CA2762315A1 - Appareil et procede de separation d'air par distillation cryogenique - Google Patents

Appareil et procede de separation d'air par distillation cryogenique Download PDF

Info

Publication number
CA2762315A1
CA2762315A1 CA2762315A CA2762315A CA2762315A1 CA 2762315 A1 CA2762315 A1 CA 2762315A1 CA 2762315 A CA2762315 A CA 2762315A CA 2762315 A CA2762315 A CA 2762315A CA 2762315 A1 CA2762315 A1 CA 2762315A1
Authority
CA
Canada
Prior art keywords
column
condenser
vaporizer
installation according
tank
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.)
Abandoned
Application number
CA2762315A
Other languages
English (en)
French (fr)
Inventor
Richard Dubettier-Grenier
Marie Cognard
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.)
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
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.)
Filing date
Publication date
Application filed by LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Publication of CA2762315A1 publication Critical patent/CA2762315A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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
    • F25J3/04151Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
    • F25J3/04187Cooling of the purified feed air by recuperative heat-exchange; Heat-exchange with product streams
    • F25J3/04193Division of the main heat exchange line in consecutive sections having different functions
    • F25J3/04206Division 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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
    • F25J3/04006Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04078Providing 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
    • F25J3/0409Providing 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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
    • F25J3/04406Processes 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
    • F25J3/04418Processes 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 with thermally overlapping high and low pressure columns
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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
    • F25J3/04763Start-up or control of the process; Details of the apparatus used
    • F25J3/04866Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/04872Vertical layout of cold equipments within in the cold box, e.g. columns, heat exchangers etc.
    • F25J3/04878Side by side arrangement of multiple vessels in a main column system, wherein the vessels are normally mounted one upon the other or forming different sections of the same column
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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
    • F25J3/04763Start-up or control of the process; Details of the apparatus used
    • F25J3/04866Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/04872Vertical layout of cold equipments within in the cold box, e.g. columns, heat exchangers etc.
    • F25J3/04884Arrangement of reboiler-condensers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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
    • F25J3/04763Start-up or control of the process; Details of the apparatus used
    • F25J3/04866Construction and layout of air fractionation equipments, e.g. valves, machines
    • F25J3/04896Details of columns, e.g. internals, inlet/outlet devices
    • F25J3/04915Combinations of different material exchange elements, e.g. within different columns
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00Processes or apparatus using separation by rectification
    • F25J2200/34Processes or apparatus using separation by rectification using a side column fed by a stream from the low pressure column
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2200/00Processes or apparatus using separation by rectification
    • F25J2200/50Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column
    • F25J2200/54Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column in the low pressure column of a double pressure main column system
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2235/00Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
    • F25J2235/50Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being oxygen
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2250/00Details related to the use of reboiler-condensers
    • F25J2250/02Bath type boiler-condenser using thermo-siphon effect, e.g. with natural or forced circulation or pool boiling, i.e. core-in-kettle heat exchanger
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2250/00Details related to the use of reboiler-condensers
    • F25J2250/04Down-flowing type boiler-condenser, i.e. with evaporation of a falling liquid film

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)
CA2762315A 2009-06-12 2010-06-04 Appareil et procede de separation d'air par distillation cryogenique Abandoned CA2762315A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0953935A FR2946735B1 (fr) 2009-06-12 2009-06-12 Appareil et procede de separation d'air par distillation cryogenique.
FR0953935 2009-06-12
PCT/FR2010/051101 WO2010142894A2 (fr) 2009-06-12 2010-06-04 Appareil et procédé de séparation d'air par distillation cryogénique

Publications (1)

Publication Number Publication Date
CA2762315A1 true CA2762315A1 (fr) 2010-12-16

Family

ID=42028103

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2762315A Abandoned CA2762315A1 (fr) 2009-06-12 2010-06-04 Appareil et procede de separation d'air par distillation cryogenique

Country Status (9)

