EP2176610A4 - Processus et appareil de séparation d'air par distillation cryogénique - Google Patents

Processus et appareil de séparation d'air par distillation cryogénique Download PDF

Info

Publication number: EP2176610A4
Authority: EP; European Patent Office
Prior art keywords: separation; air; cryogenic distillation; cryogenic; distillation
Prior art date: 2007-08-10
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

Application number

EP07785309.1A

Other languages

German (de)

English (en)

Other versions

EP2176610A1 (fr

EP2176610B1 (fr

Inventor

Alain Guillard

Lasad Jaouani

Xavier Pontone

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

LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude

Original Assignee

Air Liquide SA

LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude

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.)

2007-08-10

Filing date

2007-08-10

Publication date

2018-03-21

2007-08-10 Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA

2010-04-21 Publication of EP2176610A1 publication Critical patent/EP2176610A1/fr

2018-03-21 Publication of EP2176610A4 publication Critical patent/EP2176610A4/fr

2019-04-24 Application granted granted Critical

2019-04-24 Publication of EP2176610B1 publication Critical patent/EP2176610B1/fr

Status Not-in-force legal-status Critical Current

2027-08-10 Anticipated expiration legal-status Critical

Links

238000004821 distillation Methods 0.000 title 1
238000000034 method Methods 0.000 title 1
238000000926 separation method Methods 0.000 title 1

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
- F25J3/04151—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
- F25J3/04175—Hot end purification of the feed air by adsorption of the impurities at a pressure of substantially more than the highest 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
- F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
- F25J3/04048—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of cold gaseous streams, e.g. intermediate or oxygen enriched (waste) streams
- F25J3/04054—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of cold gaseous streams, e.g. intermediate or oxygen enriched (waste) streams of 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
- F25J3/04187—Cooling of the purified feed air by recuperative heat-exchange; Heat-exchange with product streams
- 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
- 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
- F25J3/04375—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
- 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
- F25J3/04812—Different modes, i.e. "runs" 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
- F25J2215/00—Processes characterised by the type or other details of the product stream
- F25J2215/40—Air or oxygen enriched air, i.e. generally less than 30mol% of O2
- 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
- F25J2245/40—Processes or apparatus involving steps for recycling of process streams the recycled stream being 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)

EP07785309.1A 2007-08-10 2007-08-10 Processus de séparation d'air par distillation cryogénique Not-in-force EP2176610B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/CN2007/002404 WO2009021350A1 (fr)	2007-08-10	2007-08-10	Processus et appareil de séparation d'air par distillation cryogénique

Publications (3)

Publication Number	Publication Date
EP2176610A1 EP2176610A1 (fr)	2010-04-21
EP2176610A4 true EP2176610A4 (fr)	2018-03-21
EP2176610B1 EP2176610B1 (fr)	2019-04-24

Family

ID=40350332

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP07785309.1A Not-in-force EP2176610B1 (fr)	2007-08-10	2007-08-10	Processus de séparation d'air par distillation cryogénique

Country Status (7)

Country	Link
US (1)	US20110197630A1 (fr)
EP (1)	EP2176610B1 (fr)
JP (1)	JP4908634B2 (fr)
CN (1)	CN101779092A (fr)
BR (1)	BRPI0721931A2 (fr)
CA (1)	CA2695817A1 (fr)
WO (1)	WO2009021350A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2948184B1 (fr) *	2009-07-20	2016-04-15	Air Liquide	Procede et appareil de separation d'air par distillation cryogenique
FR2973486B1 (fr) *	2011-03-31	2013-05-03	Air Liquide	Procede de separation d'air par distillation cryogenique
FR2973487B1 (fr) *	2011-03-31	2018-01-26	L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude	Procede et appareil de production d'un gaz de l'air sous pression par distillation cryogenique
FR2983287B1 (fr) *	2011-11-25	2018-03-02	L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude	Procede et installation de separation d'air par distillation cryogenique
EP2963370B1 (fr) *	2014-07-05	2018-06-13	Linde Aktiengesellschaft	Procede et dispositif cryogeniques de separation d'air
EP2963371B1 (fr) *	2014-07-05	2018-05-02	Linde Aktiengesellschaft	Procede et dispositif de production d'un produit de gaz sous pression par decomposition a basse temperature d'air
US11384288B2 (en)	2019-03-20	2022-07-12	Carbon Holdings Intellectual Properties, Llc	Using stimulus to convert coal to mesophase pitch and carbon fibers
WO2020191403A1 (fr)	2019-03-21	2020-09-24	Carbon Holdings Intellectual Properties, Llc	Procédé de synthèse de brai à haut rendement pour la production de fibre de carbone à l'aide d'une liquéfaction directe de charbon à faible sévérité
WO2020191407A1 (fr)	2019-03-21	2020-09-24	Carbon Holdings Intellectual Properties, Llc	Processus à co2 supercritique solvaté pour convertir du charbon en fibres de carbone
US20230082208A1 (en) *	2021-09-16	2023-03-16	L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude	Oxygen liquefier design phasing

