EP1162423A2 - Verfahren und Vorrichtung zur Gewinnung von Argon - Google Patents
Verfahren und Vorrichtung zur Gewinnung von Argon Download PDFInfo
- Publication number
- EP1162423A2 EP1162423A2 EP01113970A EP01113970A EP1162423A2 EP 1162423 A2 EP1162423 A2 EP 1162423A2 EP 01113970 A EP01113970 A EP 01113970A EP 01113970 A EP01113970 A EP 01113970A EP 1162423 A2 EP1162423 A2 EP 1162423A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- argon
- column
- oxygen
- separation
- rectification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04642—Recovering noble gases from air
- F25J3/04648—Recovering noble gases from air argon
- F25J3/04654—Producing crude argon in a crude argon column
- F25J3/04666—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system
- F25J3/04672—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser
- F25J3/04703—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser being arranged in more than one vessel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04406—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system
- F25J3/04412—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system in a classical double column flowsheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of high pressure column
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04642—Recovering noble gases from air
- F25J3/04648—Recovering noble gases from air argon
- F25J3/04654—Producing crude argon in a crude argon column
- F25J3/04666—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system
- F25J3/04672—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser
- F25J3/04678—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser cooled by oxygen enriched liquid from high pressure column bottoms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
- F25J3/04896—Details of columns, e.g. internals, inlet/outlet devices
- F25J3/04915—Combinations of different material exchange elements, e.g. within different columns
- F25J3/04921—Combinations of different material exchange elements, e.g. within different columns within the same column
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
- F25J3/04896—Details of columns, e.g. internals, inlet/outlet devices
- F25J3/04933—Partitioning walls or sheets
- F25J3/04939—Vertical, e.g. dividing wall columns
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
- F25J2235/58—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being argon or crude argon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2240/00—Processes or apparatus involving steps for expanding of process streams
- F25J2240/40—Expansion without extracting work, i.e. isenthalpic throttling, e.g. JT valve, regulating valve or venturi, or isentropic nozzle, e.g. Laval
Definitions
- the invention relates to a method and an apparatus for the production of argon, at the compressed, pre-cleaned and cooled air in a rectification system at least one rectification column and one crude argon column is broken down, according to the Features of the preamble of claims 1 and 4.
- Such a method with a device for the production of argon with up to 10 ppm Contamination content is known from EP 0 377 117 B2, in which one from the so-called argon belly area of a low-pressure column of a two-stage Rectification withdrawn argon-rich oxygen fraction one with a top condenser equipped raw argon column supplied and in this at the same Pressure ratios as in the low pressure column using at least 150 theoretical floors (levels) as well as structured packings or packing in gaseous raw argon and in a heavy-boiling first liquid residual fraction disassembled, the crude argon of a further fine cleaning in a conventional Way with bottoms and with a top condenser and with a bottom evaporator equipped pure argon column for the production of pure argon.
- EP 0 628 777 B1 describes a method and an apparatus for Obtaining argon with a maximum of 10 ppm residual oxygen known, in which that from the separation of air in a rectification system with at least one Rectification column obtained argon-containing oxygen fraction in a crude argon column and a semi-pure column equipped with a top condenser to an argon product is broken down, the residual fraction of the semi-pure column as reflux liquid for the Crude argon column is used, the number of argon rectification used theoretical floors in the form of conventional floors and / or ordered packings and / or packing in the crude argon / semi-pure column can be reduced at least 30 or 60, so that no head capacitor in the Crude argon column is required, which reduces the expenditure on equipment and the Operating costs can be reduced.
- the rectification columns are usually like this made that the separation section takes up the entire column diameter, the size of which depends on the amount of gas flowing in the column.
- the invention has for its object a method and an apparatus initially mentioned type with little equipment and low Operating costs for the particularly economical extraction of raw argon are available to deliver.
- the invention takes place in the low pressure column below the argon side gas discharge area one spatially separated from the nitrogen-oxygen separation Argon-oxygen pre-separation takes place, whereby the argon portion in the crude argon column withdrawn argon-oxygen side gas increased to about 80% and thus the subsequent separation effort in the crude argon column is significantly reduced.
- the nitrogen-oxygen pre-separation is preferably concentric enclosing outer argon-oxygen pre-separation by means of a partition in their upper range from the nitrogen-oxygen separation and from that above the Argon-oxygen pre-separation and nitrogen-oxygen separation arranged Section of the low pressure column separated gastight.
