DE69012642D1 - Verfahren und System zur Herstellung von trockenem, sehr reinem Stickstoff. - Google Patents

Verfahren und System zur Herstellung von trockenem, sehr reinem Stickstoff.

Info

Publication number
DE69012642D1
DE69012642D1 DE69012642T DE69012642T DE69012642D1 DE 69012642 D1 DE69012642 D1 DE 69012642D1 DE 69012642 T DE69012642 T DE 69012642T DE 69012642 T DE69012642 T DE 69012642T DE 69012642 D1 DE69012642 D1 DE 69012642D1
Authority
DE
Germany
Prior art keywords
membrane
dry
production
pure nitrogen
purge gas
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
DE69012642T
Other languages
English (en)
Other versions
DE69012642T2 (de
Inventor
Ravi Prasad
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.)
Praxair Technology Inc
Original Assignee
Praxair Technology Inc
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 Praxair Technology Inc filed Critical Praxair Technology Inc
Application granted granted Critical
Publication of DE69012642D1 publication Critical patent/DE69012642D1/de
Publication of DE69012642T2 publication Critical patent/DE69012642T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/04—Purification or separation of nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • B01D53/225—Multiple stage diffusion
    • B01D53/226—Multiple stage diffusion in serial connexion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/04—Purification or separation of nitrogen
    • C01B21/0405—Purification or separation processes
    • C01B21/0494—Combined chemical and physical processing
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2210/00—Purification or separation of specific gases
    • C01B2210/0001—Separation or purification processing
    • C01B2210/0003—Chemical processing
    • C01B2210/0006—Chemical processing by reduction
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2210/00—Purification or separation of specific gases
    • C01B2210/0001—Separation or purification processing
    • C01B2210/0009—Physical processing
    • C01B2210/001—Physical processing by making use of membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Drying Of Gases (AREA)
  • Treating Waste Gases (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
DE69012642T 1989-05-12 1990-05-11 Verfahren und System zur Herstellung von trockenem, sehr reinem Stickstoff. Expired - Fee Related DE69012642T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/350,849 US4931070A (en) 1989-05-12 1989-05-12 Process and system for the production of dry, high purity nitrogen

Publications (2)

Publication Number Publication Date
DE69012642D1 true DE69012642D1 (de) 1994-10-27
DE69012642T2 DE69012642T2 (de) 1995-04-06

Family

ID=23378453

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69012642T Expired - Fee Related DE69012642T2 (de) 1989-05-12 1990-05-11 Verfahren und System zur Herstellung von trockenem, sehr reinem Stickstoff.

Country Status (10)

Country Link
US (1) US4931070A (de)
EP (1) EP0397204B1 (de)
JP (1) JPH035309A (de)
KR (1) KR950006633B1 (de)
CN (1) CN1020884C (de)
AT (1) ATE111872T1 (de)
BR (1) BR9002221A (de)
CA (1) CA2016570A1 (de)
DE (1) DE69012642T2 (de)
ES (1) ES2063857T3 (de)

Families Citing this family (95)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5004482A (en) * 1989-05-12 1991-04-02 Union Carbide Corporation Production of dry, high purity nitrogen
US5108464A (en) * 1989-09-19 1992-04-28 Bend Research, Inc. Countercurrent dehydration by hollow fibers
DE59005126D1 (de) * 1989-12-09 1994-04-28 Sihi Gmbh & Co Kg Vorrichtung zur kontinuierlichen reinigung der abgase einer vakuumanlage.
US5035726A (en) * 1990-05-24 1991-07-30 Air Products And Chemicals, Inc. Process for removing oxygen from crude argon
US5069686A (en) * 1990-08-07 1991-12-03 Membrane Technology & Research, Inc. Process for reducing emissions from industrial sterilizers
US5084073A (en) * 1990-10-11 1992-01-28 Union Carbide Industrial Gases Technology Corporation Membrane drying process and system
US5102432A (en) * 1990-12-10 1992-04-07 Union Carbide Industrial Gases Technology Corporation Three-stage membrane gas separation process and system
US5147550A (en) * 1990-12-28 1992-09-15 Membrane Technology And Research, Inc. Membrane process and apparatus for removing a component from a fluid stream
US5071451A (en) * 1990-12-28 1991-12-10 Membrane Technology & Research, Inc. Membrane process and apparatus for removing vapors from gas streams
US5149340A (en) * 1991-03-12 1992-09-22 Marathon Oil Company Process and apparatus for separating impurities from hydrocarbons
US5383957A (en) * 1991-07-02 1995-01-24 L'air Liquide Multistage cascade sweep-process for membrane gas separation
US5240471A (en) * 1991-07-02 1993-08-31 L'air Liquide Multistage cascade-sweep process for membrane gas separation
US5226932A (en) * 1991-10-07 1993-07-13 Praxair Technology, Inc. Enhanced meambrane gas separations
US5226931A (en) * 1991-10-24 1993-07-13 Canadian Liquid Air Ltd. -Air Liquide Canada Ltee. Process for supplying nitrogen from an on-site plant
US5185014A (en) * 1991-11-05 1993-02-09 Praxair Technology, Inc. Membrane oxygen process and system
FR2683737B1 (fr) * 1991-11-18 1994-08-05 Air Liquide Procede et installation de production par permeation d'un gaz leger impur a partir d'un melange gazeux contenant ce gaz leger.
US5169412A (en) * 1991-11-20 1992-12-08 Praxair Technology Inc. Membrane air drying and separation operations
US5205842A (en) * 1992-02-13 1993-04-27 Praxair Technology, Inc. Two stage membrane dryer
US5344480A (en) * 1992-05-05 1994-09-06 Praxair Technology, Inc. Pressurizing with and recovering helium
US5259869A (en) * 1992-05-06 1993-11-09 Permea, Inc. Use of membrane separation to dry gas streams containing water vapor
US5240472A (en) * 1992-05-29 1993-08-31 Air Products And Chemicls, Inc. Moisture removal from a wet gas
US5302189A (en) * 1992-08-26 1994-04-12 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Membrane nitrogen gas generator with improved flexibility
US5284506A (en) * 1992-08-26 1994-02-08 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Fast response high purity membrane nitrogen generator
US5378263A (en) * 1992-12-21 1995-01-03 Praxair Technology, Inc. High purity membrane nitrogen
US5417774A (en) * 1992-12-22 1995-05-23 Air Products And Chemicals, Inc. Heat treating atmospheres
US5320818A (en) * 1992-12-22 1994-06-14 Air Products And Chemicals, Inc. Deoxygenation of non-cryogenically produced nitrogen with a hydrocarbon
US5298090A (en) * 1992-12-22 1994-03-29 Air Products And Chemicals, Inc. Atmospheres for heat treating non-ferrous metals and alloys
US5284526A (en) * 1992-12-22 1994-02-08 Air Products And Chemicals, Inc. Integrated process for producing atmospheres suitable for heat treating from non-cryogenically generated nitrogen
US5348592A (en) * 1993-02-01 1994-09-20 Air Products And Chemicals, Inc. Method of producing nitrogen-hydrogen atmospheres for metals processing
EP0613857A1 (de) * 1993-03-02 1994-09-07 Praxair Technology, Inc. Reinigung von Rohargon
US5480682A (en) * 1993-05-21 1996-01-02 Air Products And Chemicals, Inc. Non-cryogenically generated nitrogen atmosphere for radiation curing
US5383956A (en) * 1993-10-12 1995-01-24 Praxair Technology, Inc. Start-up and shut down processes for membrane systems and membrane systems useful for the same
US5401339A (en) * 1994-02-10 1995-03-28 Air Products And Chemicals, Inc. Atmospheres for decarburize annealing steels
