EP2027309A4 - Preheating of electrolytic cell - Google Patents

Preheating of electrolytic cell

Info

Publication number
EP2027309A4
EP2027309A4 EP07760973A EP07760973A EP2027309A4 EP 2027309 A4 EP2027309 A4 EP 2027309A4 EP 07760973 A EP07760973 A EP 07760973A EP 07760973 A EP07760973 A EP 07760973A EP 2027309 A4 EP2027309 A4 EP 2027309A4
Authority
EP
European Patent Office
Prior art keywords
preheating
electrolytic cell
cell
sheet
exfoliated graphite
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
EP07760973A
Other languages
German (de)
French (fr)
Other versions
EP2027309B1 (en
EP2027309A2 (en
Inventor
Andrew S Macleod
Jean-Michel Dreyfus
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.)
Graftech International Holdings Inc
Original Assignee
Graftech International Holdings Inc
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 Graftech International Holdings Inc filed Critical Graftech International Holdings Inc
Publication of EP2027309A2 publication Critical patent/EP2027309A2/en
Publication of EP2027309A4 publication Critical patent/EP2027309A4/en
Application granted granted Critical
Publication of EP2027309B1 publication Critical patent/EP2027309B1/en
Not-in-force 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Seal Device For Vehicle (AREA)

Abstract

A process for preheating an electrolytic cell, which involves disposing at least one sheet of compressed particles of exfoliated graphite across at least a portion of the surface of cathode blocks in the cell.
EP07760973A 2006-06-12 2007-04-20 Preheating of electrolytic cell Not-in-force EP2027309B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/451,171 US20070284259A1 (en) 2006-06-12 2006-06-12 Preheating of electrolytic cell
PCT/US2007/067035 WO2007146492A2 (en) 2006-06-12 2007-04-20 Preheating of electrolytic cell

Publications (3)

Publication Number Publication Date
EP2027309A2 EP2027309A2 (en) 2009-02-25
EP2027309A4 true EP2027309A4 (en) 2009-07-01
EP2027309B1 EP2027309B1 (en) 2010-02-17

Family

ID=38820793

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07760973A Not-in-force EP2027309B1 (en) 2006-06-12 2007-04-20 Preheating of electrolytic cell

Country Status (8)

Country Link
US (1) US20070284259A1 (en)
EP (1) EP2027309B1 (en)
AT (1) ATE458074T1 (en)
AU (1) AU2007258182A1 (en)
CA (1) CA2643442A1 (en)
DE (1) DE602007004845D1 (en)
WO (1) WO2007146492A2 (en)
ZA (1) ZA200810525B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105463508A (en) * 2015-11-23 2016-04-06 中国铝业股份有限公司 Cathode carbon block set preheating device for performing heating through fuel gas

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009024881A1 (en) * 2009-06-09 2010-12-16 Sgl Carbon Se Cathode bottom, method for producing a cathode bottom and use thereof in an electrolytic cell for the production of aluminum
US8123928B2 (en) * 2009-12-22 2012-02-28 Rio Tinto Alcan International Limited Shut-down and start-up procedures of an electrolytic cell
CA2741112A1 (en) * 2011-05-25 2012-11-25 Rio Tinto Alcan International Inc. Dry cell start-up of an electrolytic cell for aluminium production
DE102012202748A1 (en) * 2012-02-22 2013-08-22 Sgl Carbon Se Process for producing a graphite foil
CN103834966A (en) * 2013-11-28 2014-06-04 云南云铝润鑫铝业有限公司 Electrolytic tank calcination method using aluminum skimming and aluminum powder
US10627163B1 (en) * 2019-06-06 2020-04-21 Vasily Jorjadze System and method for heating materials
US11242605B1 (en) * 2020-03-09 2022-02-08 Vasily Jorjadze Systems and methods for separating and extracting metals
US11389874B1 (en) * 2021-02-12 2022-07-19 Vasily Jorjadze Systems and method for the production of submicron sized particles
GB202408499D0 (en) * 2024-06-13 2024-07-31 Levidian Nanosystems Ltd Process for producing electrode material

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5149518A (en) * 1989-06-30 1992-09-22 Ucar Carbon Technology Corporation Ultra-thin pure flexible graphite calendered sheet and method of manufacture
WO2004027119A2 (en) * 2002-09-20 2004-04-01 Aluminium Pechiney Method for pre-heating a stack for aluminium electrolysis production

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB991581A (en) * 1962-03-21 1965-05-12 High Temperature Materials Inc Expanded pyrolytic graphite and process for producing the same
US4175022A (en) * 1977-04-25 1979-11-20 Union Carbide Corporation Electrolytic cell bottom barrier formed from expanded graphite
US4181584A (en) * 1978-12-06 1980-01-01 Ppg Industries, Inc. Method for heating electrolytic cell
US4181583A (en) * 1978-12-06 1980-01-01 Ppg Industries, Inc. Method for heating electrolytic cell
US4895713A (en) * 1987-08-31 1990-01-23 Union Carbide Corporation Intercalation of graphite
FR2789093B1 (en) * 1999-02-02 2001-03-09 Carbone Savoie GRAPHITE CATHODE FOR ALUMINUM ELECTROLYSIS

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5149518A (en) * 1989-06-30 1992-09-22 Ucar Carbon Technology Corporation Ultra-thin pure flexible graphite calendered sheet and method of manufacture
WO2004027119A2 (en) * 2002-09-20 2004-04-01 Aluminium Pechiney Method for pre-heating a stack for aluminium electrolysis production

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105463508A (en) * 2015-11-23 2016-04-06 中国铝业股份有限公司 Cathode carbon block set preheating device for performing heating through fuel gas
CN105463508B (en) * 2015-11-23 2017-12-12 中国铝业股份有限公司 A kind of carbon cathode blocks preheating device of gas heating

Also Published As

Publication number Publication date
WO2007146492A2 (en) 2007-12-21
CA2643442A1 (en) 2007-12-21
EP2027309B1 (en) 2010-02-17
WO2007146492A3 (en) 2008-11-06
DE602007004845D1 (en) 2010-04-01
ZA200810525B (en) 2009-10-28
EP2027309A2 (en) 2009-02-25
ATE458074T1 (en) 2010-03-15
US20070284259A1 (en) 2007-12-13
AU2007258182A1 (en) 2007-12-21

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