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BR9305141A - Processo e sistema de membrana aperfeiçoados para a produção, em alta ou muito alta pureza, do componente menos seletivamente permeável de um gás de alimentação contendo o citado componente e um componente mais seletivamente permeável - Google Patents

Processo e sistema de membrana aperfeiçoados para a produção, em alta ou muito alta pureza, do componente menos seletivamente permeável de um gás de alimentação contendo o citado componente e um componente mais seletivamente permeável

Info

Publication number
BR9305141A
BR9305141A BR9305141A BR9305141A BR9305141A BR 9305141 A BR9305141 A BR 9305141A BR 9305141 A BR9305141 A BR 9305141A BR 9305141 A BR9305141 A BR 9305141A BR 9305141 A BR9305141 A BR 9305141A
Authority
BR
Brazil
Prior art keywords
component
selectively permeable
permeable component
production
gas containing
Prior art date
Application number
BR9305141A
Other languages
English (en)
Inventor
Ravi Prasad
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
Publication of BR9305141A publication Critical patent/BR9305141A/pt

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
    • B01D53/22—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

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 Using Semi-Permeable Membranes (AREA)
BR9305141A 1992-12-21 1993-12-20 Processo e sistema de membrana aperfeiçoados para a produção, em alta ou muito alta pureza, do componente menos seletivamente permeável de um gás de alimentação contendo o citado componente e um componente mais seletivamente permeável BR9305141A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/996,981 US5378263A (en) 1992-12-21 1992-12-21 High purity membrane nitrogen

Publications (1)

Publication Number Publication Date
BR9305141A true BR9305141A (pt) 1994-08-02

Family

ID=25543509

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9305141A BR9305141A (pt) 1992-12-21 1993-12-20 Processo e sistema de membrana aperfeiçoados para a produção, em alta ou muito alta pureza, do componente menos seletivamente permeável de um gás de alimentação contendo o citado componente e um componente mais seletivamente permeável

Country Status (5)

Country Link
US (1) US5378263A (pt)
EP (1) EP0603798A1 (pt)
JP (1) JPH07748A (pt)
BR (1) BR9305141A (pt)
CA (1) CA2111923A1 (pt)

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JP4357046B2 (ja) * 1999-10-01 2009-11-04 株式会社東芝 ガス回収装置
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US6478852B1 (en) 2000-02-18 2002-11-12 Cms Technology Holdings, Inc. Method of producing nitrogen enriched air
US6953492B2 (en) * 2000-06-01 2005-10-11 Enerfex, Inc. Membrane technology to reduce nitrogen in natural gas
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US11491440B2 (en) * 2019-12-03 2022-11-08 Air Liquide Advanced Technologies U.S. Llc Membrane nitrogen rejection process and system
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Also Published As

Publication number Publication date
EP0603798A1 (en) 1994-06-29
JPH07748A (ja) 1995-01-06
CA2111923A1 (en) 1994-06-22
US5378263A (en) 1995-01-03

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
HKFB Grant procedure suspended (deleted)
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law