TH58619B - Hydrocarbon gas processing - Google Patents

Abstract

DC60 (15/02/16) Process for the recovery of ethane, ethylene, propane, propylene and its constituents. The heavier hydrocarbons from the hydrocarbon gas stream are exposed. Such gas streams are cooled and are divided into first and second streams. The first stream was cooled. further to truly condense all such currents. and after that it was expanded to pressure. of the distillation tower to separate the products according to the boiling point, are heated and supplied to the distillation tower according to the The boiling point at the feed position is higher than the center of the column. The second current is extended to the tower pressure, and then is supplied to the column at the center feed position of the column. The distillation vapor stream is drawn from the column. above the input point of the second current and then was introduced into the relationship of heat exchange with Expanded cooled first stream and vapor stream loop on top of tower to conduct distillation vapor stream to cool and condense at least part of the aforementioned vapor stream, which creates a current that is condensation forms a condensed current at least part of The condensed current is Leads to the distillation spear separates the product according to its boiling point into its top feed. volume and temperature of It is fed to the distillation tower to separate the products according to the boiling point, effectively maintaining the upper chamber temperature. The product is distilled according to its boiling point at a certain temperature. In this way, the main part of the required component is restored. Revised 02/15/2017 Process for recovering ethane, ethylene, propane, propylene and its constituents. Heavier hydrocarbons from hydrocarbon gas streams are exposed. Such gas streams are cooled and are divided into first and second streams. The first stream was cooled. further to truly condense all such currents. and after that it was expanded to pressure. of the distillation tower to separate the products according to the boiling point, are heated and supplied to the distillation tower according to the The boiling point at the feed position is higher than the center of the column. The second current is extended to the tower pressure, and then is supplied to the column at the center feed position of the column. The distillation vapor stream is drawn from the column. above the input point of the second current and then was introduced into the relationship of heat exchange with The first cooled stream is expanded and the upper vapor stream of the tower to make the distillation vapor stream. to cool and condense at least part of the aforementioned vapor stream which will generate the correct current condensation forms a condensed current at least part of The condensed current is Leads to the distillation tower separates the product according to its boiling point as its top feed. volume and temperature of It is fed to the distillation tower to separate the products according to the boiling point, effectively maintaining the upper chamber temperature. The product is distilled according to its boiling point at a certain temperature. In this way the main part of the required component will be restored ------------------------------------ ---- Processes for the recovery of ethane, ethylene, propane, propylene and heavier hydrocarbon components from hydrocarbon gas streams are exposed. and is divided into the first stream and the second stream. The first stream is further cooled to truly condense all such currents. and then it is expanded to the boiling point distillation pressure, is heated, and is supplied to the boiling point distillation tower at the feed position higher than the middle of the column. The second current is amplified to the tower pressure. It is then supplied to the column at the middle input position of the column. The distillation vapor stream is drawn from the column above the feed point of the second stream. It is then directed to the heat exchanger with the first cooled stream to be expanded and the vapor stream. loop on top of the tower to cool the vapor stream of such distillation and condense at least part of the vapor current, thereby creating a condensed current.

Claims (9)

Claims (total) which will not appear on the classifieds page :Edit 15/02/2017 1. A form of process for the separation of gas streams containing methane, C2 components, C3 components and heavier hydrocarbon components into Relatively less volatile residual gases and volatile fractions consist mainly of the C2 component, the C3 component and the heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which in such a process (a) the aforementioned gas stream is cooled under pressure to (b) The aforementioned cooled current is expanded to a lower pressure. where the said current is further cooled, and (c) the above additional cooled current is introduced into the column. Distillation and distillation of the product according to the boiling point at a pressure lower than the aforementioned, which is the point at which components Of the relatively less volatile parts mentioned above were recovered, improvements, which after cooling The aforementioned cooled current is correct. It is divided into first and second currents and (1) the first mentioned current is cooled to condense such current. all truly and thereafter amplified to a lower pressure than the aforementioned, at which point the current The aforementioned amplified first cooled current is heated. and thereafter is supplied to the aforementioned distillation column at a higher feed position than the middle of the column (3). The aforementioned second current is expanded to a lower pressure than said. It comes and is supplied to the aforementioned distillation column at the middle column feed position below the higher pound position. In the middle of the aforementioned column (4), the upper vapor current is drawn from the top area of the column. The aforementioned distilled and heated After that, the above-mentioned heated vapor stream is released. At least one part is released as the aforementioned volatile residual gas (5). The distillation vapor stream is drawn from one region of the column. The aforementioned distillation below the feed position is higher than the middle of the aforementioned column and above the middle feed position. the aforementioned column and is introduced into the heat exchanger with the first cooled current The aforementioned expansion and the above-mentioned vapor stream, at which point the aforementioned distillation vapor stream is correct. Cool enough to condense at least part of the vapor stream. and create residual vapor current and the condensed current to supply at least part of the heating of the stages (2) and (4) (6). At least one of the aforementioned condensed currents is supplied to the aforementioned distillation column at the upper feed position; and (7) the volume and temperature of the aforementioned feed current fed to the aforementioned distillation column. The aforementioned distillation column is effective in maintaining the upper temperature of the aforementioned distillation column. come to temperature which is the point where the main part of the components in the volatile part is somewhat less The aforementioned was restored. 2.In one form of process for the separation of gas streams containing methane, component C2, C3 component and heavier hydrocarbon components into Relatively less volatile residual gases and volatile fractions consist mainly of the C2 component, the C3 component and the heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which in such a process (a) the aforementioned gas stream is cooled under pressure to (b) The aforementioned cooled current is expanded to a lower pressure. where the said current is further cooled, and (c) the above additional cooled current is introduced into the column. Distillation and distillation of the product according to the boiling point at a pressure lower than the aforementioned, which is the point at which components Of the relatively less volatile part above was recovered, an improvement in which the aforementioned gas stream was cooled enough to condense. some of the aforementioned gas streams, and (1) the aforementioned partially condensed gas streams are split so that One vapor stream and one or more liquid streams (2). After that, the aforementioned vapor currents are divided into the first and the second streams (3). The first of these streams is cooled to condense them. all truly and thereafter amplified to a lower pressure than the aforementioned, at which point the current The aforementioned amplified cooled first stream is heated. and thereafter is supplied to the aforementioned distillation column at a higher feed position than the middle of the column (5). The aforementioned second current is expanded to a lower pressure than said. It comes and is supplied to the aforementioned distillation column at the middle column feed position below the higher feed position. In the middle of the aforementioned column (6) at least one of the aforementioned liquid streams. The section is expanded to a lower pressure than the foregoing and is supplied to the aforementioned distillation column at The lower feed position of the column center below the column center feed position (7). The upper vapor current is drawn from the upper area of the column. The aforementioned distilled and heated After that, the above-mentioned heated vapor stream is released. At least one part is released as the aforementioned volatile residual gas (8). The distillation vapor stream is drawn from one region of the column. The aforementioned distillation below the feed position is higher than the middle of the aforementioned column and above the middle feed position. the aforementioned column and is introduced into the heat exchanger with the first cooled current The aforementioned expansion and the above-mentioned vapor stream, at which point the aforementioned distillation vapor stream is correct. Cool enough to condense at least part of the vapor stream. and create residual vapor current and the condensed current to supply at least one part of the heating of steps (4) and (7) (9). At least part of the aforementioned condensed current is supplied to the above-mentioned distillation column at the upper feed position; and (10) the volume and temperature of the aforementioned feed current fed to the The aforementioned distillation column is effective in maintaining the upper temperature of the aforementioned distillation column. come to temperature which is the point where the main part of the components in the volatile part is somewhat less The aforementioned has been restored 3. In one form of process for the separation of gas streams containing methane, component C2, C3 component and heavier hydrocarbon components into Relatively less volatile residual gases and volatile fractions consist mainly of the C2 component, the C3 component and the heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which in such a process (a) the aforementioned gas stream is cooled under pressure to (b) The aforementioned cooled current is expanded to a lower pressure. where the said current is further cooled, and (c) the above additional cooled current is introduced into the column. Distillation and distillation of the product according to the boiling point at a pressure lower than the aforementioned, which is the point at which components Of the relatively less volatile part above was recovered, an improvement in which the aforementioned gas stream was cooled enough to condense. some of the aforementioned gas streams, and (1) the aforementioned partially condensed gas streams are split so that one vapor stream and one or more liquid streams (2) thereafter, the above vapor currents are divided into the first and the second streams (3). The above mentioned first streams are combined with at least one liquid stream. At least one of the aforementioned currents to create a merged current. come cooled to truly condense all such currents. and after that it was expanded to The lower pressure above is where the current is further cooled (4). The aforementioned expanded cooled condensed stream is heated and thereafter supplied to the distillation column at Said to the feed position higher than the middle of column (5), the aforementioned second current was amplified to a lower pressure than said. It comes and is supplied to the aforementioned distillation column at the middle column feed position below the higher feed position. in the middle of the aforementioned column (6), any remaining of at least one liquid stream at The aforementioned distillation column is expanded to a pressure lower than the aforementioned and is supplied to the aforementioned distillation column at The lower feed position of the column center below the column center feed position (7). The upper vapor current is drawn from the upper area of the column. The aforementioned distilled and heated After that, the above-mentioned heated vapor stream is released. At least one part is released as the aforementioned volatile residual gas (8). The distillation vapor stream is drawn from one region of the column. The aforementioned distillation below the feed position is higher than the middle of the aforementioned column and above the middle feed position. the aforementioned column and is introduced into the heat exchanger with the first cooled current The aforementioned expansion and the above-mentioned vapor stream, at which point the aforementioned distillation vapor stream is correct. Cool enough to condense at least part of the vapor stream. and create residual vapor current and the condensed current to supply at least one part of the heating of steps (4) and (7) (9). At least part of the aforementioned condensed current is supplied to the above-mentioned distillation column at the upper feed position; and (10) the volume and temperature of the aforementioned feed current fed to the The aforementioned distillation column is effective in maintaining the upper temperature of the aforementioned distillation column. come to temperature which is the point where the main part of the components in the volatile part is somewhat less The aforementioned has been restored 4. In one form of process for the separation of gas streams containing methane, component C2, C3 component and heavier hydrocarbon components into Relatively less volatile residual gases and volatile fractions consist mainly of the C2 component, the C3 component and the heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which in such a process (a) the aforementioned gas stream is cooled under pressure to (b) The aforementioned cooled current is expanded to a lower pressure. where the said current is further cooled, and (c) the above additional cooled current is introduced into the column. Distillation and distillation of the product according to the boiling point at a pressure lower than the aforementioned, which is the point at which components Of the relatively less volatile parts mentioned above were recovered, improvements, which after cooling The aforementioned cooled current is correct. It is divided into first and second currents and (1) the first mentioned current is cooled to condense such current. all truly and thereafter amplified to a lower pressure than the aforementioned, at which point the current The aforementioned amplified first cooled current is heated. and thereafter is supplied at the center-column feed position to the contact and isolating device that produces the vapor current. The upper part of the first liquid stream and the lower liquid stream, after that, the lower liquid flow mentioned above. is supplied to the aforementioned distillation column (3). The aforementioned second stream is expanded to a lower pressure than the aforementioned. comes and is supplied to the aforementioned touch and split device at the lower feed position of the position column. the first under the above-mentioned column central feed position (4). The upper vapor current on the second current is drawn from the upper region. of the aforementioned distillation column and is supplied to the aforementioned contact and separation device at the feed position. The lower part of the second column below the above-mentioned central-column feed (5), the upper vapor current above the first current is heated, after which at least part of the above-mentioned first-heated vapor current is released. come out in the picture As for the aforementioned volatile residual gas (6), the distillation vapor stream is drawn from one area of the apparatus. The aforementioned touches and splits can be obtained at the middle feed position of the aforementioned column and above the lower feed position. of the aforementioned first and second columns and was brought into the exchange heated with the cooled first stream being said to expand and the vapor current above the said first stream. to the point where the vapor stream of the aforementioned distillation is cooled enough to condense the vapor stream. at least one part and generate residual vapor current and condensed current to supply the At least one part of the stages (2) and (5) (7) is heated. At least one of the aforementioned condensed currents is supplied to the the above-mentioned contact and isolation devices at the upper feed position; and (8) the quantity and temperature of the said feed current being fed to the The aforementioned touch and separation devices are effective in maintaining the upper temperature of the touch devices and Separately, the temperature which is the point where the main part of the components in the volatile part Relatively less than the aforementioned were recovered 5. In one form of process for the separation of gas streams containing methane, component C2, C3 component and heavier hydrocarbon components into Relatively less volatile residual gases and volatile fractions consist mainly of the C2 component, the C3 component and the heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which in such a process (a) the aforementioned gas stream is cooled under pressure to (b) The aforementioned cooled current is expanded to a lower pressure. at which point the aforementioned current is further cooled and (c) the aforementioned additional cooled current is introduced into the column. Distillation and distillation of the product according to the boiling point at a pressure lower than the aforementioned, which is the point at which components Of the relatively less volatile part above was recovered, an improvement in which the aforementioned gas stream was cooled enough to condense. some of the aforementioned gas streams, and (1) the aforementioned partially condensed gas streams are split so that One vapor stream and one or more liquid streams (2). After that, the aforementioned vapor currents are divided into the first and the second streams (3). The first of these streams is cooled to condense them. all truly and thereafter amplified to a lower pressure than the aforementioned, at which point the current The aforementioned amplified cooled first stream is heated. and thereafter is supplied at the center-column feed position to the contact and isolating device that produces the vapor current. The upper part of the first liquid stream and the lower liquid stream, after that, the lower liquid flow mentioned above. is supplied to the aforementioned distillation column (5). The aforementioned second flow is expanded to a lower pressure than the aforementioned. comes and is supplied to the aforementioned touch and split device at the lower feed position of the position column. the first below the above-mentioned column feeder position (6) at least one of the aforementioned liquid streams. The section is expanded to a lower pressure than the foregoing and is supplied to the aforementioned distillation column at Center-column feed position (7) The upper vapor current on the second current is drawn from the upper area. of the aforementioned distillation column and is supplied to the aforementioned contact and separation device at the feed position. The lower part of the second column below the above-mentioned central-column feed (8), the upper vapor current above the first current is heated, after which at least part of the above-mentioned first-heated vapor current is released. come out in the picture As for the aforementioned volatile residual gas (9), the distillation vapor stream is drawn from one area of the apparatus. Touch and split the aforementioned below the foregoing column middle feed position and above the lower feed position. of the aforementioned first and second columns and was brought into the exchange heated with the cooled first stream being said to expand and the vapor current above the said first stream. to the point where the vapor stream of the aforementioned distillation is cooled enough to condense the vapor stream. at least one part and generate residual vapor current and condensed current to supply the At least one part of the steps (4) and (8) (10) is heated. One or more of the aforementioned condensed currents is supplied to the the aforementioned contact and isolation devices at the upper feed position; and (11) the quantity and temperature of the foregoing feed current being fed to the The aforementioned touch and separation devices are effective in maintaining the upper temperature of the touch devices and Separately, the temperature which is the point where the main part of the components in the volatile part Relatively less than the ones mentioned above were recovered 6. In one form of process for the separation of gas streams containing methane, component C2, C3 component and heavier hydrocarbon components into Relatively less volatile residual gases and volatile fractions consist mainly of the C2 component, the C3 component and the heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which in such a process (a) the aforementioned gas stream is cooled under pressure to (b) The aforementioned cooled current is expanded to a lower pressure. where the said current is further cooled, and (c) the above additional cooled current is introduced into the column. Distillation and distillation of the product according to the boiling point at a pressure lower than the aforementioned, which is the point at which components Of the relatively less volatile part above was recovered, an improvement in which the aforementioned gas stream was cooled enough to condense. some of the aforementioned gas streams, and (1) the aforementioned partially condensed gas streams are split so that one vapor stream and one or more liquid streams (2) thereafter, the above vapor currents are divided into the first and the second streams (3). The above mentioned first streams are combined with at least one liquid stream. At least one of the aforementioned currents to create a merged current. come cooled to truly condense all such currents. and after that it was expanded to The pressure is lower than the foregoing, at which point the current is further cooled (4). The first cooled expanding current above is heated. and thereafter is supplied at the center-column feed position to the contact and isolating device that produces the vapor current. The upper part of the first liquid stream and the lower liquid stream, after that, the lower liquid flow mentioned above. is supplied to the aforementioned distillation column (5). The aforementioned second flow is expanded to a lower pressure than the aforementioned. comes and is supplied to the aforementioned touch and split device at the lower feed position of the position column. the first under the entry position in the middle of the aforementioned column (6). of at least one liquid stream at The aforementioned distillation column is expanded to a pressure lower than the aforementioned and is supplied to the aforementioned distillation column at Center-column feed position (7) The upper vapor current on the second current is drawn from the upper area. of the aforementioned distillation column and is supplied to the aforementioned contact and separation device at the feed position. The lower part of the second column below the above-mentioned central-column feed (8), the upper vapor current above the first current is heated, after which at least part of the above-mentioned first-heated vapor current is released. come out in the picture As for the aforementioned volatile residual gas (9), the distillation vapor stream is drawn from one area of the apparatus. Touch and split the aforementioned below the foregoing column middle feed position and above the lower feed position. of the aforementioned first and second columns and was brought into the exchange heated with the cooled first stream being said to expand and the vapor current above the said first stream. to the point where the vapor stream of the aforementioned distillation is cooled enough to condense the vapor stream. at least one part and generate residual vapor current and condensed current to supply the One part of the steps (4) and (8) (10) of the aforementioned condensed current is supplied to the the aforementioned contact and isolation devices at the upper feed position; and (11) the quantity and temperature of the foregoing feed current being fed to the The aforementioned touch and separation devices are effective in maintaining the upper temperature of the touch devices and Separately, the temperature which is the point where the main part of the components in the volatile part Relatively less than the aforementioned were recovered. 