NO20003984L - Katalytisk opplösning av aluminiumoksid under elektrolytisk reduksjon av alumina - Google Patents

Katalytisk opplösning av aluminiumoksid under elektrolytisk reduksjon av alumina

Info

Publication number
NO20003984L
NO20003984L NO20003984A NO20003984A NO20003984L NO 20003984 L NO20003984 L NO 20003984L NO 20003984 A NO20003984 A NO 20003984A NO 20003984 A NO20003984 A NO 20003984A NO 20003984 L NO20003984 L NO 20003984L
Authority
NO
Norway
Prior art keywords
alumina
electrolytic reduction
catalytic solution
during electrolytic
catalytic
Prior art date
Application number
NO20003984A
Other languages
English (en)
Other versions
NO20003984D0 (no
Inventor
Craig W Brown
Richard J Brooks
Patrick B Frizzle
Drago D Juric
Original Assignee
Northwest Aluminium Technology
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 Northwest Aluminium Technology filed Critical Northwest Aluminium Technology
Publication of NO20003984L publication Critical patent/NO20003984L/no
Publication of NO20003984D0 publication Critical patent/NO20003984D0/no

Links

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

Landscapes

  • 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)
  • Secondary Cells (AREA)
NO20003984A 1998-02-11 2000-08-07 Katalytisk oppløsning av aluminiumoksid under elektrolytisk reduksjon av alumina NO20003984D0 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7437398P 1998-02-11 1998-02-11
PCT/US1999/002919 WO1999041431A1 (en) 1998-02-11 1999-02-10 Catalytic dissolution of aluminum oxide during electrolytic reduction of alumina

Publications (2)

Publication Number Publication Date
NO20003984L true NO20003984L (no) 2000-08-07
NO20003984D0 NO20003984D0 (no) 2000-08-07

Family

ID=22119206

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20003984A NO20003984D0 (no) 1998-02-11 2000-08-07 Katalytisk oppløsning av aluminiumoksid under elektrolytisk reduksjon av alumina

Country Status (6)

Country Link
US (3) US6258247B1 (no)
AU (1) AU751783B2 (no)
BR (1) BR9907791A (no)
CA (1) CA2318769A1 (no)
NO (1) NO20003984D0 (no)
WO (1) WO1999041431A1 (no)

