ES2092716T3 - Sistema de rectificacion criogenica con triple columna. - Google Patents
Sistema de rectificacion criogenica con triple columna.Info
- Publication number
- ES2092716T3 ES2092716T3 ES93106323T ES93106323T ES2092716T3 ES 2092716 T3 ES2092716 T3 ES 2092716T3 ES 93106323 T ES93106323 T ES 93106323T ES 93106323 T ES93106323 T ES 93106323T ES 2092716 T3 ES2092716 T3 ES 2092716T3
- Authority
- ES
- Spain
- Prior art keywords
- rectification system
- cryogenic rectification
- triple column
- triple
- column
- 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.)
- Expired - Lifetime
Links
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
-
- 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
- F25J3/04709—Producing crude argon in a crude argon column as an auxiliary column system in at least a dual pressure main column system
- F25J3/04715—The auxiliary column system simultaneously produces oxygen
-
- 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
- F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
- F25J3/04078—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression
- F25J3/0409—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression of oxygen
-
- 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
- F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
- F25J3/04187—Cooling of the purified feed air by recuperative heat-exchange; Heat-exchange with product streams
- F25J3/04193—Division of the main heat exchange line in consecutive sections having different functions
- F25J3/04206—Division of the main heat exchange line in consecutive sections having different functions including a so-called "auxiliary vaporiser" for vaporising and producing a gaseous product
- F25J3/04212—Division of the main heat exchange line in consecutive sections having different functions including a so-called "auxiliary vaporiser" for vaporising and producing a gaseous product and simultaneously condensing vapor from a column serving as reflux within the or another column
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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
- F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
- F25J3/04284—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams
- F25J3/04309—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams of nitrogen
-
- 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
- F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
- F25J3/04333—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams
- F25J3/04351—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams of nitrogen
-
- 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
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/08—Processes or apparatus using separation by rectification in a triple pressure main column system
-
- 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
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/50—Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the 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
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/50—Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column
- F25J2200/54—Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column in the low pressure column of a double pressure main column system
-
- 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
- F25J2205/00—Processes or apparatus using other separation and/or other processing means
- F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
-
- 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
- F25J2245/00—Processes or apparatus involving steps for recycling of process streams
- F25J2245/42—Processes or apparatus involving steps for recycling of process streams the recycled stream being nitrogen
-
- 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
- F25J2245/00—Processes or apparatus involving steps for recycling of process streams
- F25J2245/50—Processes or apparatus involving steps for recycling of process streams the recycled stream being oxygen
-
- 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
- F25J2250/00—Details related to the use of reboiler-condensers
- F25J2250/30—External or auxiliary boiler-condenser in general, e.g. without a specified fluid or one fluid is not a primary air component or an intermediate fluid
- F25J2250/42—One fluid being nitrogen
-
- 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
- F25J2250/00—Details related to the use of reboiler-condensers
- F25J2250/30—External or auxiliary boiler-condenser in general, e.g. without a specified fluid or one fluid is not a primary air component or an intermediate fluid
- F25J2250/50—One fluid being oxygen
-
- 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
- F25J2250/00—Details related to the use of reboiler-condensers
- F25J2250/30—External or auxiliary boiler-condenser in general, e.g. without a specified fluid or one fluid is not a primary air component or an intermediate fluid
