DE3868660D1 - Verfahren zur entfernung von alkali- und erdalkalimetallen aus aluminiumschmelzen. - Google Patents

Verfahren zur entfernung von alkali- und erdalkalimetallen aus aluminiumschmelzen.

Info

Publication number
DE3868660D1
DE3868660D1 DE8888810195T DE3868660T DE3868660D1 DE 3868660 D1 DE3868660 D1 DE 3868660D1 DE 8888810195 T DE8888810195 T DE 8888810195T DE 3868660 T DE3868660 T DE 3868660T DE 3868660 D1 DE3868660 D1 DE 3868660D1
Authority
DE
Germany
Prior art keywords
aluminum
alkali
melts
aluminum melts
melt
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 - Fee Related
Application number
DE8888810195T
Other languages
English (en)
Inventor
Ernst Meier
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.)
3A Composites International AG
Original Assignee
Alusuisse Lonza Services Ltd
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 Alusuisse Lonza Services Ltd filed Critical Alusuisse Lonza Services Ltd
Application granted granted Critical
Publication of DE3868660D1 publication Critical patent/DE3868660D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C22B21/06—Obtaining aluminium refining
    • C22B21/062—Obtaining aluminium refining using salt or fluxing agents
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • ing And Chemical Polishing (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Crucibles And Fluidized-Bed Furnaces (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treating Waste Gases (AREA)
DE8888810195T 1987-03-30 1988-03-24 Verfahren zur entfernung von alkali- und erdalkalimetallen aus aluminiumschmelzen. Expired - Fee Related DE3868660D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH120987 1987-03-30

Publications (1)

Publication Number Publication Date
DE3868660D1 true DE3868660D1 (de) 1992-04-09

Family

ID=4205058

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888810195T Expired - Fee Related DE3868660D1 (de) 1987-03-30 1988-03-24 Verfahren zur entfernung von alkali- und erdalkalimetallen aus aluminiumschmelzen.

Country Status (6)

Country Link
US (1) US4832740A (de)
EP (1) EP0285566B1 (de)
AT (1) ATE73171T1 (de)
DE (1) DE3868660D1 (de)
IS (1) IS3325A7 (de)
NO (1) NO171799C (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5085830A (en) * 1989-03-24 1992-02-04 Comalco Aluminum Limited Process for making aluminum-lithium alloys of high toughness
US4992241A (en) * 1990-03-15 1991-02-12 Alcan International Limited Recycling of metal matrix composites
NO176553C (no) * 1993-04-14 1995-04-26 Norsk Hydro As Injeksjonsutstyr
US6375712B1 (en) * 1998-05-27 2002-04-23 Helge O. Forberg Method of removal of light metals from aluminum
US6602318B2 (en) 2001-01-22 2003-08-05 Alcan International Limited Process and apparatus for cleaning and purifying molten aluminum
ES2215478B1 (es) * 2003-02-13 2005-10-01 Refineria Diaz, S.A. Fundente para el tratamiento de eliminacion de magnesio en aleaciones de aluminio.
JP4403713B2 (ja) * 2003-04-10 2010-01-27 株式会社豊田中央研究所 低Ｃａ含有Ａｌ合金の製造方法及び低Ｃａ含有Ａｌ合金製造用地金
US7785394B2 (en) * 2007-02-23 2010-08-31 Alcoa Inc. System and method for in-line molten metal processing using salt reactant in a deep box degasser
CN109692714A (zh) * 2017-10-20 2019-04-30 河南省格林沃特环保科技有限公司 一种废催化剂表面碱金属除去工艺

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR704792A (fr) * 1930-08-23 1931-05-26 Alais & Froges & Camarque Cie Procédé de fabrication d'aluminium et d'alliages contenant de l'aluminium, mais ne contenant pas de silicium, avec une dispersion très complète des constituants
FR724553A (fr) * 1930-12-24 1932-04-29 Alais & Froges & Camarque Cie Procédé de purification des metaux
DE900391C (de) * 1951-01-25 1953-12-28 Friedrich Winterhager Dipl Ing Verfahren und Vorrichtung zum Raffinieren schmelzfluessiger Metalle, insbesondere Leichtmetalle
US3305351A (en) * 1964-02-24 1967-02-21 Reynolds Metals Co Treatment of aluminum with aluminum fluoride particles
DE2206722A1 (de) * 1972-02-12 1973-08-16 Vaw Ver Aluminium Werke Ag Verfahren und vorrichtung zum reinigen, insbesondere zum entgasen, von schmelzfluessigem aluminium oder seinen legierungen
US3972709A (en) * 1973-06-04 1976-08-03 Southwire Company Method for dispersing gas into a molten metal
CS216519B2 (en) * 1979-02-08 1982-11-26 Magyar Aluminium Method of reducing the contents of impurities in the aluminium melt or aluminium alloys
CH641839A5 (de) * 1979-07-10 1984-03-15 Alusuisse Vorrichtung zur einleitung von gasen in metallschmelzen.
AT367458B (de) * 1980-05-27 1982-07-12 Ver Giessereiforschung Verfahren zur entfernung kleiner mengen von alkali- oder erdalkalimetallen aus aluminiumoderaluminiumlegierungsschmelzen
US4470846A (en) * 1981-05-19 1984-09-11 Alcan International Limited Removal of alkali metals and alkaline earth metals from molten aluminum
CA1188107A (en) * 1981-05-19 1985-06-04 Ghyslain Dube Removal of alkali metals and alkaline earth metals from molten aluminium
DE3367112D1 (en) * 1982-11-16 1986-11-27 Alcan Int Ltd Removal of impurities from molten aluminium
GB8417851D0 (en) * 1984-07-13 1984-08-15 Alcan Int Ltd Producing aluminium

Also Published As

Publication number Publication date
ATE73171T1 (de) 1992-03-15
NO171799C (no) 1993-05-05
NO881370D0 (no) 1988-03-28
IS3325A7 (is) 1988-07-08
US4832740A (en) 1989-05-23
EP0285566B1 (de) 1992-03-04
NO881370L (no) 1988-10-03
EP0285566A1 (de) 1988-10-05
NO171799B (no) 1993-01-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee