NO992990D0 - FremgangsmÕte for utvinning av CF4 og C2F6 fra en gass - Google Patents

FremgangsmÕte for utvinning av CF4 og C2F6 fra en gass

Info

Publication number
NO992990D0
NO992990D0 NO992990A NO992990A NO992990D0 NO 992990 D0 NO992990 D0 NO 992990D0 NO 992990 A NO992990 A NO 992990A NO 992990 A NO992990 A NO 992990A NO 992990 D0 NO992990 D0 NO 992990D0
Authority
NO
Norway
Prior art keywords
vent gas
gas
recovery
purified
inorganic fluorides
Prior art date
Application number
NO992990A
Other languages
English (en)
Other versions
NO992990L (no
NO321288B1 (no
Inventor
Yao-En Li
Original Assignee
L Air Liquide Sociutu Anonyme
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 L Air Liquide Sociutu Anonyme filed Critical L Air Liquide Sociutu Anonyme
Publication of NO992990D0 publication Critical patent/NO992990D0/no
Publication of NO992990L publication Critical patent/NO992990L/no
Publication of NO321288B1 publication Critical patent/NO321288B1/no

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
    • C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
    • C25C3/22—Collecting emitted gases
    • 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
    • B01D53/229—Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Treating Waste Gases (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
NO19992990A 1996-12-23 1999-06-18 Fremgangsmate for gjenvinning av CF4 og C2F6 fra en avgass fra fremstilling av aluminium. NO321288B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/772,469 US5814127A (en) 1996-12-23 1996-12-23 Process for recovering CF4 and C2 F6 from a gas
PCT/US1997/022306 WO1998028062A1 (en) 1996-12-23 1997-12-16 Process for recovering cf4 and c2f6 from a gas

Publications (3)

Publication Number Publication Date
NO992990D0 true NO992990D0 (no) 1999-06-18
NO992990L NO992990L (no) 1999-08-20
NO321288B1 NO321288B1 (no) 2006-04-18

Family

ID=25095170

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19992990A NO321288B1 (no) 1996-12-23 1999-06-18 Fremgangsmate for gjenvinning av CF4 og C2F6 fra en avgass fra fremstilling av aluminium.

Country Status (13)

Country Link
US (2) US5814127A (no)
EP (1) EP0951337B1 (no)
JP (1) JP3274474B2 (no)
CN (1) CN1244813A (no)
AT (1) ATE232132T1 (no)
AU (1) AU715057B2 (no)
BR (1) BR9713633A (no)
CA (1) CA2275907C (no)
DE (1) DE69718933T2 (no)
ES (1) ES2192276T3 (no)
NO (1) NO321288B1 (no)
PL (1) PL334243A1 (no)
WO (1) WO1998028062A1 (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102409360A (zh) * 2011-11-22 2012-04-11 中国铝业股份有限公司 一种识别并抑制铝电解槽pfc排放的方法

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US20010009652A1 (en) * 1998-05-28 2001-07-26 Jose I. Arno Apparatus and method for point-of-use abatement of fluorocompounds
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US6017382A (en) * 1998-03-30 2000-01-25 The Boc Group, Inc. Method of processing semiconductor manufacturing exhaust gases
US6187077B1 (en) * 1998-04-17 2001-02-13 American Air Liquide Inc. Separation of CF4 and C2F6 from a perfluorocompound mixture
US6395066B1 (en) * 1999-03-05 2002-05-28 Ube Industries, Ltd. Partially carbonized asymmetric hollow fiber separation membrane, process for its production, and gas separation method
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DE19923155A1 (de) * 1999-05-20 2000-11-23 Solvay Fluor & Derivate SF¶6¶-Abtrennung aus Isoliergasen aus gasisolierten Leitungen
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NO332375B1 (no) 2008-09-19 2012-09-10 Norsk Hydro As Punktmater med integrert avgassoppsamling samt en fremgangsmate for avgassoppsamling
EP2458034A1 (en) * 2010-01-21 2012-05-30 Alstom Technology Ltd A method of ventilating an aluminium production electrolytic cell
EP2489422B1 (en) * 2011-02-18 2013-10-30 Alstom Technology Ltd A device and a method of cleaning an effluent gas from an aluminium production electrolytic cell
US8920540B2 (en) * 2012-06-08 2014-12-30 Alstom Technology Ltd Compact air quality control system compartment for aluminium production plant
ES2583903T3 (es) 2013-07-30 2016-09-22 Haldor Topso¿E A/S Procedimiento para producir CO de alta pureza mediante purificación con membrana de CO producido mediante SOEC
CN106149008A (zh) * 2015-04-22 2016-11-23 沈阳铝镁科技有限公司 铝电解槽烟道自动清灰装置
CN107413183B (zh) * 2016-05-24 2020-10-20 中国石油化工股份有限公司 一种有机废气回收处理工艺与成套装置
NO20190343A1 (en) 2019-03-14 2020-09-15 Norsk Hydro As Arrangement for collection of hot gas from an electrolysis process, and a method for such gas collection

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102409360A (zh) * 2011-11-22 2012-04-11 中国铝业股份有限公司 一种识别并抑制铝电解槽pfc排放的方法

Also Published As

Publication number Publication date
CA2275907C (en) 2005-11-15
AU5593798A (en) 1998-07-17
JP3274474B2 (ja) 2002-04-15
DE69718933D1 (de) 2003-03-13
AU715057B2 (en) 2000-01-13
ATE232132T1 (de) 2003-02-15
CA2275907A1 (en) 1998-07-02
NO992990L (no) 1999-08-20
EP0951337B1 (en) 2003-02-05
CN1244813A (zh) 2000-02-16
US5814127A (en) 1998-09-29
DE69718933T2 (de) 2003-12-24
NO321288B1 (no) 2006-04-18
PL334243A1 (en) 2000-02-14
EP0951337A1 (en) 1999-10-27
BR9713633A (pt) 2000-04-11
US5968334A (en) 1999-10-19
WO1998028062A1 (en) 1998-07-02
ES2192276T3 (es) 2003-10-01
JP2000509653A (ja) 2000-08-02

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