BR8802626A - Processo de tratamento,por silicopirohidrolise,de materiais de revestimento usados particularmente provenientes de cubas de eletrolise hall-heroult - Google Patents

Processo de tratamento,por silicopirohidrolise,de materiais de revestimento usados particularmente provenientes de cubas de eletrolise hall-heroult

Info

Publication number
BR8802626A
BR8802626A BR8802626A BR8802626A BR8802626A BR 8802626 A BR8802626 A BR 8802626A BR 8802626 A BR8802626 A BR 8802626A BR 8802626 A BR8802626 A BR 8802626A BR 8802626 A BR8802626 A BR 8802626A
Authority
BR
Brazil
Prior art keywords
silicopirohidrolise
hall
treatment
materials used
coating materials
Prior art date
Application number
BR8802626A
Other languages
English (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 BR8802626A publication Critical patent/BR8802626A/pt

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)
  • Electrolytic Production Of Metals (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Removal Of Specific Substances (AREA)
  • Silicon Compounds (AREA)
BR8802626A 1987-06-01 1988-05-31 Processo de tratamento,por silicopirohidrolise,de materiais de revestimento usados particularmente provenientes de cubas de eletrolise hall-heroult BR8802626A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8708012A FR2615764B1 (fr) 1987-06-01 1987-06-01 Procede de traitement, par silicopyrohydrolyse, de brasquages uses provenant de cuves d'electrolyse hall-heroult

Publications (1)

Publication Number Publication Date
BR8802626A true BR8802626A (pt) 1988-12-27

Family

ID=9351847

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8802626A BR8802626A (pt) 1987-06-01 1988-05-31 Processo de tratamento,por silicopirohidrolise,de materiais de revestimento usados particularmente provenientes de cubas de eletrolise hall-heroult

Country Status (17)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE467224B (sv) * 1989-01-25 1992-06-15 Skf Plasma Tech Foerfarande och anordning foer att oeverfoera urlakningsbara substanser i avfallsmaterial till gas eller till lakningsstabila foereningar
FR2664297B1 (fr) * 1990-07-04 1992-09-11 Pechiney Aluminium Procede de traitement par choc thermique de brasquages uses provenant de cuves d'electrolyse hall-heroult.
NO176648C (no) * 1991-11-07 1995-05-10 Elkem Technology Fremgangsmåte for behandling av brukte katodebunner
CA2159806C (en) * 1993-04-06 2005-07-05 John Millice Floyd Smelting of carbon-containing material
CN101804996B (zh) * 2010-04-02 2011-12-21 北京矿冶研究总院 一种从电解铝废阴极炭块中回收氟化钠的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2338336A1 (fr) * 1976-01-13 1977-08-12 Pechiney Aluminium Nouveau procede de brasquage des cuves pour electrolyse ignee
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 (de) * 1979-10-20 1981-10-15 Vereinigte Aluminium-Werke Ag, 5300 Bonn Verfahren und Vorrichtung zur Gewinnung von Fluorwasserstoff aus fluorhaltigen Materialien durch Pyrohydrolyse
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
HUT48138A (en) 1989-05-29
IN169595B (pt) 1991-11-16
YU105488A (en) 1989-06-30
NO166922B (no) 1991-06-10
HU204717B (en) 1992-02-28
FR2615764B1 (fr) 1989-08-18
EP0294300B1 (fr) 1991-12-27
ES2027410T3 (es) 1992-06-01
CN1013248B (zh) 1991-07-24
CA1334049C (fr) 1995-01-24
DE3867130D1 (de) 1992-02-06
RU1782226C (ru) 1992-12-15
CN88103256A (zh) 1988-12-14
YU46337B (sh) 1993-05-28
ZA883823B (en) 1989-02-22
NO882373D0 (no) 1988-05-30
NO882373L (no) 1988-12-02
FR2615764A1 (fr) 1988-12-02
GR3003448T3 (en) 1993-02-17
IS1513B (is) 1992-11-04
AU603672B2 (en) 1990-11-22
EP0294300A1 (fr) 1988-12-07
NZ224814A (en) 1991-02-26
AU1678788A (en) 1988-12-01
IS3352A7 (is) 1988-12-02
NO166922C (no) 1991-09-18

Similar Documents

Publication Publication Date Title
IT8721512A0 (it) Processo per la preparazione di2,2,6,6 tetrametil 4piperidilammine.
DE3789746D1 (de) Verfahren zur Herstellung von Zink-Nickel-Phosphatüberzügen.
DE3853060D1 (de) Verfahren zur Herstellung von Oligonucleotiden.
DE3762408D1 (de) Elektrolysezelle zur elektrolytischen abscheidung von metallen.
DE3769154D1 (de) Anlage zur oberflaechenbehandlung von kontinuierlich durchlaufenden baendern, insbesondere beizanlage.
DE3888372D1 (de) Verfahren zur Reinigung von Hexamethyldisiloxan.
ATE89009T1 (de) Verfahren zur kontrollierten depolymerisierung von polysacchariden.
DE3889871D1 (de) Verfahren zur Herstellung von hochreinem 2,2-Bis(4-hydroxyphenyl)propan.
IT8323805A0 (it) Processo per la igienizzazione di fanghi biologici.
DE68922042D1 (de) Verfahren zur Herstellung von Titanoxid.
BR8802626A (pt) Processo de tratamento,por silicopirohidrolise,de materiais de revestimento usados particularmente provenientes de cubas de eletrolise hall-heroult
DE69300667D1 (de) Verfahren zur thermischen Behandlung von verbrauchten Auskleidungen aus elektrolytischen Hall-Heroult Zellen.
GB2202548A (en) Non-chrome tanning process
DE59006142D1 (de) Elektrolyseverfahren zur Aufbereitung Metallionen enthaltender Altbeizen oder Produktströme.
DE3785278D1 (de) Zelle zur kontinuierlichen elektrolytischen abscheidungsbehandlung von stangen und aehnlichem.
EP0413260A3 (en) Surface treatment chemicals for forming hydrophilic coatings, treatment bath containing them, and treatment method
DE69313832T2 (de) Verfahren zur Herstellung von 2,4-Dihydroxydiphenylsulfon
DE69404725D1 (de) Verfahren zur elektrolytischen Behandlung von Altbatterien
AU1958988A (en) Process for the treatment of hides
BR8804796A (pt) Processo de regulacao da acidez do banho de eletrolise por reciclagem dos efluentes fluorados emitidos pelas cubas de eletrolise hall-heroult
DE3761377D1 (de) Verfahren zur aufarbeitung von 2-merkaptobenzthiazol enthaltenden teeren.
DE69020081D1 (de) Verfahren zur Herstellung von 3,3',4,4'-Biphenyltetracarbonsäure von hoher Reinheit oder deren Dianhydrid.
ATE51398T1 (de) Verfahren zur herstellung von 4,4'-dinitrostilben-2,2'-disulfonsaeure.
DE69014747D1 (de) Verfahren zur Herstellung von Kaliumtitanarsenat-Einkristallen.
IT1224686B (it) Procedimento per la tintura o lastampa di pelli

Legal Events

Date Code Title Description
FA2 Application deemed withdrawn (art. 19(5))