EP0065854A3 - Removal of alkali metals and alkaline earth metals from molten aluminium - Google Patents

Removal of alkali metals and alkaline earth metals from molten aluminium Download PDF

Info

Publication number
EP0065854A3
EP0065854A3 EP82302448A EP82302448A EP0065854A3 EP 0065854 A3 EP0065854 A3 EP 0065854A3 EP 82302448 A EP82302448 A EP 82302448A EP 82302448 A EP82302448 A EP 82302448A EP 0065854 A3 EP0065854 A3 EP 0065854A3
Authority
EP
European Patent Office
Prior art keywords
removal
metals
alkaline earth
molten aluminium
earth metals
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
EP82302448A
Other versions
EP0065854A2 (en
EP0065854B1 (en
Inventor
Ghyslain Dube
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.)
Rio Tinto Alcan International Ltd
Original Assignee
Alcan International Ltd Canada
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 Alcan International Ltd Canada filed Critical Alcan International Ltd Canada
Publication of EP0065854A2 publication Critical patent/EP0065854A2/en
Publication of EP0065854A3 publication Critical patent/EP0065854A3/en
Application granted granted Critical
Publication of EP0065854B1 publication Critical patent/EP0065854B1/en
Expired 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
EP82302448A 1981-05-19 1982-05-13 Removal of alkali metals and alkaline earth metals from molten aluminium Expired EP0065854B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26525481A 1981-05-19 1981-05-19
US265254 1981-05-19

Publications (3)

Publication Number Publication Date
EP0065854A2 EP0065854A2 (en) 1982-12-01
EP0065854A3 true EP0065854A3 (en) 1983-01-26
EP0065854B1 EP0065854B1 (en) 1985-08-28

Family

ID=23009685

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82302448A Expired EP0065854B1 (en) 1981-05-19 1982-05-13 Removal of alkali metals and alkaline earth metals from molten aluminium

Country Status (9)

Country Link
EP (1) EP0065854B1 (en)
JP (1) JPS6017009B2 (en)
AU (1) AU553304B2 (en)
CA (1) CA1188107A (en)
CH (1) CH651320A5 (en)
DE (1) DE3265793D1 (en)
ES (2) ES8400501A1 (en)
FR (1) FR2506333B1 (en)
NO (1) NO160663C (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1188107A (en) * 1981-05-19 1985-06-04 Ghyslain Dube Removal of alkali metals and alkaline earth metals from molten aluminium
DE3276823D1 (en) * 1982-11-09 1987-08-27 Alcan Int Ltd Removal of alkali metals and alkaline earth metals from molten aluminium
EP0112024B1 (en) * 1982-11-16 1986-10-22 Alcan International Limited Removal of impurities from molten aluminium
GB8622458D0 (en) * 1986-09-18 1986-10-22 Alcan Int Ltd Alloying aluminium
US4822412A (en) * 1986-11-17 1989-04-18 The Boeing Company Method of removing lithium from aluminum-lithium alloys
US4832740A (en) * 1987-03-30 1989-05-23 Swiss Aluminium Ltd. Process for removing alkali and alkaline earth elements from aluminum melts
DE4029396A1 (en) * 1990-09-17 1992-03-19 Vaw Ver Aluminium Werke Ag DEVICE FOR CLEANING NE-METAL MELTS, ESPECIALLY ALUMINUM MELTS
US5080715A (en) * 1990-11-05 1992-01-14 Alcan International Limited Recovering clean metal and particulates from metal matrix composites
JPH059007U (en) * 1991-07-08 1993-02-05 株式会社村田製作所 Coupled line element
NO176553C (en) * 1993-04-14 1995-04-26 Norsk Hydro As injection equipment
US6602318B2 (en) 2001-01-22 2003-08-05 Alcan International Limited Process and apparatus for cleaning and purifying molten aluminum
NO20210630A1 (en) * 2021-05-21 2022-11-22 Norsk Hydro As Na removal from pot-room Al metal with under-pressure and forced convection

