CA965223A - Dry scrubbing of fluoride-containing fumes from aluminium electrolytic cells - Google Patents

Dry scrubbing of fluoride-containing fumes from aluminium electrolytic cells

Info

Publication number
CA965223A
CA965223A CA147,698A CA147698A CA965223A CA 965223 A CA965223 A CA 965223A CA 147698 A CA147698 A CA 147698A CA 965223 A CA965223 A CA 965223A
Authority
CA
Canada
Prior art keywords
fluoride
electrolytic cells
aluminium electrolytic
dry scrubbing
containing fumes
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
CA147,698A
Other versions
CA147698S (en
Inventor
Ragnar Nokleby
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.)
Ardal og Sunndal Verk AS
Original Assignee
Ardal og Sunndal Verk AS
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 Ardal og Sunndal Verk AS filed Critical Ardal og Sunndal Verk AS
Application granted granted Critical
Publication of CA965223A publication Critical patent/CA965223A/en
Expired legal-status Critical Current

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
    • B01D53/34—Chemical or biological purification of waste 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
    • B01D53/34—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
CA147,698A 1971-07-22 1972-07-21 Dry scrubbing of fluoride-containing fumes from aluminium electrolytic cells Expired CA965223A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO280271A NO126628B (en) 1971-07-22 1971-07-22

Publications (1)

Publication Number Publication Date
CA965223A true CA965223A (en) 1975-04-01

Family

ID=19879155

Family Applications (1)

Application Number Title Priority Date Filing Date
CA147,698A Expired CA965223A (en) 1971-07-22 1972-07-21 Dry scrubbing of fluoride-containing fumes from aluminium electrolytic cells

Country Status (11)

Country Link
JP (1) JPS49107958A (en)
AU (1) AU4472472A (en)
BR (1) BR7204898D0 (en)
CA (1) CA965223A (en)
DE (1) DE2236030A1 (en)
FR (1) FR2146505B3 (en)
GB (1) GB1375476A (en)
IS (1) IS2090A7 (en)
IT (1) IT961645B (en)
NL (1) NL7210074A (en)
NO (1) NO126628B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1571222A (en) * 1977-03-10 1980-07-09 Ardal Og Sunndal Verk Process and apparatus for treatment of waste gases
SE467952B (en) * 1990-04-27 1992-10-12 Flaekt Ab SET AND DEVICE TO INCREASE THE EXTENSION OF USE FOR A DRY SORBENT
IS3896A (en) * 1991-08-07 1993-02-08 Comalco Aluminium Limited Purification of gaseous fluorides from industrial emissions
TW279242B (en) * 1994-11-29 1996-06-21 Asahi Denka Kogyo Kk The wasted-gas processing method & device for CVD apparatus
CN102485963A (en) * 2010-12-02 2012-06-06 沈阳铝镁设计研究院有限公司 Structure for controlling wind pressure balance of aluminium electrolysis-based purification flue gas pipeline

Also Published As

Publication number Publication date
FR2146505A1 (en) 1973-03-02
DE2236030A1 (en) 1973-02-01
IS2090A7 (en) 1972-08-23
GB1375476A (en) 1974-11-27
NO126628B (en) 1973-03-05
NL7210074A (en) 1973-01-24
JPS49107958A (en) 1974-10-14
IT961645B (en) 1973-12-10
BR7204898D0 (en) 1973-05-15
AU4472472A (en) 1974-02-07
FR2146505B3 (en) 1975-09-05

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