7. Improvements according to claim 1, where (1) the above-mentioned vapor current is combined with the aforementioned residual vapor current. come to create the condensed vapor stream and (2) the aforementioned combined vapor stream is introduced into the exchange. heated to the vapor stream of the aforementioned distillation and heated to supply the aforementioned cooling of The vapor stream of one or more of the aforementioned distillation and after that release the condensed vapor stream that was heat at least one of the aforementioned parts to come out as the aforementioned volatile residual gas. 8. Improvements according to claim 2, where (1) the above-mentioned vapor current is combined with the aforementioned residual vapor current. come to create the condensed vapor stream and (2) the aforementioned combined vapor stream is introduced into the exchange. heated to the vapor stream of the aforementioned distillation and heated to supply the aforementioned cooling of The vapor stream of one or more of the aforementioned distillation and after that release the condensed vapor stream that was heat at least one of the aforementioned parts to come out as the aforementioned volatile residual gas. 9. Improvements according to claim 3, where (1) the above-mentioned vapor current is combined with the aforementioned residual vapor current. come to create the condensed vapor stream and (2) the aforementioned combined vapor stream is introduced into the exchange. heated to the vapor stream of the aforementioned distillation and heated to supply the aforementioned cooling of The vapor stream of one or more of the aforementioned distillation and after that release the condensed vapor stream that was At least one of the aforementioned heating elements is released in the form of the aforementioned volatile residual gas. 1 0 The improvement in accordance with Claim 4, where (1) the above-mentioned upper vapor current is combined with vapor stream The aforementioned residuals to form the condensed vapor current and (2) the aforementioned combined vapor stream is introduced into the exchange. heated to the vapor stream of the aforementioned distillation and heated to supply the aforementioned cooling of The vapor stream of one or more of the aforementioned distillation and after that release the condensed vapor stream that was heats at least one of the aforementioned parts to form the aforementioned volatile residual gas 1 1. Improvements according to claim No. 5, where (1) the above-mentioned vapor current is combined with the vapor current. The aforementioned residuals to form the condensed vapor current and (2) the aforementioned included vapor stream is introduced into the exchange. heated to the vapor stream of the aforementioned distillation and heated to supply the aforementioned cooling of The vapor stream of one or more of the aforementioned distillation and after that release the condensed vapor stream that was heats at least one of the aforementioned parts to form the aforementioned volatile residual gas 1 2. Improvements according to claim No. 6, where (1) the above-mentioned vapor current is combined with the vapor current. The aforementioned residuals to form the condensed vapor current and (2) the aforementioned included vapor stream is introduced into the exchange. heated to the vapor stream of the aforementioned distillation and heated to supply the aforementioned cooling of The vapor stream of one or more of the aforementioned distillation and after that release the condensed vapor stream that was heats at least one of the aforementioned parts to form the aforementioned volatile residual gas 1 3. The improvement in accordance with claims 1, 2, 3, 7, 8 or 9 in which the steam of The aforementioned distillation is extracted from one area of the aforementioned distillation column below the central feed position. Column 1 4. Improvements to claims 1, 2, 3, 7, 8 or 9 where (1) the primary distillation vapor current is drawn from the said area. The origin of the aforementioned distillation column below the feed position is higher than the middle of the aforementioned column and above the position. Entered in the middle of the aforementioned column (2), the second distillation vapor stream is drawn from one region. of the aforementioned distillation column below the aforementioned central column feed position, and (3) the vapor stream of the aforementioned primary distillation stream is combined with the aforementioned distillation current. vapor of the aforementioned second distillation stream to create a vapor stream of the aforementioned distillation 1 5. Modifications according to Claims 4, 5, 6, 10, 11 or 12, where the above-mentioned second vapor current is divided into the above-mentioned distillation vapor current and the above-mentioned distillation vapor current. Secondary current distillation After that, the vapor stream of the aforementioned second distillation stream is supplied to The aforementioned touch-and-separation device at the lower entry position of the aforementioned second column position 1. 6. Improvements to claims 4, 5, 6, 10, 11 or 12 in which (1) the primary distillation vapor current is drawn from the said area. Derivation of the aforementioned touch and split devices below the aforementioned column center feed position and above the position. Enter the lower part of the aforementioned first and second position columns (2). The upper vapor currents above the second aforementioned currents are divided into Second distillation vapor stream and third distillation vapor stream. After that, the aforementioned second distillation vapor current is supplied to the aforementioned contact and separation devices at the position. Enter the lower part of the second column mentioned above (3). The vapor current of the above-mentioned first distillation current is combined with the current. vapor of the aforementioned third distillation stream to create a vapor stream of the aforementioned distillation 1. 7. Improvements to claims 1, 2, 3, 7, 8 or 9 where (1) the foregoing condensed current is divided into first and At least the second part (2) The first part is supplied to the aforementioned distillation column at The above-mentioned feed position and (3) the aforementioned second part are supplied to the aforementioned distillation column at The middle column feed position, the second position below the column middle feed position 1. 8. An improvement in accordance with Claim 13, where (1) the foregoing condensed current is divided into the first and At least the second part (2) The first part is supplied to the aforementioned distillation column at The above-mentioned feed position and (3) the aforementioned second part are supplied to the aforementioned distillation column at The middle column feed position, the second position below the column middle feed position 1. 9. An improvement in accordance with Claim 14, where (1) the foregoing condensed current is divided into the first and At least the second part (2) The first part is supplied to the aforementioned distillation column at The above-mentioned feed position and (3) the aforementioned second part are supplied to the aforementioned distillation column at The second column middle feed position is below the column center feed position 2. 0. Improvements to Claims 4, 5, 6, 10, 11 or 12, where (1) the foregoing condensed current is divided into first and At least the second part (2) The first part of the above is supplied to the aforementioned touch and split device. at the above-mentioned feed position and (3) the aforementioned second part is supplied to the aforementioned distillation column at Top feed position 2 1. An improvement in accordance with Claim 15, where (1) the foregoing condensed current is divided into the first and At least the second part (2) The first part of the above is supplied to the aforementioned touch and split device. at the above-mentioned feed position and (3) the aforementioned second part is supplied to the aforementioned distillation column at Top feed position 2 2. An improvement in accordance with Claim 16, where (1) the foregoing condensed current is divided into the first and At least the second part (2) The first part of the above is supplied to the aforementioned touch and split device. at the above-mentioned feed position and (3) the aforementioned second part is supplied to the aforementioned distillation column at Top feed position 2 3. In a device for the separation of gas streams containing methane, component C2, C3 component and heavier hydrocarbon components into gaseous parts. Relatively less volatile residues and volatile fractions contain a major fraction of the C2 component, the C3 component and the heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which the aforementioned devices have (a) the first cooling path to cool the aforementioned gas stream; Under pressure is connected to allow the cooled current under pressure (b) The first expansion path is connected to receive the cooled current. under at least part of the aforementioned pressure and make that current expand to low pressure. than at which point the aforementioned current is further cooled; and (c) the distillation column is connected to obtain the cooled current. more of the above In which the above-mentioned distillation column is adjusted to further separate the above-mentioned cooled stream. The improvement of the above equipment consists of (1) a dividing path connected to the first cooling path to obtain The aforementioned cooled currents and divides them into the first and second currents (2) the second cooled path connected to the aforementioned dividing path. to receive the said first current and to cool it sufficiently to condense the current indeed (3) a second expansion path connected to the cooling path at Two of the aforementioned to get the aforementioned truly condensed first stream and make such a stream. expansion to a pressure lower than the foregoing (4) the heat exchange path connected to the expansion path The above two are to obtain the aforementioned amplified cooled first current and to heat the aforementioned current, for which the aforementioned heat exchange path is additionally connected to the aforementioned distillation column for The aforementioned heated expansion first current is supplied to the aforementioned distillation column at the position. Enter higher than the middle of column (5). The first expansion path mentioned is connected to the break path. said to take the above mentioned second current and to make it expand to a lower pressure than the above. The first expansion path is further connected to the aforementioned distillation column for The aforementioned amplified second current is supplied to the aforementioned distillation column at the central feed position. The column under the feed position is higher than the middle of the column mentioned above (6). The aforementioned distillation column to obtain the aforementioned upper vapor stream that is separated within the distillation column. at least part of the aforementioned and heated the aforementioned vapor stream After that release the upper vapor stream at At least part of the aforementioned heat is released as the aforementioned volatile residual gas (7). The vapor extraction path is connected to the aforementioned distillation column to obtain The vapor stream of distillation from one region of the aforementioned distillation column below the feed position above the middle. the above column and above the above-mentioned column feed position (8). The aforementioned heat exchange paths are additionally connected to The aforementioned vapor extraction method accepts the aforementioned distillation vapor stream and cools the vapor stream. It is sufficient to condense at least a portion of such vapor current to supply at least one heating. Sections of steps (4) and (6) (9) the junction paths connected to the heat exchange paths mentioned. come to obtain the aforementioned partially condensed distillation vapor stream and isolate such vapor stream to Generate residual vapor current and condensed current. which the aforementioned junction is further connected with The aforementioned distillation column to supply one or more of the aforementioned condensed current to the column. the above-mentioned distillation at the top feed position; and (10) a control path adjusted to control the volume and temperature of the The aforementioned feed current is fed to the aforementioned distillation column to maintain the upper temperature of the The aforementioned distillation column is kept at a temperature This is where the main part of the components in the relatively less volatile part above is recovered. 4. In a device for the separation of gas streams containing methane, component C2, C3 component and heavier hydrocarbon components into gaseous parts. Relatively less volatile residues and volatile fractions contain a major fraction of the C2 component, the C3 component and the heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which the aforementioned devices have (a) the first cooling path to cool the aforementioned gas stream; Under pressure is connected to allow the cooled current under pressure (b) The first expansion path is connected to receive the cooled current. under at least part of the aforementioned pressure and make that current expand to low pressure. than at which point the aforementioned current is further cooled; and (c) the distillation column is connected to obtain the cooled current. more of the above In which the above-mentioned distillation column is adjusted to further separate the above-mentioned cooled stream. come out as the upper vapor stream and the volatile part is somewhat less than the aforementioned improvements, which the above equipment consists of: It is said to be cooled under sufficient pressure to partially condense the gas stream (2) the first junction connected to the first cooling path. said to receive some of the aforementioned condensed gas streams and split such gas streams into One vapor current and one or more liquid currents (3) shunt paths connected to the first aforementioned junctions to obtain The aforementioned vapor currents and divides them into the first and the second streams (4) a second cooling path connected to the aforementioned dividing path. to receive the said first current and to cool it sufficiently to condense the current indeed (5) a second expansion path connected to the cooling path at Two of the aforementioned to get the aforementioned truly condensed first stream and make such a stream. expansion to a pressure lower than the above (6) the heat exchange path connected to the expansion path The above two are to obtain the aforementioned amplified cooled first current and to heat the aforementioned current, for which the aforementioned heat exchange path is additionally connected to the aforementioned distillation column for The aforementioned heated expansion first current is supplied to the aforementioned distillation column at the position. Enter higher than the middle of column (7), the first expansion path mentioned is connected to the dividing path. said to take the above mentioned second current and to make it expand to a lower pressure than the above. The first expansion path is further connected to the aforementioned distillation column for The aforementioned amplified second current is supplied to the aforementioned distillation column at the central feed position. The column below the feed position is higher than the middle of the column mentioned (8). The third expansion path is connected to the first junction. Said to take at least one of the aforementioned liquid streams and make the flow. The liquid expands to a pressure lower than the above. which the third way of expanding the aforementioned It is additionally connected to the aforementioned distillation column to supply the aforementioned expanded liquid stream. to the aforementioned distillation column at the lower feed position in the middle of the column below the aforementioned central column feed position (9). The aforementioned distillation column to obtain the aforementioned upper vapor stream that is separated within the distillation column. at least part of the aforementioned and heated the aforementioned vapor stream After that release the upper vapor stream at At least part of the aforementioned heat is released as the aforementioned volatile residual gas (10). The vapor stream of distillation from one region of the aforementioned distillation column below the feed position above the middle. above column and above the above-mentioned column feed position (11). The above-mentioned heat exchange path is additionally connected to The aforementioned vapor extraction method accepts the aforementioned distillation vapor stream and cools the vapor stream. It is sufficient to condense at least a portion of such vapor current to supply at least one heating. Sections of steps (6) and (9) (12) of the second junction path connected to the exchange pathway to obtain the aforementioned partially condensed distillation vapor stream and extract the vapor stream. to create a residual vapor current and a condensed current. which the second way of separating the aforementioned is correct additionally connected to the aforementioned distillation column to supply at least the aforementioned condensed current. one to the aforementioned distillation column at the top feed position, and (13) a control path adjusted to control the volume and temperature of the The aforementioned feed current is fed to the aforementioned distillation column to maintain the upper temperature of the The aforementioned distillation column is kept at a temperature This is where the main part of the components in the relatively less volatile part above is recovered. 