- the gas-tight separation of the argon-oxygen pre-separation according to the invention from the Nitrogen-oxygen separation and these two separation devices from the a gaseous fraction up to 40% above the separation section Section of the low pressure column containing nitrogen is required to the Raw argon column a low-nitrogen argon side vent to a trouble-free, to be able to perform optimal operation of the crude argon condenser.
- the result of rectification of the argon side gas in the crude argon column as Gaseous top product crude argon is the crude argon product from the Raw argon column deducted and by means of the overhead condenser by indirect Heat exchange preferably against from the pressure column of the rectification column Bottom liquid fed in to return liquid and liquid raw argon condensed.
- the liquid crude argon product can be withdrawn from the crude argon column or one further fine cleaning in a pure argon column to obtain pure argon product with 0.1 to 10 ppm residual oxygen content.
- the top condenser of the crude argon column sucks process gas from below argon-oxygen pre-separation and nitrogen-oxygen separation arranged so-called argon enrichment section of the low pressure column, by condensing the top argon product of the crude argon column and so on Pressure drop generated.
- the suction power of the top condenser of the crude argon column is regulated either by pressure control on the bath side or via that on the side of the Argon side gas flows are available and by throttling the return
- the condensation area of the crude argon top condenser can be enlarged or reduced.
- the invention also relates to a device for the production of argon according to the Features of claims 4 to 9.
- the number of separation stages in the crude argon column can be reduced in such a way that without a complete section and thus the argon-oxygen separation can be carried out economically in a column and thus the apparatus and procedural effort is significantly reduced, making it cost-effective and thus economic production of argon is guaranteed.
- the figure of the drawing shows a in a schematic side section arrangement Low pressure column 1 of a rectification system of an air separation plant, which a line network 11, 12, 16, 17 with a crude argon column 10 for the extraction of Oxygen, nitrogen and argon are connected.
- upper section of the low pressure column 1 is through a partition 3 from an outer, arranged below the upper section Argon-oxygen pre-separation 4 and an internal one, from the argon-oxygen pre-separation 4 preferably concentrically enclosed nitrogen-oxygen separation 5 arranged gas-tight separated.
- the spatially separated argon-oxygen pre-separation 4 and nitrogen-oxygen separation 5 are with rectifying devices, shown only schematically in the form of differently arranged ordered packings and / or packing equipped.
- the separation section of the low pressure column 1 also has conventionally arranged and trained liquid collector / distributor 6,7,9 and one with line 11 connected raw argon side deduction.
- argon-oxygen pre-separation 4 and the nitrogen-oxygen separation 5 comprehensive separation section of the low pressure column 1 is one, only partially shown argon enrichment section 8 arranged.
- the connected to the low-pressure column 1 via the line assembly 11, 12, 16, 17 and a line 13 for the crude argon discharge, a line 15 for supplying Top product and a line 18 for supplying cooling medium and one Head condenser 14 having crude argon column 10 is only schematic with shown conventional, arranged differently in several sections Bottoms and / or ordered packings and / or packing.
- the pressure column of the rectification system is the pre-compressed, cleaned and cooled Air pre-decomposed, 1 liquid evaporates in the bottom of the low pressure column, which after flowing through the argon enrichment section 8 on the internal nitrogen-oxygen separation 5 and the outer argon-oxygen pre-separation 4 and so on using the rectifiers into a gaseous argon-oxygen fraction and in a nitrogen-oxygen gas mixture with residual contents Argon is further decomposed by about 2%.
- the argon-oxygen gas mixture rectified in the argon-oxygen pre-separation 4 with an argon content of up to about 80 vol.% is preferred over that with a Throttle-equipped line 11 in the lower region of the crude argon column 10 fed in and in this by means of rectifying via line 15 removable head product disassembled.
- the gaseous argon overhead of the crude argon column 10 is by means of indirect heat exchange preferred with relaxed sump liquid from the Pressure column of the rectification system fed raw argon condenser 14 at least partly to reflux liquid and a crude argon product with 0.01 ppm to 3% Residual oxygen content condensed.
- the crude argon product obtained in this way can be obtained as a liquid crude argon product from the Raw argon column 10 deducted and / or a further fine cleaning in one Pure argon column to obtain pure argon product.
