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NO20100526L - Control of bypass current in multipolar light metal reduction cells - Google Patents

Control of bypass current in multipolar light metal reduction cells

Info

Publication number
NO20100526L
NO20100526L NO20100526A NO20100526A NO20100526L NO 20100526 L NO20100526 L NO 20100526L NO 20100526 A NO20100526 A NO 20100526A NO 20100526 A NO20100526 A NO 20100526A NO 20100526 L NO20100526 L NO 20100526L
Authority
NO
Norway
Prior art keywords
cell
multipolar
light metal
control
anode
Prior art date
Application number
NO20100526A
Other languages
Norwegian (no)
Inventor
David K Creber
Adam J Gesing
Original Assignee
Alcan Int Ltd
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 Alcan Int Ltd filed Critical Alcan Int Ltd
Publication of NO20100526L publication Critical patent/NO20100526L/en
Priority to TW100301351F priority Critical patent/TWD149581S1/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
    • 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
    • C25C3/02—Electrolytic production, recovery or refining of metals by electrolysis of melts of alkali or alkaline earth metals
    • 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
    • C25C3/04—Electrolytic production, recovery or refining of metals by electrolysis of melts of magnesium
    • 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
    • C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • C25C7/005—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells of cells for the electrolysis of melts
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
    • C25C7/04—Diaphragms; Spacing elements

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

Oppfinnelsen vedrører en multipolar reduksjonscelle for produksjon av et lettmetall ved elektrolyse. Cellen har en anode, en katode og minst en strømledende multi-polar elektrode lagt imellom anoden og katoden. Cellen har en smeltet elektrolytt som inneholder et metallsalt som skal bli elektrolysert, holdt innenfor cellen, og fortrinnsvis har midler for å opprettholde en øvre overflate av elektrolytten ved et forutbestemt nivå innenfor cellen. Nivået blir fortrinnsvis opprettholdt over den øvre enden av de(n) multipolare(e) elektrode(ne), i det minste ved bruk av cellen. Den multipolare elektroden har en elektrisk isolerende flate ved dens øvre ende som minimerer eller eliminerer snikestrøm mellom anoden og katoden når cellen driftes. Oppfinnelsen vedrører også fremgangsmåten av å minimere eller eliminere snikestrømmen.The invention relates to a multipolar reduction cell for the production of a light metal by electrolysis. The cell has an anode, a cathode and at least one conductive multi-polar electrode placed between the anode and the cathode. The cell has a molten electrolyte containing a metal salt to be electrolyzed, kept within the cell, and preferably has means for maintaining an upper surface of the electrolyte at a predetermined level within the cell. The level is preferably maintained above the upper end of the multipolar electrode (s), at least when using the cell. The multipolar electrode has an electrically insulating surface at its upper end that minimizes or eliminates sneak current between the anode and cathode as the cell is operated. The invention also relates to the method of minimizing or eliminating the sneak current.

NO20100526A 2007-09-14 2010-04-14 Control of bypass current in multipolar light metal reduction cells NO20100526L (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW100301351F TWD149581S1 (en) 2007-09-14 2011-03-21 Chair

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US97246307P 2007-09-14 2007-09-14
PCT/CA2008/001544 WO2009033260A1 (en) 2007-09-14 2008-09-03 Control of by-pass current in multi-polar light metal reduction cells

Publications (1)

Publication Number Publication Date
NO20100526L true NO20100526L (en) 2010-06-11

Family

ID=40451505

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20100526A NO20100526L (en) 2007-09-14 2010-04-14 Control of bypass current in multipolar light metal reduction cells

Country Status (8)

Country Link
US (1) US20100200420A1 (en)
CN (1) CN101802270B (en)
AU (1) AU2008299528B2 (en)
CA (1) CA2697396C (en)
NO (1) NO20100526L (en)
RU (1) RU2010112494A (en)
TW (1) TWD149581S1 (en)
WO (1) WO2009033260A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102206839A (en) * 2011-06-24 2011-10-05 遵宝钛业有限公司 Method for building magnesium electrolytic tank
CN104562092B (en) * 2015-02-03 2017-05-10 奉新赣锋锂业有限公司 Multi-anode lithium metal electrolytic bath
CN110808354B (en) * 2019-11-25 2022-06-28 衡阳凯新特种材料科技有限公司 Durable silicon nitride electrode shield with good insulation performance

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2468022A (en) * 1944-12-21 1949-04-26 Dow Chemical Co Electrolytic apparatus for producing magnesium
US2629688A (en) * 1950-10-28 1953-02-24 Dow Chemical Co Electrolytic apparatus for production of magnesium
US3396094A (en) * 1962-10-25 1968-08-06 Canada Aluminum Co Electrolytic method and apparatus for production of magnesium
IL61062A (en) * 1979-09-27 1985-05-31 Ishizuka Hiroshi Apparatus for electrolytic production of magnesium metal from its chloride
CA1171384A (en) * 1980-12-11 1984-07-24 Hiroshi Ishizuka Electrolytic cell for magnesium chloride
JPS58161788A (en) * 1982-03-16 1983-09-26 Hiroshi Ishizuka Apparatus and method for electrolysis of mgcl2
DE3364923D1 (en) * 1982-06-14 1986-09-04 Alcan Int Ltd Metal production by electrolysis of a molten metal electrolyte
US4514269A (en) * 1982-08-06 1985-04-30 Alcan International Limited Metal production by electrolysis of a molten electrolyte
US4510029A (en) * 1984-05-18 1985-04-09 Amax Inc. Molten salt electrostripping cell and method for purifying molten salt electrolytes
AU614590B2 (en) * 1988-03-30 1991-09-05 Toho Titanium Co., Ltd. Electrolytic cell for recovery of metal
US5935394A (en) * 1995-04-21 1999-08-10 Alcan International Limited Multi-polar cell for the recovery of a metal by electrolysis of a molten electrolyte
IL140563A (en) * 1998-07-08 2004-09-27 Alcan Int Ltd Molten salt electrolytic cell having metal reservoir
CA2346816C (en) * 1998-10-13 2008-08-19 The Valspar Corporation Universal paint tinting concentrates
US6488760B1 (en) * 1998-10-13 2002-12-03 The Valspar Corporation Universal paint tinting concentrates
US6337008B1 (en) * 2000-06-12 2002-01-08 Alcan International Limited Electrolysis cells

Also Published As

Publication number Publication date
TWD149581S1 (en) 2012-10-11
CN101802270B (en) 2012-05-30
CA2697396A1 (en) 2009-03-19
CN101802270A (en) 2010-08-11
RU2010112494A (en) 2011-10-20
AU2008299528B2 (en) 2012-02-16
CA2697396C (en) 2011-11-08
US20100200420A1 (en) 2010-08-12
WO2009033260A1 (en) 2009-03-19
AU2008299528A1 (en) 2009-03-19

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application