5. In a device for the separation of gas streams containing methane, component C2, C3 component and heavier hydrocarbon components into gaseous parts. Relatively less volatile residues and volatile fractions contain a major fraction of the C2 component, the C3 component and the heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which the aforementioned devices have (a) the first cooling path to cool the aforementioned gas stream; Under pressure is connected to allow the cooled current under pressure (b) The first expansion path is connected to receive the cooled current. under at least part of the aforementioned pressure and make that current expand to low pressure. than at which point the aforementioned current is further cooled; and (c) the distillation column is connected to obtain the cooled current. more of the above In which the above-mentioned distillation column is adjusted to further separate the above-mentioned cooled stream. come out as the upper vapor stream and the volatile part is somewhat less than the aforementioned improvements, which the above equipment consists of: It is said to be cooled under sufficient pressure to partially condense the gas stream (2) the first junction connected to the first cooling path. said to receive the aforementioned partially condensed gas streams and split such gas streams into One vapor current and one or more liquid currents (3) shunt paths connected to the first aforementioned junctions to obtain The aforementioned vapor currents and divides such vapor currents into the first and the second streams (4) combined paths connected to the foregoing dividing paths and junction paths. The first piece mentioned to get the first of the aforementioned streams and at least one of the aforementioned liquid streams. at least part and create a merged current (5) a second cooling path connected to the aforementioned integrated path. to obtain the aforementioned summed current and to cool it sufficiently to condense the current. Indeed, (6) the second expansion path connected to the cooling path Two of the aforementioned to obtain the aforementioned truly condensed condensed currents and make such currents. expansion to a pressure lower than the aforementioned (7) heat exchange path connected to the part expansion path Two of the above to obtain the aforementioned amplified cooled condensed current and heat such current to which the aforementioned heat exchange path is additionally connected to the aforementioned distillation column. to supply the aforementioned heated amplified aggregated current to the aforementioned distillation column at The feed position is higher than the middle of the column (8). The first expansion path mentioned above is connected to the dividing path. said to take the above mentioned second current and to make it expand to a lower pressure than the above. The first expansion path is further connected to the aforementioned distillation column for The aforementioned amplified second current is supplied to the aforementioned distillation column at the central feed position. The column under the feed position is higher than the middle of the column mentioned (9). The third expansion path is connected to the first junction. said to receive any remaining of at least one of the aforementioned liquid streams part and make the flow of such liquid expand to a pressure lower than the above. which way to expand The third piece mentioned above is additionally connected to the aforementioned distillation column to supply the correct liquid stream. Extend the aforementioned distillation column to the aforementioned distillation column at the lower feed position in the middle of the column below the position. Enter the middle of the aforementioned column (10). The aforementioned heat exchange path is additionally connected to The aforementioned distillation column to obtain the aforementioned upper vapor stream that is separated within the distillation column. at least part of the aforementioned and heated the aforementioned vapor stream After that release the upper vapor stream at At least part of the aforementioned heat is released as the aforementioned volatile residual gas (11). The vapor extraction path is connected to the aforementioned distillation column for obtaining. The vapor stream of distillation from one region of the aforementioned distillation column below the feed position above the middle. above column and above the above-mentioned column central feed position (12). The aforementioned vapor extraction method accepts the aforementioned distillation vapor stream and cools the vapor stream. It is sufficient to condense at least a portion of such vapor current to supply at least one heating. Sections of steps (7) and (10) (13) a second junction connected to the exchange pathway. to obtain the aforementioned partially condensed distillation vapor stream and extract the vapor stream. to create a residual vapor current and a condensed current. which the second way of separating the aforementioned is correct additionally connected to the aforementioned distillation column to supply at least the aforementioned condensed current. one to the aforementioned distillation column at the top feed position, and (14) a control path adjusted to control the volume and temperature of the The aforementioned feed current is fed to the aforementioned distillation column to maintain the upper temperature of the The aforementioned distillation column is kept at a temperature This is where the main part of the components in the relatively less volatile part above is recovered. 6. In a device for the separation of gas streams containing methane, component C2, C3 and heavier hydrocarbon components into gaseous parts. Relatively less volatile residues and volatile fractions contain a major fraction of the C2 component, the C3 component and the heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which the aforementioned devices have (a) a method for causing the first floor to cool the aforementioned gas stream; Under pressure is connected to allow the cooled current under pressure (b) The first expansion path is connected to receive the cooled current. under at least part of the aforementioned pressure and make that current expand to low pressure. than at which point the aforementioned current is further cooled; and (c) the distillation column is connected to obtain the cooled current. more of the above In which the above-mentioned distillation column is adjusted to further separate the above-mentioned cooled stream. from the above-mentioned evaporative streams, the improvements in which the aforementioned devices consist of (1) a dividing path connected to the first cooling path to obtain The aforementioned cooled currents and divides them into the first and second currents (2) the second cooled path connected to the aforementioned dividing path. to receive the said first current and to cool it sufficiently to condense the current indeed (3) a second expansion path connected to the cooling path at Two of the aforementioned to get the aforementioned truly condensed first stream and make such a stream. expansion to a pressure lower than the foregoing (4) the heat exchange path connected to the expansion path The above two are to obtain the aforementioned amplified cooled first current and to heat such currents, for which the said heat exchange paths are additionally connected to the tangent and isolated paths to supply them. The aforementioned heated amplified first current goes to the aforementioned tangent and junction paths at the aforementioned position. fed in the middle of the column where the aforementioned tangential and separation paths are adjusted to produce a vapor current on the current at second and the lower fluid stream (5). The first expansion path mentioned above is connected to the dividing path at It is said to take the above mentioned second current and thus amplify it to a lower pressure than the above, whereby the above mentioned first amplification path is additionally connected to the aforementioned tangent and split paths. to supply the aforementioned amplified second current to the aforementioned tangent and junction paths at the feeder position. The lower part of the first column below the above-mentioned intermediate feed column (6) the aforementioned distillation column connected to the tangential and separation paths. The aforementioned to obtain at least one of the aforementioned lower fluid flows (7) the aforementioned tangential and isolated paths that are additionally connected to the column. The aforementioned distillation to obtain at least one of the above-mentioned vapor currents at the Enter the lower part of the second column below the aforementioned column intermediate feed (8). The aforementioned heat exchange path is additionally connected to The aforementioned tangent and split paths to obtain a vapor current on the aforementioned secondary current that is internally isolated. At least one part of the aforementioned contact and separation path and heats the vapor current, thereafter, at least one part of the above-mentioned second-heated vapor current is released in the figure. As for the aforementioned volatile residual gases (9), the vapor extraction paths are connected to the aforementioned contact and separation paths for The distillation vapor stream is obtained from one region of the aforementioned contact and separation paths below the feed position. Middle of the aforementioned columns and above the position, enter the lower part of the first position column and where. The above two (10) heat exchange routes are further connected to The aforementioned vapor extraction method accepts the aforementioned distillation vapor stream and cools the vapor stream. It is sufficient to condense at least a portion of such vapor current to supply at least one heating. Sections of steps (4) and (8) (11) junction paths are connected to the said heat exchange pathways. come to receive the aforementioned partially condensed distillation vapor stream and isolate such vapor stream to Generate residual vapor current and condensed current. which the aforementioned junction is further connected with The aforementioned tangential and split paths to supply one or more of the aforementioned condensed currents to The aforementioned tangential and split paths at the top feed position, and (12) control paths adapted to control the amount and temperature of the The aforementioned feed current is fed to the aforementioned contact and isolation paths to maintain the upper temperature. of the aforementioned contact and separation paths at temperature This is where the main parts of the components in the relatively less volatile parts mentioned above are recovered. 7. In a device for the separation of gas streams containing methane, component C2, C3 and heavier hydrocarbon components into gaseous parts. Relatively less volatile residues and volatile fractions contain a major fraction of the C2 component, the C3 component and the heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which the aforementioned devices have (a) the first cooling path to cool the aforementioned gas stream; Under pressure is connected to allow the cooled current under pressure (b) The first expansion path is connected to receive the cooled current. under at least part of the aforementioned pressure and make that current expand to low pressure. than at which point the aforementioned current is further cooled; and (c) the distillation column is connected to obtain the cooled current. more of the above In which the above-mentioned distillation column is adjusted to further separate the above-mentioned cooled stream. come out as the upper vapor stream and the volatile part is somewhat less than the above. Improvements to which the above equipment consists of (1) the first cooling path that has been adjusted to make the gas flow at It is said to be cooled under sufficient pressure to partially condense the gas stream (2) the first junction connected to the first cooling path. said to receive the aforementioned partially condensed gas streams and split such gas streams into One vapor current and one or more liquid currents (3) shunt paths connected to the first aforementioned junctions to obtain The aforementioned vapor currents and divides them into the first and the second streams (4) a second cooling path connected to the aforementioned dividing path. to receive the said first current and to cool it sufficiently to condense the current indeed (5) a second expansion path connected to the cooling path at Two of the aforementioned to get the aforementioned truly condensed first stream and make such a stream. expansion to a pressure lower than the above (6) the heat exchange path connected to the expansion path The two mentioned above are to obtain the aforementioned amplified cooled first current and to heat such currents to which the mentioned heat exchange paths are additionally connected to the said tangent and split paths. come to supply the aforementioned heated amplified first current to the aforementioned tangent and junction paths at The feed position is higher than the middle of the column. in which the aforementioned tangential and separating paths are adapted to produce vapor currents. The upper part on the second stream and the lower liquid stream (7) the first expansion path mentioned above is connected to the dividing path at It is said to take the above mentioned second current and thus amplify it to a lower pressure than the above, whereby the above mentioned first amplification path is additionally connected to the aforementioned tangent and split paths. to supply the aforementioned amplified second current to the aforementioned tangent and junction paths at the feeder position. The lower part of the first column below the above-mentioned column intermediate feed (8), the third expansion path connected to the first junction. Said to take at least one of the aforementioned liquid streams and make the flow. The liquid expands to a pressure lower than the above. which the third way of expanding the aforementioned It is additionally connected to the aforementioned distillation column to supply the aforementioned expanded liquid stream. to the aforementioned distillation column at the middle column feed position (9). The aforementioned distillation column is connected to the tangent and separation paths. to obtain at least one of the aforementioned lower fluid streams (10) the aforementioned tangent and junction paths that are additionally connected to the column. The aforementioned distillation to obtain at least one of the above-mentioned vapor currents at the Enter the lower part of the second column below the aforementioned column intermediate feed (11). The aforementioned heat exchange path is additionally connected to the The aforementioned tangent and split paths to obtain a vapor current on the aforementioned secondary current that is internally isolated. At least one part of the aforementioned contact and separation path and heats the vapor current, thereafter, at least one part of the above-mentioned second-heated vapor current is released in the figure. As for the aforementioned volatile residual gases (12), the vapor extraction paths are connected to the aforementioned contact and separation paths for The distillation vapor stream is obtained from one region of the aforementioned contact and separation paths below the feed position. Middle of the aforementioned columns and above the position, enter the lower part of the first position column and where. The two mentioned (13) heat exchange routes are further connected to The aforementioned vapor extraction method accepts the aforementioned distillation vapor stream and cools the vapor stream. It is sufficient to condense at least a portion of such vapor current to supply at least one heating. Sections (6) and (11) (14) of the second junction path connected to the exchange pathway to obtain the aforementioned partially condensed distillation vapor stream and extract the vapor stream. to create a residual vapor current and a condensed current. which the second way of separating the aforementioned is correct Connect additionally to the aforementioned contact and isolation paths to supply the aforementioned condensed current. at least one part to the aforementioned contact and separation paths at the top feed position; and (15) the control paths adjusted to control the amount and temperature of the The aforementioned feed current is fed to the aforementioned contact and isolation paths to maintain the upper temperature. of the aforementioned contact and separation paths at temperature This is where the main parts of the components in the relatively less volatile parts mentioned above are recovered. 8. In a device for the separation of gas streams containing methane, component C2, C3 and heavier hydrocarbon components into gaseous parts. Relatively less volatile residues and volatile fractions contain a major fraction of the C2 component, the C3 component and the heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which the aforementioned devices have (a) the first cooling path to cool the aforementioned gas stream; Under pressure is connected to allow the cooled current under pressure (b) The first expansion path is connected to receive the cooled current. under at least part of the aforementioned pressure and make that current expand to low pressure. than at which point the aforementioned current is further cooled; and (c) the distillation column is connected to obtain the cooled current. more of the above In which the above-mentioned distillation column is adjusted to further separate the above-mentioned cooled stream. come out as the upper vapor stream and the volatile part is somewhat less than the aforementioned improvements, which the above equipment consists of: It is said to be cooled under sufficient pressure to partially condense the gas stream (2) the first junction connected to the first cooling path. said to receive the aforementioned partially condensed gas streams and split such gas streams into One vapor current and one or more liquid currents (3) shunt paths connected to the first aforementioned junctions to obtain The aforementioned vapor currents and divides such vapor currents into the first and the second streams (4) combined paths connected to the foregoing dividing paths and junction paths. The first piece mentioned to get the first of the aforementioned streams and at least one of the aforementioned liquid streams. at least part and create a merged stream (5) a second cooling path connected to the aforementioned integrated path. to obtain the aforementioned summed current and to cool it sufficiently to condense the current. Indeed, (6) the second expansion path connected to the cooling path Two of the aforementioned to obtain the aforementioned truly condensed condensed currents and make such currents. expansion to a pressure lower than the aforementioned (7) heat exchange path connected to the part expansion path The above two are to obtain the aforementioned amplified cooled condensed current and to heat such current, the said heat exchange path is additionally connected to the tangent path and is isolated for Supply the aforementioned heated amplified aggregated current to the aforementioned contact and junction paths at Feed position in the middle of the column in which the aforementioned sensing and separation paths are adjusted to produce an upper vapor current. Secondary current and lower fluid flow (8) The first expansion path mentioned above is connected to the dividing path at It is said to take the above mentioned second current and thus amplify it to a lower pressure than the above, whereby the above mentioned first amplification path is additionally connected to the aforementioned tangent and split paths. to supply the aforementioned amplified second current to the aforementioned tangent and junction paths at the feeder position. The lower part of the first column below the above-mentioned column intermediate feed (9) the third expansion path connected to the first junction. said to receive any remaining of at least one of the aforementioned liquid streams and make the current The liquid expands to a pressure lower than the above. which the third way of expanding the aforementioned It is additionally connected to the aforementioned distillation column to supply the aforementioned expanded liquid stream. to the aforementioned distillation column at the middle column feed position (10). The aforementioned distillation column is connected to the tangential and separation paths. The aforementioned to obtain at least one of the aforementioned lower fluid streams (11) aforementioned tangential and separation paths that are additionally connected to the column. The aforementioned distillation to obtain at least one of the above-mentioned vapor currents at the Enter the lower part of the second column below the aforementioned column intermediate feed position (12). The aforementioned heat exchange path is additionally connected to the The aforementioned tangent and split paths to obtain a vapor current on the aforementioned secondary current that is internally isolated. At least one part of the aforementioned contact and separation path and heats the vapor current, thereafter, at least one part of the above-mentioned second-heated vapor current is released in the figure. As for the aforementioned volatile residual gases (13), the vapor extraction paths are connected to the aforementioned contact and separation paths for The distillation vapor stream is obtained from one region of the aforementioned contact and separation paths below the feed position. Middle of the aforementioned columns and above the position, enter the lower part of the first position column and where. The above two (14) the aforementioned heat exchange paths are additionally connected to The aforementioned vapor extraction method accepts the aforementioned distillation vapor stream and cools the vapor stream. It is sufficient to condense at least a portion of such vapor current to supply at least one heating. Sections of steps (7) and (12) (15) are the second junctions connected to the exchange pathways. to obtain the aforementioned partially condensed distillation vapor stream and extract the vapor stream. to create a residual vapor current and a condensed current. which the second way of separating the aforementioned is correct Connect additionally to the aforementioned contact and isolation paths to supply the aforementioned condensed current. at least one part to the aforementioned contact and separation paths at the top feed position; and (16) control paths that are adapted to control the amount and temperature of the The aforementioned feed current is fed to the aforementioned contact and isolation paths to maintain the upper temperature. of the aforementioned contact and separation paths at temperature This is where the main parts of the components in the relatively less volatile parts mentioned above are recovered. 