- F25J2250/58—One fluid being argon or crude argon
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S62/00—Refrigeration
- Y10S62/90—Triple column
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S62/00—Refrigeration
- Y10S62/923—Inert gas
- Y10S62/924—Argon
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
SE DESCRIBE UN SISTEMA DE RECTIFICACION DE UNA TRIPLE COLUMNA DE CRIOGENO DIRECTAMENTE SECUENCIADA,EN EL QUE EL FLUJO DE MATERIAL ES UNIDIRECCIONAL DESDE UNA MAYOR A UNA MENOR PRESION A TRAVES DEL SISTEMA, POSIBILITANDO UNA ALTA PROTECCION DE CADA UNO DE LOS TRES COMPONENTES PRINCIPALES DEL AIRE SUMINISTRADO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/871,031 US5245832A (en) | 1992-04-20 | 1992-04-20 | Triple column cryogenic rectification system |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2092716T3 true ES2092716T3 (es) | 1996-12-01 |
Family
ID=25356564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES93106323T Expired - Lifetime ES2092716T3 (es) | 1992-04-20 | 1993-04-19 | Sistema de rectificacion criogenica con triple columna. |
Country Status (10)
Country | Link |
---|---|
US (1) | US5245832A (es) |
EP (1) | EP0567047B1 (es) |
JP (1) | JPH0618164A (es) |
KR (1) | KR0164869B1 (es) |
CN (1) | CN1083581A (es) |
BR (1) | BR9301590A (es) |
CA (1) | CA2094315C (es) |
DE (1) | DE69304977T2 (es) |
ES (1) | ES2092716T3 (es) |
MX (1) | MX9302266A (es) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9213776D0 (en) * | 1992-06-29 | 1992-08-12 | Boc Group Plc | Air separation |
EP0636845B1 (en) * | 1993-04-30 | 1999-07-28 | The BOC Group plc | Air separation |
GB9405071D0 (en) * | 1993-07-05 | 1994-04-27 | Boc Group Plc | Air separation |
US5341646A (en) * | 1993-07-15 | 1994-08-30 | Air Products And Chemicals, Inc. | Triple column distillation system for oxygen and pressurized nitrogen production |
US5386692A (en) * | 1994-02-08 | 1995-02-07 | Praxair Technology, Inc. | Cryogenic rectification system with hybrid product boiler |
US5402647A (en) * | 1994-03-25 | 1995-04-04 | Praxair Technology, Inc. | Cryogenic rectification system for producing elevated pressure nitrogen |
US5456083A (en) * | 1994-05-26 | 1995-10-10 | The Boc Group, Inc. | Air separation apparatus and method |
US5440884A (en) * | 1994-07-14 | 1995-08-15 | Praxair Technology, Inc. | Cryogenic air separation system with liquid air stripping |
US5463871A (en) * | 1994-10-04 | 1995-11-07 | Praxair Technology, Inc. | Side column cryogenic rectification system for producing lower purity oxygen |
US5513497A (en) * | 1995-01-20 | 1996-05-07 | Air Products And Chemicals, Inc. | Separation of fluid mixtures in multiple distillation columns |
US5582036A (en) * | 1995-08-30 | 1996-12-10 | Praxair Technology, Inc. | Cryogenic air separation blast furnace system |
US5628207A (en) * | 1996-04-05 | 1997-05-13 | Praxair Technology, Inc. | Cryogenic Rectification system for producing lower purity gaseous oxygen and high purity oxygen |
US5596886A (en) * | 1996-04-05 | 1997-01-28 | Praxair Technology, Inc. | Cryogenic rectification system for producing gaseous oxygen and high purity nitrogen |
US5682762A (en) * | 1996-10-01 | 1997-11-04 | Air Products And Chemicals, Inc. | Process to produce high pressure nitrogen using a high pressure column and one or more lower pressure columns |
US5765396A (en) * | 1997-03-19 | 1998-06-16 | Praxair Technology, Inc. | Cryogenic rectification system for producing high pressure nitrogen and high pressure oxygen |
FR2778233B1 (fr) * | 1998-04-30 | 2000-06-02 | Air Liquide | Installation de distillation d'air et boite froide correspondante |
US5934104A (en) * | 1998-06-02 | 1999-08-10 | Air Products And Chemicals, Inc. | Multiple column nitrogen generators with oxygen coproduction |
US5896755A (en) * | 1998-07-10 | 1999-04-27 | Praxair Technology, Inc. | Cryogenic rectification system with modular cold boxes |
US6276170B1 (en) | 1999-05-25 | 2001-08-21 | Air Liquide Process And Construction | Cryogenic distillation system for air separation |
US6202441B1 (en) | 1999-05-25 | 2001-03-20 | Air Liquide Process And Construction, Inc. | Cryogenic distillation system for air separation |
US6347534B1 (en) | 1999-05-25 | 2002-02-19 | Air Liquide Process And Construction | Cryogenic distillation system for air separation |
US6196024B1 (en) | 1999-05-25 | 2001-03-06 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Cryogenic distillation system for air separation |
US6263700B1 (en) | 1999-09-03 | 2001-07-24 | Air Products And Chemicals, Inc. | Multieffect distillation for multicomponent separation |
US6173584B1 (en) | 1999-09-03 | 2001-01-16 | Air Products And Chemicals, Inc. | Multieffect distillation |
FR2807150B1 (fr) * | 2000-04-04 | 2002-10-18 | Air Liquide | Procede et appareil de production d'un fluide enrichi en oxygene par distillation cryogenique |
US6318120B1 (en) * | 2000-08-11 | 2001-11-20 | L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Cryogenic distillation system for air separation |
