CH206765A - Verfahren zur Aufarbeitung der gebrauchten Kohlefutter von Aluminium-Elektrolyse-Schmelzöfen. - Google Patents

Verfahren zur Aufarbeitung der gebrauchten Kohlefutter von Aluminium-Elektrolyse-Schmelzöfen.

Info

Publication number
CH206765A
CH206765A CH206765DA CH206765A CH 206765 A CH206765 A CH 206765A CH 206765D A CH206765D A CH 206765DA CH 206765 A CH206765 A CH 206765A
Authority
CH
Switzerland
Prior art keywords
processing
melting furnaces
aluminum electrolysis
coal feed
used coal
Prior art date
Application number
Other languages
English (en)
Inventor
Ruetgerswerke-Aktiengesellscha
Original Assignee
Ruetgerswerke Ag
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 Ruetgerswerke Ag filed Critical Ruetgerswerke Ag
Publication of CH206765A publication Critical patent/CH206765A/de

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
    • 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
    • C01F7/54—Double compounds containing both aluminium and alkali metals or alkaline-earth metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Electrolytic Production Of Metals (AREA)
CH206765D 1936-11-17 1937-11-08 Verfahren zur Aufarbeitung der gebrauchten Kohlefutter von Aluminium-Elektrolyse-Schmelzöfen. CH206765A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE206765X 1936-11-17

Publications (1)

Publication Number Publication Date
CH206765A true CH206765A (de) 1939-08-31

Family

ID=5793328

Family Applications (1)

Application Number Title Priority Date Filing Date
CH206765D CH206765A (de) 1936-11-17 1937-11-08 Verfahren zur Aufarbeitung der gebrauchten Kohlefutter von Aluminium-Elektrolyse-Schmelzöfen.

Country Status (4)

Country Link
US (1) US2186433A (de)
CH (1) CH206765A (de)
FR (1) FR828223A (de)
GB (1) GB487021A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996011756A1 (en) * 1994-10-13 1996-04-25 The University Of Melbourne Process for treating a material containing inorganic matter

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2567544A (en) * 1945-01-26 1951-09-11 Alcan Aluminium Ltd Process for the manufacture of sodium aluminum fluoride
CH319303A (de) * 1952-11-26 1957-02-15 Vaw Ver Aluminium Werke Ag Verfahren zur Rückgewinnung von Kryolith aus dem Kohleboden von Elektrolyseöfen
CH372846A (de) * 1957-04-01 1963-10-31 Alusuisse Verfahren zur Gewinnung von Natrium-Aluminium-Doppelfluoriden aus den bei der elektrolytischen Herstellung von Aluminium entweichenden HF-haltigen Ofenabgasen
US2991159A (en) * 1958-03-10 1961-07-04 Vaw Ver Aluminium Werke Ag Method for the production and recovery of sodium aluminum fluorides
GB904333A (en) * 1959-01-08 1962-08-29 I C P M S P A Ind Chimiche Por Process for the preparation of artificial cryolite and apparatus for performing saidprocess
US3175882A (en) * 1961-12-19 1965-03-30 Ralph B Derr Production of aluminum fluoride
DE1250131B (de) * 1962-01-30 1967-09-14
US3485579A (en) * 1966-11-22 1969-12-23 Reynolds Metals Co Beneficiation of cryolite material
US3493330A (en) * 1966-11-22 1970-02-03 Reynolds Metals Co Beneficiation of cryolite material
US3486845A (en) * 1966-11-22 1969-12-30 Reynolds Metals Co Beneficiation of cryolite material
US4508689A (en) * 1983-07-21 1985-04-02 Aluminum Company Of America Aluminum-fluorine compound manufacture
US5352419A (en) * 1991-01-11 1994-10-04 Comalco Aluminium Limited Recovery of aluminium and fluoride values from spent pot lining
US5558847A (en) * 1991-02-05 1996-09-24 Kaaber; Henning Process for recovering aluminium and fluorine from fluorine containing waste materials
JP3665067B2 (ja) * 1993-07-02 2005-06-29 ザ・ブロークン・ヒル・プロプライアタリー・カンパニー・リミテッド 鉱物または鉱物種からフッ素を抽出する方法
CN101531386B (zh) * 2009-03-03 2011-02-02 多氟多化工股份有限公司 利用含氟盐酸从电解铝废渣中回收冰晶石的方法
CN102219249A (zh) * 2011-05-14 2011-10-19 多氟多化工股份有限公司 一种冰晶石的生产方法
CN109437149A (zh) * 2018-11-30 2019-03-08 东北大学 一种铝电解槽废阴极炭块的提纯方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996011756A1 (en) * 1994-10-13 1996-04-25 The University Of Melbourne Process for treating a material containing inorganic matter
US5939035A (en) * 1994-10-13 1999-08-17 The University Of Melbourne Process for treating spent potlining containing inorganic matter

Also Published As

Publication number Publication date
GB487021A (en) 1938-06-14
FR828223A (fr) 1938-05-12
US2186433A (en) 1940-01-09

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