9. Improvements to claim 23 in which (1) the combined path is connected to the aforementioned distillation column and the path Separate the aforementioned to obtain the above-mentioned upper vapor current and the aforementioned residual vapor current. and generates a condensed vapor current, and (2) the aforementioned heat exchange path is adapted to accept a vapor current at are incorporated above from the aforementioned aggregate methods and bring such vapor currents into the exchange of heat with the vapor streams of the aforementioned distillation to heat the aforementioned combined vapor streams and supply Let the aforementioned cool of the vapor stream of at least part of the aforementioned distillation. and after that release At least one of the aforementioned heated condensed vapor streams comes out as a residual gas at Volatile as mentioned above 3 0. Improvements to claim 24, where (1) the combined path is connected to the aforementioned distillation column and the path Separate the aforementioned second piece to obtain the aforementioned upper vapor current and the aforementioned residual vapor current and create an integrated vapor current, and (2) the aforementioned heat exchange path is adapted to accept a vapor current at are incorporated above from the aforementioned aggregate methods and bring such vapor currents into the exchange of heat with the vapor streams of the aforementioned distillation to heat the aforementioned combined vapor streams and supply Let the aforementioned cool of the vapor stream of at least part of the aforementioned distillation. and after that release At least one of the aforementioned heated condensed vapor streams comes out as a residual gas at Volatile as mentioned above 3 1. Improvements to claim 25, where (1) the second aggregate path is connected to the aforementioned distillation column. and the aforementioned second junction path to obtain the aforementioned upper vapor current and the aforementioned residual vapor current and create a combined vapor current; and (2) the aforementioned heat exchange path is adapted to the current. cough at are included above from the second aforementioned integration method and bring that vapor current into the Exchange heat with the vapor streams of the aforementioned distillation to make the vapor streams included above. heats and supplies the aforementioned cooling of at least one of the aforementioned distillation vapor streams and thereafter releases at least one of the aforementioned heated combined vapor streams in the form. The aforementioned volatile residual gases 3 2. Improvements in accordance with Claim 26, where (1) the combined paths are connected to the foregoing tactile and separate pathways; and The aforementioned junction path accepts the aforementioned secondary vapor current and the aforementioned residual vapor current and generates the merged vapor current, and (2) the aforementioned heat exchange path is adapted to accept the vapor current. at are included as mentioned from the aforementioned aggregate method and should be included in the exchange of heat with the vapor streams of the aforementioned distillation to heat the aforementioned combined vapor streams and supply Let the aforementioned cool of the vapor stream of at least part of the aforementioned distillation. and after that release At least one of the aforementioned heated condensed vapor streams comes out as a residual gas at Volatile as mentioned above 3 3. Improvements in accordance with Claim 27, where (1) the combined path is connected to the foregoing tactile and separate pathways; and The aforementioned second junction path to obtain an upper vapor current on the aforementioned second current and a vapor current. the aforementioned residue and generating the condensed vapor current; and (2) the aforementioned heat exchange path is adapted to accept the vapor current are included as mentioned from the aforementioned aggregate method and should be included in the exchange of heat with the vapor streams of the aforementioned distillation to heat the aforementioned combined vapor streams and supply Let the aforementioned cool of the vapor stream of at least part of the aforementioned distillation. and after that release At least one of the aforementioned heated condensed vapor streams comes out as a residual gas at Volatile as mentioned above 3 4. An improvement in accordance with Claim 28, where (1) the second aggregate path is connected to the aforementioned tangential and separate pathways. come and the aforementioned second junction path to obtain the vapor current on the aforementioned second current and current The aforementioned residual vapor and generating the condensed vapor current; and (2) the aforementioned heat exchange path is adapted to accept the vapor current are included as mentioned from the aforementioned second integration method and should be incorporated into the Exchange heat with the vapor streams of the aforementioned distillation to make the vapor streams included above. heats and supplies the aforementioned cooling of one or more of the aforementioned distillation vapor streams and thereafter releases at least one of the aforementioned heated combined vapor streams in the form. The aforementioned volatile residual gases 3 5. Improvements according to claim 23 or 29, which the aforementioned steam extraction method is adjusted to be connected to the aforementioned distillation column to obtain the aforementioned distillation vapor stream from One area of the aforementioned distillation column below the middle feed position of the aforementioned column 3. 6. Improvements according to claim 24, 25, 30 or 31, which the vapor extraction method The above is adjusted to be connected to the above distillation column to obtain the vapor stream of the above distillation. From one area of the aforementioned distillation column below the column middle feed position 3. 7. An improvement in accordance with Claim 23, where (1) the aforementioned vapor extraction pathway is adjusted to connect to the distillation column at said to obtain the first distillation vapor stream from the aforementioned area of the aforementioned distillation column. Coming below the above-mentioned column feed position and above the above-mentioned column mid-feed (2), the second vapor trajectory is connected to the aforementioned distillation column. to obtain a secondary distillation vapor stream from one region of the aforementioned distillation column under The above-mentioned column mid-feed position (3) combined pathway is connected to the aforementioned vapor traction pathway and the vapor traction pathway. The second piece mentioned above is to obtain the vapor stream of the above-mentioned first distillation and the vapor stream of the distillation. The second stream mentioned and generates the aforementioned distillation vapor stream; and (4) the aforementioned heat exchange path is adapted to connect to The aforementioned combined path to obtain the vapor stream of the aforementioned distillation 3. 8. An improvement in accordance with Claim 24, where (1) the aforementioned vapor pathways were adjusted to connect to the distillation column at said to obtain the first distillation vapor stream from the aforementioned area of the aforementioned distillation column. Coming below the above-mentioned column feed position and above the above-mentioned column mid-feed (2), the second vapor trajectory is connected to the aforementioned distillation column. to obtain a secondary distillation vapor stream from one region of the aforementioned distillation column under The above-mentioned column mid-feed position (3) combined pathway is connected to the aforementioned vapor traction pathway and the vapor traction pathway. The second piece mentioned above is to obtain the vapor stream of the above-mentioned first distillation and the vapor stream of the distillation. The second stream mentioned and generates the aforementioned distillation vapor stream; and (4) the aforementioned heat exchange path is adapted to connect to The aforementioned combined path to obtain the vapor stream of the aforementioned distillation 3. 9. An improvement in accordance with claims 25 or 30 in which (1) the aforementioned vapor path is adjusted to connect to the distillation column at said to obtain the first distillation vapor stream from the aforementioned area of the aforementioned distillation column. Coming below the above-mentioned column feed position and above the above-mentioned column mid-feed (2), the second vapor trajectory is connected to the aforementioned distillation column. to obtain a secondary distillation vapor stream from one region of the aforementioned distillation column under The above-mentioned column mid-feed position (3) The second aggregate pathway is connected to the aforementioned vapor trajectory and The aforementioned second extraction path accepts the aforementioned first distillation vapor current and the vapor current. of the aforementioned second stream distillation and generates the aforementioned distillation vapor stream; and (4) the aforementioned heat exchange path is adapted to connect to The second combination method mentioned above is to obtain the vapor stream of the aforementioned distillation 4. 0. Improvements in accordance with Claim 29, where (1) the aforementioned vapor pathways are adjusted to connect to the distillation column at said to obtain the first distillation vapor stream from the aforementioned area of the aforementioned distillation column. Coming below the above-mentioned column feed position and above the above-mentioned column mid-feed (2), the second vapor trajectory is connected to the aforementioned distillation column. to obtain a secondary distillation vapor stream from one region of the aforementioned distillation column under The above-mentioned column mid-feed position (3) The second aggregate pathway is connected to the aforementioned vapor trajectory and The aforementioned second extraction path accepts the aforementioned first distillation vapor current and the vapor current. of the aforementioned second stream distillation and generates the aforementioned distillation vapor stream; and (4) the aforementioned heat exchange path is adapted to connect to The second combination method mentioned above is to obtain the vapor stream of the aforementioned distillation 4. 1. Improvements in accordance with Claim 31, where (1) the aforementioned vapor extraction pathway is adjusted to connect to the distillation column at said to obtain the first distillation vapor stream from the aforementioned area of the aforementioned distillation column. Coming below the above-mentioned column feed position and above the above-mentioned column mid-feed (2), the second vapor trajectory is connected to the aforementioned distillation column. to obtain a secondary distillation vapor stream from one region of the aforementioned distillation column under The above-mentioned column mid-feed position (3) The third integrated pathway is connected to the aforementioned vapor retrieval pathway and The aforementioned second extraction path accepts the aforementioned first distillation vapor current and the vapor current. of the aforementioned second stream distillation and generates the aforementioned distillation vapor stream; and (4) the aforementioned heat exchange path is adapted to connect to The third combination method mentioned above is to obtain the vapor stream of the aforementioned distillation 4. 2. An improvement in accordance with Claims 26 or 32, where (1) the second distillation path is connected to the aforementioned distillation column. to obtain the vapor current above the first aforementioned current and divide that vapor current into the vapor current of The aforementioned distillation and the vapor stream of the second distillation stream (2) the aforementioned tangential and separation paths are adjusted to be connected to the path. Divide the aforementioned second piece to obtain the aforementioned second distillation vapor stream at the feed position. The lower part of the second column mentioned above, and (3) the aforementioned heat exchange paths are adapted to connect to The aforementioned second distillation path to obtain the vaporization of the aforementioned distillation 4. 3. Improvements to Claims 27, 28, 33 or 34 in which (1) the second divider path is connected to the aforementioned distillation column. to obtain the vapor current above the first aforementioned current and divide that vapor current into the vapor current of The aforementioned distillation and the vapor stream of the second distillation stream (2) the aforementioned tangential and separation paths are adjusted to be connected to the path. Divide the aforementioned second piece to obtain the aforementioned second distillation vapor stream at the feed position. The lower part of the second column mentioned above, and (3) the aforementioned heat exchange paths are adapted to connect to The aforementioned second distillation path to obtain the vaporization of the aforementioned distillation 4. 4. Improvements in accordance with Claim 26, where (1) the aforementioned vapor pathways are adapted to connect to tactile pathways and extract the foregoing to obtain the vapor current of the first distillation current from the foregoing region of the tangent path and Separate the aforementioned below the column's middle feed position and above the column's lower feed position. The aforementioned first and second positions (2), the second distillation path is connected to the aforementioned distillation column. to obtain an upper vapor current on the first stream and divide that vapor current into the distillation vapor stream. Secondary current and third current distillation vapor current (3). The aforementioned tangent and split paths are adapted to connect to the paths. Divide the aforementioned second piece to obtain the aforementioned second distillation vapor stream at the feed position. The lower part of the second column mentioned (4), the combined paths are connected to the aforementioned vapor extraction pathways and the dividing pathways. The second piece mentioned above is to obtain the vapor stream of the above-mentioned first distillation and the vapor stream of the distillation. The aforementioned third stream and generates the aforementioned distillation vapor stream; and (5) the aforementioned heat exchange path is adapted to connect to The aforementioned combined path to obtain the vapor stream of the aforementioned distillation 4. 5. Improvements in accordance with Claim 27, where (1) the aforementioned vapor pathways are adapted to connect to tactile pathways and extract the foregoing to obtain the vapor current of the first distillation current from the foregoing region of the tangent path and Separate the aforementioned below the column's middle feed position and above the column's lower feed position. The aforementioned first and second positions (2), the second distillation path is connected to the aforementioned distillation column. to obtain an upper vapor current on the first stream and divide that vapor current into the distillation vapor stream. Secondary current and third current distillation vapor current (3). The aforementioned tangent and split paths are adapted to connect to the paths. Divide the aforementioned second piece to obtain the aforementioned second distillation vapor stream at the feed position. The lower part of the second column mentioned (4), the combined paths are connected to the aforementioned vapor extraction pathways and the dividing pathways. The second piece mentioned above is to obtain the vapor stream of the above-mentioned first distillation and the vapor stream of the distillation. The aforementioned third stream and generates the aforementioned distillation vapor stream; and (5) the aforementioned heat exchange path is adapted to connect to The aforementioned combined path to obtain the vapor stream of the aforementioned distillation 4. 6. Improvements to claims 28 or 33, where (1) the aforementioned vapor pathways are adapted to connect to tactile pathways and extract the foregoing to obtain the vapor current of the first distillation current from the foregoing region of the tangent path and Separate the aforementioned below the column's middle feed position and above the column's lower feed position. The aforementioned first and second positions (2), the second distillation path is connected to the aforementioned distillation column. to obtain an upper vapor current on the first stream and divide that vapor current into the distillation vapor stream. Secondary current and third current distillation vapor current (3). The aforementioned tangent and split paths are adapted to connect to the paths. Divide the aforementioned second piece to obtain the aforementioned second distillation vapor stream at the feed position. The lower part of the aforementioned second column (4), the second aggregate path is connected to the aforementioned vapor pathway and The aforementioned second divider path to obtain the aforementioned first distillation vapor stream and the vapor current. of the aforementioned third stream distillation and generates the aforementioned distillation vapor stream; and (5) the aforementioned heat exchange path is adapted to connect to The second combination method mentioned above is to obtain the vapor stream of the aforementioned distillation 4. 7. Improvements to claim 32 in which (1) the aforementioned vapor pathways are adapted to connect to tactile pathways and extract the foregoing to obtain the vapor current of the first distillation current from the foregoing region of the tangent path and Separate the aforementioned below the column's middle feed position and above the column's lower feed position. The aforementioned first and second positions (2) The second distillation path is connected to the aforementioned distillation column. to obtain an upper vapor current on the first stream and divide that vapor current into the distillation vapor stream. Secondary current and third current distillation vapor current (3). The aforementioned tangent and split paths are adapted to connect to the paths. Divide the aforementioned second piece to obtain the aforementioned second distillation vapor stream at the feed position. The lower part of the aforementioned second column (4), the second aggregate path is connected to the aforementioned vapor pathway and The aforementioned second divider path to obtain the aforementioned first distillation vapor stream and the vapor current. of the aforementioned third stream distillation and generates the aforementioned distillation vapor stream; and (5) the aforementioned heat exchange path is adapted to connect to The second combination method mentioned above is to obtain the vapor stream of the aforementioned distillation 4. 8. Improvements in accordance with Claim 34, where (1) the aforementioned vapor pathways are adapted to connect to tactile pathways and extract the foregoing to obtain the vapor current of the first distillation current from the foregoing region of the tangent path and Separate the aforementioned below the column's middle feed position and above the column's lower feed position. The aforementioned first and second positions (2), the second distillation path is connected to the aforementioned distillation column. to obtain an upper vapor current on the first stream and divide that vapor current into the distillation vapor stream. Secondary current and third current distillation vapor current (3). The aforementioned tangent and split paths are adapted to connect to the paths. Divide the aforementioned second piece to obtain the aforementioned second distillation vapor stream at the feed position. The lower part of the aforementioned second column (4), the third combined path is connected to the aforementioned vapor pathway and The aforementioned second divider path to obtain the aforementioned first distillation vapor stream and the vapor current. of the aforementioned third stream distillation and generates the aforementioned distillation vapor stream; and (5) the aforementioned heat exchange path is adapted to connect to The third combination method mentioned above is to obtain the vapor stream of the aforementioned distillation 4. 9. Improvements in accordance with clauses 23, 29, 37 or 40 in which (1) the second divider path is connected to the aforementioned junction to obtain The aforementioned condensed currents and divides them into at least the first and the second parts (2). The second aforementioned to receive the first mentioned at the above-mentioned feed position, and (3) the aforementioned distillation column was further adjusted to connect to the path. Divide the second piece mentioned to get the second piece mentioned at the middle feed position of the second column below. The position is entered in the middle of the aforementioned column 5. 0. Improvements to Claims 24, 25, 30, 31, 38 or 41 in which (1) the second junction is connected to the aforementioned second junction; Come to get the aforementioned condensed current and divide that current into the first and the second part. At least (2) the aforementioned distillation column is adjusted to be connected to the slice path. The second aforementioned to receive the first mentioned at the above-mentioned feed position, and (3) the aforementioned distillation column was further adjusted to connect to the path. Divide the second piece mentioned to get the second piece mentioned at the middle feed position of the second column below. The position is entered in the middle of the aforementioned column 5. 1. Improvements in accordance with Claim 35, where (1) the second junction is connected to the aforementioned junction to obtain The aforementioned condensed currents and divides them into at least the first and the second parts (2). The second aforementioned to receive the first mentioned at the above-mentioned feed position, and (3) the aforementioned distillation column was further adjusted to connect to the path. Divide the second piece mentioned to get the second piece mentioned at the middle feed position of the second column below. The position is entered in the middle of the aforementioned column 5. 2. Improvements in accordance with Claim 36 in which (1) the second junction is connected to the aforementioned second junction; Come to get the aforementioned condensed current and divide that current into the first and the second part. At least (2) the aforementioned distillation column is adjusted to be connected to the slice path. The second aforementioned to receive the first mentioned at the above-mentioned feed position, and (3) the aforementioned distillation column was further adjusted to connect to the path. Divide the second piece mentioned to get the second piece mentioned at the middle feed position of the second column below. The position is entered in the middle of the aforementioned column 5. 3. Improvements in accordance with Claim 39, where (1) the second junction is connected to the aforementioned second junction. Come to get the aforementioned condensed current and divide that current into the first and the second part. At least (2) the aforementioned distillation column is adjusted to be connected to the slice path. The second aforementioned to receive the first mentioned at the above-mentioned feed position, and (3) the aforementioned distillation column was further adjusted to connect to the path. Divide the second piece mentioned to get the second piece mentioned at the middle feed position of the second column below. The position is entered in the middle of the aforementioned column 5. 4. An improvement in accordance with Claim 26 or 32, where (1) the second divider path is connected to the aforementioned junction to obtain The aforementioned condensed currents and divides such currents into at least the first and the second parts (2). The aforementioned tangential and isolated paths are adapted to be connected to the path. Divide the aforementioned second piece to obtain the first one at the above-mentioned feed position, and (3) the aforementioned distillation column is further adjusted to connect to the path. Divide the mentioned second piece to get the second mentioned piece at the top feed position 5. 