GB2033777B - Separating oxygen and nitrogen from air by adsorption - Google Patents

Separating oxygen and nitrogen from air by adsorption

Info

Publication number
GB2033777B
GB2033777B GB7843929A GB7843929A GB2033777B GB 2033777 B GB2033777 B GB 2033777B GB 7843929 A GB7843929 A GB 7843929A GB 7843929 A GB7843929 A GB 7843929A GB 2033777 B GB2033777 B GB 2033777B
Authority
GB
United Kingdom
Prior art keywords
adsorption
nitrogen
air
separating oxygen
separating
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
Application number
GB7843929A
Other versions
GB2033777A (en
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 Products and Chemicals Inc
Original Assignee
Air Products and Chemicals 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 Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc
Priority to GB7843929A priority Critical patent/GB2033777B/en
Publication of GB2033777A publication Critical patent/GB2033777A/en
Application granted granted Critical
Publication of GB2033777B publication Critical patent/GB2033777B/en
Expired 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
    • B01D53/06—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 moving adsorbents, e.g. rotating 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
    • 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
    • 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
    • C01B21/0433—Physical processing only
    • C01B21/045—Physical processing only by adsorption in solids
    • 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
    • B01D2259/40005—Methods relating to valve switching using rotary valves
    • 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
    • B01D2259/406—Further details for adsorption processes and devices using more than four beds
    • B01D2259/4065—Further details for adsorption processes and devices using more than four beds using eight beds
    • 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
    • B01D2259/41—Further details for adsorption processes and devices using plural beds of the same adsorbent in series
GB7843929A 1978-11-09 1978-11-09 Separating oxygen and nitrogen from air by adsorption Expired GB2033777B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7843929A GB2033777B (en) 1978-11-09 1978-11-09 Separating oxygen and nitrogen from air by adsorption

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7843929A GB2033777B (en) 1978-11-09 1978-11-09 Separating oxygen and nitrogen from air by adsorption

Publications (2)

Publication Number Publication Date
GB2033777A GB2033777A (en) 1980-05-29
GB2033777B true GB2033777B (en) 1983-05-05

Family

ID=10500924

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7843929A Expired GB2033777B (en) 1978-11-09 1978-11-09 Separating oxygen and nitrogen from air by adsorption

Country Status (1)

Country Link
GB (1) GB2033777B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU532379B2 (en) * 1980-10-27 1983-09-29 Sumitomo Rubber Industries, Ltd. Vulchnisation of elastomer products
DE3238969A1 (en) * 1982-10-21 1984-04-26 Preussag AG, 3150 Peine DEVICE FOR DISASSEMBLING A GAS MIXTURE BY SELECTIVE ADSORPTION OF A MIXTURE FRACTION
LU88160A1 (en) * 1992-08-18 1993-10-27 Fernande Schartz METHOD AND DEVICE FOR SEPARATING GAS BY SELECTIVE VARIABLE PRESSURE ADSORPTION
DE4318203C1 (en) * 1993-06-01 1994-09-15 Ppv Verwaltungs Ag Rotary slide valve and use thereof
US5487775A (en) * 1994-05-09 1996-01-30 The Boc Group, Inc. Continuous pressure difference driven adsorption process
USRE38493E1 (en) * 1996-04-24 2004-04-13 Questair Technologies Inc. Flow regulated pressure swing adsorption system
US6063161A (en) * 1996-04-24 2000-05-16 Sofinoy Societte Financiere D'innovation Inc. Flow regulated pressure swing adsorption system
US5827358A (en) * 1996-11-08 1998-10-27 Impact Mst, Incorporation Rapid cycle pressure swing adsorption oxygen concentration method and apparatus
US6253778B1 (en) 1998-11-19 2001-07-03 Praxair Technology, Inc. Rotary valve
US6143056A (en) * 1998-11-19 2000-11-07 Praxair Technology, Inc. Rotary valve for two bed vacuum pressure swing absorption system
US6514319B2 (en) * 1999-12-09 2003-02-04 Questair Technologies Inc. Life support oxygen concentrator
US7250073B2 (en) 1999-12-09 2007-07-31 Questair Technologies, Inc. Life support oxygen concentrator
KR20060119947A (en) * 2003-09-09 2006-11-24 데이진 화-마 가부시키가이샤 Oxygen concentrating apparatus and rotary valve

Also Published As

Publication number Publication date
GB2033777A (en) 1980-05-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee