AU2002332463B2 - Methods and apparatus for reducing sulfur impurities and improving current efficiencies of inert anode aluminum production cells - Google Patents

Methods and apparatus for reducing sulfur impurities and improving current efficiencies of inert anode aluminum production cells Download PDF

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Publication number
AU2002332463B2
AU2002332463B2 AU2002332463A AU2002332463A AU2002332463B2 AU 2002332463 B2 AU2002332463 B2 AU 2002332463B2 AU 2002332463 A AU2002332463 A AU 2002332463A AU 2002332463 A AU2002332463 A AU 2002332463A AU 2002332463 B2 AU2002332463 B2 AU 2002332463B2
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AU
Australia
Prior art keywords
sulfur
cell
cancelled
impurity
electrolytic bath
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.)
Ceased
Application number
AU2002332463A
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English (en)
Other versions
AU2002332463A1 (en
Inventor
Robert L. Kozarek
Alfred F. Lacamera
Xinghua Liu
Siba P. Ray
Jerry L. Roddy
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.)
Alcoa USA Corp
Original Assignee
Alcoa Inc
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Publication date
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Publication of AU2002332463A1 publication Critical patent/AU2002332463A1/en
Application granted granted Critical
Publication of AU2002332463B2 publication Critical patent/AU2002332463B2/en
Assigned to ALCOA USA CORP. reassignment ALCOA USA CORP. Request for Assignment Assignors: ALCOA INC.
Anticipated expiration legal-status Critical
Ceased 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Metals (AREA)
AU2002332463A 2002-08-05 2002-08-05 Methods and apparatus for reducing sulfur impurities and improving current efficiencies of inert anode aluminum production cells Ceased AU2002332463B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2002/024780 WO2004013380A1 (en) 2002-08-05 2002-08-05 Methods and apparatus for reducing sulfur impurities and improving current efficiencies of inert anode aluminum production cells

Publications (2)

Publication Number Publication Date
AU2002332463A1 AU2002332463A1 (en) 2004-02-23
AU2002332463B2 true AU2002332463B2 (en) 2008-06-26

Family

ID=31493901

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002332463A Ceased AU2002332463B2 (en) 2002-08-05 2002-08-05 Methods and apparatus for reducing sulfur impurities and improving current efficiencies of inert anode aluminum production cells

Country Status (7)

Country Link
EP (1) EP1534879B1 (no)
CN (1) CN100430523C (no)
AU (1) AU2002332463B2 (no)
BR (1) BR0215834B1 (no)
CA (1) CA2495162C (no)
NO (1) NO344248B1 (no)
WO (1) WO2004013380A1 (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102121121A (zh) * 2010-01-07 2011-07-13 贵阳铝镁设计研究院 一种铝用阳极生产过程中对铁含量的工艺控制方法
TWI465577B (zh) * 2012-06-25 2014-12-21 Silicor Materials Inc 純化鋁之方法及使用純化之鋁純化矽之方法
CN104583124A (zh) 2012-06-25 2015-04-29 希利柯尔材料股份有限公司 用于纯化硅的方法
TWI615363B (zh) * 2016-04-08 2018-02-21 科閎電子股份有限公司 降低電解液中至少一污染性陽離子濃度的方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999041431A1 (en) * 1998-02-11 1999-08-19 Northwest Aluminum Technology Catalytic dissolution of aluminum oxide during electrolytic reduction of alumina

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ506372A (en) * 1998-12-17 2002-06-28 Nippon Light Metal Co Method for producing aluminium using deashed coke and/or pitch as carbon material for anode
NO20010927D0 (no) * 2001-02-23 2001-02-23 Norsk Hydro As FremgangsmÕte og apparatur for fremstilling av metall

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999041431A1 (en) * 1998-02-11 1999-08-19 Northwest Aluminum Technology Catalytic dissolution of aluminum oxide during electrolytic reduction of alumina

Also Published As

Publication number Publication date
NO344248B1 (no) 2019-10-21
NO20051171L (no) 2005-05-03
CA2495162C (en) 2010-07-27
CN1659313A (zh) 2005-08-24
WO2004013380A1 (en) 2004-02-12
BR0215834A (pt) 2005-06-07
EP1534879A1 (en) 2005-06-01
BR0215834B1 (pt) 2013-02-19
CA2495162A1 (en) 2004-02-12
CN100430523C (zh) 2008-11-05
EP1534879B1 (en) 2016-09-28
AU2002332463A1 (en) 2004-02-23

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PC Assignment registered

Owner name: ALCOA USA CORP.

Free format text: FORMER OWNER(S): ALCOA INC.

MK14 Patent ceased section 143(a) (annual fees not paid) or expired