WO2006048790A3 - Aluminium electrowinning with enhanced electrolyte circulation - Google Patents

Aluminium electrowinning with enhanced electrolyte circulation Download PDF

Info

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
French (fr)
Other versions
WO2006048790A2 (en
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 AU2005300270A priority Critical patent/AU2005300270A1/en
Priority to CA002584064A priority patent/CA2584064A1/en
Priority to RU2007120813/02A priority patent/RU2007120813A/en
Priority to US11/667,142 priority patent/US20080041729A1/en
Priority to EP05800288A priority patent/EP1807552A2/en
Publication of WO2006048790A2 publication Critical patent/WO2006048790A2/en
Publication of WO2006048790A3 publication Critical patent/WO2006048790A3/en
Priority to NO20072826A priority patent/NO20072826L/en

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

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

A method of operating an aluminium electrowinning cell that has one or more metal-based anodes (5) . The anodes (5) comprise metal-based foraminate anode bodies (10) which are suspended by metal-based anode stems (20) in a molten electrolyte (50) and which are spaced above a cathode (30). The method comprises electrolysing alumina dissolved in the molten electrolyte (50) by passing current via the anode stems (20) and the anode bodies (10) through the electrolyte (50) to the facing cathode (30) whereby aluminium (60) is cathodically produced and gas is anodically evolved. The gas promotes an electrolyte circulation (51) through the foraminate anode bodies (10) which facilitates dissolution of alumina. Each anode (5) has a foraminate anode body (10) suspended by least three anode stems (20) that are spaced apart from one another and distributed around a foraminate stemless central part of the anode body (10). These stems extend from the anode body (10) to above the molten electrolyte (50), the electrolyte (50) flowing up through and above said foraminate central part of the anode body (10) to enhance dissolution of alumina fed thereabove.
PCT/IB2005/053466 2004-11-05 2005-10-24 Aluminium electrowinning with enhanced electrolyte circulation WO2006048790A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AU2005300270A AU2005300270A1 (en) 2004-11-05 2005-10-24 Aluminium electrowinning with enhanced electrolyte circulation
CA002584064A CA2584064A1 (en) 2004-11-05 2005-10-24 Aluminium electrowinning with enhanced electrolyte circulation
RU2007120813/02A RU2007120813A (en) 2004-11-05 2005-10-24 ELECTROLYTIC PRODUCTION OF ALUMINUM WITH IMPROVED ELECTROLYTE CIRCULATION
US11/667,142 US20080041729A1 (en) 2004-11-05 2005-10-24 Aluminium Electrowinning With Enhanced Electrolyte Circulation
EP05800288A EP1807552A2 (en) 2004-11-05 2005-10-24 Aluminium electrowinning with enhanced electrolyte circulation
NO20072826A NO20072826L (en) 2004-11-05 2007-06-04 Electrolytic recovery of aluminum with improved electrolyte circulation

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 (en) 2006-05-11
WO2006048790A3 true WO2006048790A3 (en) 2007-02-08

Family

ID=36128585

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2005/053466 WO2006048790A2 (en) 2004-11-05 2005-10-24 Aluminium electrowinning with enhanced electrolyte circulation

Country Status (5)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103630101B (en) * 2013-11-07 2016-07-06 中国铝业股份有限公司 A kind of method of on-line measurement anode electrolytic cell thickness

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 (en) * 2002-08-23 2004-03-04 Norsk Hydro Asa Utilisation of oxygen evolving anode for hall-heroult cells and design thereof

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 (en) * 2002-08-23 2004-03-04 Norsk Hydro Asa Utilisation of oxygen evolving anode for hall-heroult cells and design thereof

Also Published As

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

Similar Documents

Publication Publication Date Title
EA200700276A1 (en) INSTALLATION FOR ELECTROLYTIC PREPARATION OF METAL POWDER
EA200700839A1 (en) METHOD FOR PRODUCING METAL BY ELECTROLYSIS OF SALT MELT AND METHOD FOR OBTAINING METAL TITANIUM
WO2004104273A8 (en) Cu-ni-fe anode for use in aluminum producing electrolytic cell
IS8762A (en) Electrolytic Discharge Electrode with Non-Smooth Slot Design
IS6827A (en) Equipment for conducting electricity to or from the electrodes in electrolytic tanks, methods of production, and electrolytic tanks and method of producing alumina by electrolysis of alumina dissolved in the molten electrolyte
WO2004083488A3 (en) Electrolytic cell for production of aluminum from alumina
TW200738911A (en) Electrolytic apparatus for producing fluorine or nitrogen trifluoride
NO20072241L (en) Process and apparatus for producing metal by melt-salt electrolysis
TW200701540A (en) Anode support apparatus
HUP0401449A2 (en) Pressure electrolyser and method for operating one such electrolyser
WO2003071005A3 (en) Carbon containing cu-ni-fe anodes for electrolysis of alumina
ATE543927T1 (en) ALUMINUM ELECTROGENERATION CELLS WITH METAL-BASED ANODES
DE50310295D1 (en) PRESSURE ELECTROLYSIS AND METHOD FOR SWITCHING OFF A PRESSURE ELECTROLYSIS
WO2006048790A3 (en) Aluminium electrowinning with enhanced electrolyte circulation
AR041803A1 (en) METHOD OF ELECTROLYTIC PRODUCTION OF ALUMNIUM WITH INERT ANODE.
CA2357717A1 (en) Aluminium electrowinning cells with oxygen-evolving anodes
CN106835196B (en) Produce the mixing electrolysis system of tough cathode
WO2005118916A3 (en) High stability flow-through non-carbon anodes for aluminium electrowinning
RU2001127744A (en) ELECTROLYZERS FOR ELECTROLYTIC PRODUCTION OF ALUMINUM WITH ANODES OXIDATING OXYGEN
MX2007002330A (en) Process for copper electrowinning and electrorefining.
ES2238318T3 (en) CELL FOR ELECTROLYTIC EXTRACTION OF ALUMINUM WITH CATHEDE DRAINED WITH BETTER CIRCULATION OF ELECTROLYTE.
NO20013377L (en) Electrolysis cell with improved alumina supply
CN206666650U (en) Produce the mixing electrolysis system of tough cathode
NO20072826L (en) Electrolytic recovery of aluminum with improved electrolyte circulation
CN101418457A (en) Collocation method for pre-baked anode carbon blocks of aluminum cell

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV LY MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 2584064

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: 2928/DELNP/2007

Country of ref document: IN

WWE Wipo information: entry into national phase

Ref document number: 554812

Country of ref document: NZ

WWE Wipo information: entry into national phase

Ref document number: 11667142

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2005300270

Country of ref document: AU

WWE Wipo information: entry into national phase

Ref document number: 2005800288

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2005300270

Country of ref document: AU

Date of ref document: 20051024

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 2007120813

Country of ref document: RU

WWP Wipo information: published in national office

Ref document number: 2005800288

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 11667142

Country of ref document: US

WWW Wipo information: withdrawn in national office

Ref document number: 2005800288

Country of ref document: EP