5. Improvements to Claims 27, 28, 33 or 34 in which (1) the second junction is connected to the aforementioned second junction. Come to get the aforementioned condensed current and divide that current into the first and the second part. At least (2) the aforementioned tactile and discrete paths are adapted to connect to the paths. Divide the aforementioned second slice to obtain the first mentioned at the above-mentioned feed position, and (3) the aforementioned distillation column is further adjusted to connect to the path. Divide the second mentioned piece to get the second mentioned piece at the top feed position 5. 6. Improvements in accordance with Claim 42, where (1) a third junction is connected to the aforementioned junction to obtain The aforementioned condensed currents and divides such currents into at least the first and the second parts (2). The aforementioned tangential and isolated paths are adapted to be connected to the path. Divide the aforementioned third slice to obtain the aforementioned first at the above-mentioned feed position, and (3) the aforementioned distillation column is further adjusted to connect to the path. Divide the mentioned third piece to get the second mentioned piece at the top feed position 5. 7. Improvements to Claim 43, where (1) the third junction is connected to the aforementioned second junction. Come to get the aforementioned condensed current and divide that current into the first and the second part. At least (2) the aforementioned tactile and discrete paths are adapted to connect to the paths. Divide the aforementioned third slice to obtain the first mentioned at the above-mentioned feed position, and (3) the aforementioned distillation column is further adjusted to connect to the path. Divide the mentioned third piece to get the second mentioned piece at the top feed position 5. 8. Improvements to Claim 44 or 47, where (1) a third junction is connected to the aforementioned junction to obtain The aforementioned condensed currents and divides such currents into at least the first and the second parts (2). The aforementioned tangential and isolated paths are adapted to be connected to the path. Divide the aforementioned third slice to obtain the aforementioned first at the above-mentioned feed position, and (3) the aforementioned distillation column is further adjusted to connect to the path. Divide the mentioned third piece to get the second mentioned piece at the top feed position 5. 9. Improvements to Claims 45 or 48 in which (1) the third junction is connected to the aforementioned second junction; Come to get the aforementioned condensed current and divide that current into the first and the second part. At least (2) the aforementioned tactile and discrete paths are adapted to connect to the paths. Divide the aforementioned third slice to obtain the first mentioned at the above-mentioned feed position, and (3) the aforementioned distillation column is further adjusted to connect to the path. Divide the mentioned third piece to get the second mentioned piece at the top feed position 6. 0. Improvements to claim 46 in which (1) the third junction is connected to the aforementioned second junction. Come to get the aforementioned condensed current and divide that current into the first and the second part. At least (2) the aforementioned tactile and discrete paths are adapted to connect to the paths. Divide the aforementioned third slice to obtain the first mentioned at the above-mentioned feed position, and (3) the aforementioned distillation column is further adjusted to connect to the path. Divide the mentioned third piece to get the second mentioned piece at the top feed position. ---------------------------------------------------- ------------- 1. In a form of process for the separation of gas streams containing methane, component C2, component C3 and heavier hydrocarbon components into volatile residual gas and volatile fractions. Relatively fewer components have the main C2 component, C3 component and heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which, in such a process, (a) the aforementioned gas stream is cooled under pressure so that the current (b) The aforementioned cooled current is expanded to a lower pressure. at which point the current is further cooled; and (c) the above additional cooled current is introduced into the raven column. The product is distilled and the product is distilled to a boiling point at a lower pressure than the aforementioned, at which point the components of the comparatively less volatile fraction are recovered. The aforementioned cooled currents are divided into first and second currents, and (1) the above first cooled currents are cooled to condense all such currents. truly and thereafter is expanded to a lower pressure than the above at which point the current is further cooled (2). The first cooled expanding current is heated. and thereafter is supplied to the aforementioned distillation column at a higher feed position than the middle of the column (3). The aforementioned second current is expanded to a lower pressure than the aforementioned. and is supplied to the aforementioned distillation column at the column middle feed position below the higher feed position The above column (4) The upper vapor current is drawn from the top area of the column. The aforementioned distilled and heated After that, one or more of the aforementioned heated vapor streams are released in the form of The aforementioned volatile residual gases (5) The distillation vapor stream is drawn from one area of the kettle column. The aforementioned distillation under the above-mentioned column feed position and above the above-mentioned-column feed position is introduced into the heat exchanger with the aforementioned expanded cooled first current. a Leave the above-mentioned vapor stream at the point where the vapor stream of the aforementioned distillation is cooled enough to will condense at least part of the vapor current and generates residual vapor current and condensed current to supply at least part of the heating of steps (2) and (4) (6). At least part of the aforementioned condensed current is supplied to the the aforementioned distillation column at the upper feed position; and (7) the quantity and temperature of the aforementioned feed current fed to the The above distillation column is effective in maintaining the upper temperature of the above distillation column. at the temperature which is the point where the main parts of the components Among the relatively less volatile parts mentioned above were recovered. 2. In one form of process for the separation of gas streams containing methane, component C2, component C3 and heavier hydrocarbon components into individual volatile residual gas fractions. Relatively less frequent, with the main C2 component and C3 component and heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which, in such a process, (a) the aforementioned gas stream is cooled under pressure so that the current (b) The aforementioned cooled current is expanded to a lower pressure. where the current is further cooled, and (c) the above-mentioned additional cooled current is introduced into the ka column. The product is distilled and the product is distilled to a boiling point at a lower pressure than the aforementioned, at which point components of the comparatively less volatile fraction are recovered. cool enough to partially condense such gas streams, and (1) the aforementioned partially condensed gas streams are separated to provide one vapor stream and one or more liquid streams (2). After that, the aforementioned vapor currents are divided into the first and the second streams (3). The first of these currents is cooled to condense them both. truly and thereafter is expanded to a pressure lower than the above at which point the current is further cooled (4). The first cooled expanding current is heated. and thereafter is supplied to the aforementioned distillation column at a higher feed position than the middle of column (5). The aforementioned second current is expanded to a lower pressure than the and is supplied to the aforementioned distillation column at the column middle feed position below the higher feed position Omit the aforementioned column (6) at least one of the aforementioned liquid streams. The vortex is expanded to a lower pressure than the foregoing and is supplied to the aforementioned distillation column at the position. fed below the center of the column under the above-mentioned column center feed (7), the upper vapor current is drawn from the upper area of the column. The aforementioned distilled and heated After that, one or more of the aforementioned heated vapor streams are released in the form of The aforementioned volatile residual gas (8) The distillation vapor stream is drawn from one column of gas. The aforementioned distillation under the above-mentioned feed position is higher than the above-mentioned column center and/or the above-mentioned-column feed position and is introduced into the heat exchanger with the aforementioned expanded cooled first current. a Leave the above-mentioned vapor stream at the point where the vapor stream of the aforementioned distillation is cooled enough to will condense at least part of the vapor current and generate residual vapor current and condensed current to supply at least part of the heating of steps (4) and (7) (9). At least one of the above condensed current is supplied to the the aforementioned distillation column at the upper feed position; and (10) the volume and temperature of the aforementioned feed current fed to the The above distillation column is effective in maintaining the upper temperature of the above distillation column. at the temperature which is the point where the main parts of the components Among the relatively less volatile parts mentioned above were recovered. 3. In a certain process for the separation of gas streams containing methane, component C2, component C3 and heavier hydrocarbon components into volatile residual gas and volatile fractions. Relatively fewer components have the main C2 component, C3 component and heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which, in such a process, (a) the aforementioned gas stream is cooled under pressure so that the current (b) The aforementioned cooled current is expanded to a lower pressure. at which point the current is further cooled; and (c) the above additional cooled current is introduced into the raven column. The product is distilled and the product is distilled to a boiling point at a lower pressure than the aforementioned, at which point components of the comparatively less volatile fraction are recovered. cold enough to partially condense such gas streams, and (1) the aforementioned partially condensed gas streams are separated to provide one vapor stream and one or more liquid streams (2) thereafter, the aforementioned vapor currents are divided into the first and the second (3) streams. At least one of the aforementioned currents to form the aggregated current. After that, the aforementioned aggregated current is cooled to truly condense all such currents. and thereafter is expanded to a lower pressure than the foregoing at which point the current is further cooled (4). and thereafter is supplied to the aforementioned distillation column at a higher feed position than the middle of column (5). The aforementioned second stream is expanded to a lower pressure than the and is supplied to the aforementioned distillation column at the column center feed position below the higher feed position Omit the aforementioned column (6), any remaining of at least one of the aforementioned liquid streams being expanded to a lower pressure than the foregoing and is supplied to the aforementioned distillation column at the lower feed position in the middle of the column below the middle neck feed position. The aforementioned column (7), the upper vapor current is drawn from the upper area of the heating column. The aforementioned distilled and heated After that, one or more of the aforementioned heated vapor streams are released in the form of The aforementioned volatile residual gas (8) The distillation vapor stream is drawn from one column of gas. The aforementioned distillation under the above-mentioned column feed position and above the above-mentioned-column feed position is introduced into the heat exchanger with the aforementioned expanded cooled first current. a Leave the above-mentioned vapor stream at the point where the vapor stream of the aforementioned distillation is cooled enough to will condense at least part of the vapor current and generate residual vapor current and condensed current to supply at least part of the heating of steps (4) and (7) (9). At least one of the above condensed current is supplied to the the aforementioned distillation column at the upper feed position; and (10) the volume and temperature of the aforementioned feed stream fed to the The above distillation column is effective in maintaining the upper temperature of the above distillation column. at the temperature which is the point where the main parts of the components Among the relatively less volatile parts mentioned above were recovered. 4. In one form of process for the separation of gas streams containing methane, component C2, component C3 and heavier hydrocarbon components into volatile residual gas and volatile fractions. Relatively less frequent, with a major portion of the C2 component, the C3 component, and the heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which in such a process (a) the aforementioned gas stream is cooled under pressure so that the current (b) The aforementioned cooled current is expanded to a lower pressure. at which point the current is further cooled; and (c) the above additional cooled current is introduced into the raven column. The product is distilled and the product is distilled at a boiling point at a lower pressure than the aforementioned, at which point the components of the comparatively less volatile fraction are recovered. The aforementioned cooled currents are divided into first and second currents, and (1) the above first cooled currents are cooled to condense all such currents. truly and thereafter is expanded to a lower pressure than the above at which point the current is further cooled (2). The first cooled expanding current is heated. and thereafter is supplied at the center column feed position to the contact and isolating device that produces the vapor current. loop on the first and the lower fluid stream. After that, the aforementioned lower fluid stream is supplied to the aforementioned distillation column (3). The aforementioned second flow is expanded to the aforementioned low pressure. and is supplied to the aforementioned touch and separation device at the lower feed position of the first position column. under the aforementioned central column feed position (4), the upper vapor current on the second current is drawn from the area above the The aforementioned distillation column is supplied to the aforementioned touch and separation device at the bottom feed position. The vent of the second column below the above-mentioned central column feeder (5) The upper vapor current above the above-mentioned first current is heated. After that, at least one of the aforementioned heated vapor currents is released. (6) The distillation vapor stream is drawn from one area of the touch device. Touch and separate the aforementioned under the aforementioned column middle feed position and above the lower feed position of the The first and second position columns mentioned above. and is introduced into the heat exchanger with the aforementioned expanded cooled first stream. Leave the vapor current above the first one above which is the point at which the vapor current of the aforementioned distillation is cooled. enough to condense at least part of the vapor current. and generates residual vapor current and condensed current to supply at least part of the heating of steps (2) and (5) (7). At least one of the aforementioned condensed currents is supplied to the the above-mentioned contact and isolation devices at the upper feed position; and (8) the quantity and temperature of the aforementioned feed current being fed to the equipment. The above-mentioned contact and separation devices are effective in maintaining the upper temperature of the touch and Raise the aforementioned part to the temperature which is the point where the main parts of the components Among the relatively less volatile parts mentioned above were recovered. 5. In one form of process for the separation of gas streams containing methane, component C2, component C3 and heavier hydrocarbon components into volatile residual gas and volatile fractions. Relatively fewer components have the main C2 component, C3 component and heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which in such a process (a) the aforementioned gas stream is cooled under pressure to (b) The aforementioned cooled current is expanded to a lower pressure. at which point the current is further cooled; and (c) the above additional cooled current is introduced into the raven column. The product is distilled and the product is distilled to a boiling point at a lower pressure than the aforementioned, at which point components of the comparatively less volatile fraction are recovered. cool enough to partially condense such gas streams, and (1) the aforementioned partially condensed gas streams are separated to provide one vapor stream and one or more liquid streams (2). After that, the aforementioned vapor currents are divided into the first and the second streams (3). The first of these streams is cooled to condense them. truly and thereafter is expanded to a lower pressure than mentioned at which point the current is further cooled (4). The first cooled expanding current is heated. and thereafter is supplied at the center column feed position to the contact and isolating device that produces the vapor current. vortex on the first and the lower fluid stream, thereafter, the aforementioned lower fluid stream is supplied to the aforementioned distillation column (5). The aforementioned second flow is expanded to the lower pressure and is supplied to the aforementioned touch and separation device at the lower feed position of the first position column. under the feed position in the middle of the aforementioned column (6) at least one of the aforementioned liquid streams The vortex is expanded to a lower pressure than the foregoing and is supplied to the aforementioned distillation column at the position. fed to the center of the column (7), the upper vapor current on the second current is drawn from the area above the The aforementioned distillation column is supplied to the aforementioned touch and separation device at the bottom feed position. The vent of the second column below the above-mentioned central column feeder (8) The upper vapor current above the first current is heated. After that, at least part of the aforementioned heated first current is released. The vapor stream of distillation is drawn from one area of the touch device. Touch and separate the aforementioned under the aforementioned column middle feed position and above the lower feed position of the The first and second position columns mentioned above. and is introduced into the heat exchanger with the aforementioned expanded cooled first stream. Leave the vapor current above the first one above which is the point at which the vapor current of the aforementioned distillation is cooled. enough to condense at least part of the vapor current. and generate residual vapor current and condensed current to supply at least part of the heating of steps (4) and (8) (10). At least one of the above condensed current is supplied to the the aforementioned contact and isolation devices at the upper feed position, and (11) the quantity and temperature of the aforementioned feed current being fed to the equipment. The above-mentioned contact and separation devices are effective in maintaining the upper temperature of the contact device and the Raise the aforementioned temperature which is the point where the main parts of the components Relatively less volatile parts were recovered. 6. In the process model for the separation of gas streams containing methane, component C2, component C3 and heavier hydrocarbon components into volatile residual gas and volatile residues. They are relatively less common with C2, C3, and heavier hydrocarbon components. or the C3 component and the heavier hydrocarbon component mentioned above. in which in such a process (a) the aforementioned gas stream is cooled under pressure to (b) The aforementioned cooled current is expanded to a lower pressure. at which point the freckles are further cooled; and (c) the aforementioned additional cooled currents are introduced into the raven column. The product is distilled and the product is separated at a boiling point at a lower pressure than the one above, at which point components of the comparatively less volatile fraction are recovered, improving at which the aforementioned gas stream is cooled. sufficient to partially condense the aforementioned gas stream, and (1) the aforementioned partially condensed gas stream is split to provide one vapor stream and one or more liquid streams (2) thereafter, the aforementioned vapor currents are divided into the first and the second (3) streams. At least one of the aforementioned currents to form the aggregated current. After that, the aforementioned aggregated current is cooled to truly condense all such currents. and thereafter is expanded to a lower pressure than the foregoing, at which point the current is further cooled (4). and thereafter is supplied at the center column feed position to the contact and isolating device that produces the vapor current. vortex on the first and the lower fluid stream, after that, the aforementioned lower fluid stream is supplied to the aforementioned distillation column (5). The aforementioned second flow is expanded to the lower pressure and is supplied to the aforementioned touch and separation device at the lower feed position of the first position column. under the feed position in the middle of the aforementioned column (6). of at least one of the aforementioned liquid streams being expanded to a pressure lower than the aforementioned and is supplied to the aforementioned distillation column at the column feed position (7). The upper vapor current on the second current is drawn from the area above the The aforementioned distillation column is supplied to the aforementioned touch and separation device at the bottom feed position. The vent of the second column below the above-mentioned central column feeder (8) The upper vapor current above the first current is heated. After that, at least part of the aforementioned heated first current is released. The distillation vapor stream is drawn from one area of the touch device. Touch and separate the aforementioned under the aforementioned column middle feed position and above the lower feed position of the The first and second position columns mentioned above. and is introduced into and transforms the aforementioned cooled galvanic heat Leave the vapor current above the first one above which is the point at which the vapor current of the aforementioned distillation is cooled. enough to condense at least part of the vapor current. and generate residual vapor current and condensed current to supply at least part of the heating of steps (4) and (8) (10). At least one of the above condensed current is supplied to the the aforementioned contact and isolation devices at the upper feed position, and (11) the quantity and temperature of the aforementioned feed current being fed to the equipment. The above-mentioned contact and separation devices are effective in maintaining the upper temperature of the touch and Raise the aforementioned temperature which is the point where the main parts of the components Among the relatively less volatile parts mentioned above were recovered. 