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5475980A (en) *	1993-12-30	1995-12-19	L'air Liquide, Societe Anonyme Pour L'etude L'exploitation Des Procedes Georges Claude	Process and installation for production of high pressure gaseous fluid
EP0689019A1 (fr) *	1994-06-20	1995-12-27	L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude	Procédé et installation de production d'oxygène gazeux sous pression
EP0757217A1 (fr) *	1995-08-03	1997-02-05	The BOC Group plc	Séparation d'air
US20060010912A1 (en) *	2004-07-14	2006-01-19	Jean-Renaud Brugerolle	Low temperature air separation process for producing pressurized gaseous product
EP2118601A2 (fr) *	2007-03-13	2009-11-18	L'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude	Procede et appareil de production de gaz de l'air sous forme gazeuse et liquide a haute flexibilite par distillation cryogenique

Family Cites Families (10)

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Publication number	Priority date	Publication date	Assignee	Title
JP2736543B2 (ja) *	1989-04-17	1998-04-02	日本酸素株式会社	空気液化分離方法
FR2700205B1 (fr) *	1993-01-05	1995-02-10	Air Liquide	Procédé et installation de production d'au moins un produit gazeux sous pression et d'au moins un liquide par distillation d'air.
FR2703140B1 (fr) *	1993-03-23	1995-05-19	Air Liquide	Procédé et installation de production d'oxygène gazeux et/ou d'azote gazeux sous pression par distillation de l'air.
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
US5907959A (en) *	1998-01-22	1999-06-01	Air Products And Chemicals, Inc.	Air separation process using warm and cold expanders
FR2851330B1 (fr) *	2003-02-13	2006-01-06	Air Liquide	Procede et installation de production sous forme gazeuse et sous haute pression d'au moins un fluide choisi parmi l'oxygene, l'argon et l'azote par distillation cryogenique de l'air
FR2854682B1 (fr) *	2003-05-05	2005-06-17	Air Liquide	Procede et installation de separation d'air par distillation cryogenique
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
US6962062B2 (en) *	2003-12-10	2005-11-08	L'Air Liquide, Société Anonyme à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Proédés Georges Claude	Process and apparatus for the separation of air by cryogenic distillation
FR2864214B1 (fr) *	2003-12-22	2017-04-21	Air Liquide	Appareil de separation d'air, appareil integre de separation d'air et de production d'un metal et procede de demarrage d'un tel appareil de separation d'air

2007
- 2007-08-10 BR BRPI0721931-8A patent/BRPI0721931A2/pt not_active IP Right Cessation
- 2007-08-10 CA CA2695817A patent/CA2695817A1/fr not_active Abandoned
- 2007-08-10 EP EP07785309.1A patent/EP2176610B1/fr not_active Not-in-force
- 2007-08-10 US US12/671,927 patent/US20110197630A1/en not_active Abandoned
- 2007-08-10 JP JP2010519320A patent/JP4908634B2/ja not_active Expired - Fee Related
- 2007-08-10 WO PCT/CN2007/002404 patent/WO2009021350A1/fr not_active Ceased
- 2007-08-10 CN CN200780100211A patent/CN101779092A/zh active Pending

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5475980A (en) *	1993-12-30	1995-12-19	L'air Liquide, Societe Anonyme Pour L'etude L'exploitation Des Procedes Georges Claude	Process and installation for production of high pressure gaseous fluid
EP0689019A1 (fr) *	1994-06-20	1995-12-27	L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude	Procédé et installation de production d'oxygène gazeux sous pression
EP0757217A1 (fr) *	1995-08-03	1997-02-05	The BOC Group plc	Séparation d'air
US20060010912A1 (en) *	2004-07-14	2006-01-19	Jean-Renaud Brugerolle	Low temperature air separation process for producing pressurized gaseous product
EP2118601A2 (fr) *	2007-03-13	2009-11-18	L'Air Liquide Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude	Procede et appareil de production de gaz de l'air sous forme gazeuse et liquide a haute flexibilite par distillation cryogenique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009021350A1 *

Also Published As

Publication number	Publication date
WO2009021350A1 (fr)	2009-02-19
CN101779092A (zh)	2010-07-14
EP2176610A1 (fr)	2010-04-21
CA2695817A1 (fr)	2009-02-19
BRPI0721931A2 (pt)	2014-03-18
JP2010536003A (ja)	2010-11-25
JP4908634B2 (ja)	2012-04-04
US20110197630A1 (en)	2011-08-18
EP2176610B1 (fr)	2019-04-24

Legal Events

Date	Code	Title	Description
2010-03-19	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2010-04-21	17P	Request for examination filed	Effective date: 20100310
2010-04-21	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
2010-04-21	AX	Request for extension of the european patent	Extension state: AL BA HR MK RS
2010-09-29	RIN1	Information on inventor provided before grant (corrected)	Inventor name: GUILLARD, ALAIN Inventor name: JAOUANI, LASAD Inventor name: PONTONE, XAVIER
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