BR9503541A (pt) 1994-08-04 1996-06-04 Praxair Technology Inc Processo e sistema para a produção de um produto gasoso de alta pureza
US5681433A (en) * 1994-09-14 1997-10-28 Bend Research, Inc. Membrane dehydration of vaporous feeds by countercurrent condensable sweep
DE4435702C2 (de) * 1994-10-06 1998-11-26 Druckluft Dannoehl Gmbh Verfahren und Vorrichtung zum Erzeugen von Stickstoff
US5632805A (en) * 1995-06-05 1997-05-27 Newport News Shipbuilding And Dry Dock Company Semipermeable membrane dryer for air compressor system
US5641337A (en) * 1995-12-08 1997-06-24 Permea, Inc. Process for the dehydration of a gas
US5709732A (en) * 1996-04-02 1998-01-20 Praxair Technology, Inc. Advanced membrane system for separating gaseous mixtures
CN1067653C (zh) * 1996-10-09 2001-06-27 中国科学院大连化学物理研究所 粗氮气深度净化制取高纯氮气的方法
US5961692A (en) * 1997-01-30 1999-10-05 Howell Laboratories, Inc. System and method of improving performance of a gas membrane dehydrator
EP0860194A1 (de) * 1997-02-21 1998-08-26 Aquilo Gas Separation B.V. Verfahren zum Trocknen von Druckluft
DE19722731A1 (de) * 1997-04-10 1998-10-15 Beko Kondensat Technik Gmbh Trocknungsvorrichtung für Druckluft
US5855647A (en) * 1997-05-15 1999-01-05 American Air Liquide, Inc. Process for recovering SF6 from a gas
FR2764523B1 (fr) * 1997-06-17 1999-07-16 Air Liquide Procede et dispositif de fourniture de plusieurs gaz de travail, et son application a une installation d'assemblage de composants electroniques
US6168774B1 (en) 1997-08-07 2001-01-02 Praxair Technology, Inc. Compact deoxo system
JP2966836B1 (ja) * 1998-07-22 1999-10-25 日本エア・リキード株式会社 ガス精製方法及びガス精製装置
GB9921785D0 (en) * 1999-09-16 1999-11-17 Univ Robert Gordon Apparatus and method
US6572679B2 (en) * 2000-05-19 2003-06-03 Membrane Technology And Research, Inc. Gas separation using organic-vapor-resistant membranes in conjunction with organic-vapor-selective membranes
US6641643B2 (en) * 2000-10-10 2003-11-04 Generon Igs Inc. Ceramic deoxygenation hybrid systems for the production of oxygen and nitrogen gases
US6572678B1 (en) 2001-12-28 2003-06-03 Membrane Technology And Research, Inc. Natural gas separation using nitrogen-selective membranes of modest selectivity
US6565626B1 (en) 2001-12-28 2003-05-20 Membrane Technology And Research, Inc. Natural gas separation using nitrogen-selective membranes
US20040166042A1 (en) * 2002-11-26 2004-08-26 Fukuhara Co., Ltd. Method and apparatus for producing nitrogen gas
TWI326691B (en) * 2005-07-22 2010-07-01 Kraton Polymers Res Bv Sulfonated block copolymers, method for making same, and various uses for such block copolymers
US7780768B2 (en) * 2006-11-28 2010-08-24 Inogen, Inc. Gas concentrator with improved water rejection capability
US8408005B2 (en) * 2007-01-10 2013-04-02 Praxair Technology, Inc. ASU nitrogen sweep gas in hydrogen separation membrane for production of HRSG duct burner fuel
JP2009061420A (ja) * 2007-09-07 2009-03-26 Air Liquide Japan Ltd ガス成分および凝縮性成分の製造方法および製造システム
US8012539B2 (en) 2008-05-09 2011-09-06 Kraton Polymers U.S. Llc Method for making sulfonated block copolymers, method for making membranes from such block copolymers and membrane structures
US7964020B2 (en) * 2008-05-12 2011-06-21 Membrane Technology & Research, Inc Gas separation process using membranes with permeate sweep to remove CO2 from combustion gases
US8034168B2 (en) 2008-05-12 2011-10-11 Membrane Technology & Research, Inc Combustion systems and power plants incorporating parallel carbon dioxide capture and sweep-based membrane separation units to remove carbon dioxide from combustion gases
US8025715B2 (en) * 2008-05-12 2011-09-27 Membrane Technology And Research, Inc Process for separating carbon dioxide from flue gas using parallel carbon dioxide capture and sweep-based membrane separation steps
US8568510B2 (en) 2008-05-12 2013-10-29 Membrane Technology And Research, Inc Gas-separation processes using membranes with permeate sweep to recover reaction feedstocks
US8307478B2 (en) 2009-09-29 2012-11-13 MediGlider Corp. Disposable comfort sheet
US8445631B2 (en) * 2009-10-13 2013-05-21 Kraton Polymers U.S. Llc Metal-neutralized sulfonated block copolymers, process for making them and their use
