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WO2004018734A3 - Anode en ceramique coulee destinee a la reduction electrolytique d'oxydes metalliques - Google Patents

Anode en ceramique coulee destinee a la reduction electrolytique d'oxydes metalliques Download PDF

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Publication number
WO2004018734A3
WO2004018734A3 PCT/US2003/025607 US0325607W WO2004018734A3 WO 2004018734 A3 WO2004018734 A3 WO 2004018734A3 US 0325607 W US0325607 W US 0325607W WO 2004018734 A3 WO2004018734 A3 WO 2004018734A3
Authority
WO
WIPO (PCT)
Prior art keywords
metal oxide
electrolytic reduction
oxide electrolytic
cast ceramic
ceramic anode
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
PCT/US2003/025607
Other languages
English (en)
Other versions
WO2004018734A2 (fr
Inventor
David C Meissner
Ashvin Srivastava
Jeffrey B Musat
Jeffrey K Cheetham
Abid Bengali
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.)
PEL TECHNOLOGIES LLC
Original Assignee
PEL TECHNOLOGIES LLC
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 PEL TECHNOLOGIES LLC filed Critical PEL TECHNOLOGIES LLC
Priority to AU2003262712A priority Critical patent/AU2003262712A1/en
Publication of WO2004018734A2 publication Critical patent/WO2004018734A2/fr
Publication of WO2004018734A3 publication Critical patent/WO2004018734A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/04—Making non-ferrous alloys by powder metallurgy
    • C22C1/05—Mixtures of metal powder with non-metallic powder
    • C22C1/051—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor
    • C22C1/053—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds
    • C22C1/056—Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor with in situ formation of hard compounds using gas
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D1/00—Treatment of fused masses in the ladle or the supply runners before casting
    • B22D1/002—Treatment with gases
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • C22C29/12—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides based on oxides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Magnetic Ceramics (AREA)

Abstract

L'invention concerne un procédé de production d'une anode en céramique coulée destinée à la réduction électrolytique d'oxydes métalliques. Ledit procédé consiste : à fournir à un réacteur d'oxydation du fer métallique et du nickel métallique sous forme solide ; à fondre et à oxyder le fer et le nickel, et à former de la ferrite de nickel en fusion ; à mélanger la ferrite de nickel en fusion avec un dopant dans un récipient tel qu'une poche ou un panier de coulée, afin d'augmenter la conductivité électrique du mélange ; et à couler le mélange dans un moule, de façon à former une anode de grande précision dimensionnelle. L'invention a également trait à un appareil permettant de mettre en oeuvre ledit procédé, ainsi qu'au produit obtenu.
PCT/US2003/025607 2002-08-21 2003-08-15 Anode en ceramique coulee destinee a la reduction electrolytique d'oxydes metalliques Ceased WO2004018734A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003262712A AU2003262712A1 (en) 2002-08-21 2003-08-15 Cast ceramic anode for metal oxide electrolytic reduction

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40502102P 2002-08-21 2002-08-21
US60/405,021 2002-08-21

Publications (2)

Publication Number Publication Date
WO2004018734A2 WO2004018734A2 (fr) 2004-03-04
WO2004018734A3 true WO2004018734A3 (fr) 2004-09-30

Family

ID=31946802

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2003/025607 Ceased WO2004018734A2 (fr) 2002-08-21 2003-08-15 Anode en ceramique coulee destinee a la reduction electrolytique d'oxydes metalliques
PCT/US2003/025597 Ceased WO2004018082A1 (fr) 2002-08-21 2003-08-15 Anode en cermet moule pour reduction electrolytique d'un oxyde metallique

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/US2003/025597 Ceased WO2004018082A1 (fr) 2002-08-21 2003-08-15 Anode en cermet moule pour reduction electrolytique d'un oxyde metallique

Country Status (3)

