FR2280043A1 - Procede et appareillage de separation des constituants de l'air par cryogenie - Google Patents
Procede et appareillage de separation des constituants de l'air par cryogenieInfo
- Publication number
- FR2280043A1 FR2280043A1 FR7519935A FR7519935A FR2280043A1 FR 2280043 A1 FR2280043 A1 FR 2280043A1 FR 7519935 A FR7519935 A FR 7519935A FR 7519935 A FR7519935 A FR 7519935A FR 2280043 A1 FR2280043 A1 FR 2280043A1
- Authority
- FR
- France
- Prior art keywords
- cryogeny
- constituents
- separating
- air
- 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.)
- Granted
Links
- 239000000470 constituent Substances 0.000 title 1
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
- F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
- F25J3/04163—Hot end purification of the feed air
- F25J3/04169—Hot end purification of the feed air by adsorption of the impurities
-
- 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
- F25J3/04163—Hot end purification of the feed 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
- F25J3/04248—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
- F25J3/04406—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
- F25J3/04763—Start-up or control of the process; Details of the apparatus used
- F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
- F25J3/04854—Safety aspects of operation
-
- 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
- F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
- F25J3/04854—Safety aspects of operation
- F25J3/0486—Safety aspects of operation of vaporisers for oxygen enriched liquids, e.g. purging of liquids
-
- 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
- F25J2205/04—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum in the feed line, i.e. upstream of the fractionation step
-
- 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
- F25J2205/24—Processes or apparatus using other separation and/or other processing means using regenerators, cold accumulators or reversible heat exchangers
-
- 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
- F25J2205/60—Processes or apparatus using other separation and/or other processing means using adsorption on solid adsorbents, e.g. by temperature-swing adsorption [TSA] at the hot or cold end
-
- 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
- F25J2250/52—One fluid being oxygen enriched compared to air, e.g. "crude oxygen"
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)
- Drying Of Gases (AREA)
- Separation Of Gases By Adsorption (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/490,639 US3967464A (en) | 1974-07-22 | 1974-07-22 | Air separation process and system utilizing pressure-swing driers |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2280043A1 true FR2280043A1 (fr) | 1976-02-20 |
FR2280043B1 FR2280043B1 (fr) | 1979-04-13 |
Family
ID=23948893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7519935A Granted FR2280043A1 (fr) | 1974-07-22 | 1975-06-25 | Procede et appareillage de separation des constituants de l'air par cryogenie |
Country Status (9)
Country | Link |
---|---|
US (1) | US3967464A (fr) |
JP (1) | JPS5149194A (fr) |
BE (1) | BE830856A (fr) |
BR (1) | BR7504565A (fr) |
CA (1) | CA1020080A (fr) |
DE (1) | DE2532099B2 (fr) |
FR (1) | FR2280043A1 (fr) |
GB (1) | GB1507187A (fr) |
NL (1) | NL7508750A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2684089A1 (fr) * | 1991-11-26 | 1993-05-28 | Air Liquide | Procede de production combinee et a debits reglables d'azote et d'oxygene. |
Families Citing this family (82)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2535488A1 (de) * | 1975-08-08 | 1977-02-10 | Linde Ag | Verfahren und vorrichtung zur tieftemperaturzerlegung von luft |