US8263713B2 (en) * 2009-10-13 2012-09-11 Kraton Polymers U.S. Llc Amine neutralized sulfonated block copolymers and method for making same
US8317899B2 (en) * 2009-11-10 2012-11-27 Generon Igs, Inc. Shipboard hybrid system for making dry, oil-free, utility air and inert gas
DE102009054921B4 (de) * 2009-12-18 2020-09-03 Robert Bosch Gmbh Verfahren und Vorrichtung zur Minderung der Feuchtigkeit eines Gases in einem Batteriegehäuseinnenraum
US8852319B2 (en) 2010-09-13 2014-10-07 Membrane Technology And Research, Inc. Membrane loop process for separating carbon dioxide for use in gaseous form from flue gas
RU2534075C1 (ru) 2010-09-13 2014-11-27 Мембране Текнолоджи Энд Ресерч, Инк Способ отделения диоксида углерода из отработанного газа с использованием стадий мембранного разделения на основе продувки и абсорбции
US9005335B2 (en) 2010-09-13 2015-04-14 Membrane Technology And Research, Inc. Hybrid parallel / serial process for carbon dioxide capture from combustion exhaust gas using a sweep-based membrane separation step
US9140186B2 (en) * 2010-09-13 2015-09-22 Membrane Technology And Research, Inc Sweep-based membrane gas separation integrated with gas-fired power production and CO2 recovery
US9856769B2 (en) 2010-09-13 2018-01-02 Membrane Technology And Research, Inc. Gas separation process using membranes with permeate sweep to remove CO2 from combustion exhaust
US8220248B2 (en) * 2010-09-13 2012-07-17 Membrane Technology And Research, Inc Power generation process with partial recycle of carbon dioxide
US8220247B2 (en) * 2010-09-13 2012-07-17 Membrane Technology And Research, Inc. Power generation process with partial recycle of carbon dioxide
US9457313B2 (en) 2010-09-13 2016-10-04 Membrane Technology And Research, Inc. Membrane technology for use in a power generation process
EP2616163B1 (de) 2010-09-13 2017-05-31 Membrane Technology and Research, Inc. Gastrennprozess durch membranen mit permeat-spülgas zur entfernung von co2 aus rauchgasen aus der verbrennung fossiler brennstoffe
US9394414B2 (en) 2010-09-29 2016-07-19 Kraton Polymers U.S. Llc Elastic, moisture-vapor permeable films, their preparation and their use
US9429366B2 (en) 2010-09-29 2016-08-30 Kraton Polymers U.S. Llc Energy recovery ventilation sulfonated block copolymer laminate membrane
EP2630167B1 (de) 2010-10-18 2018-05-30 Kraton Polymers U.S. LLC Verfahren zur herstellung einer sulfonierten blockcopolymerzusammensetzung
US8685145B2 (en) * 2010-11-12 2014-04-01 The Texas A&M University System System and method for efficient multi-stage air dehumidification and liquid recovery
MX347879B (es) * 2010-11-12 2017-05-16 Texas A & M Univ Sys Sistemas y metodos para deshumidificacion del aire y enfriamiento sensible que usan una bomba de multiples etapas.
US8685142B2 (en) * 2010-11-12 2014-04-01 The Texas A&M University System System and method for efficient air dehumidification and liquid recovery with evaporative cooling
US8685144B2 (en) * 2010-11-12 2014-04-01 The Texas A&M University System System and method for efficient air dehumidification and liquid recovery
WO2012086836A1 (ja) 2010-12-24 2012-06-28 株式会社ルネッサンス・エナジー・リサーチ ガス分離装置、メンブレンリアクター、水素製造装置
US9861941B2 (en) 2011-07-12 2018-01-09 Kraton Polymers U.S. Llc Modified sulfonated block copolymers and the preparation thereof
JP5852422B2 (ja) * 2011-11-26 2016-02-03 国立研究開発法人農業環境技術研究所 超高純度窒素ガスの精製方法
WO2017100233A1 (en) * 2015-12-09 2017-06-15 Generon Igs, Inc. Membrane-based system for generating high-purity nitrogen
US9546785B1 (en) 2016-06-13 2017-01-17 Membrane Technology And Research, Inc. Sweep-based membrane separation process for removing carbon dioxide from exhaust gases generated by multiple combustion sources
JP6848307B2 (ja) * 2016-09-29 2021-03-24 宇部興産株式会社 貯蔵用ガス製造システム及びその製造方法並びに、貯蔵システム及び貯蔵方法
US9782718B1 (en) 2016-11-16 2017-10-10 Membrane Technology And Research, Inc. Integrated gas separation-turbine CO2 capture processes
AU2018269511A1 (en) 2017-05-16 2019-11-28 Terrence J. Ebert Apparatus and process for liquefying gases
JP7086675B2 (ja) * 2018-03-30 2022-06-20 三菱重工業株式会社 ガス化炉システム
CN111153389B (zh) * 2020-01-06 2021-04-06 南京航空航天大学 气体冲洗与膜分离技术结合的机载制氮系统及工作方法
US11666975B2 (en) * 2020-12-02 2023-06-06 Xerox Corporation Three-dimensional printer with nitrogen atmosphere
SE2300062A1 (sv) * 2022-07-08 2024-01-09 Mats Hedman Kväve

