FR2844039B1 - Procede et installation de production d'oxygene et de gaz rares par distillation cryogenique d'air - Google Patents

Procede et installation de production d'oxygene et de gaz rares par distillation cryogenique d'air

Info

Publication number
FR2844039B1
FR2844039B1 FR0210922A FR0210922A FR2844039B1 FR 2844039 B1 FR2844039 B1 FR 2844039B1 FR 0210922 A FR0210922 A FR 0210922A FR 0210922 A FR0210922 A FR 0210922A FR 2844039 B1 FR2844039 B1 FR 2844039B1
Authority
FR
France
Prior art keywords
plant
cryogenic air
rare gases
air distillation
producing oxygen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR0210922A
Other languages
English (en)
Other versions
FR2844039A1 (fr
Inventor
Lasad Jaouani
Frederic Judas
Bernard Saulnier
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.)
Filing date
Publication date
Priority to FR0210922A priority Critical patent/FR2844039B1/fr
Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Priority to PCT/FR2003/002420 priority patent/WO2004023054A1/fr
Priority to UAA200501992A priority patent/UA85167C2/ru
Priority to RU2005109412/06A priority patent/RU2319084C2/ru
Priority to US10/527,002 priority patent/US20060021380A1/en
Priority to EP03758191A priority patent/EP1552230A1/fr
Priority to CNB038209675A priority patent/CN100420908C/zh
Priority to JP2004533545A priority patent/JP2005538335A/ja
Publication of FR2844039A1 publication Critical patent/FR2844039A1/fr
Application granted granted Critical
Publication of FR2844039B1 publication Critical patent/FR2844039B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04078—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression
    • F25J3/0409—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression of oxygen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04248—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
    • F25J3/04303—Lachmann expansion, i.e. expanded into oxygen producing or low pressure column
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04406—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system
    • F25J3/04412—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system in a classical double column flowsheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of high pressure column
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04642—Recovering noble gases from air
    • F25J3/04648—Recovering noble gases from air argon
    • F25J3/04654—Producing crude argon in a crude argon column
    • F25J3/04666—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system
    • F25J3/04672—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser
    • F25J3/04678—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser cooled by oxygen enriched liquid from high pressure column bottoms
    • 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
    • F25J3/04642—Recovering noble gases from air
    • F25J3/04745—Krypton and/or Xenon
    • 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
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/32—Processes or apparatus using separation by rectification using a side column fed by a stream from the 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
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/50—Processes or apparatus using separation by rectification using multiple (re-)boiler-condensers at different heights of the column
    • F25J2200/54—Processes 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
    • 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
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/90—Details relating to column internals, e.g. structured packing, gas or liquid distribution
    • F25J2200/94—Details relating to the withdrawal point
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2205/00—Processes or apparatus using other separation and/or other processing means
    • F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • 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)
FR0210922A 2002-09-04 2002-09-04 Procede et installation de production d'oxygene et de gaz rares par distillation cryogenique d'air Expired - Fee Related FR2844039B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR0210922A FR2844039B1 (fr) 2002-09-04 2002-09-04 Procede et installation de production d'oxygene et de gaz rares par distillation cryogenique d'air
UAA200501992A UA85167C2 (ru) 2002-09-04 2003-07-30 Способ и установка для производства инертных газов и кислорода путем криогенной перегонки воздуха
RU2005109412/06A RU2319084C2 (ru) 2002-09-04 2003-07-30 Способ и установка для производства инертных газов и кислорода посредством криогенной перегонки воздуха
US10/527,002 US20060021380A1 (en) 2002-09-04 2003-07-30 Method and installation for production of noble gases and oxygen by means of cryrogenic air distillation
PCT/FR2003/002420 WO2004023054A1 (fr) 2002-09-04 2003-07-30 Procede et installation de production d'oxygene et de gaz rares par distillation cryogenique d'air
EP03758191A EP1552230A1 (fr) 2002-09-04 2003-07-30 Procede et installation de production d oxygene et de gaz ra res par distillation cryogenique d air
CNB038209675A CN100420908C (zh) 2002-09-04 2003-07-30 利用空气低温蒸馏制取稀有气体和氧气的方法和装置
JP2004533545A JP2005538335A (ja) 2002-09-04 2003-07-30 極低温空気蒸留によって希ガスと酸素とを生成する方法および設備

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0210922A FR2844039B1 (fr) 2002-09-04 2002-09-04 Procede et installation de production d'oxygene et de gaz rares par distillation cryogenique d'air

Publications (2)

Publication Number Publication Date
FR2844039A1 FR2844039A1 (fr) 2004-03-05
FR2844039B1 true FR2844039B1 (fr) 2005-04-29

Family

ID=31503096

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0210922A Expired - Fee Related FR2844039B1 (fr) 2002-09-04 2002-09-04 Procede et installation de production d'oxygene et de gaz rares par distillation cryogenique d'air

Country Status (8)