- the sump liquid is in the Line 12 arranged conveyor 19 as a return for the external argon-oxygen pre-separation 4 transported to the low pressure column 1 while out of the room of the raw argon condenser 14 both a line 16 for rinsing liquid and one Lead gas line 17 to low-pressure column 1 and there above the internal nitrogen-oxygen separation 5 are arranged.
- a line 16 for rinsing liquid and one Lead gas line 17 to low-pressure column 1 and there above the internal nitrogen-oxygen separation 5 are arranged.
- At the top of the crude argon column 10 takes place over the line 18 an additional feed of cooling medium, preferably from the Bottom of the pressure column, not shown, removed and precooled liquid.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
Description
Claims (9)
- Verfahren zur Gewinnung von Argon, bei dem verdichtete, vorgereinigte und abgekühlte Luft in einem Rektifiziersystem mit mindestens einer Rektifizier-säule und einer Rohargonsäule zerlegt wird, wobei ein in einer mit Rektifiziereinrichtungen ausgerüstete Niederdrucksäule des Rektifiziersystems gebildetes und in die mit Rektifiziereinrichtungen und einem Kopfkondensator ausgerüstete Rohargonsäule eingespeistes Argon-Sauerstoff-Gemisch zu Rohargon-Kopfprodukt und Sumpfflüssigkeit zerlegt wird,
gekennzeichnet dadurch, dass in der Niederdrucksäule (1) eine separate Rektifizierung des Argon-Sauerstoff-Gemisches unter Verwendung von Rücklaufflüssigkeit der Rohargonsäule (10) erfolgt. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass das in der Argon-Sauerstoff-Vortrennung (4) der Niederdrucksäule (1) das Argon-Sauerstoff-Gasgemisch bis zu einem Argon-Anteil von 80 Vol.-% zerlegt wird. - Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, dass in der Niederdrucksäule (1) die Argon-Sauerstoff-Vortrennung (4) und Stickstoff-Sauerstoff-Trennung (5) unter annähernd gleichen Temperatur- und Druckverhältnissen erfolgen. - Vorrichtung zur Gewinnung von Argon nach einem der Ansprüche 1 bis 3 mit einem Rektifiziersystem mit mindestens einer Rektifiziersäule und einer Rohargonsäule, wobei die Rektifiziersäule im wesentlichen aus mindestens einer mit einer Drucksäule durch einen Hauptkondensator thermisch gekoppelten und mit unterschiedlich angeordneten geordneten Packungen und/oder Füllkörpern ausgerüsteten Niederdrucksäule besteht, welche mittels Produktleitungen mit der konventionelle Böden und/oder geordnete Packungen und/oder Füllkörper und einen Kopfkondensator aufweisenden Rohargonsäule verbunden ist,
dadurch gekennzeichnet, dass die Niederdrucksäule (1) eine Argon-Sauerstoff-Vortrennung (4) und eine Stickstoff-Sauerstoff-Trennung (5) aufweist. - Vorrichtung nach Anspruch 4,
dadurch gekennzeichnet, dass die Argon-Sauerstoff-Vortrennung (4) und die Stickstoff-Sauerstoff-Trennung (5) in der gleichen Sektion der Niederdrucksäule (1) angeordnet sind. - Vorrichtung nach Anspruch 4 oder 5,
gekennzeichnet dadurch, dass die Argon-Sauerstoff-Vortrennung (4) die Stickstoff-Sauerstoff-Trennung (5) vorzugsweise umschließt. - Vorrichtung nach Anspruch 6,
dadurch gekennzeichnet, dass die Argon-Sauerstoff-Vortrennung (4) die Stickstoff-Sauerstoff-Trennung (5) vorzugsweise konzentrisch umschließt. - Vorrichtung nach einem der Ansprüche 4 bis 7,
dadurch gekennzeichnet, dass die Argon-Sauerstoff-Vortrennung (4) und die Stickstoff-Sauerstoff-Trennung (5) in ihrem oberen Bereich mittels einer Trennwand (3) voneinander und von einer oberhalb angeordneten Sektion der Niederdrucksäule (1) gasdicht abgetrennt angeordnet sind. - Vorrichtung nach einem der Ansprüche 4 bis 8,
gekennzeichnet dadurch, dass die Niederdrucksäule (1) einen konstanten Säulen-Durchmesser aufweist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10028866 | 2000-06-10 | ||
