DE3064396D1 - Alumina reduction cell, methods of producing such a cell, and use thereof in the manufacture of aluminium - Google Patents

Alumina reduction cell, methods of producing such a cell, and use thereof in the manufacture of aluminium

Info

Publication number
DE3064396D1
DE3064396D1 DE8080302219T DE3064396T DE3064396D1 DE 3064396 D1 DE3064396 D1 DE 3064396D1 DE 8080302219 T DE8080302219 T DE 8080302219T DE 3064396 T DE3064396 T DE 3064396T DE 3064396 D1 DE3064396 D1 DE 3064396D1
Authority
DE
Germany
Prior art keywords
cell
aluminium
carbon
molten
alumina
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8080302219T
Other languages
German (de)
Inventor
Richard Hampton Biddulph
Anthony John Wickens
Geoffrey Kenneth Creffield
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
US Borax Inc
Original Assignee
United States Borax and Chemical Corp
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 United States Borax and Chemical Corp filed Critical United States Borax and Chemical Corp
Application granted granted Critical
Publication of DE3064396D1 publication Critical patent/DE3064396D1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/66—Electroplating: Baths therefor from 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
    • C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
    • C25C3/08—Cell construction, e.g. bottoms, walls, cathodes

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)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Catalysts (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

Alumina reduction cells are used to prepare aluminium metal by the electrolytic reduction of alumina dissolved in molten cryolite. The molten aluminium formed collects at the bottom of the cell. When the cell floor serves as cathode and is of carbon, the molten aluminium does not wet the carbon making it necessary to increase the inter-electrode distance and reducing efficiency. The invention provides a cell wherein a floor cathode comprises a carbon substrate having an adherent surface layer of electrodeposited titanium diboride which is readily wettable by molten aluminium and which makes possible considerable savings in the expense of running the cell. The titanium diboride layer can be formed in situ in the cell or can be formed outside the cell on carbonaceous elements which are subsequently installed in the cell.
DE8080302219T 1979-07-02 1980-07-01 Alumina reduction cell, methods of producing such a cell, and use thereof in the manufacture of aluminium Expired DE3064396D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7922847 1979-07-02

Publications (1)

Publication Number Publication Date
DE3064396D1 true DE3064396D1 (en) 1983-09-01

Family

ID=10506221

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080302219T Expired DE3064396D1 (en) 1979-07-02 1980-07-01 Alumina reduction cell, methods of producing such a cell, and use thereof in the manufacture of aluminium

Country Status (9)

Country Link
EP (1) EP0021850B1 (en)
JP (1) JPS569384A (en)
AT (1) ATE4331T1 (en)
AU (1) AU530394B2 (en)
CA (1) CA1172991A (en)
DE (1) DE3064396D1 (en)
GR (1) GR67190B (en)
NO (1) NO801986L (en)
NZ (1) NZ194195A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500488B1 (en) * 1981-02-24 1985-07-12 Pechiney Aluminium PROCESS FOR PRODUCING ALUMINUM ACCORDING TO THE HALL-HEROULT TECHNIQUE AND CATHODE IN ELECTRICALLY CONDUCTIVE REFRACTORY FOR IMPLEMENTING THE PROCESS
DE3277506D1 (en) * 1981-07-27 1987-11-26 Commw Aluminium Corp Refractory hard material-carbon fiber cathode coatings for aluminum reduction cells
US4560448A (en) * 1982-05-10 1985-12-24 Eltech Systems Corporation Aluminum wettable materials for aluminum production
EP0094353B1 (en) * 1982-05-10 1988-01-20 Eltech Systems Corporation Aluminum wettable materials
US5227045A (en) * 1989-01-09 1993-07-13 Townsend Douglas W Supersaturation coating of cathode substrate
US5028301A (en) * 1989-01-09 1991-07-02 Townsend Douglas W Supersaturation plating of aluminum wettable cathode coatings during aluminum smelting in drained cathode cells
US5961811A (en) * 1997-10-02 1999-10-05 Emec Consultants Potlining to enhance cell performance in aluminum production
US6616829B2 (en) 2001-04-13 2003-09-09 Emec Consultants Carbonaceous cathode with enhanced wettability for aluminum production
CN102373488A (en) * 2011-10-26 2012-03-14 中国铝业股份有限公司 Method for reducing cathode drop of aluminium cell
RU2558703C2 (en) * 2013-10-08 2015-08-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Нижегородский государственный технический университет им. Р.Е. Алексеева" НГТУ Method of pouring ladle lining manufacturing
CN109695044B (en) * 2018-12-18 2020-10-09 广西师范大学 TiB with uniform and compact structure2Layered titanium-based cathode material and method for producing same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3827954A (en) * 1969-04-14 1974-08-06 Us Interior Electrodeposition of metallic boride coatings
US3661736A (en) * 1969-05-07 1972-05-09 Olin Mathieson Refractory hard metal composite cathode aluminum reduction cell
FR2170188A1 (en) * 1972-02-04 1973-09-14 Borax Cons Ltd Carbon cathodes for aluminium refining - with fused refractory coating to reduce erosion
CH576005A5 (en) * 1972-03-21 1976-05-31 Alusuisse
US3775271A (en) * 1972-12-18 1973-11-27 Interior Electrolytic preparation of titanium and zirconium diborides using a molten, sodium salt electrolyte
US4093524A (en) * 1976-12-10 1978-06-06 Kaiser Aluminum & Chemical Corporation Bonding of refractory hard metal

Also Published As

Publication number Publication date
AU530394B2 (en) 1983-07-14
AU5979180A (en) 1981-01-15
NO801986L (en) 1981-01-05
NZ194195A (en) 1982-03-30
CA1172991A (en) 1984-08-21
EP0021850A1 (en) 1981-01-07
EP0021850B1 (en) 1983-07-27
ATE4331T1 (en) 1983-08-15
GR67190B (en) 1981-06-24
JPS6343475B2 (en) 1988-08-30
JPS569384A (en) 1981-01-30

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee