BRPI0416235A - eletrólito, e, métodos para usar anodos inertes e catodos umectáveis na produção eletrolìtica de alumìnio e para eletrolisar alumina abaixo de 1000 c - Google Patents

eletrólito, e, métodos para usar anodos inertes e catodos umectáveis na produção eletrolìtica de alumìnio e para eletrolisar alumina abaixo de 1000 c

Info

Publication number
BRPI0416235A
BRPI0416235A BRPI0416235-8A BRPI0416235A BRPI0416235A BR PI0416235 A BRPI0416235 A BR PI0416235A BR PI0416235 A BRPI0416235 A BR PI0416235A BR PI0416235 A BRPI0416235 A BR PI0416235A
Authority
BR
Brazil
Prior art keywords
electrolyte
alumina
cathodes
inert anodes
new
Prior art date
Application number
BRPI0416235-8A
Other languages
English (en)
Inventor
Boyd R Davis
Jianhong Yang
Alain Roy
John N Hryn
Original Assignee
Univ Chicago
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 Univ Chicago filed Critical Univ Chicago
Publication of BRPI0416235A publication Critical patent/BRPI0416235A/pt

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
    • 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)

Abstract

"ELETRóLITO, E, MéTODOS PARA USAR ANODOS INERTES E CATODOS UMECTáVEIS NA PRODUçãO ELETROLìTICA DE ALUMìNIO E PARA ELETROLISAR ALUMINA ABAIXO DE 1000<198>C". Um novo método para a produção eletrolítica de alumínio, usando uma nova composição de eletrólito e uma operação em baixa temperatura, é provido. O eletrólito compreende uma mistura de fluoreto de alumínio - fluoreto de potássio com de cerca de 2 % em peso a 6 % em peso de alumina. O novo eletrólito permite a redução eletrolítica de alumina em temperaturas tão baixas como 700<198>C. A menor temperatura permite o uso de anodos inertes, e conduz ao uso de catodos umedecidos. A nova mistura de eletrólitos tem uma maior solubilidade para alumina e permanece completamente líquida, mesmo com 5 % em peso de alumina presente no eletrólito durante a eletrólise. Oxigênio (02) é o único gás gerado durante a eletrólise de alumina com o novo eletrólito e os anodos inertes, assim eliminando a produção de gases estufa. Os anodos e catodos podem ser montados em uma configuração vertical, horizontal ou uma outra.
BRPI0416235-8A 2003-11-05 2004-11-04 eletrólito, e, métodos para usar anodos inertes e catodos umectáveis na produção eletrolìtica de alumìnio e para eletrolisar alumina abaixo de 1000 c BRPI0416235A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/702,419 US20050092619A1 (en) 2003-11-05 2003-11-05 Process for electrolytic production of aluminum
PCT/US2004/037180 WO2005045101A2 (en) 2003-11-05 2004-11-04 Process for electrolytic production of aluminum

Publications (1)

Publication Number Publication Date
BRPI0416235A true BRPI0416235A (pt) 2007-01-02

Family

ID=34551674

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0416235-8A BRPI0416235A (pt) 2003-11-05 2004-11-04 eletrólito, e, métodos para usar anodos inertes e catodos umectáveis na produção eletrolìtica de alumìnio e para eletrolisar alumina abaixo de 1000 c

Country Status (10)

Country Link
US (1) US20050092619A1 (pt)
EP (1) EP1689913A2 (pt)
CN (1) CN101103141A (pt)
AU (1) AU2004288233A1 (pt)
BR (1) BRPI0416235A (pt)
CA (1) CA2544702A1 (pt)
NO (1) NO20062501L (pt)
RU (1) RU2006119476A (pt)
WO (1) WO2005045101A2 (pt)
ZA (1) ZA200603562B (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2412284C1 (ru) * 2009-08-05 2011-02-20 Федеральное государственное образовательное учреждение высшего профессионального образования "Сибирский федеральный университет" Материал смачиваемого катода алюминиевого электролизера
CN101709487A (zh) * 2009-12-18 2010-05-19 中国铝业股份有限公司 一种铝电解的电解质
CN101857961A (zh) * 2010-06-13 2010-10-13 中国铝业股份有限公司 一种降低铝电解槽单位生产能耗的方法
RU2449059C2 (ru) * 2010-07-21 2012-04-27 Общество с ограниченной ответственностью "Легкие металлы" Электролизер для производства алюминия
ES2379434B2 (es) * 2010-10-01 2012-09-06 Asturiana De Aleaciones, S.A. Composición de electrolito para la obtención de aluminio metálico
CN102251259A (zh) * 2011-07-09 2011-11-23 中国铝业股份有限公司 一种高导电和高溶解性能的铝电解质体系
RU2499085C1 (ru) * 2012-03-16 2013-11-20 Общество с ограниченной ответственностью "Легкие металлы" Электролизер для производства алюминия
CN102650064A (zh) * 2012-05-23 2012-08-29 深圳市新星轻合金材料股份有限公司 用于铝电解工业的钾冰晶石及其制备方法
CN102649577A (zh) * 2012-05-23 2012-08-29 深圳市新星轻合金材料股份有限公司 用于铝电解工业的钠冰晶石及其制备方法
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
WO2013174065A1 (zh) * 2012-05-23 2013-11-28 深圳市新星轻合金材料股份有限公司 用于铝电解工业的低分子比冰晶石及其制备方法
CN102689907A (zh) * 2012-05-30 2012-09-26 深圳市新星轻合金材料股份有限公司 过渡金属硼化物的制备工艺及其应用
RU2502832C1 (ru) * 2012-10-08 2013-12-27 Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" Способ защиты катодных блоков со смачиваемым покрытием на основе диборида титана при обжиге электролизера
EP2956574B1 (en) * 2013-02-14 2018-08-29 Alliance Magnésium Hydrogen gas diffusion anode arrangement producing hcl
RU2550683C1 (ru) * 2013-12-19 2015-05-10 Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Сибирский Федеральный Университет" Электролизер для производства алюминия
CN110777395A (zh) * 2019-11-27 2020-02-11 镇江慧诚新材料科技有限公司 一种氧铝联产电解槽上部结构

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6258247B1 (en) * 1998-02-11 2001-07-10 Northwest Aluminum Technology Bath for electrolytic reduction of alumina and method therefor
US6436272B1 (en) * 1999-02-09 2002-08-20 Northwest Aluminum Technologies Low temperature aluminum reduction cell using hollow cathode

Also Published As

Publication number Publication date
CN101103141A (zh) 2008-01-09
RU2006119476A (ru) 2007-12-20
WO2005045101A3 (en) 2007-08-16
AU2004288233A1 (en) 2005-05-19
US20050092619A1 (en) 2005-05-05
ZA200603562B (en) 2007-07-25
WO2005045101A2 (en) 2005-05-19
EP1689913A2 (en) 2006-08-16
NO20062501L (no) 2006-08-01
CA2544702A1 (en) 2005-05-19

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 5A, 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2158 DE 15/05/2012.