DE2000128866 DE10028866A1 (de) | 2000-06-10 | 2000-06-10 | Verfahren und Vorrichtung zur Gewinnung von Argon |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1162423A2 true EP1162423A2 (de) | 2001-12-12 |
EP1162423A3 EP1162423A3 (de) | 2002-06-12 |
Family
ID=7645420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01113970A Withdrawn EP1162423A3 (de) | 2000-06-10 | 2001-06-08 | Verfahren und Vorrichtung zur Gewinnung von Argon |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1162423A3 (de) |
DE (1) | DE10028866A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013131559A1 (en) | 2012-03-06 | 2013-09-12 | Air Products And Chemicals, Inc. | Structured packing |
CN104165495A (zh) * | 2014-06-11 | 2014-11-26 | 西亚特工业气体工程(杭州)有限公司 | 富氧助燃技术新工艺 |
WO2021076226A1 (en) * | 2019-10-17 | 2021-04-22 | Praxair Technology, Inc. | System and method for the production of argon in an air separation plant facility or enclave having multiple cryogenic air separation units |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5339648A (en) * | 1993-08-05 | 1994-08-23 | Praxair Technology, Inc. | Distillation system with partitioned column |
EP0881445A1 (de) * | 1997-05-30 | 1998-12-02 | Praxair Technology, Inc. | Kryogenisches Rektifikationssystem zur Herstellung von Sauerstoff verschiedener Reinheitsgrade mit geteilter Säule |
US5901574A (en) * | 1996-02-14 | 1999-05-11 | Linde Aktiengesellschaft | Device and process for evaporating a liquid |
US6023945A (en) * | 1998-08-05 | 2000-02-15 | Praxair Technology, Inc. | Annular column for cryogenic rectification |
EP1108965A1 (de) * | 1999-12-13 | 2001-06-20 | Air Products And Chemicals, Inc. | Mehrkomponenten-Fluid-Destillationsverfahren zur Herstellung eines Argon-angereicherten Stroms in einem Tieftemperaturluftzerlegungsverfahren |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59503817D1 (de) * | 1994-02-23 | 1998-11-12 | Giacomini Spa | Hydraulische Kopplung |
CA2142317A1 (en) * | 1994-02-24 | 1995-08-25 | Anton Moll | Process and apparatus for the recovery of pure argon |
-
2000
- 2000-06-10 DE DE2000128866 patent/DE10028866A1/de not_active Ceased
-
2001
- 2001-06-08 EP EP01113970A patent/EP1162423A3/de not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5339648A (en) * | 1993-08-05 | 1994-08-23 | Praxair Technology, Inc. | Distillation system with partitioned column |
US5901574A (en) * | 1996-02-14 | 1999-05-11 | Linde Aktiengesellschaft | Device and process for evaporating a liquid |
EP0881445A1 (de) * | 1997-05-30 | 1998-12-02 | Praxair Technology, Inc. | Kryogenisches Rektifikationssystem zur Herstellung von Sauerstoff verschiedener Reinheitsgrade mit geteilter Säule |
US6023945A (en) * | 1998-08-05 | 2000-02-15 | Praxair Technology, Inc. | Annular column for cryogenic rectification |
EP1108965A1 (de) * | 1999-12-13 | 2001-06-20 | Air Products And Chemicals, Inc. | Mehrkomponenten-Fluid-Destillationsverfahren zur Herstellung eines Argon-angereicherten Stroms in einem Tieftemperaturluftzerlegungsverfahren |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013131559A1 (en) | 2012-03-06 | 2013-09-12 | Air Products And Chemicals, Inc. | Structured packing |
CN104165495A (zh) * | 2014-06-11 | 2014-11-26 | 西亚特工业气体工程(杭州)有限公司 | 富氧助燃技术新工艺 |
CN104165495B (zh) * | 2014-06-11 | 2016-04-20 | 西亚特工业气体科技(杭州)有限公司 | 富氧助燃技术新工艺 |
WO2021076226A1 (en) * | 2019-10-17 | 2021-04-22 | Praxair Technology, Inc. | System and method for the production of argon in an air separation plant facility or enclave having multiple cryogenic air separation units |
US11713921B2 (en) | 2019-10-17 | 2023-08-01 | Praxair Technology, Inc. | System and method for the production of argon in an air separation plant facility or enclave having multiple cryogenic air separation units |
Also Published As
Publication number | Publication date |
---|---|
EP1162423A3 (de) | 2002-06-12 |
DE10028866A1 (de) | 2001-12-20 |
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