FR2711778B1 - Procédé et installation de production d'oxygène et/ou d'azote sous pression. - Google Patents
Procédé et installation de production d'oxygène et/ou d'azote sous pression.Info
- Publication number
- FR2711778B1 FR2711778B1 FR9312729A FR9312729A FR2711778B1 FR 2711778 B1 FR2711778 B1 FR 2711778B1 FR 9312729 A FR9312729 A FR 9312729A FR 9312729 A FR9312729 A FR 9312729A FR 2711778 B1 FR2711778 B1 FR 2711778B1
- Authority
- FR
- France
- Prior art keywords
- oxygen
- installation
- production
- under pressure
- nitrogen under
- 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
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
- F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
- F25J3/04375—Details relating to the work expansion, e.g. process parameter etc.
- F25J3/04381—Details relating to the work expansion, e.g. process parameter etc. using work extraction by mechanical coupling of compression and expansion so-called companders
-
- 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
- F25J3/04012—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling
- F25J3/04024—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling of purified feed air, so-called boosted 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
- F25J3/04006—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
- F25J3/04163—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
- F25J3/04248—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
- F25J3/04296—Claude expansion, i.e. expanded into the main or 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
- F25J3/04248—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
- F25J3/04375—Details relating to the work expansion, e.g. process parameter etc.
- F25J3/04393—Details relating to the work expansion, e.g. process parameter etc. using multiple or multistage gas work expansion
-
- 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
- F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
- F25J2290/12—Particular process parameters like pressure, temperature, ratios
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)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9312729A FR2711778B1 (fr) | 1993-10-26 | 1993-10-26 | Procédé et installation de production d'oxygène et/ou d'azote sous pression. |
CA002134172A CA2134172A1 (fr) | 1993-10-26 | 1994-10-24 | Procede et installation de production d'oxygene et/ou d'azote sous pression |
US08/329,321 US5515687A (en) | 1993-10-26 | 1994-10-26 | Process and installation for the production of oxygen and/or nitrogen under pressure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9312729A FR2711778B1 (fr) | 1993-10-26 | 1993-10-26 | Procédé et installation de production d'oxygène et/ou d'azote sous pression. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2711778A1 FR2711778A1 (fr) | 1995-05-05 |
FR2711778B1 true FR2711778B1 (fr) | 1995-12-08 |
Family
ID=9452201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9312729A Expired - Fee Related FR2711778B1 (fr) | 1993-10-26 | 1993-10-26 | Procédé et installation de production d'oxygène et/ou d'azote sous pression. |
Country Status (3)
Country | Link |
---|---|
US (1) | US5515687A (fr) |
CA (1) | CA2134172A1 (fr) |
FR (1) | FR2711778B1 (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9513766D0 (en) * | 1995-07-06 | 1995-09-06 | Boc Group Plc | Air separation |
US5765396A (en) * | 1997-03-19 | 1998-06-16 | Praxair Technology, Inc. | Cryogenic rectification system for producing high pressure nitrogen and high pressure oxygen |
US5829271A (en) * | 1997-10-14 | 1998-11-03 | Praxair Technology, Inc. | Cryogenic rectification system for producing high pressure oxygen |
FR2776057B1 (fr) * | 1998-03-11 | 2000-06-23 | Air Liquide | Procede et installation de separation d'air par distillation cryogenique |
DE19936816A1 (de) * | 1999-08-05 | 2001-02-08 | Linde Ag | Verfahren und Vorrichtung zur Gewinnung von Sauerstoff unter überatmosphärischem Druck |
FR2854683B1 (fr) * | 2003-05-05 | 2006-09-29 | Air Liquide | Procede et installation de production de gaz de l'air sous pression par distillation cryogenique d'air |
US20070095100A1 (en) * | 2005-11-03 | 2007-05-03 | Rankin Peter J | Cryogenic air separation process with excess turbine refrigeration |
DE102006012241A1 (de) * | 2006-03-15 | 2007-09-20 | Linde Ag | Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft |
US20080223077A1 (en) * | 2007-03-13 | 2008-09-18 | Neil Mark Prosser | Air separation method |
US10785996B2 (en) | 2015-08-25 | 2020-09-29 | Cornelius, Inc. | Apparatuses, systems, and methods for inline injection of gases into liquids |
US10477883B2 (en) | 2015-08-25 | 2019-11-19 | Cornelius, Inc. | Gas injection assemblies for batch beverages having spargers |
US11612864B2 (en) | 2016-08-05 | 2023-03-28 | Marmon Foodservice Technologies, Inc. | Apparatuses for mixing gases into liquids |
EP3343158A1 (fr) * | 2016-12-28 | 2018-07-04 | Linde Aktiengesellschaft | Procédé de production d'un ou plusieurs produits pneumatiques et unité de fractionnement d'air |
WO2019104524A1 (fr) * | 2017-11-29 | 2019-06-06 | 乔治洛德方法研究和开发液化空气有限公司 | Procédé et appareil de distillation cryogénique pour produire de l'air sous pression au moyen d'un accélérateur de détente en liaison avec un détendeur d'azote pour le freinage |
