NO166922C - PROGRAM FOR SILICO-PYROHYDROLYSE TREATMENT OF USED HALL-HEROULT ELECTROLYSIS TANK CHALLENGES. - Google Patents

PROGRAM FOR SILICO-PYROHYDROLYSE TREATMENT OF USED HALL-HEROULT ELECTROLYSIS TANK CHALLENGES.

Info

Publication number
NO166922C
NO166922C NO882373A NO882373A NO166922C NO 166922 C NO166922 C NO 166922C NO 882373 A NO882373 A NO 882373A NO 882373 A NO882373 A NO 882373A NO 166922 C NO166922 C NO 166922C
Authority
NO
Norway
Prior art keywords
pyrohydrolyse
silico
challenges
program
treatment
Prior art date
Application number
NO882373A
Other languages
Norwegian (no)
Other versions
NO882373D0 (en
NO882373L (en
NO166922B (en
Inventor
Michel Leroy
Original Assignee
Pechiney Aluminium
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 Pechiney Aluminium filed Critical Pechiney Aluminium
Publication of NO882373D0 publication Critical patent/NO882373D0/en
Publication of NO882373L publication Critical patent/NO882373L/en
Publication of NO166922B publication Critical patent/NO166922B/en
Publication of NO166922C publication Critical patent/NO166922C/en

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)
  • Silicon Compounds (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Removal Of Specific Substances (AREA)
  • Electrolytic Production Of Metals (AREA)
NO882373A 1987-06-01 1988-05-30 PROGRAM FOR SILICO-PYROHYDROLYSE TREATMENT OF USED HALL-HEROULT ELECTROLYSIS TANK CHALLENGES. NO166922C (en)

Applications Claiming Priority (1)

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

Publications (4)

Publication Number Publication Date
NO882373D0 NO882373D0 (en) 1988-05-30
NO882373L NO882373L (en) 1988-12-02
NO166922B NO166922B (en) 1991-06-10
NO166922C true NO166922C (en) 1991-09-18

Family

ID=9351847

Family Applications (1)

Application Number Title Priority Date Filing Date
NO882373A NO166922C (en) 1987-06-01 1988-05-30 PROGRAM FOR SILICO-PYROHYDROLYSE TREATMENT OF USED HALL-HEROULT ELECTROLYSIS TANK CHALLENGES.

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)

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
ATE202958T1 (en) 1993-04-06 2001-07-15 Ausmelt Ltd MELTING CARBON-CONTAINING MATERIAL
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

Also Published As

Publication number Publication date
CN88103256A (en) 1988-12-14
IS3352A7 (en) 1988-12-02
EP0294300B1 (en) 1991-12-27
AU603672B2 (en) 1990-11-22
NO882373D0 (en) 1988-05-30
FR2615764B1 (en) 1989-08-18
RU1782226C (en) 1992-12-15
DE3867130D1 (en) 1992-02-06
NO882373L (en) 1988-12-02
YU46337B (en) 1993-05-28
CN1013248B (en) 1991-07-24
BR8802626A (en) 1988-12-27
IS1513B (en) 1992-11-04
FR2615764A1 (en) 1988-12-02
NO166922B (en) 1991-06-10
HUT48138A (en) 1989-05-29
CA1334049C (en) 1995-01-24
HU204717B (en) 1992-02-28
IN169595B (en) 1991-11-16
GR3003448T3 (en) 1993-02-17
ES2027410T3 (en) 1992-06-01
AU1678788A (en) 1988-12-01
NZ224814A (en) 1991-02-26
ZA883823B (en) 1989-02-22
YU105488A (en) 1989-06-30
EP0294300A1 (en) 1988-12-07

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