CA992725A - Method of recovering fluorine from aluminium reduction cell waste gases - Google Patents

Method of recovering fluorine from aluminium reduction cell waste gases

Info

Publication number
CA992725A
CA992725A CA163,855A CA163855A CA992725A CA 992725 A CA992725 A CA 992725A CA 163855 A CA163855 A CA 163855A CA 992725 A CA992725 A CA 992725A
Authority
CA
Canada
Prior art keywords
waste gases
reduction cell
cell waste
aluminium reduction
recovering fluorine
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
CA163,855A
Other versions
CA163855S (en
Inventor
Gary J. Gurnon
William H. Minchin
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.)
Alcan Research and Development Ltd
Original Assignee
Alcan Research and Development Ltd
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 Alcan Research and Development Ltd filed Critical Alcan Research and Development Ltd
Application granted granted Critical
Publication of CA992725A publication Critical patent/CA992725A/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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/68—Halogens or halogen compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/48—Halides, with or without other cations besides aluminium
    • C01F7/50—Fluorides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Treating Waste Gases (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
CA163,855A 1972-02-18 1973-02-16 Method of recovering fluorine from aluminium reduction cell waste gases Expired CA992725A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB774572A GB1416344A (en) 1972-02-18 1972-02-18 Method of recovering fluorine from aluminium reduction cell waste gases

Publications (1)

Publication Number Publication Date
CA992725A true CA992725A (en) 1976-07-13

Family

ID=9838916

Family Applications (1)

Application Number Title Priority Date Filing Date
CA163,855A Expired CA992725A (en) 1972-02-18 1973-02-16 Method of recovering fluorine from aluminium reduction cell waste gases

Country Status (9)

Country Link
JP (1) JPS4893593A (en)
CA (1) CA992725A (en)
CH (1) CH562332A5 (en)
DE (1) DE2307275B2 (en)
ES (1) ES411751A1 (en)
FR (1) FR2172366A1 (en)
GB (1) GB1416344A (en)
IT (1) IT978653B (en)
SU (1) SU528854A3 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7506339A (en) * 1974-06-06 1975-12-09 Hosokawa Micromeretics Lab Lim METHOD AND DEVICE FOR DRY REMOVAL OF AIR-CARRIED EFFLUENT IN THE ALUMINUM PREPARATION.
JPS56108532A (en) * 1980-02-04 1981-08-28 Hitachi Ltd Iodine adsorbing material and preparation thereof
NO147791C (en) * 1981-02-05 1983-06-15 Norsk Viftefabrikk As PROCEDURE FOR THE SEPARATION OF FINE DUST CONTAINING POLLUTANTS FROM ALUMINUM OXYDE USED AS ADSORBENT IN A DRY CLEANING SYSTEM
DE3235558A1 (en) * 1982-09-25 1984-03-29 Metallgesellschaft Ag, 6000 Frankfurt METHOD FOR SEPARATING POLLUTANTS FROM EXHAUST GAS
US5658544A (en) * 1990-08-03 1997-08-19 Comalco Aluminium Limited Gas-solid contacting method
CN1036506C (en) * 1993-08-21 1997-11-26 石文杰 Silica-gel removing and fluorine recovering method and apparatus
BR9408059A (en) * 1993-11-16 1996-12-24 Comalco Alu Counter-current gas-solid contact
SE503678C2 (en) * 1994-11-23 1996-07-29 Flaekt Ab Methods and apparatus for separating substances from a gaseous medium by dry adsorption
NO310933B1 (en) * 1997-06-25 2001-09-17 Flaekt Ab Treatment plant
NO314023B1 (en) * 1998-09-17 2003-01-20 Flaekt Ab Method and apparatus for increasing the efficiency of dry treatment plants
FR2848875B1 (en) * 2002-12-18 2005-02-11 Pechiney Aluminium METHOD AND DEVICE FOR TREATING ELECTROLYTIC CELL EFFLUENTS FOR ALUMINUM PRODUCTION

Also Published As

Publication number Publication date
IT978653B (en) 1974-09-20
JPS4893593A (en) 1973-12-04
ES411751A1 (en) 1976-04-16
DE2307275B2 (en) 1976-06-24
CH562332A5 (en) 1975-05-30
SU528854A3 (en) 1976-09-15
GB1416344A (en) 1975-12-03
DE2307275A1 (en) 1973-08-23
FR2172366A1 (en) 1973-09-28

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