Country Link
US (1) US20060021380A1 (fr)
EP (1) EP1552230A1 (fr)
JP (1) JP2005538335A (fr)
CN (1) CN100420908C (fr)
FR (1) FR2844039B1 (fr)
RU (1) RU2319084C2 (fr)
UA (1) UA85167C2 (fr)
WO (1) WO2004023054A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE540750T1 (de) 2006-05-11 2012-01-15 Raindance Technologies Inc Mikrofluidische vorrichtung und verfahren
DE102007024168A1 (de) * 2007-05-24 2008-11-27 Linde Ag Verfahren und Vorrichtung zur Tieftemperatur-Luftzerlegung
WO2009029749A1 (fr) * 2007-08-30 2009-03-05 Linde, Inc. Procédés pour produire des fluides cryogéniques stériles
FR2930629B1 (fr) * 2008-04-23 2010-05-07 Air Liquide Appareil et procede de separation d'air par distillation cryogenique
US8443625B2 (en) * 2008-08-14 2013-05-21 Praxair Technology, Inc. Krypton and xenon recovery method
US8479535B2 (en) * 2008-09-22 2013-07-09 Praxair Technology, Inc. Method and apparatus for producing high purity oxygen
US8484992B2 (en) * 2009-12-02 2013-07-16 Praxair Technology, Inc. Krypton xenon recovery from pipeline oxygen
FR2953915B1 (fr) * 2009-12-11 2011-12-02 Air Liquide Procede et appareil de separation d'air par distillation cryogenique
US8978413B2 (en) * 2010-06-09 2015-03-17 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Rare gases recovery process for triple column oxygen plant
RU2481658C2 (ru) * 2011-06-30 2013-05-10 Александр Прокопьевич Елохин Способ и система концентрирования и утилизации инертных радиоактивных газов из газоаэрозольных выбросов энергоблоков атомных электростанций
RU2528792C1 (ru) * 2013-03-20 2014-09-20 Открытое акционерное общество "Газпром" Способ выделения одноступенчатой ректификацией инертных газов из хвостовых газов и устройство для его осуществления
RU2528786C1 (ru) * 2013-03-20 2014-09-20 Открытое акционерное общество "Газпром" Способы выделения двухступенчатой ректификацией инертных газов из хвостовых газов и устройство для его осуществления
FR3013431B1 (fr) * 2013-11-21 2018-11-09 L'air Liquide,Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Procede et appareil de separation d’air par distillation cryogenique
WO2015109522A1 (fr) * 2014-01-24 2015-07-30 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Enceinte cryogénique
EP3067649A1 (fr) * 2015-03-13 2016-09-14 Linde Aktiengesellschaft Système de colonnes de distillation et procédé de production d'oxygène par séparation cryogénique de l'air
WO2021230913A1 (fr) * 2020-05-15 2021-11-18 Praxair Technology, Inc. Améliorations apportées à une unité de séparation d'air cryogénique produisant de l'azote et de l'argon à pression modérée
CN112781321B (zh) * 2020-12-31 2022-07-12 乔治洛德方法研究和开发液化空气有限公司 一种具有氮液化器的空气分离装置和方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2051576A (en) * 1936-04-06 1936-08-18 Air Reduction Recovery of krypton and xenon
DE2605305A1 (de) * 1976-02-11 1977-08-18 Messer Griesheim Gmbh Verfahren zur gewinnung von krypton und xenon
US4401448A (en) * 1982-05-24 1983-08-30 Union Carbide Corporation Air separation process for the production of krypton and xenon
US4647299A (en) * 1984-08-16 1987-03-03 Union Carbide Corporation Process to produce an oxygen-free krypton-xenon concentrate
US5063746A (en) * 1991-02-05 1991-11-12 Air Products And Chemicals, Inc. Cryogenic process for the production of methane-free, krypton/xenon product
US5067976A (en) * 1991-02-05 1991-11-26 Air Products And Chemicals, Inc. Cryogenic process for the production of an oxygen-free and methane-free, krypton/xenon product
DE19855486A1 (de) * 1998-12-01 1999-06-10 Linde Ag Verfahren und Vorrichtung zur Gewinnung eines krypton- und/oder xenonangereicherten Gemischs durch Tieftemperaturzerlegung von Luft
DE10000017A1 (de) * 1999-11-22 2000-06-29 Linde Ag Verfahren zur Gewinnung von Krypton und/oder Xenon durch Tieftemperaturzerlegung von Luft
DE10153252A1 (de) * 2001-10-31 2003-05-15 Linde Ag Verfahren und Vorrichtung zur Gewinnung von Krypton und/oder Xenon durch Tieftemperaturzerlegung von Luft

Also Published As

Publication number Publication date
EP1552230A1 (fr) 2005-07-13
RU2005109412A (ru) 2005-10-10
FR2844039A1 (fr) 2004-03-05
JP2005538335A (ja) 2005-12-15
CN1678875A (zh) 2005-10-05
RU2319084C2 (ru) 2008-03-10
US20060021380A1 (en) 2006-02-02
UA85167C2 (ru) 2009-01-12
WO2004023054A1 (fr) 2004-03-18
CN100420908C (zh) 2008-09-24

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