7. Improvements according to claim 1, where (1) the above-mentioned vapor current is combined with the aforementioned residual vapor current. and (2) the aforementioned combined vapor current is introduced into the heat exchanger. is heated to the aforementioned distillation vapor stream and is heated to supply the aforementioned cooling of the at least part of the aforementioned distillation vapor stream and thereafter release at least one of the aforementioned heated condensed vapor streams into the figure. As for the volatile residual gas mentioned above 8. Improvements according to claim 2, where (1) the above-mentioned vapor current is combined with the aforementioned residual vapor current. and (2) the aforementioned combined current is introduced into the exchange of is heated to the aforementioned distillation vapor stream and is heated to supply the aforementioned cooling of the at least part of the aforementioned distillation vapor stream and thereafter release at least one of the aforementioned heated condensed vapor streams into the figure. As for the volatile residual gas mentioned above 9. Improvement of claim 3 where (1) the above-mentioned vapor current is combined with the aforementioned residual vapor current. and (2) the aforementioned combined vapor current is introduced into the heat exchanger. It is heated to the vapor stream of the aforementioned distillation and is heated to supply the aforementioned cooling. at least part of the aforementioned distillation vapor stream and after that, at least one of the aforementioned heated combined vapor streams is released into the figure. The volatile residual gas mentioned above 1 0. Improvements in accordance with Claim 4, where (1) the aforementioned primary steam current is combined with the downstream current. The aforementioned hold to generate the merged vapor stream, and (2) the aforementioned condensed vapor stream is brought into the exchange divider. is heated to the aforementioned distillation vapor stream and is heated to supply the aforementioned cooling of the at least part of the aforementioned distillation vapor stream and thereafter release at least one of the aforementioned heated condensed vapor streams into the figure. The volatile residual gas mentioned above 1 1. Improvements according to claim No. 5, where (1) the above-mentioned vapor current is combined with the downstream current. the aforementioned hold to create a condensed vapor stream, and (2) the aforementioned condensed vapor stream is introduced into the heat exchanger. is heated to the aforementioned distillation vapor stream and is heated to supply the aforementioned cooling of the at least part of the aforementioned distillation vapor stream and thereafter release at least one of the aforementioned heated condensed vapor streams into the figure. The volatile residual gas mentioned above 1 2. Improvements according to claim No. 6, where (1) the above-mentioned vapor current is combined with the downstream current. the aforementioned hold to create a condensed vapor stream, and (2) the aforementioned condensed vapor stream is introduced into the heat exchanger. is heated to the aforementioned distillation vapor stream and is heated to supply the aforementioned cooling of the at least part of the aforementioned distillation vapor stream and thereafter release at least one of the aforementioned heated condensed vapor streams into the figure. The volatile residual gas mentioned above 1 3. Improvements to claims 1, 2, 3, 7, 8 or 9 in which the aforementioned distillation vapor stream is extracted from one area of the aforementioned distillation column. Input position in the middle of the aforementioned column 1 4. Adjustments to claims 1, 2, 3, 7, 8 or 9 (1) The first distillation vapor current is drawn from the aforementioned area. of the above-mentioned distillation column below the feed position above the middle of the foregoing column and above the above-mentioned distillation column. (2) The vapor stream of the second distillation is drawn from area b. and (3) the aforementioned first distillation vapor current is combined with the above-mentioned distillation column. of the aforementioned second distillation current to create a vapor current of the aforementioned smell 1 5. Modifications according to Claims 4, 5, 6, 10, 11 or 12, where the above-mentioned secondary vapor currents are divided into the above-mentioned distillation vapor streams and Secondary distillation vapor stream After that, the aforementioned second distillation vapor stream is taken to the aforementioned contact and separation device at the Enter the lower part of the aforementioned second position column 1. 6. Modifications to claims 4, 5, 6, 10, 11 or 12 in which (1) the primary distillation vapor current is drawn from the purged area. of the aforementioned touch and separation devices below the aforementioned column central feed position and above the (2) The vapor current on the aforementioned second current is divided into a The vapor of the second distillation current and the vapor of the third distillation current thereafter, the above-mentioned second distillation vapor current are supplied to the aforementioned contact and separation devices at the The lower feed of the aforementioned second column (3), the vapor current of the aforementioned first distillation current is combined with the of the aforementioned third current distillation to create a vapor stream of the aforementioned distillation 1. 7. Revisions to claims 1, 2, 3, 7, 8 or 9 where (1) the foregoing condensed current is divided into first and (2) The first part of the aforementioned distillation column is supplied to the aforementioned distillation column at the The above-mentioned feeder and (3) the aforementioned second part are supplied to the aforementioned distillation column at the lower The middle column feed position, the second position below the column middle feed position 1 8. An improvement in accordance with Claim 13, where (1) the foregoing condensed current is divided into the first and (2) The first part of the aforementioned distillation column is supplied to the aforementioned distillation column at the The above-mentioned feeder and (3) the aforementioned second part are supplied to the aforementioned distillation column at the lower The middle column feed position, the second position below the column middle feed position 1 9. An improvement in accordance with Claim 14, where (1) the foregoing condensed current is divided into the first and (2) The first part of the aforementioned distillation column is supplied to the aforementioned distillation column at the The above-mentioned feeder and (3) the aforementioned second part are supplied to the aforementioned distillation column at the lower The second column middle feed position is below the column center feed position 2. 0. Adjustments to Claims 4, 5, 6, 10, 11 or 12, where (1) the foregoing condensed current is divided into first and (2) The first part of the above is supplied to the aforementioned touch and split device. at the above-mentioned feed position and (3) the aforementioned second part is supplied to the aforementioned distillation column at low top feeder 2 1. An improvement in accordance with Claim 15, where (1) the condensed current is divided into the first and (2) The first part of the above is supplied to the aforementioned touch and split device. at the above-mentioned feed position and (3) the aforementioned second part is supplied to the aforementioned distillation column at low top feeder 2 2. An improvement in accordance with Claim 16, where (1) the foregoing condensed current is divided into the first and (2) The first part of the above is supplied to the aforementioned touch and split device. at the above-mentioned feed position and (3) the aforementioned second part is supplied to the aforementioned distillation column at low Top feeder 2 3. In a device for the separation of gas streams containing methane, component C2, component C3 and heavier hydrocarbon components into volatile residual gas and volatile residues. Relatively fewer components have the main C2 component, C3 component and heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which the aforementioned equipment has (a) the first cooling device to cool the aforementioned gas stream under pressure connected to provide cooled current under pressure under at least part of the aforementioned pressure and make the current expand to a lower pressure. and (c) a distillation column connected to obtain the aforementioned additional cooled current at which the aforementioned distillation column is tuned separately. The aforementioned additional cooled currents are The upper vapor and volatile parts are somewhat less than those mentioned above. Improvements to the above equipment consist of (1) a divider connected to the first cooling device to obtain the The aforementioned cooled current divides that current into the first and the second current (2). The second cooling device is connected to the said shunt device. A second expansion device that is connected to the cooling device at Two of the above to obtain the aforementioned truly condensed first current and amplify that current. 4. The heat exchanger is connected to the expansion device. The aforementioned second heat exchanger to obtain the aforementioned amplified cooled first current and to heat it, to which the aforementioned heat exchanger is additionally connected to the aforementioned distillation column to supply. The aforementioned heated expansion first stream goes to the aforementioned distillation column at the feed to than the middle of the column (5), the first expansion device mentioned above is connected to the split device at said to receive the above-mentioned second current and to make it expand to a lower pressure than the one mentioned above, where the first expansion device is additionally connected to the above-mentioned distillation column. to pay The aforementioned expanding second column to the aforementioned distillation column at the bottom feed column's middle position. The feed is higher than the middle of the aforementioned column (6). The aforementioned heat exchanger is additionally connected to the the aforementioned distillation column to obtain the above-mentioned vapor stream separated within the aforementioned distillation column. Say at least part and heat the vapor stream. After that, at least one of the aforementioned heated vapor streams is released in the form of The aforementioned volatile residual gas (7) vapor extraction device connected to the aforementioned distillation column to obtain The vapor stream of distillation from one region of the aforementioned distillation column below the feed position above the middle. above column and above the above-mentioned column central feeder (8). The above-mentioned heat exchanger is additionally connected to The aforementioned vapor extraction device accepts the aforementioned distillation vapor stream and cools it to strong enough to condense at least part of the vapor to supply at least part of the heating. of steps (4) and (6) (9) an isolated device that is connected to the device and changes the heat to obtain the aforementioned partially condensed distillation vapor stream and isolate such vapor stream to Generate residual vapor current and condensed current. to which the aforementioned separator is connected in addition to the aforementioned distillation column to supply the condensed current. Tightening one or more of the aforementioned distillation columns to the aforementioned distillation column at the top feed position; and (10) a regulator adapted to control the volume and temperature of the distillation. The aforementioned feed stream is fed to the aforementioned distillation column to maintain the column's upper temperature. The aforementioned distillation at a temperature which is the point where the main parts of the components In the relatively less volatile part above was recovered 2. 4. In a device for the separation of gas streams containing methane, component C2, component C3 and heavier hydrocarbon components into volatile residual gas and volatile fractions. Relatively fewer components have the main C2 component, C3 component and heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which the aforementioned equipment has (a) the first cooling device to cool the aforementioned gas stream pressure is obtained that is connected to allow the cooled current under pressure; (b) the first expansion device to be connected to receive the cooled current; under at least part of the aforementioned pressure and make the current expand to a lower pressure. and (c) the distillation column is connected to receive the additional cooled current from which the aforementioned distillation column is adjusted to isolate the current at refrigerated the aforementioned The upper vapor and volatile parts are somewhat less than those mentioned above. Improvements to the above equipment include: (1) the first cooling apparatus to be adapted to produce a higher gas flow. It is said to be cooled under sufficient pressure to partially condense such gas streams. (2) The first isolator to be connected to the first chiller to said to receive the aforementioned partially condensed gas stream and split the gas stream into one vapor stream and one or more liquid streams (3) a shunt device connected to the first of the above isolating devices to obtain The vapor current is divided into the first and the second. (4) The second refrigeration device is connected to the aforementioned divider. A second expansion device that is connected to the cooling device at Two of the above to obtain the aforementioned truly condensed first current and amplify that current. The heat exchanger is connected to the expansion device. The aforementioned second heat exchanger to obtain the aforementioned amplified cooled current and to heat it, to which the above heat exchanger is additionally connected to the aforementioned distillation column to supply. The aforementioned heated expansion first stream goes to the aforementioned distillation column at the high feed position. than the middle of the column (7), the first expansion device mentioned above is connected to the divider at said to receive the above-mentioned second current and to make it expand to a lower pressure than the one mentioned above. The first expansion device is additionally connected to the aforementioned distillation column to pay The aforementioned expansion of the second column to the aforementioned distillation column at the center feed position of the column can be The feeder is higher than the middle of the aforementioned column (8), the third expansion device connected to the first splitter. said to take at least one of the aforementioned liquid streams and make b The said liquid expands to a pressure lower than the above. in which the aforementioned third expansion device is additionally connected to the aforementioned distillation column to dispense the The aforementioned expanded liquid streams to the aforementioned distillation column at the lower feed position in the middle of the neck. the column under the central column feed position (9). The aforementioned heat exchanger is additionally connected to the aforementioned distillation column to obtain the above-mentioned vapor stream separated within the aforementioned distillation column. Say at least part and heat the vapor stream. After that, at least one of the aforementioned heated vapor streams is released in the form of The aforementioned volatile residual gas (10) A vapor extraction device connected to the aforementioned distillation column to obtain The vapor stream of distillation from one region of the aforementioned distillation column below the feed position above the middle. above column and above the above-mentioned column central feed position (11). The above-mentioned heat exchanger is additionally connected to The aforementioned vapor extraction device accepts the aforementioned distillation vapor stream and cools it to Yong Pee will condense at least part of the vapor current to supply at least part of the heating. of steps (6) and (9) (12) a second discrete device connected to the heat exchanger to obtain the aforementioned partially condensed distillation vapor stream and isolate that vapor stream. said to generate residual vapor current and condensed current. In which the aforementioned second separation device is additionally connected to the aforementioned distillation column to supply current. at least part of the aforementioned condensed to the aforementioned distillation column at the top feed position; and (13) a regulator adapted to control the volume and temperature of the distillation. The aforementioned feed current is fed to the aforementioned distillation column to maintain the column's upper temperature. The aforementioned distillation at a temperature which is the point where the main parts of the components In the relatively less volatile part above was recovered 2. 5. In a device for the separation of gas streams containing methane, component C2, component C3 and heavier hydrocarbon components into volatile residual gas and volatile residues. Relatively fewer components have the main C2 component, C3 component and heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which the aforementioned equipment has (a) the first cooling device to cool the aforementioned gas stream pressure is obtained that is connected to allow the cooled current under pressure; (b) the first expansion device to be connected to receive the cooled current; under at least part of the aforementioned pressure and make the current expand to a lower pressure. and (c) the distillation column is connected to receive the additional cooled current from which the aforementioned distillation column is adjusted to isolate the current at refrigerated the aforementioned The upper vapor and volatile parts are somewhat less than those mentioned above. Improvements to the above equipment include: (1) the first cooling apparatus to be adapted to produce a higher gas flow. It is said to be cooled under sufficient pressure to partially condense such gas streams. (2) The first isolator to be connected to the first chiller to said to receive the aforementioned partially condensed gas stream and split the gas stream into one vapor stream and one or more liquid streams (3) a shunt device connected to the first of the above isolating devices to obtain The aforementioned vapor currents and divides them into first and second currents. (4) Combined devices connected to the above-mentioned dividers and devices Separate the first aforementioned pieces to get the first aforementioned currents and at least one of the listed liquid streams. at least one part and generates the aggregated current (5) a second cooling device connected to the aforementioned integrated device. to take the aforementioned condensed current and cool it sufficiently to condense it. (6) The second expansion device connected to the cooling device Two of the aforementioned to obtain the aforementioned truly condensed condensed currents and make such currents expansion to a pressure lower than the aforementioned (7) heat exchanger connected to the expansion device To obtain the aforementioned amplified cooled condensed current and to heat such current, the aforementioned heat exchanger is additionally connected to the distillation column at said to pay The aforementioned heated expansion first stream goes to the aforementioned distillation column at the high feed position. than the middle of the column (8), the first expansion device mentioned above is connected to the divider at said to receive the above-mentioned second current and to make it expand to a lower pressure than the one mentioned above. The first expansion device is additionally connected to the aforementioned distillation column to pay The aforementioned expansion of the second column to the aforementioned distillation column at the center feed position of the column can be The feeder is higher than the middle of the aforementioned column (9). The expansion device is connected to the first split device. said to receive any remaining of at least one of the aforementioned liquid streams and make the liquid flow loud said to expand to a lower pressure than the aforementioned In which the aforementioned third expansion device is additionally connected to the aforementioned distillation column to dispense the The stream of the aforementioned third expansion device is additionally connected to the aforementioned distillation column to supply the The aforementioned expanded liquid streams to the aforementioned distillation column at the lower feed position in the middle of the neck. The column under the central feed position of the aforementioned column (10). The aforementioned heat exchanger is additionally connected to the the aforementioned distillation column to obtain the above-mentioned vapor stream separated within the aforementioned distillation column. Say at least part and heat the vapor stream. After that, at least one of the aforementioned heated vapor streams is released in the form of The aforementioned volatile residual gas (11) vapor extraction device connected to the aforementioned distillation column to obtain The vapor stream of distillation from one region of the aforementioned distillation column below the feed position above the middle. above column and above the above-mentioned center feed position. (12) The above-mentioned heat exchanger is additionally connected to The aforementioned vapor extraction device accepts the aforementioned distillation vapor stream and cools it to Yong Pee will condense at least part of the vapor current to supply at least part of the heating. of steps (7) and (10) (13) a second discrete device connected to the heat exchanger to obtain the aforementioned partially condensed distillation vapor stream and isolate that vapor stream. said to generate residual vapor current and condensed current. In which the aforementioned second separation device is additionally connected to the aforementioned distillation column to supply current. (14) A regulator adapted to control the volume and temperature of the distillation column at the top feed position; The aforementioned feed stream is fed to the aforementioned distillation column to maintain the column's upper temperature. The aforementioned distillation at a temperature which is the point where the main parts of the components In the relatively less volatile part above was recovered 2. 