EP2440688B8 - Cathode bottom, method for producing a cathode bottom, and use of the same in an electrolytic cell for producing aluminum - Google Patents

Cathode bottom, method for producing a cathode bottom, and use of the same in an electrolytic cell for producing aluminum Download PDF

Info

Publication number
EP2440688B8
EP2440688B8 EP10721169.0A EP10721169A EP2440688B8 EP 2440688 B8 EP2440688 B8 EP 2440688B8 EP 10721169 A EP10721169 A EP 10721169A EP 2440688 B8 EP2440688 B8 EP 2440688B8
Authority
EP
European Patent Office
Prior art keywords
producing
cathode bottom
same
electrolytic cell
aluminum
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.)
Active
Application number
EP10721169.0A
Other languages
German (de)
French (fr)
Other versions
EP2440688B1 (en
EP2440688A1 (en
Inventor
Oswin ÖTTINGER
Frank Hiltmann
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.)
Tokai Cobex GmbH
Original Assignee
Cobex GmbH
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 Cobex GmbH filed Critical Cobex GmbH
Priority to PL10721169T priority Critical patent/PL2440688T3/en
Publication of EP2440688A1 publication Critical patent/EP2440688A1/en
Publication of EP2440688B1 publication Critical patent/EP2440688B1/en
Application granted granted Critical
Publication of EP2440688B8 publication Critical patent/EP2440688B8/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
    • C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor

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)
EP10721169.0A 2009-06-09 2010-06-01 Cathode bottom, method for producing a cathode bottom, and use of the same in an electrolytic cell for producing aluminum Active EP2440688B8 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10721169T PL2440688T3 (en) 2009-06-09 2010-06-01 Cathode bottom, method for producing a cathode bottom, and use of the same in an electrolytic cell for producing aluminum

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009024881A DE102009024881A1 (en) 2009-06-09 2009-06-09 Cathode bottom, method for producing a cathode bottom and use thereof in an electrolytic cell for the production of aluminum
PCT/EP2010/057667 WO2010142580A1 (en) 2009-06-09 2010-06-01 Cathode bottom, method for producing a cathode bottom, and use of the same in an electrolytic cell for producing aluminum

Publications (3)

Publication Number Publication Date
EP2440688A1 EP2440688A1 (en) 2012-04-18
EP2440688B1 EP2440688B1 (en) 2018-11-21
EP2440688B8 true EP2440688B8 (en) 2019-02-27

Family

ID=42470541

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10721169.0A Active EP2440688B8 (en) 2009-06-09 2010-06-01 Cathode bottom, method for producing a cathode bottom, and use of the same in an electrolytic cell for producing aluminum

Country Status (13)

Country Link
US (1) US20120085639A1 (en)
EP (1) EP2440688B8 (en)
JP (1) JP5832996B2 (en)
CN (1) CN102449202B (en)
AU (1) AU2010257604B2 (en)
BR (1) BRPI1011421B1 (en)
CA (1) CA2757336C (en)
DE (1) DE102009024881A1 (en)
PL (1) PL2440688T3 (en)
RU (1) RU2567777C2 (en)
UA (1) UA109767C2 (en)
WO (1) WO2010142580A1 (en)
ZA (1) ZA201106928B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA111247C2 (en) * 2011-11-11 2016-04-11 Сгл Карбон Се METHOD OF MEASURING SURFACES OF SURFACES IN OPERATING ALUMINUM ELECTROLYZERS
WO2014060422A2 (en) 2012-10-17 2014-04-24 Sgl Carbon Se Cathode block with trapezoidal cross section
DE102012218960B4 (en) 2012-10-17 2014-11-27 Sgl Carbon Se Cathode comprising cathode blocks with a partially trapezoidal cross-section
DE102012218958A1 (en) 2012-10-17 2014-04-30 Sgl Carbon Se Block, useful in cathode of electrolysis cell, which is useful for producing aluminum, where block has cross section perpendicular to a longitudinal axis of the cathode block and shape of trapezium
DE102012218959A1 (en) 2012-10-17 2014-04-30 Sgl Carbon Se Block, useful in cathode of electrolysis cell, which is useful for producing aluminum, where block has cross section perpendicular to a longitudinal axis of the cathode block and shape of trapezium
DE102015011952A1 (en) * 2015-09-18 2017-03-23 Sgl Carbon Se Cathode bottom, method for producing a cathode bottom and use thereof in an electrolytic cell for the production of aluminum
EP3491175A1 (en) 2016-07-26 2019-06-05 COBEX GmbH Cathode assembly for the production of aluminum