DE10113790A1 (de) * | 2001-03-21 | 2002-09-26 | Linde Ag | Drei-Säulen-System zur Tieftemperatur-Luftzerlegung |
US6536234B1 (en) | 2002-02-05 | 2003-03-25 | Praxair Technology, Inc. | Three column cryogenic air separation system with dual pressure air feeds |
DE10392525B4 (de) * | 2002-04-11 | 2012-08-09 | Richard A. Haase | Verfahren, Prozesse, Systeme und Vorrichtung mit Wasserverbrennungstechnologie zur Verbrennung von Wasserstoff und Sauerstoff |
US8268269B2 (en) | 2006-01-24 | 2012-09-18 | Clearvalue Technologies, Inc. | Manufacture of water chemistries |
US9421476B2 (en) * | 2010-04-21 | 2016-08-23 | Saudi Basic Industries Corporation | Distillation process and multi-column heat-integrated distillation system |
US9726427B1 (en) * | 2010-05-19 | 2017-08-08 | Cosmodyne, LLC | Liquid nitrogen production |
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FR980658A (fr) * | 1948-02-12 | 1951-05-16 | British Oxygen Co Ltd | Procédé de séparation fractionnée de l'air |
DE821654C (de) * | 1950-10-07 | 1951-11-19 | Adolf Messer G M B H | Verfahren zur Gewinnung von Rein-Argon |
DE1922956B1 (de) * | 1969-05-06 | 1970-11-26 | Hoechst Ag | Verfahren zur Erzeugung von argonfreiem Sauerstoff durch Rektifikation von Luft |
US4433990A (en) * | 1981-12-08 | 1984-02-28 | Union Carbide Corporation | Process to recover argon from oxygen-only air separation plant |
US4507134A (en) * | 1983-06-02 | 1985-03-26 | Kabushiki Kaisha Kobe Seiko Sho | Air fractionation method |
US4781739A (en) * | 1984-08-20 | 1988-11-01 | Erickson Donald C | Low energy high purity oxygen increased delivery pressure |
US4578095A (en) * | 1984-08-20 | 1986-03-25 | Erickson Donald C | Low energy high purity oxygen plus argon |
US4705548A (en) * | 1986-04-25 | 1987-11-10 | Air Products And Chemicals, Inc. | Liquid products using an air and a nitrogen recycle liquefier |
US4783209A (en) * | 1986-07-02 | 1988-11-08 | Erickson Donald C | Cryogenic air distillation with companded nitrogen refrigeration |
GB8620754D0 (en) * | 1986-08-28 | 1986-10-08 | Boc Group Plc | Air separation |
ES2032012T3 (es) * | 1987-04-07 | 1993-01-01 | The Boc Group Plc | Separacion de aire. |
US4755202A (en) * | 1987-07-28 | 1988-07-05 | Union Carbide Corporation | Process and apparatus to produce ultra high purity oxygen from a gaseous feed |
GB8800842D0 (en) * | 1988-01-14 | 1988-02-17 | Boc Group Plc | Air separation |
US4838913A (en) * | 1988-02-10 | 1989-06-13 | Union Carbide Corporation | Double column air separation process with hybrid upper column |
US4822395A (en) * | 1988-06-02 | 1989-04-18 | Union Carbide Corporation | Air separation process and apparatus for high argon recovery and moderate pressure nitrogen recovery |
EP0383994A3 (de) * | 1989-02-23 | 1990-11-07 | Linde Aktiengesellschaft | Verfahren und Vorrichtung zur Luftzerlegung durch Rektifikation |
US5019144A (en) * | 1990-01-23 | 1991-05-28 | Union Carbide Industrial Gases Technology Corporation | Cryogenic air separation system with hybrid argon column |
US5049173A (en) * | 1990-03-06 | 1991-09-17 | Air Products And Chemicals, Inc. | Production of ultra-high purity oxygen from cryogenic air separation plants |
US5098456A (en) * | 1990-06-27 | 1992-03-24 | Union Carbide Industrial Gases Technology Corporation | Cryogenic air separation system with dual feed air side condensers |
US5100448A (en) * | 1990-07-20 | 1992-03-31 | Union Carbide Industrial Gases Technology Corporation | Variable density structured packing cryogenic distillation system |
US5114449A (en) * | 1990-08-28 | 1992-05-19 | Air Products And Chemicals, Inc. | Enhanced recovery of argon from cryogenic air separation cycles |
-
1992
- 1992-04-20 US US07/871,031 patent/US5245832A/en not_active Expired - Fee Related
-
1993
- 1993-04-19 BR BR9301590A patent/BR9301590A/pt not_active IP Right Cessation
- 1993-04-19 JP JP5114173A patent/JPH0618164A/ja active Pending
- 1993-04-19 EP EP93106323A patent/EP0567047B1/en not_active Expired - Lifetime
- 1993-04-19 CN CN93105705A patent/CN1083581A/zh active Pending
- 1993-04-19 CA CA002094315A patent/CA2094315C/en not_active Expired - Fee Related
- 1993-04-19 MX MX9302266A patent/MX9302266A/es unknown
- 1993-04-19 ES ES93106323T patent/ES2092716T3/es not_active Expired - Lifetime
- 1993-04-19 KR KR1019930006524A patent/KR0164869B1/ko not_active IP Right Cessation
- 1993-04-19 DE DE69304977T patent/DE69304977T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0567047A1 (en) | 1993-10-27 |
EP0567047B1 (en) | 1996-09-25 |
CN1083581A (zh) | 1994-03-09 |
DE69304977D1 (de) | 1996-10-31 |
DE69304977T2 (de) | 1997-04-10 |
US5245832A (en) | 1993-09-21 |
MX9302266A (es) | 1994-07-29 |
CA2094315C (en) | 1996-06-18 |
CA2094315A1 (en) | 1993-10-21 |
KR0164869B1 (ko) | 1999-01-15 |
BR9301590A (pt) | 1993-10-26 |
JPH0618164A (ja) | 1994-01-25 |
KR930022039A (ko) | 1993-11-23 |
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