Country Link
US (1) US20120118013A1 (zh)
EP (1) EP2440871A2 (zh)
JP (1) JP5823385B2 (zh)
CN (1) CN102667383B (zh)
AU (1) AU2010258490B2 (zh)
CA (1) CA2762315A1 (zh)
FR (1) FR2946735B1 (zh)
WO (1) WO2010142894A2 (zh)
ZA (1) ZA201108764B (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2946735B1 (fr) * 2009-06-12 2012-07-13 Air Liquide Appareil et procede de separation d'air par distillation cryogenique.
WO2014102014A2 (de) * 2012-12-27 2014-07-03 Linde Aktiengesellschaft Verfahren und vorrichtung zur tieftemperatur-luftzerlegung
CA2900122C (en) * 2013-03-06 2023-10-31 Linde Aktiengesellschaft Air separation plant, method for obtaining a product containing argon, and method for creating an air separation plant
US10018414B2 (en) * 2015-07-31 2018-07-10 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for the production of low pressure gaseous oxygen
US10101084B2 (en) * 2015-07-31 2018-10-16 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Apparatus for the production of low pressure gaseous oxygen
FR3075064B1 (fr) * 2017-12-19 2019-12-27 IFP Energies Nouvelles Plateau distributeur a compartiments et cheminees gaz de meme forme pour colonne de contact gaz/liquide offshore

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4781739A (en) * 1984-08-20 1988-11-01 Erickson Donald C Low energy high purity oxygen increased delivery pressure
US4582518A (en) 1984-09-26 1986-04-15 Erickson Donald C Nitrogen production by low energy distillation
GB9325648D0 (en) * 1993-12-15 1994-02-16 Boc Group Plc Air separation
FR2724011B1 (fr) * 1994-08-29 1996-12-20 Air Liquide Procede et installation de production d'oxygene par distillation cryogenique
US5463871A (en) * 1994-10-04 1995-11-07 Praxair Technology, Inc. Side column cryogenic rectification system for producing lower purity oxygen
DE19524928A1 (de) * 1995-07-08 1997-01-09 Basf Ag Verfahren zur Rektifikation von Gemischen hochsiedender luft- und/oder temperaturempfindlicher Substanzen, die eine hohe Trennleistung erfordern, im Feinvakuum, sowie für dieses Verfahren geeignete Kolonnen
DE19537913A1 (de) * 1995-10-11 1997-04-17 Linde Ag Dreifachsäulenverfahren zur Tieftemperaturzerlegung von Luft
FR2761897B1 (fr) * 1997-04-11 1999-05-14 Air Liquide Installation de separation d'un melange gazeux par distillation
EP0908226B1 (en) * 1997-10-13 2006-02-22 Taiyo Nippon Sanso Corporation Process and apparatus for separation of stable isotope compound
US5966967A (en) * 1998-01-22 1999-10-19 Air Products And Chemicals, Inc. Efficient process to produce oxygen
FR2774752B1 (fr) * 1998-02-06 2000-06-16 Air Liquide Installation de distillation d'air et boite froide correspondante
JPH11228116A (ja) * 1998-02-12 1999-08-24 Nippon Sanso Kk アルゴンの回収精製方法及び装置
US5916262A (en) * 1998-09-08 1999-06-29 Praxair Technology, Inc. Cryogenic rectification system for producing low purity oxygen and high purity oxygen
US5921109A (en) * 1998-10-21 1999-07-13 Praxair Technology, Inc. Method for operating a cryogenic rectification column
CA2294406C (en) * 1999-01-21 2004-11-02 Sulzer Chemtech Ag Packing with a cross channel structure for a material exchange column with a high specific separation performance
US6357728B1 (en) * 1999-03-15 2002-03-19 Air Products And Chemicals, Inc. Optimal corrugated structured packing
US6134915A (en) * 1999-03-30 2000-10-24 The Boc Group, Inc. Distillation column arrangement for air separation plant
FR2780147B1 (fr) * 1999-06-29 2001-01-05 Air Liquide Installation de distillation d'air et boite froide correspondante
US6227005B1 (en) * 2000-03-01 2001-05-08 Air Products And Chemicals, Inc. Process for the production of oxygen and nitrogen
DE10040391A1 (de) * 2000-08-18 2002-02-28 Linde Ag Tieftemperaturluftzerlegungsanlage
DE10103968A1 (de) * 2001-01-30 2002-08-01 Linde Ag Drei-Säulen-System zur Tieftemperaturzerlegung von Luft
DE20205751U1 (de) * 2001-12-12 2002-07-11 Linde Ag Vorrichtung zur Tieftemperatur-Zerlegung von Luft
DE10205878A1 (de) * 2002-02-13 2003-08-21 Linde Ag Tieftemperatur-Luftzerlegungsverfahren
US6568208B1 (en) * 2002-05-03 2003-05-27 Air Products And Chemicals, Inc. System and method for introducing low pressure reflux to a high pressure column without a pump
US6543253B1 (en) * 2002-05-24 2003-04-08 Praxair Technology, Inc. Method for providing refrigeration to a cryogenic rectification plant
US7210312B2 (en) * 2004-08-03 2007-05-01 Sunpower, Inc. Energy efficient, inexpensive extraction of oxygen from ambient air for portable and home use
US7549301B2 (en) * 2006-06-09 2009-06-23 Praxair Technology, Inc. Air separation method
FR2946735B1 (fr) * 2009-06-12 2012-07-13 Air Liquide Appareil et procede de separation d'air par distillation cryogenique.