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2008215A1 (en) * 1970-02-21 1971-09-02 Sigri Elektrographit Gmbh Graphite sheathing for aluminium electrolysi
DE2240886A1 (en) * 1972-08-19 1974-02-28 Sigri Elektrographit Gmbh PROCEDURE FOR EXTENDING THE SERVICE LIFE OF A Blast furnace shaft
US4175022A (en) * 1977-04-25 1979-11-20 Union Carbide Corporation Electrolytic cell bottom barrier formed from expanded graphite
FR2546183B1 (en) * 1983-05-16 1985-07-05 Pechiney Aluminium SUB-CATHODIC SCREEN COMPRISING DEFORMABLE AREAS, FOR HALL-HEROULT ELECTROLYSIS TANKS
SU1477786A1 (en) * 1987-05-22 1989-05-07 Красноярский Политехнический Институт Hearth of aluminium production electrolyzer
EP1146146B1 (en) * 1994-09-08 2003-10-29 MOLTECH Invent S.A. Horizontal drained cathode surface with recessed grooves for aluminium electrowinning
AU758688B2 (en) * 1998-12-16 2003-03-27 Alcan International Limited Multi-layer cathode structures
RU2221087C2 (en) * 2002-02-26 2004-01-10 Леонов Виктор Васильевич Aluminum cell hearth
RU2224937C1 (en) * 2002-08-26 2004-02-27 Закрытое акционерное общество "ИЛЬМА" Sealing tape
US20050175062A1 (en) * 2004-01-20 2005-08-11 Brian Bowman End-face seal for graphite electrodes
EP1676928A1 (en) * 2004-12-30 2006-07-05 Sgl Carbon Ag Furnace expansion joint with compressible expanded graphite sheet filler and manufacturing method
EP1801264A1 (en) * 2005-12-22 2007-06-27 Sgl Carbon Ag Cathodes for aluminium electrolysis cell with expanded graphite lining
US20070284259A1 (en) * 2006-06-12 2007-12-13 Macleod Andrew S Preheating of electrolytic cell
EP2006419A1 (en) * 2007-06-22 2008-12-24 Sgl Carbon Ag Reduced voltage drop anode assembly for aluminium electrolysis cell

Also Published As

Publication number Publication date
RU2011138837A (en) 2013-03-27
PL2440688T3 (en) 2019-07-31
RU2567777C2 (en) 2015-11-10
WO2010142580A1 (en) 2010-12-16
JP2012529567A (en) 2012-11-22
DE102009024881A1 (en) 2010-12-16
EP2440688B1 (en) 2018-11-21
AU2010257604B2 (en) 2015-05-28
CA2757336C (en) 2017-11-21
CN102449202B (en) 2016-09-28
CN102449202A (en) 2012-05-09
UA109767C2 (en) 2015-10-12
JP5832996B2 (en) 2015-12-16
CA2757336A1 (en) 2010-12-16
ZA201106928B (en) 2012-12-27
BRPI1011421B1 (en) 2019-10-08
EP2440688A1 (en) 2012-04-18
BRPI1011421A2 (en) 2016-03-15
AU2010257604A1 (en) 2011-11-10
US20120085639A1 (en) 2012-04-12

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