FR2323769B1 - - Google Patents

Info

Publication number
FR2323769B1
FR2323769B1 FR7625724A FR7625724A FR2323769B1 FR 2323769 B1 FR2323769 B1 FR 2323769B1 FR 7625724 A FR7625724 A FR 7625724A FR 7625724 A FR7625724 A FR 7625724A FR 2323769 B1 FR2323769 B1 FR 2323769B1
Authority
FR
France
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
FR7625724A
Other languages
French (fr)
Other versions
FR2323769A1 (fr
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/fr
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 Procede pour abaisser le degre de contamination de l'aluminium produit par des procedes carbothermiques Granted FR2323769A1 (fr)

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 FR2323769A1 (fr) 1977-04-08
FR2323769B1 true FR2323769B1 (ja) 1982-05-28

Family

ID=24450436

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7625724A Granted FR2323769A1 (fr) 1975-09-09 1976-08-25 Procede pour abaisser le degre de contamination de l'aluminium produit par des procedes carbothermiques

Country Status (6)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH638565A5 (de) * 1978-11-21 1983-09-30 Alusuisse Verfahren zur reinigung von aluminiumschmelzen.
US4216010A (en) * 1979-01-31 1980-08-05 Reynolds Metals Company Aluminum purification system
JPS609836A (ja) * 1983-06-27 1985-01-18 Nippon Light Metal Co Ltd アルミニウム溶湯処理方法
JPH0712228B2 (ja) * 1985-11-25 1995-02-08 ソニー株式会社 バ−スト信号の位相エラ−の検出回路
JPS62152288A (ja) * 1985-12-25 1987-07-07 Mitsubishi Electric Corp バ−ストゲ−トパルス発生装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144014B (de) * 1958-03-14 1963-02-21 Pechiney Prod Chimiques Sa Verfahren zur Reduktion von Aluminiumoxyd mit Kohlenstoff im Lichtbogenofen
US3149960A (en) * 1960-11-02 1964-09-22 Reynolds Metals Co Aluminum degassing system

Also Published As

Publication number Publication date
GB1549794A (en) 1979-08-08
JPS5232811A (en) 1977-03-12
JPS6124457B2 (ja) 1986-06-11
AU1690076A (en) 1978-02-23
DE2637282A1 (de) 1977-03-17
CA1078626A (en) 1980-06-03
AU503487B2 (en) 1979-09-06
FR2323769A1 (fr) 1977-04-08

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Legal Events

Date Code Title Description
ST Notification of lapse