Also Published As

Publication number Publication date
ZA201108764B (en) 2013-02-27
AU2010258490A1 (en) 2012-01-19
FR2946735A1 (fr) 2010-12-17
CN102667383A (zh) 2012-09-12
JP5823385B2 (ja) 2015-11-25
AU2010258490B2 (en) 2014-09-04
WO2010142894A3 (fr) 2012-11-15
US20120118013A1 (en) 2012-05-17
WO2010142894A2 (fr) 2010-12-16
CN102667383B (zh) 2015-04-08
FR2946735B1 (fr) 2012-07-13
EP2440871A2 (fr) 2012-04-18
JP2012529616A (ja) 2012-11-22

Similar Documents

Publication Publication Date Title
CA2762315A1 (fr) Appareil et procede de separation d'air par distillation cryogenique
FR2930330A1 (fr) Procede et appareil de separation d'air par distillation cryogenique
EP3069091B1 (fr) Procédé et appareil de séparation d'air par distillation cryogénique
JP2012529616A5 (zh)
FR2767317A1 (fr) Procede de conversion d'un debit contenant des hydrocarbures par oxydation partielle
EP1189003B1 (fr) Procédé et installation de séparation d'air par distillation cryogénique
EP1966554B1 (fr) Appareil de séparation d'air par distillation cryogénique
EP2591300A2 (fr) Appareil et procede de separation d'air par distillation cryogenique
EP2132509B1 (fr) Procédé et appareil de séparation d'air par distillation cryogénique
FR3102548A1 (fr) Procédé et appareil de séparation d’air par distillation cryogénique
FR2943773A1 (fr) Procede et appareil de separation d'air par distillation cryogenique
FR2930328A1 (fr) Procede et appareil de separation d'air par distillation cryogenique
FR2787559A1 (fr) Procede et installation de separation d'air par distillation cryogenique
CA2828716C (fr) Appareil et procede de separation d'air par distillation cryogenique
EP2531794B1 (fr) Procede et appareil de separation d'air par distillation cryogenique
FR2787561A1 (fr) Procede de separation d'air par distillation cryogenique
EP1106945A1 (fr) Procédé et installation de séparation d'air par distillation cryogénique
EP1697690A2 (fr) Procede et installation d enrichissement d'un flux gazeux en l'un de ses constituants
FR2795496A1 (fr) Appareil et procede de separation d'air par distillation cryogenique
WO2009136076A2 (fr) Procede et appareil de separation d'air par distillation cryogenique
FR2831250A1 (fr) Procede et appareil de separation d'air par distillation cryogenique
EP3913310A1 (fr) Procédé et appareil de séparation d'air par distillation cryogénique
WO2009130430A2 (fr) Procede et appareil de separation d'air par distillation cryogenique
FR2861841A1 (fr) Procede et appareil de separation d'air par distillation cryogenique
FR2860286A1 (fr) Procede de separation d'air par distillation cryogenique

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20150423

FZDE Discontinued

Effective date: 20180807