CA951251A - Pretreated alumina and hf removal therewith - Google Patents

Pretreated alumina and hf removal therewith

Info

Publication number
CA951251A
CA951251A CA059,650A CA59650A CA951251A CA 951251 A CA951251 A CA 951251A CA 59650 A CA59650 A CA 59650A CA 951251 A CA951251 A CA 951251A
Authority
CA
Canada
Prior art keywords
removal therewith
pretreated alumina
pretreated
alumina
therewith
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
CA059,650A
Other languages
English (en)
Other versions
CA59650S (en
Inventor
Aaron J. Teller
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.)
Wellman-Power Gas Inc
Original Assignee
Wellman-Power Gas 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 Wellman-Power Gas Inc filed Critical Wellman-Power Gas Inc
Application granted granted Critical
Publication of CA951251A publication Critical patent/CA951251A/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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treating Waste Gases (AREA)
CA059,650A 1968-09-05 1969-08-15 Pretreated alumina and hf removal therewith Expired CA951251A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75755668A 1968-09-05 1968-09-05
US1938170A 1970-03-13 1970-03-13

Publications (1)

Publication Number Publication Date
CA951251A true CA951251A (en) 1974-07-16

Family

ID=26692162

Family Applications (1)

Application Number Title Priority Date Filing Date
CA059,650A Expired CA951251A (en) 1968-09-05 1969-08-15 Pretreated alumina and hf removal therewith

Country Status (7)

Country Link
US (1) US3773633A (fr)
CA (1) CA951251A (fr)
CH (1) CH516334A (fr)
DE (1) DE1944499A1 (fr)
FR (1) FR2017453A1 (fr)
GB (1) GB1281357A (fr)
NL (1) NL6913554A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050999A (en) * 1974-06-26 1977-09-27 R.C.M. Corporation Process for the production and use of activated alumina to produce aluminum
US4271134A (en) * 1979-03-08 1981-06-02 Teller Environmental Systems, Inc. Treatment of effluent gases from the manufacture of fertilizer
US4695290A (en) * 1983-07-26 1987-09-22 Integrated Carbons Corporation Integrated coal cleaning process with mixed acid regeneration
FR2573324B1 (fr) * 1984-11-21 1989-08-04 Air Liquide Procede d'elimination des composes halogenes acides gazeux
US4687640A (en) * 1985-11-08 1987-08-18 Figgie International Inc. Chlorine gas filtering material suitable for use in a chemical oxygen generator
JP4237942B2 (ja) * 1998-08-17 2009-03-11 株式会社荏原製作所 フッ素含有化合物を含む排ガスの処理方法及び装置
US7373791B1 (en) 1999-07-13 2008-05-20 Ppg Industries Ohio, Inc. Methods of forming particulate glass batch compositions
CN104141155B (zh) * 2014-07-10 2016-06-08 湖州织里荣华铝业有限公司 一种电解铝废气处理装置

Also Published As

Publication number Publication date
US3773633A (en) 1973-11-20
FR2017453A1 (fr) 1970-05-22
CH516334A (fr) 1971-12-15
DE1944499A1 (de) 1970-05-06
NL6913554A (fr) 1970-03-09
GB1281357A (en) 1972-07-12

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