US11054182B2 (en) | 2018-05-31 | 2021-07-06 | Air Products And Chemicals, Inc. | Process and apparatus for separating air using a split heat exchanger |
US11040314B2 (en) | 2019-01-08 | 2021-06-22 | Marmon Foodservice Technologies, Inc. | Apparatuses, systems, and methods for injecting gasses into beverages |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2251931A1 (de) * | 1972-10-23 | 1974-06-12 | Mapac Maschinenbau Gmbh & Co K | Verpackungsvorrichtung |
GB1520103A (en) * | 1977-03-19 | 1978-08-02 | Air Prod & Chem | Production of liquid oxygen and/or liquid nitrogen |
DE2903089A1 (de) * | 1979-01-26 | 1980-07-31 | Linde Ag | Verfahren zur gewinnung von sauerstoff aus luft |
FR2461906A1 (fr) * | 1979-07-20 | 1981-02-06 | Air Liquide | Procede et installation cryogeniques de separation d'air avec production d'oxygene sous haute pression |
US4375367A (en) * | 1981-04-20 | 1983-03-01 | Air Products And Chemicals, Inc. | Lower power, freon refrigeration assisted air separation |
US4705548A (en) * | 1986-04-25 | 1987-11-10 | Air Products And Chemicals, Inc. | Liquid products using an air and a nitrogen recycle liquefier |
DE3738559A1 (de) * | 1987-11-13 | 1989-05-24 | Linde Ag | Verfahren zur luftzerlegung durch tieftemperaturrektifikation |
FR2652409A1 (fr) * | 1989-09-25 | 1991-03-29 | Air Liquide | Procede de production frigorifique, cycle frigorifique correspondant et leur application a la distillation d'air. |
GB9100814D0 (en) * | 1991-01-15 | 1991-02-27 | Boc Group Plc | Air separation |
JP2909678B2 (ja) * | 1991-03-11 | 1999-06-23 | レール・リキード・ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 圧力下のガス状酸素の製造方法及び製造装置 |
GB9124242D0 (en) * | 1991-11-14 | 1992-01-08 | Boc Group Plc | Air separation |
FR2690982A1 (fr) * | 1992-05-11 | 1993-11-12 | Air Liquide | Procédé et installation de production d'oxygène gazeux impur par distillation d'air. |
US5379598A (en) * | 1993-08-23 | 1995-01-10 | The Boc Group, Inc. | Cryogenic rectification process and apparatus for vaporizing a pumped liquid product |
US5355682A (en) * | 1993-09-15 | 1994-10-18 | Air Products And Chemicals, Inc. | Cryogenic air separation process producing elevated pressure nitrogen by pumped liquid nitrogen |
US5355681A (en) * | 1993-09-23 | 1994-10-18 | Air Products And Chemicals, Inc. | Air separation schemes for oxygen and nitrogen coproduction as gas and/or liquid products |
-
1993
- 1993-10-26 FR FR9312729A patent/FR2711778B1/fr not_active Expired - Fee Related
-
1994
- 1994-10-24 CA CA002134172A patent/CA2134172A1/fr not_active Abandoned
- 1994-10-26 US US08/329,321 patent/US5515687A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5515687A (en) | 1996-05-14 |
CA2134172A1 (fr) | 1995-04-27 |
FR2711778A1 (fr) | 1995-05-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2721383B1 (fr) | Procédé et installation de production d'oxygène gazeux sous pression. | |
FR2711778B1 (fr) | Procédé et installation de production d'oxygène et/ou d'azote sous pression. | |
FR2699992B1 (fr) | Procédé et installation de production d'oxygène gazeux sous pression. | |
HK1026475A1 (en) | Improved cryogenic distillation process for the production of oxygen and nitrogen. | |
FR2744795B1 (fr) | Procede et installation de production d'oxygene gazeux sous haute pression | |
ZA934204B (en) | Process and installation for the production of gaseous oxygen under pressure | |
FR2647431B1 (fr) | Procede et installation de production d'oxygene gazeux sous haute pression | |
FR2703140B1 (fr) | Procédé et installation de production d'oxygène gazeux et/ou d'azote gazeux sous pression par distillation de l'air. | |
FR2709537B1 (fr) | Procédé et installation de production d'oxygène et/ou d'azote gazeux sous pression. | |
FR2712509B1 (fr) | Procédé et installation de distillation d'air. | |
FR2704548B1 (fr) | Procédé pour la production de trialcoxysilanes. | |
FR2689504B1 (fr) | Procédé de production d'hydrocarbures fluorés. | |
FR2702040B1 (fr) | Procédé et installation de production d'oxygène et/ou d'azote sous pression. | |
FR2701313B1 (fr) | Procédé et installation de production d'azote ultra-pur par distillation d'air. | |
FR2688052B1 (fr) | Procede et installation de production d'oxygene et/ou d'azote gazeux sous pression par distillation d'air. | |
FR2734171B1 (fr) | Procede de production d'oxygene sous pression par adsorption | |
FR2718518B1 (fr) | Procédé et installation pour la production de l'oxygène par distillation de l'air. | |
FR2697620B1 (fr) | Procédé et installation de production d'azote gazeux à débit variable. | |
FR2697325B1 (fr) | Procédé et installation de production d'azote et d'oxygène. | |
FR2701553B1 (fr) | Procédé et installation de production d'oxygène sous pression. | |
FR2706595B1 (fr) | Procédé et installation de production d'oxygène et/ou d'azote sous pression à débit variable. | |
FR2696821B1 (fr) | Procédé et installation de production d'azote ultra-pur sous pression. | |
FR2708266B1 (fr) | Procédé de préparation d'alcanesulfonamides. | |
FR2693473B1 (fr) | Procédé de préparation enzymatique d'hydrolysats de matières protéiques. | |
FR2724011B1 (fr) | Procede et installation de production d'oxygene par distillation cryogenique |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |