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EP2066831A4 - ELECTROLYSIS CELL AND METHOD FOR OPERATING SAID CELL - Google Patents

ELECTROLYSIS CELL AND METHOD FOR OPERATING SAID CELL

Info

Publication number
EP2066831A4
EP2066831A4 EP07808629A EP07808629A EP2066831A4 EP 2066831 A4 EP2066831 A4 EP 2066831A4 EP 07808629 A EP07808629 A EP 07808629A EP 07808629 A EP07808629 A EP 07808629A EP 2066831 A4 EP2066831 A4 EP 2066831A4
Authority
EP
European Patent Office
Prior art keywords
cell
operating
electrolysis
cathode
electrical current
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.)
Granted
Application number
EP07808629A
Other languages
German (de)
French (fr)
Other versions
EP2066831B1 (en
EP2066831A1 (en
Inventor
Frank Oevstetun
Elin Haugland
Joern Rutlin
Joerund Hop
Stanislaw Jarek
Sara Thoernblad Mathisen
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.)
Norsk Hydro ASA
Original Assignee
Norsk Hydro ASA
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 Norsk Hydro ASA filed Critical Norsk Hydro ASA
Publication of EP2066831A1 publication Critical patent/EP2066831A1/en
Publication of EP2066831A4 publication Critical patent/EP2066831A4/en
Application granted granted Critical
Publication of EP2066831B1 publication Critical patent/EP2066831B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C25C3/16—Electric current supply devices, e.g. bus bars
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/60—Constructional parts of cells
    • C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
    • 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
    • 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
    • C25C7/02—Electrodes; Connections thereof
    • C25C7/025—Electrodes; Connections thereof used in cells for the electrolysis of melts

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)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Inert Electrodes (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Abstract

A method and improvements relating to an electrolysis cell, where the cell comprises a substantially horizontal cathode (4) of an electronic conducting material and further have current leads such as horizontal collector bars embedded therein. The cell further comprises a bus bar system. The cell can be operated by improved distribution of electrical current, while said cathode comprises at least one substantial vertical electrical current outlet (6).
EP07808629A 2006-09-14 2007-09-12 Electrolysis cell and method for operating the same Active EP2066831B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20064165A NO332480B1 (en) 2006-09-14 2006-09-14 Electrolysis cell and method of operation of the same
PCT/NO2007/000323 WO2008033034A1 (en) 2006-09-14 2007-09-12 Electrolysis cell and method for operating the same

Publications (3)

Publication Number Publication Date
EP2066831A1 EP2066831A1 (en) 2009-06-10
EP2066831A4 true EP2066831A4 (en) 2009-11-04
EP2066831B1 EP2066831B1 (en) 2011-04-27

Family

ID=39184004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07808629A Active EP2066831B1 (en) 2006-09-14 2007-09-12 Electrolysis cell and method for operating the same

Country Status (12)

Country Link
EP (1) EP2066831B1 (en)
CN (1) CN101680102B (en)
AT (1) ATE507325T1 (en)
AU (1) AU2007295188B2 (en)
BR (1) BRPI0716951B1 (en)
CA (1) CA2660998C (en)
DE (1) DE602007014229D1 (en)
EA (1) EA014744B1 (en)
NO (1) NO332480B1 (en)
NZ (1) NZ575484A (en)
WO (1) WO2008033034A1 (en)
ZA (1) ZA200901822B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO331318B1 (en) * 2007-04-02 2011-11-21 Norsk Hydro As Procedure for operation of electrolysis cells connected in series as well as busbar system for the same
SI2732075T1 (en) 2011-07-12 2018-06-29 Rio Tinto Alcan International Limited Aluminium smelter comprising electrical conductors made from a superconducting material
FR2977898A1 (en) * 2011-07-12 2013-01-18 Rio Tinto Alcan Int Ltd ALUMINERY COMPRISING CATHODIC EXIT TANKS THROUGH THE BOTTOM OF THE HOUSING AND TANK STABILIZATION MEANS
CN102925926A (en) * 2011-08-10 2013-02-13 贵阳铝镁设计研究院有限公司 Step type paste bundling cathode structure
EP2971270B1 (en) * 2013-03-13 2022-11-16 Elysis Limited Partnership Systems and methods of protecting electrolysis cells
CN103981540B (en) * 2014-05-28 2016-07-06 中南大学 A kind of aluminum electrolytic bath composite cathode structure containing high connductivity back bone network
NO20180369A1 (en) * 2018-03-14 2019-09-16 Norsk Hydro As Cathode elements for a Hall-Héroult cell for aluminium production and a cell of this type having such elements installed