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US6497807B1 (en) * 1998-02-11 2002-12-24 Northwest Aluminum Technologies Electrolyte treatment for aluminum reduction
US6436272B1 (en) 1999-02-09 2002-08-20 Northwest Aluminum Technologies Low temperature aluminum reduction cell using hollow cathode
RU2184704C2 (ru) * 1999-12-06 2002-07-10 Закрытое акционерное общество "Экостар-Наутех" Способ получения литийсодержащих фтористых солей для электролитического производства алюминия
AU1404100A (en) * 1999-12-09 2001-06-18 Moltech Invent S.A. Aluminium electrowinning cells operating with metal-based anodes
GB2359564B (en) * 2000-02-22 2004-09-29 Secr Defence Improvements in the electrolytic reduction of metal oxides
WO2001062995A1 (en) 2000-02-22 2001-08-30 Qinetiq Limited Method for the manufacture of metal foams by electrolytic reduction of porous oxidic preforms
NZ529850A (en) * 2001-05-30 2005-11-25 Moltech Invent S Operation of aluminium electrowinning cells having metal-based anodes
US7077945B2 (en) * 2002-03-01 2006-07-18 Northwest Aluminum Technologies Cu—Ni—Fe anode for use in aluminum producing electrolytic cell
US6800191B2 (en) * 2002-03-15 2004-10-05 Northwest Aluminum Technologies Electrolytic cell for producing aluminum employing planar anodes
US6719889B2 (en) * 2002-04-22 2004-04-13 Northwest Aluminum Technologies Cathode for aluminum producing electrolytic cell
WO2004013380A1 (en) * 2002-08-05 2004-02-12 Alcoa Inc. Methods and apparatus for reducing sulfur impurities and improving current efficiencies of inert anode aluminum production cells
RU2299931C2 (ru) * 2002-08-05 2007-05-27 Алкоа Инк. Способ и устройство для снижения содержания сернистых примесей и улучшения кпд тока электролизера с инертным анодом для производства алюминия
US6866766B2 (en) * 2002-08-05 2005-03-15 Alcoa Inc. Methods and apparatus for reducing sulfur impurities and improving current efficiencies of inert anode aluminum production cells
ES2292328B2 (es) * 2002-08-05 2011-09-29 Alcoa Inc Metodos y aparatos para reducir las impurezas de azufre y mejorar laseficiencias en corriente de las celdas de produccion de aluminio con anodo inerte.
NZ538777A (en) * 2002-10-18 2007-02-23 Moltech Invent S Aluminium electrowinning cells with metal-based anodes having an oxide-based surface
WO2004074549A2 (en) * 2003-02-20 2004-09-02 Moltech Invent S.A. Aluminium electrowinning cells with metal-based anodes
CN1875132A (zh) * 2003-09-16 2006-12-06 全球伊奥克斯有限公司 从溶液中去除物质的电解池
US20050092619A1 (en) * 2003-11-05 2005-05-05 Hryn John N. Process for electrolytic production of aluminum
RU2274680C2 (ru) * 2004-06-22 2006-04-20 Общество с ограниченной ответственностью Научно-технологический центр "Легкие металлы" Способ получения металлов электролизом расплавленных солей
US20080050298A1 (en) * 2006-08-24 2008-02-28 Meyden Hendrik J Van Der Method For Improving the HF Capture Efficiency of Dry Scrubbers
US8419919B1 (en) * 2007-03-14 2013-04-16 Jwk International Corporation System and method for generating particles
RU2359071C2 (ru) * 2007-08-17 2009-06-20 Открытое акционерное общество "Сибирско-Уральская Алюминиевая компания (ОАО "СУАЛ") Способ эксплуатации электролизера для производства алюминия
US8142749B2 (en) 2008-11-17 2012-03-27 Kennametal Inc. Readily-densified titanium diboride and process for making same
US8795507B2 (en) 2011-08-05 2014-08-05 Alcoa Inc. Apparatus and method for improving magneto-hydrodynamics stability and reducing energy consumption for aluminum reduction cells
FR2986012B1 (fr) * 2012-01-20 2017-12-01 Saint Gobain Ct Recherches Cuve d'electrolyse.
GB2502392B (en) * 2012-05-23 2017-11-15 Shenzhen Sunxing Light Alloys Mat Co Ltd Method for preparing an electrolyte supplement system in aluminium electrolysis
EP2862962A4 (en) * 2012-06-11 2015-12-09 Inner Mongolia United Ind Co Ltd ELECTROLYTE FOR ELECTROLYSIS OF ALUMINUM AND ELECTROLYSIS METHODS WITH ELECTROLYTE
CN103484891B (zh) * 2012-06-11 2016-06-15 内蒙古联合工业有限公司 一种电解铝用电解槽及使用该电解槽的电解工艺
CN102732914A (zh) * 2012-07-25 2012-10-17 深圳市新星轻合金材料股份有限公司 铝电解过程中的电解质及其补充体系的制备方法
EP3075886B1 (de) * 2015-04-02 2019-02-27 Shenzhen Sunxing Light Alloys Materials Co., Ltd Verfahren zur herstellung von elektrolytischem aluminium unter verwendung von kaliumkryolith als zusatzsystem
JP6466509B2 (ja) 2016-05-17 2019-02-06 財團法人工業技術研究院Ｉｎｄｕｓｔｒｉａｌ Ｔｅｃｈｎｏｌｏｇｙ Ｒｅｓｅａｒｃｈ Ｉｎｓｔｉｔｕｔｅ 金属イオンバッテリー
RU2745830C1 (ru) * 2020-06-04 2021-04-01 Акционерное общество "СЕФКО" Способ получения алюминия электролизом суспензии глинозема в расплаве алюминия
WO2024177534A1 (ru) * 2023-02-20 2024-08-29 Общество с ограниченной ответственностью "Институт легких материалов и технологий" Cпособ и устройство электрохимического рафинирования алюминия в электролизерах (варианты)
WO2024181893A1 (ru) 2023-02-28 2024-09-06 Общество С Ограниченной Ответственностью "Объединенная Компания Русал Инженерно -Технологический Центр" Способ получения защитных покрытий для обожженных анодных блоков алюминиевых электролизеров

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US3951763A (en) * 1973-06-28 1976-04-20 Aluminum Company Of America Aluminum smelting temperature selection
US4053375A (en) * 1976-07-16 1977-10-11 Dorr-Oliver Incorporated Process for recovery of alumina-cryolite waste in aluminum production
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US4462889A (en) * 1983-10-11 1984-07-31 Great Lakes Carbon Corporation Non-consumable electrode for molten salt electrolysis
US4592812A (en) 1984-10-25 1986-06-03 Electrochemical Technology Corp. Method and apparatus for electrolytic reduction of alumina
US4865701A (en) 1988-08-31 1989-09-12 Beck Theodore R Electrolytic reduction of alumina
US5006209A (en) 1990-02-13 1991-04-09 Electrochemical Technology Corp. Electrolytic reduction of alumina
US5378325A (en) * 1991-09-17 1995-01-03 Aluminum Company Of America Process for low temperature electrolysis of metals in a chloride salt bath
US5284562A (en) 1992-04-17 1994-02-08 Electrochemical Technology Corp. Non-consumable anode and lining for aluminum electrolytic reduction cell
US5618403A (en) * 1995-08-07 1997-04-08 Moltech Invent S.A. Maintaining protective surfaces on carbon cathodes in aluminium electrowinning cells
US5753163A (en) * 1995-08-28 1998-05-19 Moltech. Invent S.A. Production of bodies of refractory borides
US5720868A (en) * 1996-04-19 1998-02-24 Solv-Ex Corporation Method for producing electrolytic-pot-cell grade alumina from aluminum sulphate
AU2671099A (en) * 1998-02-09 1999-08-23 Advanced Refractory Technologies, Inc. Materials for use in electrochemical smelting of metals from ore

Also Published As

Publication number Publication date
BR9907791A (pt) 2000-10-17
AU2597999A (en) 1999-08-30
US6485628B1 (en) 2002-11-26
US6379512B1 (en) 2002-04-30
US6258247B1 (en) 2001-07-10
NO20003984D0 (no) 2000-08-07
AU751783B2 (en) 2002-08-29
CA2318769A1 (en) 1999-08-19
WO1999041431A1 (en) 1999-08-19

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