CA2079949A1 - Adsorption moulee en pression basse temperature avec refrigeration interne - Google Patents

Adsorption moulee en pression basse temperature avec refrigeration interne

Info

Publication number
CA2079949A1
CA2079949A1 CA2079949A CA2079949A CA2079949A1 CA 2079949 A1 CA2079949 A1 CA 2079949A1 CA 2079949 A CA2079949 A CA 2079949A CA 2079949 A CA2079949 A CA 2079949A CA 2079949 A1 CA2079949 A1 CA 2079949A1
Authority
CA
Canada
Prior art keywords
refrigeration
swing adsorption
pressure swing
low temperature
temperature pressure
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.)
Granted
Application number
CA2079949A
Other languages
English (en)
Other versions
CA2079949C (fr
Inventor
Frederick Wells Leavitt
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
Frederick Wells Leavitt
Union Carbide Industrial Gases Technology Corporation
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 Frederick Wells Leavitt, Union Carbide Industrial Gases Technology Corporation, Praxair Technology, Inc. filed Critical Frederick Wells Leavitt
Application granted granted Critical
Publication of CA2079949A1 publication Critical patent/CA2079949A1/fr
Publication of CA2079949C publication Critical patent/CA2079949C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B01D53/02—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 adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0462—Temperature swing adsorption
    • 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
    • B01D53/02—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 adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • 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
    • B01D53/02—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 adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/047—Pressure swing adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • B01D2253/1085—Zeolites characterized by a silicon-aluminium ratio
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/12—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2256/00—Main component in the product gas stream after treatment
    • B01D2256/18—Noble gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/10—Single element gases other than halogens
    • B01D2257/102—Nitrogen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B01D2257/702—Hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/80—Water
    • 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
    • B01D53/02—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 adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • B01D53/0438—Cooling or heating systems
    • 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
    • B01D53/02—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 adsorption, e.g. preparative gas chromatography
    • B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • B01D53/0407—Constructional details of adsorbing systems
    • B01D53/0446—Means for feeding or distributing gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S95/00—Gas separation: processes
    • Y10S95/90—Solid sorbent
    • Y10S95/902—Molecular sieve

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Gases By Adsorption (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Drying Of Gases (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
CA002079949A 1991-10-07 1992-10-06 Adsorption moulee en pression basse temperature avec refrigeration interne Expired - Fee Related CA2079949C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/772,336 US5169413A (en) 1991-10-07 1991-10-07 Low temperature pressure swing adsorption with refrigeration
US772,336 1991-10-07

Publications (2)

Publication Number Publication Date
CA2079949A1 true CA2079949A1 (fr) 1993-04-08
CA2079949C CA2079949C (fr) 1993-04-08

Family

ID=25094730

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002079949A Expired - Fee Related CA2079949C (fr) 1991-10-07 1992-10-06 Adsorption moulee en pression basse temperature avec refrigeration interne

Country Status (12)

