CA2505285C - Cellules d'extraction electrolytique de l'aluminium a anodes a base de metal - Google Patents

Cellules d'extraction electrolytique de l'aluminium a anodes a base de metal Download PDF

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Publication number
CA2505285C
CA2505285C CA2505285A CA2505285A CA2505285C CA 2505285 C CA2505285 C CA 2505285C CA 2505285 A CA2505285 A CA 2505285A CA 2505285 A CA2505285 A CA 2505285A CA 2505285 C CA2505285 C CA 2505285C
Authority
CA
Canada
Prior art keywords
weight
cell
aluminium
anode
fluoride
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
CA2505285A
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English (en)
Other versions
CA2505285A1 (fr
Inventor
Vittorio De Nora
Thinh T. Nguyen
Jean-Jacques Duruz
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
Rio Tinto Alcan International 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 Rio Tinto Alcan International Ltd filed Critical Rio Tinto Alcan International Ltd
Publication of CA2505285A1 publication Critical patent/CA2505285A1/fr
Application granted granted Critical
Publication of CA2505285C publication Critical patent/CA2505285C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • C25C3/18—Electrolytes
    • 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
    • C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
    • C25C3/12—Anodes
CA2505285A 2003-02-20 2004-02-18 Cellules d'extraction electrolytique de l'aluminium a anodes a base de metal Expired - Fee Related CA2505285C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IB0300662 2003-02-20
IBPCT/IB03/00662 2003-02-20
PCT/IB2004/000431 WO2004074549A2 (fr) 2003-02-20 2004-02-18 Cellules d'extraction electrolytique de l'aluminium a anodes a base de metal

Publications (2)

Publication Number Publication Date
CA2505285A1 CA2505285A1 (fr) 2004-09-02
CA2505285C true CA2505285C (fr) 2012-07-17

Family

ID=32894011

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2505285A Expired - Fee Related CA2505285C (fr) 2003-02-20 2004-02-18 Cellules d'extraction electrolytique de l'aluminium a anodes a base de metal

Country Status (5)

Country Link
EP (1) EP1608798A2 (fr)
CA (1) CA2505285C (fr)
NO (1) NO20054308L (fr)
NZ (1) NZ540408A (fr)
WO (1) WO2004074549A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ570739A (en) * 2006-03-10 2010-10-29 Moltech Invent Sa Aluminium electrowinning cell with enhanced crust
MY153924A (en) 2008-09-08 2015-04-15 Rio Tinto Alcan Int Ltd Metallic oxygen evolving anode operating at high current density for aluminium reduction cells.
CA2917342C (fr) * 2013-07-09 2018-05-29 Obshchestvo S Ogranichennoy Otvetstvennost'yu "Obedinennaya Kompaniya Rusal Inzhenerno-Tekhnologicheskiy Tsentr" Electrolyte permettant d'obtenir des substances fondues au moyen d'un electrolyseur d'aluminium
CN104451779B (zh) * 2014-12-17 2017-01-18 湖南创元铝业有限公司 铝电解槽氟化铝控制方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5006209A (en) * 1990-02-13 1991-04-09 Electrochemical Technology Corp. Electrolytic reduction of alumina
US5725744A (en) * 1992-03-24 1998-03-10 Moltech Invent S.A. Cell for the electrolysis of alumina at low temperatures
US6258247B1 (en) * 1998-02-11 2001-07-10 Northwest Aluminum Technology Bath for electrolytic reduction of alumina and method therefor
ES2381927T3 (es) * 2002-10-18 2012-06-01 Rio Tinto Alcan International Limited Celdas electrolíticas de reducción de aluminio con ánodos a base de metal.

Also Published As

Publication number Publication date
NO20054308L (no) 2005-09-19
WO2004074549A3 (fr) 2005-05-12
WO2004074549A2 (fr) 2004-09-02
CA2505285A1 (fr) 2004-09-02
EP1608798A2 (fr) 2005-12-28
AU2004213650A1 (en) 2004-09-02
NZ540408A (en) 2007-04-27

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20170220