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2833381A1 (en) * 1978-07-29 1980-02-14 Sigri Elektrographit Gmbh Electrolysis cell for winning aluminium - where carbon cathode hearth is connected to bus=bars via spaced graphite pegs increasing the efficiency of aluminium prodn.
EP0145412A2 (en) * 1983-11-29 1985-06-19 Alcan International Limited Aluminium reduction cells
SU1444402A1 (en) * 1986-12-29 1988-12-15 Иркутский Филиал Всесоюзного Научно-Исследовательского И Проектного Института Алюминиевой,Магниевой И Электродной Промышленности Electrolyzer for producing aluminium

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB816587A (en) * 1957-01-17 1959-07-15 Ind De L Aluminium Sa Improvements relating to electrolytic cells for the production of aluminium
DE1187809B (en) 1963-11-22 1965-02-25 Vaw Ver Aluminium Werke Ag Electrolysis cell for the production of aluminum by melt flow electrolysis
AU541218B2 (en) * 1979-11-07 1984-12-20 Aluminium Pechiney Process and device for suppressing magnetic disturbances in electrolytic cells
DE3004071A1 (en) * 1979-12-21 1981-07-02 Schweizerische Aluminium AG, 3965 Chippis Cathode bus=bars for mfg. aluminium in electrolysis cells - where bus=bars are divided into two lengths to reduce voltage drop between adjacent cells
DE3373115D1 (en) * 1982-05-28 1987-09-24 Alcan Int Ltd Improvements in electrolytic reduction cells for aluminium production
NO164721C (en) * 1988-06-06 1990-11-07 Norsk Hydro As ASSEMBLY OF SKIN SYSTEMS ON LARGE TRANSFERRED ELECTRIC OVERS.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2833381A1 (en) * 1978-07-29 1980-02-14 Sigri Elektrographit Gmbh Electrolysis cell for winning aluminium - where carbon cathode hearth is connected to bus=bars via spaced graphite pegs increasing the efficiency of aluminium prodn.
EP0145412A2 (en) * 1983-11-29 1985-06-19 Alcan International Limited Aluminium reduction cells
SU1444402A1 (en) * 1986-12-29 1988-12-15 Иркутский Филиал Всесоюзного Научно-Исследовательского И Проектного Института Алюминиевой,Магниевой И Электродной Промышленности Electrolyzer for producing aluminium

Also Published As

Publication number Publication date
EP2066831B1 (en) 2011-04-27
CN101680102B (en) 2011-11-09
NZ575484A (en) 2011-01-28
NO332480B1 (en) 2012-09-24
WO2008033034A8 (en) 2009-04-16
AU2007295188A1 (en) 2008-03-20
CA2660998C (en) 2013-11-12
EP2066831A1 (en) 2009-06-10
CA2660998A1 (en) 2008-03-20
WO2008033034A1 (en) 2008-03-20
BRPI0716951A2 (en) 2013-10-29
DE602007014229D1 (en) 2011-06-09
EA014744B1 (en) 2011-02-28
BRPI0716951B1 (en) 2018-06-05
NO20064165L (en) 2008-03-17
AU2007295188B2 (en) 2011-07-28
ZA200901822B (en) 2010-04-28
EA200900443A1 (en) 2009-08-28
ATE507325T1 (en) 2011-05-15
CN101680102A (en) 2010-03-24

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