WO2007146492A3 - Preheating of electrolytic cell - Google Patents

Preheating of electrolytic cell Download PDF

Info

Publication number
WO2007146492A3
WO2007146492A3 PCT/US2007/067035 US2007067035W WO2007146492A3 WO 2007146492 A3 WO2007146492 A3 WO 2007146492A3 US 2007067035 W US2007067035 W US 2007067035W WO 2007146492 A3 WO2007146492 A3 WO 2007146492A3
Authority
WO
WIPO (PCT)
Prior art keywords
preheating
electrolytic cell
cell
sheet
exfoliated graphite
Prior art date
Application number
PCT/US2007/067035
Other languages
French (fr)
Other versions
WO2007146492A2 (en
Inventor
Andrew S Macleod
Jean-Michel Dreyfus
Original Assignee
Graftech Int Holdings Inc
Andrew S Macleod
Jean-Michel Dreyfus
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 Int Holdings Inc, Andrew S Macleod, Jean-Michel Dreyfus filed Critical Graftech Int Holdings Inc
Priority to CA002643442A priority Critical patent/CA2643442A1/en
Priority to AT07760973T priority patent/ATE458074T1/en
Priority to AU2007258182A priority patent/AU2007258182A1/en
Priority to DE602007004845T priority patent/DE602007004845D1/en
Priority to EP07760973A priority patent/EP2027309B1/en
Publication of WO2007146492A2 publication Critical patent/WO2007146492A2/en
Publication of WO2007146492A3 publication Critical patent/WO2007146492A3/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
    • 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

Abstract

A process for preheating an electrolytic cell (10), 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.
PCT/US2007/067035 2006-06-12 2007-04-20 Preheating of electrolytic cell WO2007146492A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA002643442A CA2643442A1 (en) 2006-06-12 2007-04-20 Preheating of electrolytic cell
AT07760973T ATE458074T1 (en) 2006-06-12 2007-04-20 PREHEATING ELECTROLYTE CELLS
AU2007258182A AU2007258182A1 (en) 2006-06-12 2007-04-20 Preheating of electrolytic cell
DE602007004845T DE602007004845D1 (en) 2006-06-12 2007-04-20 PREHEATING ELECTROLYTIC CELLS
EP07760973A EP2027309B1 (en) 2006-06-12 2007-04-20 Preheating of electrolytic cell

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/451,171 2006-06-12
US11/451,171 US20070284259A1 (en) 2006-06-12 2006-06-12 Preheating of electrolytic cell

Publications (2)

Publication Number Publication Date
WO2007146492A2 WO2007146492A2 (en) 2007-12-21
WO2007146492A3 true WO2007146492A3 (en) 2008-11-06

Family

ID=38820793

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/067035 WO2007146492A2 (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)

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
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
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3404061A (en) * 1962-03-21 1968-10-01 Union Carbide Corp Flexible graphite material of expanded particles compressed together
US4181583A (en) * 1978-12-06 1980-01-01 Ppg Industries, Inc. Method for heating electrolytic cell

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4895713A (en) * 1987-08-31 1990-01-23 Union Carbide Corporation Intercalation of graphite
US5149518A (en) * 1989-06-30 1992-09-22 Ucar Carbon Technology Corporation Ultra-thin pure flexible graphite calendered sheet and method of manufacture
FR2789093B1 (en) * 1999-02-02 2001-03-09 Carbone Savoie GRAPHITE CATHODE FOR ALUMINUM ELECTROLYSIS
FR2844811B1 (en) * 2002-09-20 2004-10-22 Pechiney Aluminium METHOD FOR PREHEATING A TANK FOR THE PRODUCTION OF ALUMINUM BY ELECTROLYSIS

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3404061A (en) * 1962-03-21 1968-10-01 Union Carbide Corp Flexible graphite material of expanded particles compressed together
US4181583A (en) * 1978-12-06 1980-01-01 Ppg Industries, Inc. Method for heating electrolytic cell

Also Published As

Publication number Publication date
ATE458074T1 (en) 2010-03-15
CA2643442A1 (en) 2007-12-21
ZA200810525B (en) 2009-10-28
EP2027309A2 (en) 2009-02-25
EP2027309B1 (en) 2010-02-17
US20070284259A1 (en) 2007-12-13
WO2007146492A2 (en) 2007-12-21
AU2007258182A1 (en) 2007-12-21
DE602007004845D1 (en) 2010-04-01
EP2027309A4 (en) 2009-07-01

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