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT649908A (de) * 1960-04-01
US3339341A (en) * 1965-12-22 1967-09-05 Du Pont Fluid separation process and apparatus
JPS4940071B1 (de) * 1970-01-09 1974-10-30
US3735558A (en) * 1971-06-29 1973-05-29 Perma Pure Process Inc Process for separating fluids and apparatus
US3735559A (en) * 1972-02-02 1973-05-29 Gen Electric Sulfonated polyxylylene oxide as a permselective membrane for water vapor transport
US3967464A (en) * 1974-07-22 1976-07-06 Air Products And Chemicals, Inc. Air separation process and system utilizing pressure-swing driers
JPS5263178A (en) * 1975-11-17 1977-05-25 Toshiba Corp Gas separation unit
JPS5266879A (en) * 1975-12-02 1977-06-02 Toshiba Corp Equipment for separation of gas
US4264338A (en) * 1977-11-02 1981-04-28 Monsanto Company Method for separating gases
US4264340A (en) * 1979-02-28 1981-04-28 Air Products And Chemicals, Inc. Vacuum swing adsorption for air fractionation
DE3137569A1 (de) * 1981-09-22 1983-04-21 Leybold-Heraeus GmbH, 5000 Köln Verfahren und vorrichtung zur herstellung von hochreinem stickstoff
US4439213A (en) * 1981-12-30 1984-03-27 The C. M. Kemp Manufacturing Co. Nitrogen generation system
US4448595A (en) * 1982-12-02 1984-05-15 Union Carbide Corporation Split column multiple condenser-reboiler air separation process
US4453957A (en) * 1982-12-02 1984-06-12 Union Carbide Corporation Double column multiple condenser-reboiler high pressure nitrogen process
DE3337572A1 (de) * 1983-10-15 1985-04-25 Linde Ag, 6200 Wiesbaden Verfahren und vorrichtung zum abtrennen einer komponente aus einem gasgemisch
GB8412932D0 (en) * 1984-05-21 1984-06-27 Boc Group Plc Purification of gases
US4589888A (en) * 1984-10-05 1986-05-20 Union Carbide Corporation Pressure swing adsorption process
US4594085A (en) * 1984-11-15 1986-06-10 Union Carbide Corporation Hybrid nitrogen generator with auxiliary reboiler drive
US4654063A (en) * 1984-12-21 1987-03-31 Air Products And Chemicals, Inc. Process for recovering hydrogen from a multi-component gas stream
US4645516A (en) * 1985-05-24 1987-02-24 Union Carbide Corporation Enhanced gas separation process
JPS6242723A (ja) * 1985-08-20 1987-02-24 Ube Ind Ltd 混合ガスの除湿方法
EG18145A (en) * 1985-12-10 1992-08-30 Albany Int Corp Hollow fiber separatory modul with encased fiber bundle
JPH0751757B2 (ja) * 1986-02-18 1995-06-05 旭化成工業株式会社 ドライ・エツチング方法
US4687498A (en) * 1986-02-24 1987-08-18 The Boc Group, Inc. Argon recovery from hydrogen depleted ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means
US4690695A (en) * 1986-04-10 1987-09-01 Union Carbide Corporation Enhanced gas separation process
JPS62241527A (ja) * 1986-04-14 1987-10-22 Daicel Chem Ind Ltd 空気の除湿方法
EP0263212B1 (de) * 1986-10-08 1990-12-27 Ube Industries, Ltd. Verfahren zur Entfernung von Wasserdampf aus einem wasserdampfhaltigen Gas
WO1990007372A1 (en) * 1986-10-27 1990-07-12 Richard Alan Sauer Process for membrane separation of gas mixtures
US4701187A (en) * 1986-11-03 1987-10-20 Air Products And Chemicals, Inc. Process for separating components of a gas stream
JPS63182019A (ja) * 1987-01-23 1988-07-27 Ube Ind Ltd 加圧気体の除湿方法
JPS63209730A (ja) * 1987-02-26 1988-08-31 Mitsubishi Kasei Corp 水蒸気分離方法
US4783201A (en) * 1987-12-28 1988-11-08 Rice Arthur W Gas dehydration membrane apparatus

Also Published As

Publication number Publication date
EP0397204A1 (de) 1990-11-14
EP0397204B1 (de) 1994-09-21
CA2016570A1 (en) 1990-11-12
ES2063857T3 (es) 1995-01-16
ATE111872T1 (de) 1994-10-15
DE69012642T2 (de) 1995-04-06
KR900017904A (ko) 1990-12-20
CN1020884C (zh) 1993-05-26
JPH0565442B2 (de) 1993-09-17
BR9002221A (pt) 1991-08-13
CN1048684A (zh) 1991-01-23
US4931070A (en) 1990-06-05
JPH035309A (ja) 1991-01-11
KR950006633B1 (ko) 1995-06-21

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