6. In a device for the separation of gas streams containing methane, component C2, component C3 and heavier hydrocarbon components into volatile residual gas and volatile residues. Relatively fewer components have the main C2 component, C3 component and heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which the aforementioned equipment has (a) the first cooling device to cool the aforementioned gas stream under pressure connected to provide cooled current under pressure (b) the first expansion device to be connected to receive cooled current under at least part of the aforementioned pressure and make the current expand to a lower pressure. and (c) the distillation column is connected to receive the additional cooled current from which the aforementioned distillation column is adjusted to isolate the current at refrigerated the aforementioned The upper vapor and volatile parts are somewhat less than the above. Improvements to the above equipment consist of: (1) a divider connected to the first cooling device to obtain the cooling effect. The aforementioned cooled current divides that current into the first and the second. (2) The second cooled device is connected to the above shunt device. A second expansion device that is connected to the cooling device at Two of the above to obtain the aforementioned truly condensed first current and amplify that current. 4. The heat exchanger is connected to the expansion device. The aforementioned second heat exchanger to receive the aforementioned amplified cooled current and to heat it, to which the said heat exchanger is additionally connected to the contact and isolating device to supply power. The amplified first current is heated above to the aforementioned touch and isolating device at the center column feed position, where the aforementioned touch-and-isolator current is tuned to produce the aforementioned secondary current and its current. The lower liquid (5) The first expansion device mentioned above is connected to the shunt device. said to receive the above-mentioned second current and to make it amplify to a lower pressure than the one mentioned above, where the first-mentioned expansion device is additionally connected to the above-mentioned contact and isolation device. for the sergeant The aforementioned amplified second current is directed to the aforementioned touch and isolating device at the last feed position. The column's distillation column is positioned first below the aforementioned column central feed position (6). (7) the aforementioned contact and isolation devices that are additionally connected to the column. The aforementioned distillation to obtain at least one of the above-mentioned vapor currents at the The lower part of the second column below the aforementioned column feeder (8). The aforementioned heat exchanger is additionally connected to the The aforementioned touch and isolating devices to receive vapor currents on the aforementioned secondary currents isolated within the The apparatus touches and isolates one or more such vapors and heats the vapor stream. After that, at least one of the aforementioned heated secondary currents is released. It comes in the form of the aforementioned volatile residual gas (9) vapor extraction apparatus connected to the aforementioned contact and separation device. to receive the vapor stream of distillation from one area of the aforementioned contact and separation devices below the feed position. middle of the aforementioned columns and above the lower feed positions of the first and second columns of the foregoing (10) the aforementioned heat exchangers are additionally connected to The aforementioned vapor extraction device accepts the aforementioned distillation vapor stream and cools it to sufficient to condense at least part of the vapor current to supply at least part of the heating. of steps (4) and (8) (11) an isolated device connected to the heat exchanger come to obtain the aforementioned partially condensed distillation vapor stream and isolate such vapor stream to Generate residual vapor current and condensed current. where the aforementioned isolating device is additionally connected to the aforementioned tangent and isolating device to supply the rubbing current. and (12) a control device adapted to control the volume and temperature of the The aforementioned feed current is fed to the aforementioned contact and isolation devices to maintain the upper temperature of the The aforementioned touch and separation devices are kept at temperature. which is the point where the main parts of the components In the relatively less volatile part above was recovered 2. 7. In a device for the separation of gas streams containing methane, component C2, component C3 and heavier hydrocarbon components into volatile residual gas and volatile fractions. Relatively fewer components have the main C2 component, C3 component and heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which the aforementioned equipment has (a) the first cooling device to cool the aforementioned gas stream under pressure connected to provide cooled current under pressure (b) the first expansion device to be connected to receive cooled current under at least part of the aforementioned pressure and make the current expand to a lower pressure. and (c) the distillation column is connected to receive the additional cooled current from which the aforementioned distillation column is adjusted to isolate the current at refrigerated the aforementioned The upper vapor and volatile parts are somewhat less than those mentioned above. Improvements to the above equipment include: (1) the first cooling apparatus to be adapted to produce a higher gas flow. It is said to be cooled under sufficient pressure to partially condense such gas streams. (2) The first isolator to be connected to the first chiller to said to receive the aforementioned partially condensed gas stream and split the gas stream into one vapor stream and one or more liquid streams (3) a shunt device connected to the first of the above isolating devices to obtain The vapor current is divided into the first and the second. (4) The second refrigeration device is connected to the aforementioned divider. A second expansion device that is connected to the cooling device at Two of the above to obtain the aforementioned truly condensed first current and amplify that current. The heat exchanger is connected to the expansion device. The aforementioned second heat exchanger is to receive the aforementioned amplified cooled current and to heat it, to which the said heat exchanger is additionally connected to the aforementioned contact and isolation devices. to supply the aforementioned heated amplified first current to the aforementioned contact and isolation devices at The feed position is higher than the middle of the column. where the aforementioned contact and shunt devices are adapted to produce an upper vapor current on the second current and a lower liquid current (7). said to receive the above-mentioned second current and to make it amplify to a lower pressure than the one mentioned above, where the first-mentioned expansion device is additionally connected to the above-mentioned contact and isolation device. for the sergeant The aforementioned amplified second current is directed to the aforementioned touch and isolating device at the last feed position. d of the first column under the above-mentioned column center feeder (8) A third expansion device connected to the first separate device. said to take at least one of the aforementioned liquid streams and make b The said liquid expands to a pressure lower than the above. in which the aforementioned third expansion device is additionally connected to the aforementioned distillation column to dispense the The aforementioned expanded liquid flows to the aforementioned distillation column at the central column feed position (9). to obtain at least one (10) of the aforementioned lower fluid flows, the aforementioned contact and isolation devices that are additionally connected to the column. The aforementioned distillation to obtain at least one of the above-mentioned vapor currents at the the lower part of the second column below the aforementioned column feeder (11). The aforementioned heat exchanger is additionally connected to the The aforementioned touch and isolating devices to receive vapor currents on the aforementioned secondary currents isolated within the The apparatus touches and isolates one or more such vapors and heats the vapor stream. After that, at least one of the aforementioned heated secondary currents is released. It comes in the form of the volatile residual gas mentioned above. (12) The vapor extraction apparatus is connected to the aforementioned contact and separation apparatus. to obtain the vapor stream of distillation from one area of the aforementioned contact and separation apparatus below the feed position. middle of the aforementioned columns and above the lower feed position of the first and second columns of the foregoing (13) the aforementioned heat exchanger is additionally connected to The aforementioned vapor extraction device accepts the aforementioned distillation vapor stream and cools it to sufficient to condense at least part of the vapor current to supply at least part of the heating. of steps (6) and (11) (14). A second discrete device connected to the heat exchanger to obtain the aforementioned partially condensed distillation vapor stream and isolate that vapor stream. said to generate residual vapor current and condensed current. In which the above mentioned two separate devices are additionally connected to the touch and split devices mentioned to supply the One or more of the aforementioned condensed currents to the aforementioned contact and isolation devices at the top feed position, and (15) a control device adapted to regulate the volume and temperature of the apparatus. The aforementioned feed current is fed to the aforementioned contact and isolation devices to maintain the upper temperature of the The aforementioned touch and separation devices are kept at temperature. which is the point where the main parts of the components In the relatively less volatile part above was recovered 2. 8. In a device for the separation of gas streams containing methane, component C2, component C3 and heavier hydrocarbon components into volatile residual gas and volatile fractions. Relatively fewer components have the main C2 component, C3 component and heavier hydrocarbon component mentioned above. or the C3 component and the heavier hydrocarbon component mentioned above. in which the aforementioned equipment has (a) the first cooling device to cool the aforementioned gas stream under pressure connected to provide cooled current under pressure (b) the first expansion device to be connected to receive cooled current under at least part of the aforementioned pressure and make the current expand to a lower pressure. and (c) the distillation column is connected to receive the additional cooled current from which the aforementioned distillation column is adjusted to isolate the current at refrigerated the aforementioned The upper vapor and volatile parts are somewhat less than those mentioned above. Improvements to the above equipment include: (1) the first cooling apparatus to be adapted to produce a higher gas flow. It is said to be cooled under sufficient pressure to partially condense such gas streams. (2) The first isolator to be connected to the first chiller to said to receive the aforementioned partially condensed gas stream and split the gas stream into one vapor stream and one or more liquid streams (3) a shunt device connected to the first of the above isolating devices to obtain The aforementioned vapor currents and divides them into first and second currents. (4) Combined devices connected to the above-mentioned dividers and devices Separate the first aforementioned pieces to get the first aforementioned currents and at least one of the listed liquid streams. at least one part and generates the aggregated current (5) a second cooling device connected to the aforementioned integrated device. to take the aforementioned condensed current and cool it sufficiently to condense it. (6) The second expansion device connected to the cooling device Two of the aforementioned to get the aforementioned truly condensed condensed currents and make such currents expansion to a pressure lower than the aforementioned (7) heat exchanger connected to the expansion device To obtain the aforementioned amplified cooled condensed current and to heat such current, the aforementioned heat exchanger is additionally connected to the contact and isolation device. to pay The first stream that is included is the aforementioned heated amplification to the aforementioned contact and separation devices at the position. The central column feeder (8) is the first expansion device to be connected to the split device. said to receive the above-mentioned second current and make it expand to a lower pressure than the aforesaid. The first expansion device is connected in addition to the aforementioned contact and isolating device for sergeant The aforementioned amplified second current is directed to the aforementioned touch and isolating device at the last feed position. d of the first column under the above-mentioned column center feeder (9) a third expansion device connected to the first split device. said to receive any remaining of at least one of the aforementioned liquid streams and expanding them. The pressure is lower than the aforementioned. In which the aforementioned third expansion device is additionally connected to the aforementioned distillation column to dispense the The aforementioned amplified liquid flows to the aforementioned distillation column at the column feed position (10). The aforementioned contact and separation devices are additionally connected to the column. The aforementioned distillation to obtain at least one of the above-mentioned vapor currents at the (12) The above-mentioned heat exchanger is additionally connected to The aforementioned touch and isolating devices to receive vapor currents on the aforementioned secondary currents isolated within the The apparatus touches and isolates one or more such vapors and heats the vapor stream. After that, at least one of the aforementioned heated secondary currents is released. It comes in the form of the aforementioned volatile residual gas (13) vapor extraction device connected to the aforementioned contact and separation device. to obtain the vapor stream of distillation from one area of the aforementioned contact and separation apparatus below the feed position. middle of the aforementioned columns and above the lower feed position of the first and second columns mentioned above (14). The aforementioned vapor extraction device accepts the aforementioned distillation vapor stream and cools it to sufficient to condense at least part of the vapor current to supply at least part of the heating. of steps (7) and (12) (15) a second discrete device that is connected to the device and to obtain the aforementioned partially condensed distillation vapor stream and isolate that vapor stream. said to generate residual vapor current and condensed current. In which the two separate devices mentioned above are additionally connected to the touch devices and separately to supply the One or more of the aforementioned condensed currents to the aforementioned contact and isolation devices at the top feed position and (16) control devices adapted to regulate the volume and temperature of the The aforementioned feed current is fed to the aforementioned contact and isolation devices to maintain the upper temperature of the The aforementioned touch and separation devices are kept at temperature. which is the point where the main parts of the components In the relatively less volatile part above was recovered 2. 9. An improvement in accordance with claim 23, where (1) the aggregate device is connected to the aforementioned distillation column and the aforementioned distillation device. to obtain the aforementioned upper vapor current and the aforementioned residual vapor current. and generating a condensed vapor stream; and (2) the aforementioned heat exchanger is adapted to accept the vapor current. that are included above from the aforementioned integrated devices and bring such vapor current into the exchange of to heat the aforementioned distillation vapor streams to heat the aforementioned combined vapor streams and supply cool the aforementioned vapor streams of at least part of the aforementioned distillation. and thereafter release at least one of the aforementioned heated condensed vapor streams into the figure. The aforementioned volatile residual gases 3 0. Improvements according to claim 24, where (1) the aggregate device is connected to the aforementioned distillation column and the The second part of the aforementioned part is to obtain the above-mentioned upper vapor current and the aforementioned residual vapor current. and generating a condensed vapor stream; and (2) the aforementioned heat exchanger is adapted to accept the vapor current. that are included above from the aforementioned integrated devices and bring such vapor current into the exchange of to heat the aforementioned distillation vapor streams to heat the aforementioned combined vapor streams and supply cool the aforementioned vapor streams of at least part of the aforementioned distillation. and thereafter release at least one of the aforementioned heated condensed vapor streams into the figure. The aforementioned volatile residual gases 3 1. An improvement in accordance with Claim 25, where (1) a second aggregate device is connected to the aforementioned distillation column. and the aforementioned second isolator is omitted to receive the above-mentioned upper vapor current and the aforementioned residual vapor current and generate the condensed vapor current; and (2) the above-mentioned heat exchanger is adapted to accept the vapor current. that are included above from the second integrated device mentioned and bring such vapor current into the exchange Replace the heat with the vapor streams of the aforementioned distillation to heat the aforementioned combined vapor streams. and supply the aforementioned cooling of one or more of the aforementioned distillation vapor streams. and thereafter release at least one of the aforementioned heated condensed vapor streams into the figure. The aforementioned volatile residual gases 3 2. Improvements pursuant to Clause 26, where (1) the integrated device is connected to the aforementioned touch and separation devices; and The aforementioned isolating device accepts the above-mentioned secondary vapor current and the aforementioned residual vapor current and generates the merged vapor current, and (2) the above-mentioned heat exchanger is adapted to accept the vapor current. that are included above from the aforementioned integrated devices and bring such vapor current into the exchange of to heat the aforementioned distillation vapor streams to heat the aforementioned combined vapor streams and supply cool the aforementioned vapor streams of at least part of the aforementioned distillation. and thereafter release at least one of the aforementioned heated condensed vapor streams into the figure. The aforementioned volatile residual gases 3 3. Improvements pursuant to Clause 27, where (1) the integrated device is connected to the aforementioned touch and separation devices; and The aforementioned second isolator accepts the vapor current on the aforementioned second current and the vapor current. freezes mentioned and generating a condensed vapor stream; and (2) the aforementioned heat exchanger is adapted to accept the vapor current. that are included above from the aforementioned integrated devices and bring such vapor current into the exchange of to heat the aforementioned distillation vapor streams to heat the aforementioned combined vapor streams and supply cool the aforementioned vapor streams of at least part of the aforementioned distillation. and thereafter release at least one of the aforementioned heated condensed vapor streams into the figure. The aforementioned volatile residual gases 3 4. Improvements to claim 26, where (1) a second integrated device is connected to a touch and isolation device on the box. The source and the aforementioned second isolator to receive the vapor current on the aforementioned second current and the The aforementioned residual vapor and generating a condensed vapor stream; and (2) the aforementioned heat exchanger is adapted to accept the vapor current. that are included above from the second integrated device mentioned and bring such vapor current into the exchange change the heat with the current The vapor of the aforementioned distillation to heat the aforementioned combined vapor stream and The aforementioned cooling of one or more of the aforementioned distillation vapor streams is supplied. and thereafter release at least one of the aforementioned heated condensed vapor streams into the figure. The aforementioned volatile residual gases 3 5. Modification according to claim 23 or 29, where the aforementioned vapor extraction device is adjusted to be connected to the aforementioned distillation column to obtain the vapor current of the kettle. The aforementioned distillation from one area of the aforementioned distillation column below the above-mentioned column middle feed position 3. 