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FR2652887B1 - Procede et installation de production d'oxygene gazeux a debit variable par distillation d'air. - Google Patents

Procede et installation de production d'oxygene gazeux a debit variable par distillation d'air.

Info

Publication number
FR2652887B1
FR2652887B1 FR8913159A FR8913159A FR2652887B1 FR 2652887 B1 FR2652887 B1 FR 2652887B1 FR 8913159 A FR8913159 A FR 8913159A FR 8913159 A FR8913159 A FR 8913159A FR 2652887 B1 FR2652887 B1 FR 2652887B1
Authority
FR
France
Prior art keywords
plant
production
variable flow
gas oxygen
flow gas
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 - Fee Related
Application number
FR8913159A
Other languages
English (en)
Other versions
FR2652887A1 (fr
Inventor
Bernard Darredeau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide SA
Original Assignee
Air Liquide SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9386209&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FR2652887(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Air Liquide SA filed Critical Air Liquide SA
Priority to FR8913159A priority Critical patent/FR2652887B1/fr
Priority to US07/584,241 priority patent/US5082482A/en
Priority to ES199090402596T priority patent/ES2037535T3/es
Priority to EP90402596A priority patent/EP0422974B1/fr
Priority to DE9090402596T priority patent/DE69000903T2/de
Priority to AT90402596T priority patent/ATE85696T1/de
Priority to JP02263965A priority patent/JP3117702B2/ja
Priority to CA002027071A priority patent/CA2027071C/fr
Priority to ZA908000A priority patent/ZA908000B/xx
Priority to AU63882/90A priority patent/AU625950B2/en
Publication of FR2652887A1 publication Critical patent/FR2652887A1/fr
Publication of FR2652887B1 publication Critical patent/FR2652887B1/fr
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • F25J3/0429—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 feed air, e.g. used as waste or product air or expanded into an auxiliary column
    • F25J3/04303—Lachmann expansion, i.e. expanded into oxygen producing or low 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
    • F25J3/04406—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
    • F25J3/04472—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 the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages
    • F25J3/04496—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 the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist
    • F25J3/04503—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 the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist by exchanging "cold" between at least two different cryogenic liquids, e.g. independently from the main heat exchange line of the air fractionation and/or by using external alternating storage systems
    • F25J3/04509—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 the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist by exchanging "cold" between at least two different cryogenic liquids, e.g. independently from the main heat exchange line of the air fractionation and/or by using external alternating storage systems within the cold part of the air fractionation, i.e. exchanging "cold" within the fractionation and/or main heat exchange line
    • F25J3/04515—Simultaneously changing air feed and products output
    • 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
    • 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
    • F25J2250/40—One fluid being 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
    • 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
    • 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
    • Y10S62/939—Partial feed stream expansion, air

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)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR8913159A 1989-10-09 1989-10-09 Procede et installation de production d'oxygene gazeux a debit variable par distillation d'air. Expired - Fee Related FR2652887B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR8913159A FR2652887B1 (fr) 1989-10-09 1989-10-09 Procede et installation de production d'oxygene gazeux a debit variable par distillation d'air.
US07/584,241 US5082482A (en) 1989-10-09 1990-09-18 Process and apparatus for the production of gaseous oxygen with a variable flow by air distillation
ES199090402596T ES2037535T3 (es) 1989-10-09 1990-09-20 Procedimiento e instalacion de produccion de oxigeno gaseoso a caudal variable por destilacion de aire.
EP90402596A EP0422974B1 (fr) 1989-10-09 1990-09-20 Procédé et installation de production d'oxygène gazeux à débit variable par distillation d'air
DE9090402596T DE69000903T2 (de) 1989-10-09 1990-09-20 Verfahren und apparat zur herstellung von sauerstoffgas mit variablen mengen durch lufttrennung.
AT90402596T ATE85696T1 (de) 1989-10-09 1990-09-20 Verfahren und apparat zur herstellung von sauerstoffgas mit variablen mengen durch lufttrennung.
JP02263965A JP3117702B2 (ja) 1989-10-09 1990-10-03 空気の精留による可変流量の酸素ガスの製造方法及びその設備
CA002027071A CA2027071C (fr) 1989-10-09 1990-10-05 Procede et installation de production d'oxygene gazeux a debit variable par distillation d'air
ZA908000A ZA908000B (en) 1989-10-09 1990-10-05 Process and apparatus for the production of gaseous oxygen with a variable flow by air distillation
AU63882/90A AU625950B2 (en) 1989-10-09 1990-10-08 Process and apparatus for the production of gaseous oxygen with a variable flow by air distillation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8913159A FR2652887B1 (fr) 1989-10-09 1989-10-09 Procede et installation de production d'oxygene gazeux a debit variable par distillation d'air.

Publications (2)

Publication Number Publication Date
FR2652887A1 FR2652887A1 (fr) 1991-04-12
FR2652887B1 true FR2652887B1 (fr) 1993-12-24

Family

ID=9386209

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8913159A Expired - Fee Related FR2652887B1 (fr) 1989-10-09 1989-10-09 Procede et installation de production d'oxygene gazeux a debit variable par distillation d'air.

