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BR9802050A - Processo para remover oxigênio de uma corrente gasosa de alimentação contendo oxigênio elementar e pelo menos um outro gás para produzir uma corrente gasosa de retido com conte·do de oxigênio diminuído. - Google Patents

Processo para remover oxigênio de uma corrente gasosa de alimentação contendo oxigênio elementar e pelo menos um outro gás para produzir uma corrente gasosa de retido com conte·do de oxigênio diminuído.

Info

Publication number
BR9802050A
BR9802050A BR9802050-1A BR9802050A BR9802050A BR 9802050 A BR9802050 A BR 9802050A BR 9802050 A BR9802050 A BR 9802050A BR 9802050 A BR9802050 A BR 9802050A
Authority
BR
Brazil
Prior art keywords
oxygen
gas
stream
produce
decreased
Prior art date
Application number
BR9802050-1A
Other languages
English (en)
Inventor
Ravi Prasad
Christian Friedrich Gottzmann
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 BR9802050A publication Critical patent/BR9802050A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02—Preparation of oxygen
    • C01B13/0229—Purification or separation processes
    • C01B13/0248—Physical processing only
    • C01B13/0251—Physical processing only by making use of membranes
    • C01B13/0255—Physical processing only by making use of membranes characterised by the type of membrane
    • 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
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/42—Electrodialysis; Electro-osmosis ; Electro-ultrafiltration; Membrane capacitive deionization
    • B01D61/44—Ion-selective electrodialysis
    • B01D61/54—Controlling or regulating
    • 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
    • B01D2257/104—Oxygen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Urology & Nephrology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

"PROCESSO PARA REMOVER OXIGêNIO DE UMA CORRENTE GASOSA DE ALIMENTAçãO CONTENDO OXIGêNIO ELEMENTAR E PELO MENOS UM OUTRO GáS PARA PRODUZIR UMA CORRENTE GASOSA DE RETIDO COM CONTEúDO DE OXIGêNIO DIMINUìDO". Processo para remover oxigênio de uma corrente gasosa de alimentação para produzir uma corrente gasosa de retido com conteúdo de oxigênio diminuído por meio de alimentação da corrente gasosa de alimentação em um sistema de separação volumosa de oxigênio para remover oxigênio a fim de produzir uma corrente de produto gasoso bruto com conteúdo de oxigênio diminuído e uma primeira corrente de efeuente de permeado contendo oxigênio, e alimentar a corrente de produto gasoso bruto com conteúdo de oxigênio diminuído em um separador possuindo uma membrana transportadora de íons primária para produzir uma segunda corrente de efluente de permeado e a corrente gasosa de retido com conteúdo de oxigênio diminuído. Um gás de purga reativo é adicionado para reagir com uma porção do permeado de oxigênio através da membrana transportadora de íons primária e purgar o lado de permeado da membrana transportadora de íons primária, e/ou uma corrente gasosa de reciclo compreendendo pelo menos uma porção de uma corrente gasosa durante o processo é adicionada em pelo menos uma das outras correntes gasosas.
BR9802050-1A 1997-06-23 1998-06-22 Processo para remover oxigênio de uma corrente gasosa de alimentação contendo oxigênio elementar e pelo menos um outro gás para produzir uma corrente gasosa de retido com conte·do de oxigênio diminuído. BR9802050A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/880,879 US5851266A (en) 1997-06-23 1997-06-23 Hybrid solid electrolyte ionic conductor systems for purifying inert gases

Publications (1)

Publication Number Publication Date
BR9802050A true BR9802050A (pt) 1999-11-16

Family

ID=25377319

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9802050-1A BR9802050A (pt) 1997-06-23 1998-06-22 Processo para remover oxigênio de uma corrente gasosa de alimentação contendo oxigênio elementar e pelo menos um outro gás para produzir uma corrente gasosa de retido com conte·do de oxigênio diminuído.

Country Status (11)

Country Link
US (1) US5851266A (pt)
EP (1) EP0887099A3 (pt)
JP (1) JPH1119459A (pt)
KR (1) KR19990007192A (pt)
CN (1) CN1212176A (pt)
AU (1) AU746679B2 (pt)
BR (1) BR9802050A (pt)
CA (1) CA2241582C (pt)
ID (1) ID20468A (pt)
RU (1) RU2179060C2 (pt)
ZA (1) ZA985425B (pt)

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US7425231B2 (en) * 2003-08-06 2008-09-16 Air Products And Chemicals, Inc. Feed gas contaminant removal in ion transport membrane systems
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US20060236719A1 (en) * 2005-04-22 2006-10-26 Lane Jonathan A Gas stream purification method utilizing electrically driven oxygen ion transport
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EP3102313B1 (en) * 2014-02-03 2021-04-21 Eurosider S.a.S. di Milli Ottavio & C. Module for separating nitrogen with hollow-fibre membrane
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Also Published As

Publication number Publication date
RU2179060C2 (ru) 2002-02-10
ZA985425B (en) 1999-01-06
CA2241582C (en) 2001-08-21
CN1212176A (zh) 1999-03-31
KR19990007192A (ko) 1999-01-25
CA2241582A1 (en) 1998-12-23
AU746679B2 (en) 2002-05-02
EP0887099A3 (en) 1999-03-24
ID20468A (id) 1998-12-24
EP0887099A2 (en) 1998-12-30
AU7307398A (en) 1998-12-24
JPH1119459A (ja) 1999-01-26
US5851266A (en) 1998-12-22

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A,6A E 7A ANUIDADES.