Country Link
US (1) US5169413A (fr)
EP (1) EP0537597B1 (fr)
JP (1) JP2524292B2 (fr)
KR (1) KR0153434B1 (fr)
CN (1) CN1032848C (fr)
AR (1) AR247708A1 (fr)
BR (1) BR9203886A (fr)
CA (1) CA2079949C (fr)
DE (1) DE69215641T2 (fr)
ES (1) ES2096001T3 (fr)
MX (1) MX9205709A (fr)
TW (1) TW203561B (fr)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5174979A (en) 1989-10-06 1992-12-29 Uop Mixed ion-exchanged zeolites and processes for the use thereof in gas separations
US5624477A (en) * 1991-05-09 1997-04-29 The Boc Group Plc Pressure swing adsorption plants
FR2700276B1 (fr) * 1993-01-08 1995-02-10 Air Liquide Procédé et unité d'adsorption pour la production d'un gaz par séparation d'un mélange gazeux.
US5529610A (en) * 1993-09-07 1996-06-25 Air Products And Chemicals, Inc. Multiple zeolite adsorbent layers in oxygen separation
US5453112A (en) * 1994-02-02 1995-09-26 Praxair Technology, Inc. Pressure swing adsorption heat recovery
JPH07251023A (ja) * 1994-03-16 1995-10-03 Sumitomo Seika Chem Co Ltd ガスを分離する方法およびその装置
GB9422833D0 (en) * 1994-11-11 1995-01-04 Secr Defence Pressure and temperature swing absorbtion
US5837021A (en) 1994-12-09 1998-11-17 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Installation for the treatment of at least one fluid, by passage through two adjacent masses of material
US5538544A (en) * 1994-12-27 1996-07-23 Praxair Technology, Inc. Adsorption flow distribution
US5632802A (en) * 1995-03-03 1997-05-27 Grgich; George R. Apparatus and method of regenerating adsorbers for drying air
US5807422A (en) * 1995-03-03 1998-09-15 Grgich; George R. Divided radial and spherical desiccant bed adsorption units
US5672196A (en) * 1995-08-01 1997-09-30 The Boc Group, Inc. Process and apparatus for the separation of gases
DE19529094A1 (de) * 1995-08-08 1997-02-13 Bayer Ag Verfahren zur Adsorption von Stickstoff aus Gasgemischen mittels Druckwechseladsorption mit Zeolithen
EP0765681A2 (fr) * 1995-09-26 1997-04-02 Praxair Technology, Inc. Prépurificateur d'air pour adsorption à pression alternée
US5989314A (en) * 1995-09-26 1999-11-23 Praxair Technology, Inc. Pressure swing adsorption air prepurifier
US5674311A (en) 1995-10-20 1997-10-07 Praxair Technology, Inc. Adsorption process and system using multilayer adsorbent beds
SE517561C2 (sv) * 1996-03-04 2002-06-18 Aga Ab Förfarande och anordning för framställning av en gas genom separation från en gasblandning
US5917140A (en) * 1996-05-21 1999-06-29 Advanced Technology Materials, Inc. Sorbent-based fluid storage and dispensing vessel with enhanced heat transfer means
US5766311A (en) * 1996-07-03 1998-06-16 Praxair Technology, Inc. Multi-thermal pulse PSA system
FR2753108B1 (fr) * 1996-09-06 1998-10-16 Air Liquide Procede pour la separation de melanges gazeux contenant de l'oxygene et de l'azote
US6027548A (en) * 1996-12-12 2000-02-22 Praxair Technology, Inc. PSA apparatus and process using adsorbent mixtures
US5769928A (en) * 1996-12-12 1998-06-23 Praxair Technology, Inc. PSA gas purifier and purification process
US6152991A (en) * 1997-04-17 2000-11-28 Praxair Technology, Inc. Multilayer adsorbent beds for PSA gas separation
FR2764522B1 (fr) * 1997-06-12 1999-07-16 Air Liquide Procede et installation de separation d'air par adsorption
FR2766384B1 (fr) * 1997-07-25 1999-09-03 Air Liquide Regulation d'un procede psa
US6238460B1 (en) 1997-09-26 2001-05-29 The Boc Group, Inc. Air purification process
DE19807225A1 (de) * 1998-02-20 1999-08-26 Linde Ag Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft
WO1999042773A1 (fr) * 1998-02-20 1999-08-26 Linde Aktiengesellschaft Purification de l'air avec des regenerateurs et lit adsorbant pour l'eau
US6106593A (en) * 1998-10-08 2000-08-22 Air Products And Chemicals, Inc. Purification of air
US6541159B1 (en) 1999-08-12 2003-04-01 Reveo, Inc. Oxygen separation through hydroxide-conductive membrane
US6284021B1 (en) * 1999-09-02 2001-09-04 The Boc Group, Inc. Composite adsorbent beads for adsorption process
US7122073B1 (en) * 2000-09-18 2006-10-17 Praxair Technology, Inc. Low void adsorption systems and uses thereof
SE523278C2 (sv) * 2001-10-11 2004-04-06 Ifoe Ceramics Ab Förfarande och anordning för framställning av syre eller syreberikad luft
US6817614B2 (en) * 2002-04-12 2004-11-16 Sterling Gaming, Llc Method of conducting a wagering game
US7264651B2 (en) * 2004-07-02 2007-09-04 Praxair Technology, Inc. Adsorption process and system using multilayer adsorbent beds containing regenerator section
WO2007000050A1 (fr) * 2005-06-27 2007-01-04 Wearair Oxygen Inc. Procede et appareil de production et delivrance d'une fraction enrichie en gaz
KR100711237B1 (ko) * 2006-06-09 2007-04-25 한국에너지기술연구원 흡착제가 충진된 분리막 및 이를 이용한 이산화탄소 분리방법
FR2906160B1 (fr) * 2006-09-25 2009-06-05 Air Liquide Procede psa a lit d'adsorption composite forme d'un adsorbant et d'agglomerats de mcp
US7740690B2 (en) * 2007-03-29 2010-06-22 Praxair Technology, Inc. Methods and systems for purifying gases
JP4374393B1 (ja) 2008-05-27 2009-12-02 ダイナエアー株式会社 調湿装置
TW201043327A (en) * 2009-03-30 2010-12-16 Taiyo Nippon Sanso Corp Pressure swing adsorbing type gas separating method and separation device
JP5708121B2 (ja) * 2011-02-25 2015-04-30 栗田工業株式会社 二次電池のガス噴出防止材、ガス噴出防止システムおよびこれを用いた二次電池システム
WO2015049840A1 (fr) * 2013-10-03 2015-04-09 ダイキン工業株式会社 Unité de réfrigération pour conteneur
CN105233619A (zh) * 2015-11-13 2016-01-13 无锡清杨机械制造有限公司 一种机械工业大量用气的除油除水净化系统
US9708188B1 (en) * 2016-02-22 2017-07-18 Air Products And Chemicals, Inc. Method for argon production via cold pressure swing adsorption
US9925514B2 (en) 2016-02-22 2018-03-27 Air Products And Chemicals, Inc. Modified chabazite adsorbent compositions, methods of making and using them
US11420869B2 (en) * 2019-02-22 2022-08-23 Uop Llc Process for removing oxygen from a hydrogen stream
CN112495137B (zh) * 2020-11-12 2022-04-19 杭州汉德空分设备有限公司 一种变压吸附制氧设备
CN113251699B (zh) * 2021-05-12 2022-08-16 四川零碳工程科技有限公司 一种热回收式热泵制氧空调机组
CN113251700B (zh) * 2021-05-12 2022-08-16 四川零碳工程科技有限公司 一种无霜型热泵制氧空调机组
CN113663469B (zh) * 2021-08-13 2022-08-02 广东省迅怡净化科技有限公司 一种分子筛气体分离装置及其控制方法

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2223588A (en) * 1936-06-25 1940-12-03 Stewart Warner Corp Drying refrigerating units and like apparatus
US2359660A (en) * 1941-05-12 1944-10-03 J F Pritchard & Company System for reactivating adsorbents
BE500169A (fr) * 1950-01-05
US2790505A (en) * 1954-08-02 1957-04-30 United Gas Corp Methods of and means for dehydrating and processing fluid streams
US2910139A (en) * 1957-04-03 1959-10-27 Phillips Petroleum Co Drying of gases
US2995208A (en) * 1958-08-15 1961-08-08 Phillips Petroleum Co Adsorption process and apparatus
BE605131A (fr) * 1960-06-23
DE1544022B2 (de) * 1963-02-15 1969-10-30 Linde Ag, 6200 Wiesbaden Verfahren zur Anreicherung eines Bestandteiles in Gasgemischen
US3323288A (en) * 1964-05-27 1967-06-06 Union Carbide Corp Selective adsorption process and apparatus
US3490205A (en) * 1967-11-30 1970-01-20 Nasa High pressure gas filter system
US3734293A (en) * 1970-03-04 1973-05-22 Air Prod & Chem Thermoelectric adsorber
US3674429A (en) * 1971-01-06 1972-07-04 Union Carbide Corp Adsorption process for water and nitrogen oxides
US3712027A (en) * 1971-01-22 1973-01-23 Continental Oil Co Vapor adsorption process for recovering selected components from a multi-component gas stream
FR2135388B1 (fr) * 1971-05-03 1973-05-11 Air Liquide
US3850592A (en) * 1972-11-24 1974-11-26 Deltech Eng Inc Heat pump dryer
GB1449864A (en) * 1973-10-24 1976-09-15 Boc International Ltd Adsorption system
US4026680A (en) * 1974-10-30 1977-05-31 Union Carbide Corporation Air separation by adsorption
US3973931A (en) * 1974-10-30 1976-08-10 Union Carbide Corporation Air separation by adsorption
US4329158A (en) * 1980-06-13 1982-05-11 Air Products And Chemicals, Inc. Air fractionation by pressure swing adsorption
US4499208A (en) * 1983-05-13 1985-02-12 Union Carbide Corporation Activated carbon adsorbent with increased heat capacity and the production thereof
DE3319664A1 (de) * 1983-05-31 1984-12-06 Bergwerksverband Gmbh, 4300 Essen Verfahren und vorrichtung zur reinigung von gasgemischen
US4472178A (en) * 1983-07-05 1984-09-18 Air Products And Chemicals, Inc. Adsorptive process for the removal of carbon dioxide from a gas
DE3336427A1 (de) * 1983-10-06 1985-04-18 Linde Ag, 6200 Wiesbaden Verfahren und vorrichtung zum regenerieren von adsorbern
JPS60246205A (ja) * 1984-05-22 1985-12-05 Mitsubishi Heavy Ind Ltd Ｏ↓２製造装置の脱湿・冷熱回収方法
US4696681A (en) * 1986-10-01 1987-09-29 The Boc Group, Inc. PSA assembly
US4783432A (en) * 1987-04-28 1988-11-08 Pall Corporation Dryer regeneration through heat of compression and pressure swing desorption
JP2870913B2 (ja) * 1990-01-12 1999-03-17 東京電力株式会社 粗悪燃料のガス化ガスを燃料とするガスタービン発電方法

Also Published As

Publication number Publication date
US5169413A (en) 1992-12-08
ES2096001T3 (es) 1997-03-01
KR930008422A (ko) 1993-05-21
JPH05220320A (ja) 1993-08-31
CN1032848C (zh) 1996-09-25
MX9205709A (es) 1993-05-01
JP2524292B2 (ja) 1996-08-14
KR0153434B1 (ko) 1998-11-16
AR247708A1 (es) 1995-03-31
CA2079949C (fr) 1993-04-08
TW203561B (fr) 1993-04-11
DE69215641D1 (de) 1997-01-16
CN1071850A (zh) 1993-05-12
EP0537597A1 (fr) 1993-04-21
EP0537597B1 (fr) 1996-12-04
DE69215641T2 (de) 1997-06-12
BR9203886A (pt) 1993-04-27

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