Country Status (10)

Country Link
US (1) US5082482A (fr)
EP (1) EP0422974B1 (fr)
JP (1) JP3117702B2 (fr)
AT (1) ATE85696T1 (fr)
AU (1) AU625950B2 (fr)
CA (1) CA2027071C (fr)
DE (1) DE69000903T2 (fr)
ES (1) ES2037535T3 (fr)
FR (1) FR2652887B1 (fr)
ZA (1) ZA908000B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2670278B1 (fr) * 1990-12-06 1993-01-22 Air Liquide Procede et installation de distillation d'air en regime variable de production d'oxygene gazeux.
CN1071444C (zh) * 1992-02-21 2001-09-19 普拉塞尔技术有限公司 生产气体氧的低温空气分离系统
GB2274407B (en) * 1993-01-22 1996-06-12 Boc Group Plc The separation of gas mixtures
FR2706195B1 (fr) † 1993-06-07 1995-07-28 Air Liquide Procédé et unité de fourniture d'un gaz sous pression à une installation consommatrice d'un constituant de l'air.
FR2706595B1 (fr) * 1993-06-18 1995-08-18 Air Liquide Procédé et installation de production d'oxygène et/ou d'azote sous pression à débit variable.
US5471843A (en) * 1993-06-18 1995-12-05 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Process and installation for the production of oxygen and/or nitrogen under pressure at variable flow rate
US5379598A (en) * 1993-08-23 1995-01-10 The Boc Group, Inc. Cryogenic rectification process and apparatus for vaporizing a pumped liquid product
FR2723184B1 (fr) * 1994-07-29 1996-09-06 Grenier Maurice Procede et installation de production d'oxygene gazeux sous pression a debit variable
US5666823A (en) 1996-01-31 1997-09-16 Air Products And Chemicals, Inc. High pressure combustion turbine and air separation system integration
FR2751737B1 (fr) * 1996-07-25 1998-09-11 Air Liquide Procede et installation de production d'un gaz de l'air a debit variable
GB9807833D0 (en) * 1998-04-09 1998-06-10 Boc Group Plc Separation of air
GB9925097D0 (en) * 1999-10-22 1999-12-22 Boc Group Plc Air separation
US6253576B1 (en) * 1999-11-09 2001-07-03 Air Products And Chemicals, Inc. Process for the production of intermediate pressure oxygen
US6233970B1 (en) 1999-11-09 2001-05-22 Air Products And Chemicals, Inc. Process for delivery of oxygen at a variable rate
FR2842124B1 (fr) * 2002-07-09 2005-03-25 Air Liquide Procede de conduite d'une installation de production de gaz alimentee en electricite et cette installation de production
GB0219415D0 (en) * 2002-08-20 2002-09-25 Air Prod & Chem Process and apparatus for cryogenic separation process
US7228715B2 (en) * 2003-12-23 2007-06-12 L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Cryogenic air separation process and apparatus
FR2929697B1 (fr) * 2008-04-07 2010-05-07 Air Liquide Procede de production d'azote gazeux variable et d'oxygene gazeux variable par distillation d'air
US20100192629A1 (en) * 2009-01-30 2010-08-05 Richard John Jibb Oxygen product production method
US20100192628A1 (en) * 2009-01-30 2010-08-05 Richard John Jibb Apparatus and air separation plant
US8726691B2 (en) * 2009-01-30 2014-05-20 Praxair Technology, Inc. Air separation apparatus and method
FR2949845B1 (fr) * 2009-09-09 2011-12-02 Air Liquide Procede d'operation d'au moins un appareil de separation d'air et d'une unite de combustion de combustibles carbones
FR2961586B1 (fr) * 2010-06-18 2014-02-14 Air Liquide Installation et procede de separation d'air par distillation cryogenique
WO2012004241A2 (fr) * 2010-07-05 2012-01-12 L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude Appareil et procede de separation d'air par distillation cryogenique
JP6464399B2 (ja) * 2014-10-03 2019-02-06 神鋼エア・ウォーター・クライオプラント株式会社 空気分離装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250848B (de) * 1967-09-28 Linde Aktiengesellschaft, Wiesbaden Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft bei Sauerstoffabnahmeschwankungen
US2846853A (en) * 1954-06-01 1958-08-12 Union Carbide Corp High pressure scrubber liquefier in air separation systems
NL207488A (fr) * 1955-05-31
USRE25193E (en) * 1957-08-16 1962-07-03 Method and apparatus for separating gaseous mixtures
GB864855A (en) * 1958-05-19 1961-04-12 Air Prod Inc Improvements in and relating to methods and apparatus for fractionating gaseous mixtures
US3174293A (en) * 1960-11-14 1965-03-23 Linde Eismasch Ag System for providing gas separation products at varying rates
DE1112997B (de) * 1960-08-13 1961-08-24 Linde Eismasch Ag Verfahren und Einrichtung zur Gaszerlegung durch Rektifikation bei tiefer Temperatur
FR1479561A (fr) * 1966-03-25 1967-05-05 Air Liquide Procédé de preoduction d'un gaz en débit variable
DE2557453C2 (de) * 1975-12-19 1982-08-12 Linde Ag, 6200 Wiesbaden Verfahren zur Gewinnung von gasförmigem Sauerstoff
GB2080929B (en) * 1980-07-22 1984-02-08 Air Prod & Chem Producing gaseous oxygen

Also Published As

Publication number Publication date
EP0422974A1 (fr) 1991-04-17
DE69000903T2 (de) 1993-07-01
ES2037535T3 (es) 1993-06-16
CA2027071C (fr) 2000-07-18
FR2652887A1 (fr) 1991-04-12
CA2027071A1 (fr) 1991-04-10
AU625950B2 (en) 1992-07-16
US5082482A (en) 1992-01-21
AU6388290A (en) 1991-04-11
JP3117702B2 (ja) 2000-12-18
DE69000903D1 (de) 1993-03-25
EP0422974B1 (fr) 1993-02-10
JPH03134481A (ja) 1991-06-07
ZA908000B (en) 1991-08-28
ATE85696T1 (de) 1993-02-15

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