6. Modifications according to Claims 24, 25, 30 or 31, where the aforementioned vapor extraction apparatus is adjusted to be connected to the aforementioned distillation column to obtain the vapor current of the kettle. The aforementioned distillation from one area of the aforementioned distillation column below the above-mentioned column middle feed position 3. 7. Improvements in accordance with claim 23, where (1) the aforementioned vapor extraction apparatus is adapted to be connected to a distillation column at said to obtain the first distillation vapor stream from the aforementioned area of the aforementioned distillation column. Under the above-mentioned column feed position and above the above-mentioned column center feed (2) A second vapor extraction device is connected to the aforementioned distillation column. to obtain a secondary distillation vapor stream from one region of the aforementioned distillation column under the position. The feeder is in the middle of the aforementioned column (3). The combined device is connected to the aforementioned vapor extraction device and the extraction device. to obtain the aforementioned first distillation vapor stream and the above mentioned second distillation vapor stream. The second stream mentioned above and generating vapor streams of the aforementioned distillation; and (4) the aforementioned heat exchangers are adjusted to be connected to Combine the aforementioned equipment to obtain the vapor stream of the aforementioned distillation 3. 8. Improvements in accordance with Claim 24, where (1) the aforementioned vapor extraction apparatus is adapted to be connected to a distillation column at said to obtain the first distillation vapor stream from the aforementioned area of the aforementioned distillation column. Under the above-mentioned column feed position and above the above-mentioned column center feed (2) A second vapor extraction device is connected to the aforementioned distillation column. to obtain a secondary distillation vapor stream from one region of the aforementioned distillation column under the position. The feeder is in the middle of the aforementioned column (3). The combined device is connected to the aforementioned vapor extraction device and the extraction device. to obtain the aforementioned first distillation vapor stream and the above mentioned second distillation vapor stream. The second stream mentioned above and generating vapor streams of the aforementioned distillation; and (4) the aforementioned heat exchangers are adjusted to be connected to Combine the aforementioned equipment to obtain the vapor stream of the aforementioned distillation 3. 9. An improvement in accordance with claims 25 or 30, where (1) the aforementioned vapor extraction device is adjusted to be connected to a distillation column at said to obtain the first distillation vapor stream from the aforementioned area of the aforementioned distillation column. Under the above-mentioned column feed position and above the above-mentioned column center feed (2) A second vapor extraction device is connected to the aforementioned distillation column. to obtain a secondary distillation vapor stream from one region of the aforementioned distillation column under the position. The feeder in the middle of the aforementioned column (3) is connected to the aforementioned vapor extraction device. The second aforementioned vapor extraction device accepts the aforementioned first distillation vapor current and the vapor current. of the aforementioned second stream distillation and generating vapor streams of the aforementioned distillation; and (4) the aforementioned heat exchangers are adjusted to be connected to the Pakorn combines the second aforementioned to obtain the vapor stream of the aforementioned distillation 4. 0. Improvements to claim 29, where (1) the aforementioned vapor extraction apparatus is adjusted to be connected to a distillation column at said to obtain the first distillation vapor stream from the aforementioned area of the aforementioned distillation column. Under the above-mentioned column feed position and above the above-mentioned column center feed (2) A second vapor extraction device is connected to the aforementioned distillation column. to obtain a secondary distillation vapor stream from one region of the aforementioned distillation column under the position. The feeder in the middle of the aforementioned column (3) is connected to the aforementioned vapor extraction device. The second aforementioned vapor extraction device accepts the aforementioned first distillation vapor current and the vapor current. of the aforementioned second stream distillation and generating vapor streams of the aforementioned distillation; and (4) the aforementioned heat exchangers are adjusted to be connected to Pakorn combines the second aforementioned to obtain the vapor stream of the aforementioned distillation 4. 1. An improvement in accordance with Clause 31, where (1) the aforementioned vapor extraction apparatus has been adapted to be connected to a distillation column at said to obtain the first distillation vapor stream from the aforementioned area of the aforementioned distillation column. Under the above-mentioned column feed position and above the above-mentioned column center feed (2) A second vapor extraction device is connected to the aforementioned distillation column. to obtain a secondary distillation vapor stream from one region of the aforementioned distillation column under the position. The feeder in the middle of the aforementioned column (3) a third integrated device is connected to the aforementioned vapor extraction device and The second aforementioned vapor extraction device accepts the aforementioned first distillation vapor current and the vapor current. of the aforementioned second stream distillation and generating vapor streams of the aforementioned distillation; and (4) the aforementioned heat exchangers are adjusted to be connected to Pakorn combines the third aforementioned to obtain the vapor stream of the aforementioned distillation 4. 2. An improvement in accordance with Claims 26 or 32, where (1) a second distillation device is connected to the aforementioned distillation column. In order to receive the upper vapor current above the first current above and divide such vapor current into the vapor current of the Ka. The aforementioned distillation and the vapor stream of the second distillation current (2) the aforementioned touch and separation devices are adjusted to be connected to the aforementioned distillation device. The aforementioned second divider is used to obtain the aforementioned second distillation vapor stream at the input position. and (3) the aforementioned heat exchanger is adjusted to connect to the Pakorn divides the second piece mentioned above to obtain the vapor stream of the aforementioned distillation 4. 3. Improvements to claims 27, 28, 33 or 34 where (1) a second distillation device is connected to the aforementioned distillation column. In order to receive the upper vapor current above the first current above and divide such vapor current into the vapor current of the Ka. The aforementioned distillation and the vapor stream of the second distillation current (2) the aforementioned touch and separation devices are adjusted to be connected to the aforementioned distillation device. The aforementioned second divider is used to obtain the aforementioned second distillation vapor stream at the input position. and (3) the aforementioned heat exchanger is adjusted to connect to the Pakorn divides the second piece mentioned above to obtain the vapor stream of the aforementioned distillation 4. 4. Improvements pursuant to Clause 26, where (1) the aforementioned vapor extraction device is adapted to connect to the touch device and Separate the above to obtain the vapor current of the first distillation current from the aforementioned area of the touch device and The aforementioned junction is below the column's middle feed position and above the column's lower feed position. The aforementioned first and second positions (2) The second distillation device is connected to the aforementioned distillation column. to take the vapor current on the first stream and divide that vapor current into the distillation vapor stream The second current and the third current distillation vapor stream (3) The aforementioned touch and isolating devices are adapted to be connected to the Indicate the aforementioned second element to obtain the aforementioned second distillation vapor stream at the latter feed position. (4) The combine device is connected to the above-mentioned vapor extraction device and the Indicate the second part above to obtain the above-mentioned distillation vapor current and the above-mentioned distillation vapor current. The third stream mentioned above and generating vapor streams of the aforementioned distillation; and (5) the aforementioned heat exchanger is adjusted to be connected to the Combine the aforementioned equipment to obtain the vapor stream of the aforementioned distillation 4. 5. Improvements pursuant to Clause 27, where (1) the aforementioned vapor extraction device is adapted to connect to the touch device and Separate the above to obtain the vapor current of the first distillation current from the aforementioned area of the touch device and The aforementioned junction is below the column's middle feed position and above the column's lower feed position. The aforementioned first and second positions (2) The second distillation device is connected to the aforementioned distillation column. to take the vapor current on the first stream and divide that vapor current into the distillation vapor stream The second current and the third current distillation vapor stream (3) The aforementioned touch and isolating devices are adapted to be connected to the Indicate the aforementioned second element to obtain the aforementioned second distillation vapor stream at the latter feed position. (4) The combine device is connected to the above-mentioned vapor extraction device and the Indicate the second part above to obtain the above-mentioned distillation vapor current and the above-mentioned distillation vapor current. The third stream mentioned above and generating vapor streams of the aforementioned distillation; and (5) the aforementioned heat exchanger is adjusted to be connected to the Combine the aforementioned equipment to obtain the vapor stream of the aforementioned distillation 4. 6. Improvements in accordance with Claims 28 or 33, where (1) the aforementioned vapor extraction device is adapted to be connected to the touch device and Separate the above to obtain the vapor current of the first distillation current from the aforementioned area of the touch device and The aforementioned junction is below the column's middle feed position and above the column's lower feed position. The aforementioned first and second positions (2) The second distillation device is connected to the aforementioned distillation column. to take the vapor current on the first stream and divide that vapor current into the distillation vapor stream The second current and the third current distillation vapor stream (3) The aforementioned touch and isolating devices are adapted to be connected to the Indicate the aforementioned second element to obtain the aforementioned second distillation vapor stream at the latter feed position. (4) The second integrated device is connected to the aforementioned vapor extraction device and The aforementioned second dividing device accepts the aforementioned first distillation vapor stream and the vapor current. to distill the aforementioned third stream and generating vapor streams of the aforementioned distillation; and (5) the aforementioned heat exchanger is adjusted to be connected to the Pakorn combines the second aforementioned to obtain the vapor stream of the aforementioned distillation 4. 7. Improvements in accordance with Claim 33, where (1) the aforementioned vapor extraction device is adapted to connect to the touch device and Separate the above to obtain the vapor current of the first distillation current from the aforementioned area of the touch device and The aforementioned junction is below the column's middle feed position and above the column's lower feed position. The aforementioned first and second positions (2) The second distillation device is connected to the aforementioned distillation column. to take the vapor current on the first stream and divide that vapor current into the distillation vapor stream The second current and the third current distillation vapor stream (3) The aforementioned touch and isolating devices are adapted to be connected to the Indicate the aforementioned second element to obtain the aforementioned second distillation vapor stream at the latter feed position. (4) The second integrated device is connected to the aforementioned vapor extraction device and The aforementioned second dividing device accepts the aforementioned first distillation vapor stream and the vapor current. to distill the aforementioned third stream and generating vapor streams of the aforementioned distillation; and (5) the aforementioned heat exchanger is adjusted to be connected to the Pakorn combines the second aforementioned to obtain the vapor stream of the aforementioned distillation 4. 8. Improvements pursuant to Clause 34, where (1) the aforementioned vapor extraction device is adapted to connect to the touch device and Separate the above to obtain the vapor current of the first distillation current from the aforementioned area of the touch device and The aforementioned junction is below the column's middle feed position and above the column's lower feed position. The aforementioned first and second positions (2) The second distillation device is connected to the aforementioned distillation column. to take the vapor current on the first stream and divide that vapor current into the distillation vapor stream The second current and the third current distillation vapor stream (3) The aforementioned touch and isolating devices are adapted to be connected to the Indicate the aforementioned second element to obtain the aforementioned second distillation vapor stream at the latter feed position. (4) The third integrated device is connected to the aforementioned vapor extraction device and The aforementioned second dividing device accepts the aforementioned first distillation vapor stream and the vapor current. to distill the aforementioned third stream and generating vapor streams of the aforementioned distillation; and (5) the aforementioned heat exchanger is adjusted to be connected to the Pakorn combines the second aforementioned to obtain the vapor stream of the aforementioned distillation 4. 9. Improvements to claims 23, 29, 37 or 40 in which (1) a second split device is connected to the aforementioned split device to obtain The aforementioned condensed currents are divided and such currents are divided into at least the first and the second parts (2). The second aforementioned to receive the first one at the above-mentioned feed position, and (3) the aforementioned distillation column is further adapted to be connected to the device. Divide the second piece mentioned to get the second piece mentioned at the middle feed position of the second column. The position is entered in the middle of the aforementioned column 5. 0. Cham improvement claims Articles 24, 25, 30, 31, 38 or 41 in which (1) a second split device is connected to a second split device mentioned. come to take the aforementioned condensed current and divide that current into the first and the second. (2) The aforementioned distillation column is adapted to be connected to the shunt device. The second aforementioned to receive the first one at the above-mentioned feed position, and (3) the aforementioned distillation column is further adapted to be connected to the device. Divide the second piece mentioned to get the second piece mentioned at the middle feed position of the second column. The position is entered in the middle of the aforementioned column 5. 1. Improvements pursuant to Claim 35, where (1) a second split device is connected to the aforementioned split device to obtain The aforementioned condensed currents are divided and such currents are divided into at least the first and the second parts (2). The second aforementioned to receive the first one at the above-mentioned feed position, and (3) the aforementioned distillation column is further adapted to be connected to the device. Divide the second piece mentioned to get the second piece mentioned at the middle feed position of the second column. The position is entered in the middle of the aforementioned column 5. 2. An improvement pursuant to Claim 36, where (1) a second split device is connected to a previously mentioned second split device. come to take the aforementioned condensed current and divide that current into the first and the second. (2) The aforementioned distillation column is adapted to be connected to the shunt device. The second aforementioned to receive the first one at the above-mentioned feed position, and (3) the aforementioned distillation column is further adapted to be connected to the device. Divide the second piece mentioned to get the second piece mentioned at the middle feed position of the second column. The position is entered in the middle of the aforementioned column 5. 3. An improvement in accordance with Claim 39, where (1) a second split device is connected to a previously mentioned second split device. come to take the aforementioned condensed current and divide that current into the first and the second. (2) The aforementioned distillation column is adapted to be connected to the shunt device. The second aforementioned to receive the first one at the above-mentioned feed position, and (3) the aforementioned distillation column is further adapted to be connected to the device. Divide the second piece mentioned to get the second piece mentioned at the middle feed position of the second column. The position is entered in the middle of the aforementioned column 5. 4. An improvement in accordance with Claim 26 or 32, where (1) a second split device is connected to the aforementioned split device to obtain (2) the aforementioned condensed currents and divides such currents into at least the first and the second; (2) the aforementioned exposed and isolated devices are adapted to The second aforesaid to receive the first one at the above-mentioned feed position, and (3) the aforementioned distillation column is further adapted to be connected to the device. Divide the second mentioned piece to get the second mentioned piece at the top feed position 5. 5. Improvements to Claim 27, 28, 33 or 34 in which (1) a second split device is connected to a previously mentioned second split device. come to take the aforementioned condensed current and divide that current into the first and the second. (2) the aforementioned exposed and isolated devices are adapted to connect to The second aforesaid to receive the first one at the above-mentioned feed position, and (3) the aforementioned distillation column is further adapted to be connected to the device. Divide the second mentioned piece to get the second mentioned piece at the top feed position 5. 6. An improvement in accordance with Claim 42, where (1) a second split device is connected to the aforementioned split device to obtain (2) the aforementioned condensed currents and divides such currents into at least the first and the second; (2) the aforementioned exposed and isolated devices are adapted to The aforementioned third element is given to receive the first one at the above-mentioned feed position, and (3) the aforementioned distillation column is further adapted to be connected to the device. Divide the mentioned third piece to get the second mentioned piece at the top feed position 5. 7. An improvement in accordance with Claim 43, where (1) a third split device is connected to a stated second split device. come to take the aforementioned condensed current and divide that current into the first and the second. (2) the aforementioned exposed and isolated devices are adapted to connect to The aforementioned third element is given to receive the first one at the above-mentioned feed position, and (3) the aforementioned distillation column is further adapted to be connected to the device. Divide the mentioned third piece to get the second mentioned piece at the top feed position 5. 8. Improvements to Claim 44 or 47, where (1) a third split device is connected to the aforementioned split device to obtain (2) the aforementioned condensed currents and divides such currents into at least the first and the second; (2) the aforementioned exposed and isolated devices are adapted to The second aforesaid to receive the first one at the above-mentioned feed position, and (3) the aforementioned distillation column is further adapted to be connected to the device. Divide the mentioned third piece to get the second mentioned piece at the top feed position 5. 9. An improvement in accordance with Claim 45 or 48, where (1) the third split device is connected to the stated second split device. come to take the aforementioned condensed current and divide that current into the first and the second. (2) the aforementioned exposed and isolated devices are adapted to connect to The aforementioned third element is given to receive the first one at the above-mentioned feed position, and (3) the aforementioned distillation column is further adapted to be connected to the device. Divide the mentioned third piece to get the second mentioned piece at the top feed position 6. 0. Improvements to Claim 46, where (1) a third split device is connected to a stated second split device. come to take the aforementioned condensed current and divide that current into the first and the second. (2) the aforementioned exposed and isolated devices are adapted to connect to The aforementioned third element is given to receive the first one at the above-mentioned feed position, and (3) the aforementioned distillation column is further adapted to be connected to the device. Divide the mentioned third piece to get the second mentioned piece at the top feed position.