ZA836645B - Control system and method for air fractionation by vacuum swing adsorption - Google Patents

Control system and method for air fractionation by vacuum swing adsorption

Info

Publication number
ZA836645B
ZA836645B ZA836645A ZA836645A ZA836645B ZA 836645 B ZA836645 B ZA 836645B ZA 836645 A ZA836645 A ZA 836645A ZA 836645 A ZA836645 A ZA 836645A ZA 836645 B ZA836645 B ZA 836645B
Authority
ZA
South Africa
Prior art keywords
control system
swing adsorption
vacuum swing
air fractionation
fractionation
Prior art date
Application number
ZA836645A
Other languages
English (en)
Inventor
Sircar Shivaji
Original Assignee
Air Prod & Chem
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 Air Prod & Chem filed Critical Air Prod & Chem
Publication of ZA836645B publication Critical patent/ZA836645B/xx

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
    • 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
    • B01D53/0476—Vacuum 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
    • 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
    • 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
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40003—Methods relating to valve switching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40007—Controlling pressure or temperature swing adsorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40007—Controlling pressure or temperature swing adsorption
    • B01D2259/40009—Controlling pressure or temperature swing adsorption using sensors or gas analysers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40043—Purging
    • B01D2259/4005—Nature of purge gas
    • B01D2259/40052—Recycled product or process gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
    • B01D2259/40058—Number of sequence steps, including sub-steps, per cycle
    • B01D2259/40062—Four
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/404—Further details for adsorption processes and devices using four beds
    • 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
    • B01D53/0454—Controlling adsorption

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)
  • Oxygen, Ozone, And Oxides In General (AREA)
ZA836645A 1982-09-09 1983-09-07 Control system and method for air fractionation by vacuum swing adsorption ZA836645B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/416,433 US4472177A (en) 1982-09-09 1982-09-09 Control system and method for air fractionation by vacuum swing adsorption

Publications (1)

Publication Number Publication Date
ZA836645B true ZA836645B (en) 1984-04-25

Family

ID=23649962

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA836645A ZA836645B (en) 1982-09-09 1983-09-07 Control system and method for air fractionation by vacuum swing adsorption

Country Status (8)

Country Link
US (1) US4472177A (xx)
EP (1) EP0105226A3 (xx)
JP (1) JPS5973029A (xx)
KR (2) KR880000125B1 (xx)
BR (1) BR8304889A (xx)
CA (1) CA1207245A (xx)
MX (1) MX154254A (xx)
ZA (1) ZA836645B (xx)

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US5529607A (en) * 1995-03-15 1996-06-25 The Boc Group, Inc. PSA process with dynamic purge control
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US6063169A (en) * 1996-05-10 2000-05-16 Litton Systems, Inc. Control means for molecular sieve on-board oxygen generator
US5906672A (en) * 1996-06-14 1999-05-25 Invacare Corporation Closed-loop feedback control for oxygen concentrator
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US5733359A (en) * 1996-06-19 1998-03-31 The Boc Group, Inc. Pressure swing adsorption process turndown control
DE29719775U1 (de) * 1996-12-11 1998-02-05 SGI-Prozesstechnik GmbH, 63674 Altenstadt Druckwechselanlage zur Gewinnung von Sauerstoff aus der Luft
ATE261757T1 (de) * 1996-12-11 2004-04-15 Sgi Prozess Technik Gmbh Verfahren zum betrieb einer druckwechselanlage zur gewinnung von sauerstoff aus der luft
US5858063A (en) * 1997-06-03 1999-01-12 Litton Systems, Inc. Oxygen concentrator with beds' duty cycle control and self-test
FR2764205B1 (fr) * 1997-06-09 1999-07-16 Air Liquide Dispositif et procede psa de separation d'un melange gazeux
US5871564A (en) * 1997-06-16 1999-02-16 Airsep Corp Pressure swing adsorption apparatus
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US5989313A (en) * 1997-12-19 1999-11-23 Praxair Technology, Inc. Method for operation of an air prepurifier which takes into account inlet air conditions
US6152163A (en) * 1998-04-23 2000-11-28 United Dominion Industries, Inc. Switching valve for multi-chamber adsorbent air and gas fractionation system
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FR2785554B1 (fr) * 1998-11-09 2000-12-22 Air Liquide Unite psa ou vsa a debit et pression de production conjointement regules
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CN1482937A (zh) * 2000-12-26 2004-03-17 ס�Ѿ�����ʽ���� 目标气体的分离方法和分离装置
FR2841153B1 (fr) * 2002-06-21 2004-07-23 Air Liquide Procede de regulation d'une unite de traitement, par adsorption a modulation de pression, d'au moins un gaz de charge
US6669758B1 (en) 2002-06-27 2003-12-30 Carleton Life Support Systems, Inc. Variable inlet air restriction for composition control of product gas
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US7171963B2 (en) * 2005-02-09 2007-02-06 Vbox, Incorporated Product pump for an oxygen concentrator
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US20060174875A1 (en) * 2005-02-09 2006-08-10 Vbox, Incorporated Ambulatory oxygen concentrator containing a power pack
US7866315B2 (en) 2005-02-09 2011-01-11 Vbox, Incorporated Method and apparatus for controlling the purity of oxygen produced by an oxygen concentrator
US7954490B2 (en) 2005-02-09 2011-06-07 Vbox, Incorporated Method of providing ambulatory oxygen
US7604005B2 (en) 2005-02-09 2009-10-20 Vbox Incorporated Adsorbent cartridge for oxygen concentrator
CN101861182B (zh) * 2007-11-15 2014-07-23 帝人制药株式会社 氧浓缩装置
US20090308396A1 (en) * 2008-06-13 2009-12-17 Delphi Technologies Wearable Oxygen Concentrator System
US8394178B2 (en) 2009-07-22 2013-03-12 Vbox, Incorporated Apparatus for separating oxygen from ambient air
CN102712859B (zh) * 2010-01-26 2014-06-25 大阪瓦斯株式会社 可燃性气体浓缩装置
US20130078113A1 (en) * 2010-05-17 2013-03-28 Konstantin Chuntonov Sorption pump with mechanical activation of getter material and process for capturing of active gases
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Also Published As

Publication number Publication date
KR840005980A (ko) 1984-11-21
KR880014857A (ko) 1988-12-24
EP0105226A2 (en) 1984-04-11
KR920010791B1 (ko) 1992-12-17
MX154254A (es) 1987-06-26
CA1207245A (en) 1986-07-08
KR880000125B1 (ko) 1988-03-12
JPS5973029A (ja) 1984-04-25
EP0105226A3 (en) 1985-01-09
US4472177A (en) 1984-09-18
BR8304889A (pt) 1984-04-24

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