FR2323769A1 - PROCESS FOR LOWERING THE DEGREE OF CONTAMINATION OF ALUMINUM PRODUCED BY CARBOTHERMAL PROCESSES - Google Patents

PROCESS FOR LOWERING THE DEGREE OF CONTAMINATION OF ALUMINUM PRODUCED BY CARBOTHERMAL PROCESSES

Info

Publication number
FR2323769A1
FR2323769A1 FR7625724A FR7625724A FR2323769A1 FR 2323769 A1 FR2323769 A1 FR 2323769A1 FR 7625724 A FR7625724 A FR 7625724A FR 7625724 A FR7625724 A FR 7625724A FR 2323769 A1 FR2323769 A1 FR 2323769A1
Authority
FR
France
Prior art keywords
contamination
lowering
degree
aluminum produced
carbothermal processes
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.)
Granted
Application number
FR7625724A
Other languages
French (fr)
Other versions
FR2323769B1 (en
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.)
Reynolds Metals Co
Original Assignee
Reynolds Metals Co
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
Priority claimed from US05/611,794 external-priority patent/US3975187A/en
Application filed by Reynolds Metals Co filed Critical Reynolds Metals Co
Publication of FR2323769A1 publication Critical patent/FR2323769A1/en
Application granted granted Critical
Publication of FR2323769B1 publication Critical patent/FR2323769B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00—Obtaining aluminium
    • C22B21/02—Obtaining aluminium with reducing
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B21/00—Obtaining aluminium
    • C22B21/06—Obtaining aluminium refining
    • C22B21/064—Obtaining aluminium refining using inert or reactive gases

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR7625724A 1975-09-09 1976-08-25 PROCESS FOR LOWERING THE DEGREE OF CONTAMINATION OF ALUMINUM PRODUCED BY CARBOTHERMAL PROCESSES Granted FR2323769A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/611,794 US3975187A (en) 1975-02-13 1975-09-09 Treatment of carbothermically produced aluminum

Publications (2)

Publication Number Publication Date
FR2323769A1 true FR2323769A1 (en) 1977-04-08
FR2323769B1 FR2323769B1 (en) 1982-05-28

Family

ID=24450436

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7625724A Granted FR2323769A1 (en) 1975-09-09 1976-08-25 PROCESS FOR LOWERING THE DEGREE OF CONTAMINATION OF ALUMINUM PRODUCED BY CARBOTHERMAL PROCESSES

Country Status (6)

Country Link
JP (1) JPS5232811A (en)
AU (1) AU503487B2 (en)
CA (1) CA1078626A (en)
DE (1) DE2637282A1 (en)
FR (1) FR2323769A1 (en)
GB (1) GB1549794A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980001082A1 (en) * 1978-11-21 1980-05-29 Alusuisse Purification process of molten aluminum
FR2447973A1 (en) * 1979-01-31 1980-08-29 Reynolds Metals Co PROCESS FOR REDUCING CONTAMINATION BY ALUMINUM CARBIDE OF ALUMINUM PRODUCED BY CARBOTHERMIC PROCESSES

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS609836A (en) * 1983-06-27 1985-01-18 Nippon Light Metal Co Ltd Treatment of molten aluminum
JPH0712228B2 (en) * 1985-11-25 1995-02-08 ソニー株式会社 Burst signal phase error detection circuit
JPS62152288A (en) * 1985-12-25 1987-07-07 Mitsubishi Electric Corp Burst gate pulse generator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144014B (en) * 1958-03-14 1963-02-21 Pechiney Prod Chimiques Sa Process for the reduction of aluminum oxide with carbon in an electric arc furnace
US3149960A (en) * 1960-11-02 1964-09-22 Reynolds Metals Co Aluminum degassing system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980001082A1 (en) * 1978-11-21 1980-05-29 Alusuisse Purification process of molten aluminum
FR2447973A1 (en) * 1979-01-31 1980-08-29 Reynolds Metals Co PROCESS FOR REDUCING CONTAMINATION BY ALUMINUM CARBIDE OF ALUMINUM PRODUCED BY CARBOTHERMIC PROCESSES

Also Published As

Publication number Publication date
JPS6124457B2 (en) 1986-06-11
DE2637282A1 (en) 1977-03-17
CA1078626A (en) 1980-06-03
GB1549794A (en) 1979-08-08
JPS5232811A (en) 1977-03-12
FR2323769B1 (en) 1982-05-28
AU1690076A (en) 1978-02-23
AU503487B2 (en) 1979-09-06

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Legal Events

Date Code Title Description
ST Notification of lapse