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AU1678788A - Method of treating by silicopyrohydrolysis worn linings from hall-heroult electrolysis tanks - Google Patents

Method of treating by silicopyrohydrolysis worn linings from hall-heroult electrolysis tanks

Info

Publication number
AU1678788A
AU1678788A AU16787/88A AU1678788A AU1678788A AU 1678788 A AU1678788 A AU 1678788A AU 16787/88 A AU16787/88 A AU 16787/88A AU 1678788 A AU1678788 A AU 1678788A AU 1678788 A AU1678788 A AU 1678788A
Authority
AU
Australia
Prior art keywords
silicopyrohydrolysis
hall
treating
electrolysis tanks
heroult electrolysis
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
AU16787/88A
Other versions
AU603672B2 (en
Inventor
Michel Leroy
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.)
Rio Tinto France SAS
Original Assignee
Aluminium Pechiney SA
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 Aluminium Pechiney SA filed Critical Aluminium Pechiney SA
Publication of AU1678788A publication Critical patent/AU1678788A/en
Application granted granted Critical
Publication of AU603672B2 publication Critical patent/AU603672B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/20—Silicates
    • C01B33/32—Alkali metal silicates
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)
  • Treating Waste Gases (AREA)
  • Removal Of Specific Substances (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Silicon Compounds (AREA)
AU16787/88A 1987-06-01 1988-05-31 Method of treating by silicopyrohydrolysis worn linings from hall-heroult electrolysis tanks Ceased AU603672B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8708012A FR2615764B1 (en) 1987-06-01 1987-06-01 PROCESS FOR THE TREATMENT, BY SILICOPYROHYDROLYSIS, OF USED BRASQUAGES FROM HALL-HEROULT ELECTROLYSIS TANKS
FR8708012 1987-06-01

Publications (2)

Publication Number Publication Date
AU1678788A true AU1678788A (en) 1988-12-01
AU603672B2 AU603672B2 (en) 1990-11-22

Family

ID=9351847

Family Applications (1)

Application Number Title Priority Date Filing Date
AU16787/88A Ceased AU603672B2 (en) 1987-06-01 1988-05-31 Method of treating by silicopyrohydrolysis worn linings from hall-heroult electrolysis tanks

Country Status (17)

Country Link
EP (1) EP0294300B1 (en)
CN (1) CN1013248B (en)
AU (1) AU603672B2 (en)
BR (1) BR8802626A (en)
CA (1) CA1334049C (en)
DE (1) DE3867130D1 (en)
ES (1) ES2027410T3 (en)
FR (1) FR2615764B1 (en)
GR (1) GR3003448T3 (en)
HU (1) HU204717B (en)
IN (1) IN169595B (en)
IS (1) IS1513B (en)
NO (1) NO166922C (en)
NZ (1) NZ224814A (en)
RU (1) RU1782226C (en)
YU (1) YU46337B (en)
ZA (1) ZA883823B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6066771A (en) * 1993-04-06 2000-05-23 Ausmelt Limited Smelting of carbon-containing material

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE467224B (en) * 1989-01-25 1992-06-15 Skf Plasma Tech PROCEDURE AND DEVICE TO TRANSFER URL-AFFECTABLE SUBSTANCES IN WASTE MATERIALS TO GAS OR TO LAKE-STABLE SUBSTANCES
FR2664297B1 (en) * 1990-07-04 1992-09-11 Pechiney Aluminium PROCESS FOR THE TREATMENT BY THERMAL SHOCK OF USED BRAZZERS FROM HALL-HEROULT ELECTROLYSIS TANKS.
NO176648C (en) * 1991-11-07 1995-05-10 Elkem Technology Method of treating used cathode bottom
RU2247160C1 (en) * 2003-11-24 2005-02-27 Поляков Пётр Васильевич Method of processing fluorocarbon-containing wastes of electrolytic aluminum production
CN101804996B (en) * 2010-04-02 2011-12-21 北京矿冶研究总院 Method for recovering sodium fluoride from electrolytic aluminum waste cathode carbon block

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2338336A1 (en) * 1976-01-13 1977-08-12 Pechiney Aluminium NEW PROCESS FOR BRAZING TANKS FOR IGNEE ELECTROLYSIS
US4113832A (en) * 1977-11-28 1978-09-12 Kaiser Aluminum & Chemical Corporation Process for the utilization of waste materials from electrolytic aluminum reduction systems
US4160808A (en) * 1978-05-30 1979-07-10 Andersen John N Pyrohydrolysis process for spent aluminum reduction cell linings
DE2942439C2 (en) * 1979-10-20 1981-10-15 Vereinigte Aluminium-Werke Ag, 5300 Bonn Process and device for the production of hydrogen fluoride from fluorine-containing materials by pyrohydrolysis
AU611868B2 (en) * 1986-12-22 1991-06-27 Comalco Aluminium Limited Recovery of fluoride values from waste materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6066771A (en) * 1993-04-06 2000-05-23 Ausmelt Limited Smelting of carbon-containing material

Also Published As

Publication number Publication date
NZ224814A (en) 1991-02-26
EP0294300B1 (en) 1991-12-27
NO882373L (en) 1988-12-02
NO166922B (en) 1991-06-10
ES2027410T3 (en) 1992-06-01
GR3003448T3 (en) 1993-02-17
IS1513B (en) 1992-11-04
AU603672B2 (en) 1990-11-22
IN169595B (en) 1991-11-16
CN88103256A (en) 1988-12-14
HUT48138A (en) 1989-05-29
ZA883823B (en) 1989-02-22
EP0294300A1 (en) 1988-12-07
RU1782226C (en) 1992-12-15
CN1013248B (en) 1991-07-24
FR2615764B1 (en) 1989-08-18
NO882373D0 (en) 1988-05-30
NO166922C (en) 1991-09-18
HU204717B (en) 1992-02-28
CA1334049C (en) 1995-01-24
FR2615764A1 (en) 1988-12-02
DE3867130D1 (en) 1992-02-06
BR8802626A (en) 1988-12-27
YU46337B (en) 1993-05-28
IS3352A7 (en) 1988-12-02
YU105488A (en) 1989-06-30

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