WO2006048790A3 - Extraction electrolytique d'aluminium avec circulation d'electrolyte amelioree - Google Patents

Extraction electrolytique d'aluminium avec circulation d'electrolyte amelioree Download PDF

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Publication number
WO2006048790A3
WO2006048790A3 PCT/IB2005/053466 IB2005053466W WO2006048790A3 WO 2006048790 A3 WO2006048790 A3 WO 2006048790A3 IB 2005053466 W IB2005053466 W IB 2005053466W WO 2006048790 A3 WO2006048790 A3 WO 2006048790A3
Authority
WO
WIPO (PCT)
Prior art keywords
anode
foraminate
electrolyte
stems
alumina
Prior art date
Application number
PCT/IB2005/053466
Other languages
English (en)
Other versions
WO2006048790A2 (fr
Inventor
Nora Vittorio De
Thinh T Nguyen
Original Assignee
Moltech Invent Sa
Nora Vittorio De
Thinh T Nguyen
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 Moltech Invent Sa, Nora Vittorio De, Thinh T Nguyen filed Critical Moltech Invent Sa
Priority to CA002584064A priority Critical patent/CA2584064A1/fr
Priority to RU2007120813/02A priority patent/RU2007120813A/ru
Priority to EP05800288A priority patent/EP1807552A2/fr
Priority to US11/667,142 priority patent/US20080041729A1/en
Priority to AU2005300270A priority patent/AU2005300270A1/en
Publication of WO2006048790A2 publication Critical patent/WO2006048790A2/fr
Publication of WO2006048790A3 publication Critical patent/WO2006048790A3/fr
Priority to NO20072826A priority patent/NO20072826L/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
    • C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
    • C25C3/12—Anodes

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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)

Abstract

L'invention concerne un procédé permettant de faire fonctionner une cellule d'extraction électrolytique d'aluminium possédant au moins une anode a base de métal (5) . La ou les anodes (5) comprennent des corps d'anode (10) perforés à base de métal suspendus par des tiges d'anode (20) à base de métal dans un électrolyte fondu (50) et espacés au-dessus d'une cathode (30). Ce procédé consiste à électrolyser de l'alumine dissoute dans l'électrolyte fondu (50) en faisant passer du courant par l'intermédiaire des tiges d'anode (20) et des corps d'anode (10) à travers l'électrolyte (50) vers la cathode opposée (30), l'aluminium (60) étant produit par voie cathodique et du gaz étant émis par voie anodique. Le gaz promeut une circulation électrolytique (51) à travers les corps d'anode perforés (10), ce qui facilite la dissolution de l'alumine. Chaque anode (5) possède un corps d'anode perforé (10) suspendu au moyen d'au moins trois tiges d'anode (20) espacées les unes des autres et distribuées autour d'une partie centrale dépourvue de tige perforée du corps d'anode (10). Ces tiges s'étendent du corps d'anode (10) au-dessus de l'électrolyte fondu (50), l'électrolyte (50) coulant à travers et au-dessus de la partie centrale perforée du corps d'anode (10) pour améliorer la dissolution de l'alumine amenée.
PCT/IB2005/053466 2004-11-05 2005-10-24 Extraction electrolytique d'aluminium avec circulation d'electrolyte amelioree WO2006048790A2 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA002584064A CA2584064A1 (fr) 2004-11-05 2005-10-24 Extraction electrolytique d'aluminium avec circulation d'electrolyte amelioree
RU2007120813/02A RU2007120813A (ru) 2004-11-05 2005-10-24 Электролитическое получение алюминия с улучшенной циркуляцией электролита
EP05800288A EP1807552A2 (fr) 2004-11-05 2005-10-24 Extraction electrolytique d'aluminium avec circulation d'electrolyte amelioree
US11/667,142 US20080041729A1 (en) 2004-11-05 2005-10-24 Aluminium Electrowinning With Enhanced Electrolyte Circulation
AU2005300270A AU2005300270A1 (en) 2004-11-05 2005-10-24 Aluminium electrowinning with enhanced electrolyte circulation
NO20072826A NO20072826L (no) 2004-11-05 2007-06-04 Elektrolyttisk utvinning av aluminium med forbedret elektrolyttsirkulasjon

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IBPCT/IB2004/003642 2004-11-05
IB2004003642 2004-11-05

Publications (2)

Publication Number Publication Date
WO2006048790A2 WO2006048790A2 (fr) 2006-05-11
WO2006048790A3 true WO2006048790A3 (fr) 2007-02-08

Family

ID=36128585

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2005/053466 WO2006048790A2 (fr) 2004-11-05 2005-10-24 Extraction electrolytique d'aluminium avec circulation d'electrolyte amelioree

Country Status (5)

Country Link
EP (1) EP1807552A2 (fr)
AU (1) AU2005300270A1 (fr)
CA (1) CA2584064A1 (fr)
RU (1) RU2007120813A (fr)
WO (1) WO2006048790A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103630101B (zh) * 2013-11-07 2016-07-06 中国铝业股份有限公司 一种在线测量电解槽阳极厚度的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020027069A1 (en) * 1999-01-08 2002-03-07 Vittorio De Nora Aluminium electrowinning cells with oxygen-evolving anodes
WO2004018736A1 (fr) * 2002-08-23 2004-03-04 Norsk Hydro Asa Anode a emission d'oxygene dans des cellules hall-heroult : utilisation et fabrication

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020027069A1 (en) * 1999-01-08 2002-03-07 Vittorio De Nora Aluminium electrowinning cells with oxygen-evolving anodes
WO2004018736A1 (fr) * 2002-08-23 2004-03-04 Norsk Hydro Asa Anode a emission d'oxygene dans des cellules hall-heroult : utilisation et fabrication

Also Published As

Publication number Publication date
CA2584064A1 (fr) 2006-05-11
RU2007120813A (ru) 2008-12-10
EP1807552A2 (fr) 2007-07-18
WO2006048790A2 (fr) 2006-05-11
AU2005300270A1 (en) 2006-05-11

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