Country Link
US (2) US20040038805A1 (fr)
AU (2) AU2003262712A1 (fr)
WO (2) WO2004018734A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6915838B2 (en) * 2002-08-21 2005-07-12 Pel Technologies Llc Cast ceramic anode for metal oxide electrolytic reduction
ES2383145T3 (es) 2008-09-08 2012-06-18 Rio Tinto Alcan International Limited Ánodo metálico que desprende oxígeno que opera a alta densidad de corriente para células de reducción de aluminio
CN107646057A (zh) * 2015-05-26 2018-01-30 Tdk株式会社 组装体和电解用电极
CN109811368B (zh) * 2019-03-20 2021-03-16 武汉大学 用于熔盐电解体系的锂离子强化型惰性阳极及其制备方法
CN110265170B (zh) * 2019-06-25 2022-12-09 华东理工大学 电化学合成铁氧体资源化处理钢铁酸洗废液的方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4173518A (en) * 1974-10-23 1979-11-06 Sumitomo Aluminum Smelting Company, Limited Electrodes for aluminum reduction cells
US4650552A (en) * 1981-07-01 1987-03-17 Eltech Systems Corporation Electrolytic production of aluminum
US4999097A (en) * 1987-01-06 1991-03-12 Massachusetts Institute Of Technology Apparatus and method for the electrolytic production of metals

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4443314A (en) * 1983-03-16 1984-04-17 Great Lakes Carbon Corporation Anode assembly for molten salt electrolysis
US4495049A (en) * 1983-05-03 1985-01-22 Great Lakes Carbon Corporation Anode for molten salt electrolysis
US4541912A (en) * 1983-12-12 1985-09-17 Great Lakes Carbon Corporation Cermet electrode assembly
US5284562A (en) * 1992-04-17 1994-02-08 Electrochemical Technology Corp. Non-consumable anode and lining for aluminum electrolytic reduction cell
US6423204B1 (en) * 1997-06-26 2002-07-23 Alcoa Inc. For cermet inert anode containing oxide and metal phases useful for the electrolytic production of metals
US5865980A (en) * 1997-06-26 1999-02-02 Aluminum Company Of America Electrolysis with a inert electrode containing a ferrite, copper and silver
US6372119B1 (en) * 1997-06-26 2002-04-16 Alcoa Inc. Inert anode containing oxides of nickel iron and cobalt useful for the electrolytic production of metals
US6416649B1 (en) * 1997-06-26 2002-07-09 Alcoa Inc. Electrolytic production of high purity aluminum using ceramic inert anodes
US6217739B1 (en) * 1997-06-26 2001-04-17 Alcoa Inc. Electrolytic production of high purity aluminum using inert anodes
US6083362A (en) * 1998-08-06 2000-07-04 University Of Chicago Dimensionally stable anode for electrolysis, method for maintaining dimensions of anode during electrolysis
US6146513A (en) * 1998-12-31 2000-11-14 The Ohio State University Electrodes, electrolysis apparatus and methods using uranium-bearing ceramic electrodes, and methods of producing a metal from a metal compound dissolved in a molten salt, including the electrowinning of aluminum
US6440279B1 (en) * 2000-12-28 2002-08-27 Alcoa Inc. Chemical milling process for inert anodes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4173518A (en) * 1974-10-23 1979-11-06 Sumitomo Aluminum Smelting Company, Limited Electrodes for aluminum reduction cells
US4650552A (en) * 1981-07-01 1987-03-17 Eltech Systems Corporation Electrolytic production of aluminum
US4999097A (en) * 1987-01-06 1991-03-12 Massachusetts Institute Of Technology Apparatus and method for the electrolytic production of metals

Also Published As

Publication number Publication date
WO2004018734A2 (fr) 2004-03-04
AU2003262712A1 (en) 2004-03-11
AU2003262706A1 (en) 2004-03-11
US20040038805A1 (en) 2004-02-26
AU2003262712A8 (en) 2004-03-11
WO2004018082A1 (fr) 2004-03-04
US20050262964A1 (en) 2005-12-01

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