JPS54103778A (en) * | 1978-02-03 | 1979-08-15 | Hitachi Ltd | Air separator pretreatment and apparatus therefor |
NZ190528A (en) * | 1978-05-25 | 1983-07-29 | New Zealand Ind Gases | Separation of air |
JPS576282A (en) * | 1980-06-14 | 1982-01-13 | Kobe Steel Ltd | Air separator |
GB2080929B (en) * | 1980-07-22 | 1984-02-08 | Air Prod & Chem | Producing gaseous oxygen |
US4439213A (en) * | 1981-12-30 | 1984-03-27 | The C. M. Kemp Manufacturing Co. | Nitrogen generation system |
US4472178A (en) * | 1983-07-05 | 1984-09-18 | Air Products And Chemicals, Inc. | Adsorptive process for the removal of carbon dioxide from a gas |
DE3336427A1 (de) * | 1983-10-06 | 1985-04-18 | Linde Ag, 6200 Wiesbaden | Verfahren und vorrichtung zum regenerieren von adsorbern |
US4557735A (en) * | 1984-02-21 | 1985-12-10 | Union Carbide Corporation | Method for preparing air for separation by rectification |
JPS61190277A (ja) * | 1985-02-16 | 1986-08-23 | 大同酸素株式会社 | 高純度窒素および酸素ガス製造装置 |
US4617182A (en) * | 1985-08-26 | 1986-10-14 | Air Products And Chemicals, Inc. | Cascade heat recovery with coproduct gas production |
JPS62102074A (ja) * | 1985-10-30 | 1987-05-12 | 株式会社日立製作所 | ガス分離方法及び装置 |
US4812147A (en) * | 1985-11-08 | 1989-03-14 | Union Carbide Corporation | Multicomponent adsorption process |
US4702749A (en) * | 1986-06-24 | 1987-10-27 | Air Products And Chemicals, Inc. | Technique for surface oxidation of activated carbon |
US4732580A (en) * | 1986-10-01 | 1988-03-22 | The Boc Group, Inc. | Argon and nitrogen coproduction process |
US4861361A (en) * | 1988-09-27 | 1989-08-29 | The Boc Group, Inc. | Argon and nitrogen coproduction process |
US4931070A (en) * | 1989-05-12 | 1990-06-05 | Union Carbide Corporation | Process and system for the production of dry, high purity nitrogen |
US5116396A (en) * | 1989-05-12 | 1992-05-26 | Union Carbide Industrial Gases Technology Corporation | Hybrid prepurifier for cryogenic air separation plants |
US4934148A (en) * | 1989-05-12 | 1990-06-19 | Union Carbide Corporation | Dry, high purity nitrogen production process and system |
US5004482A (en) * | 1989-05-12 | 1991-04-02 | Union Carbide Corporation | Production of dry, high purity nitrogen |
FR2661841B1 (fr) * | 1990-05-09 | 1992-07-17 | Air Liquide | Procede et appareil d'epuration par adsorption d'air destine a etre distille. |
GB9015377D0 (en) * | 1990-07-12 | 1990-08-29 | Boc Group Plc | Air separation |
US5425240A (en) * | 1992-10-01 | 1995-06-20 | The Boc Group, Inc. | Purification of oxygen by cryogenic adsorption |
US5321953A (en) * | 1993-05-10 | 1994-06-21 | Praxair Technology, Inc. | Cryogenic rectification system with prepurifier feed chiller |
US5463869A (en) * | 1994-08-12 | 1995-11-07 | Air Products And Chemicals, Inc. | Integrated adsorption/cryogenic distillation process for the separation of an air feed |
US5571309A (en) * | 1995-07-28 | 1996-11-05 | The Boc Group, Inc. | Adsorption process |
US5989314A (en) * | 1995-09-26 | 1999-11-23 | Praxair Technology, Inc. | Pressure swing adsorption air prepurifier |
US5614000A (en) * | 1995-10-04 | 1997-03-25 | Air Products And Chemicals, Inc. | Purification of gases using solid adsorbents |
CA2274318A1 (fr) * | 1999-06-10 | 2000-12-10 | Questor Industries Inc. | Adsorption modulee en pression avec machine a compression axiale ou centrifuge |
GB2402736B (en) * | 2003-06-13 | 2007-04-11 | Aircontrol Technologies Ltd | Air environment control system |
US20080216511A1 (en) * | 2007-03-09 | 2008-09-11 | Henry Edward Howard | Nitrogen production method and apparatus |
US7591985B2 (en) * | 2007-05-31 | 2009-09-22 | Metaloid Precursors, Inc. | Method for purifying germanium hydrides |