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305351A (en) * 1964-02-24 1967-02-21 Reynolds Metals Co Treatment of aluminum with aluminum fluoride particles
US3436212A (en) * 1966-11-22 1969-04-01 Aluminum Co Of America Flux for treating aluminum
US3459536A (en) * 1964-11-06 1969-08-05 Interlake Steel Corp Method for mixing molten metal
US3528801A (en) * 1966-08-24 1970-09-15 Reynolds Metals Co Method of treating aluminous metal with carbon and aluminum fluoride
US3620716A (en) * 1969-05-27 1971-11-16 Aluminum Co Of America Magnesium removal from aluminum alloy scrap
US3767382A (en) * 1971-11-04 1973-10-23 Aluminum Co Of America Treatment of molten aluminum with an impeller
GB1367069A (en) * 1970-10-22 1974-09-18 British Aluminium Co Ltd Removal of non-metallic constituents from liquid metal
US3849119A (en) * 1971-11-04 1974-11-19 Aluminum Co Of America Treatment of molten aluminum with an impeller
US3871872A (en) * 1973-05-30 1975-03-18 Union Carbide Corp Method for promoting metallurgical reactions in molten metal
US3902893A (en) * 1973-01-04 1975-09-02 Ostberg Jan Erik Method for moving and stirring of heavy metallurgical melts
US4058394A (en) * 1976-02-23 1977-11-15 Kennecott Copper Corporation Pyrometallurgical system for solid-liquid contacting
US4138246A (en) * 1976-03-26 1979-02-06 Swiss Aluminium Ltd. Process for lowering the concentration of sodium in aluminum melts
GB2030597A (en) * 1978-08-23 1980-04-10 Alcan Res & Dev Filtering Aluminium

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1188107A (en) * 1981-05-19 1985-06-04 Ghyslain Dube Removal of alkali metals and alkaline earth metals from molten aluminium

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305351A (en) * 1964-02-24 1967-02-21 Reynolds Metals Co Treatment of aluminum with aluminum fluoride particles
US3459536A (en) * 1964-11-06 1969-08-05 Interlake Steel Corp Method for mixing molten metal
US3528801A (en) * 1966-08-24 1970-09-15 Reynolds Metals Co Method of treating aluminous metal with carbon and aluminum fluoride
US3436212A (en) * 1966-11-22 1969-04-01 Aluminum Co Of America Flux for treating aluminum
US3620716A (en) * 1969-05-27 1971-11-16 Aluminum Co Of America Magnesium removal from aluminum alloy scrap
GB1367069A (en) * 1970-10-22 1974-09-18 British Aluminium Co Ltd Removal of non-metallic constituents from liquid metal
US3767382A (en) * 1971-11-04 1973-10-23 Aluminum Co Of America Treatment of molten aluminum with an impeller
US3849119A (en) * 1971-11-04 1974-11-19 Aluminum Co Of America Treatment of molten aluminum with an impeller
US3902893A (en) * 1973-01-04 1975-09-02 Ostberg Jan Erik Method for moving and stirring of heavy metallurgical melts
US3871872A (en) * 1973-05-30 1975-03-18 Union Carbide Corp Method for promoting metallurgical reactions in molten metal
US4058394A (en) * 1976-02-23 1977-11-15 Kennecott Copper Corporation Pyrometallurgical system for solid-liquid contacting
US4138246A (en) * 1976-03-26 1979-02-06 Swiss Aluminium Ltd. Process for lowering the concentration of sodium in aluminum melts
GB2030597A (en) * 1978-08-23 1980-04-10 Alcan Res & Dev Filtering Aluminium

Also Published As

Publication number Publication date
CA1188107A (en) 1985-06-04
ES8403169A1 (en) 1984-03-01
DE3265793D1 (en) 1985-10-03
JPS6017009B2 (en) 1985-04-30
NO160663B (en) 1989-02-06
JPS57198226A (en) 1982-12-04
AU553304B2 (en) 1986-07-10
NO160663C (en) 1989-05-16
EP0065854A2 (en) 1982-12-01
FR2506333A1 (en) 1982-11-26
NO821659L (en) 1982-11-22
AU8378082A (en) 1982-11-25
ES512288A0 (en) 1983-10-16
ES8400501A1 (en) 1983-10-16
FR2506333B1 (en) 1990-12-07
CH651320A5 (en) 1985-09-13
EP0065854B1 (en) 1985-08-28
ES519264A0 (en) 1984-03-01

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