WO2009064569A1 (fr) * | 2007-11-12 | 2009-05-22 | Exxonmobil Upstream Research Company | Procédé de production et d'utilisation d'un gaz pour machines |
MY158840A (en) | 2008-04-30 | 2016-11-15 | Exxonmobil Upstream Res Co | Method and apparatus for removal of oil from utility gas stream |
US8157893B2 (en) * | 2009-06-16 | 2012-04-17 | Uop Llc | Apparatus and process for isomerizing a hydrocarbon stream |
US8163068B2 (en) * | 2009-06-16 | 2012-04-24 | Uop Llc | Apparatus and process for isomerizing a hydrocarbon stream |
US8163067B2 (en) * | 2009-06-16 | 2012-04-24 | Uop Llc | Apparatus and process for isomerizing a hydrogen stream |
FR2949553B1 (fr) * | 2009-09-02 | 2013-01-11 | Air Liquide | Procede de production d'au moins un gaz pauvre en co2 et d'un ou plusieurs fluides riches en co2 |
US8062613B2 (en) | 2009-09-16 | 2011-11-22 | Uop Llc | Apparatus and process for isomerizing a hydrocarbon stream |
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WO2011061459A2 (fr) * | 2009-11-23 | 2011-05-26 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Procede et appareil de compression et de refroidissement d'air |
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IT1400370B1 (it) | 2010-05-31 | 2013-05-31 | Nuova Pignone S R L | Metodo e dispositivo per recuperare gas naturali liquefatti ngl |
TWI495501B (zh) | 2010-11-15 | 2015-08-11 | Exxonmobil Upstream Res Co | 動力分餾器及用於氣體混合物之分餾的循環法 |
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EA201391255A1 (ru) | 2011-03-01 | 2014-02-28 | Эксонмобил Апстрим Рисерч Компани | Устройства и системы, имеющие компактную конфигурацию многочисленных слоев для цикловой адсорбции, и связанные с этим способы |
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US11433346B2 (en) | 2019-10-16 | 2022-09-06 | Exxonmobil Upstream Research Company | Dehydration processes utilizing cationic zeolite RHO |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3210950A (en) * | 1960-09-26 | 1965-10-12 | Air Prod & Chem | Separation of gaseous mixtures |
US3564816A (en) * | 1968-12-30 | 1971-02-23 | Union Carbide Corp | Selective adsorption process |
-
1974
- 1974-07-22 US US05/490,639 patent/US3967464A/en not_active Expired - Lifetime
-
1975
- 1975-06-11 CA CA229,129A patent/CA1020080A/en not_active Expired
- 1975-06-23 GB GB26585/75A patent/GB1507187A/en not_active Expired
- 1975-06-25 FR FR7519935A patent/FR2280043A1/fr active Granted
- 1975-06-30 BE BE157865A patent/BE830856A/fr unknown
- 1975-07-10 JP JP50084052A patent/JPS5149194A/ja active Pending
- 1975-07-18 DE DE752532099A patent/DE2532099B2/de not_active Withdrawn
- 1975-07-18 BR BR7504565*A patent/BR7504565A/pt unknown
- 1975-07-22 NL NL7508750A patent/NL7508750A/xx not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2684089A1 (fr) * | 1991-11-26 | 1993-05-28 | Air Liquide | Procede de production combinee et a debits reglables d'azote et d'oxygene. |
WO1993011395A1 (fr) * | 1991-11-26 | 1993-06-10 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Procede de production combinee et a debits reglables d'azote et d'oxygene |
US5421163A (en) * | 1991-11-26 | 1995-06-06 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process for the combined production of nitrogen and oxygen with adjustable flows |
Also Published As
Publication number | Publication date |
---|---|
BR7504565A (pt) | 1976-07-06 |
NL7508750A (nl) | 1976-01-26 |
BE830856A (fr) | 1975-10-16 |
JPS5149194A (fr) | 1976-04-28 |
CA1020080A (en) | 1977-11-01 |
FR2280043B1 (fr) | 1979-04-13 |
DE2532099B2 (de) | 1979-03-01 |
GB1507187A (en) | 1978-04-12 |
US3967464A (en) | 1976-07-06 |
DE2532099A1 (de) | 1976-02-12 |
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