FR2432995B1 - - Google Patents

Info

Publication number
FR2432995B1
FR2432995B1 FR7919687A FR7919687A FR2432995B1 FR 2432995 B1 FR2432995 B1 FR 2432995B1 FR 7919687 A FR7919687 A FR 7919687A FR 7919687 A FR7919687 A FR 7919687A FR 2432995 B1 FR2432995 B1 FR 2432995B1
Authority
FR
France
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.)
Expired
Application number
FR7919687A
Other versions
FR2432995A1 (fr
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.)
Central Glass Co Ltd
Original Assignee
Central Glass Co Ltd
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
Priority claimed from JP9580478A external-priority patent/JPS5523060A/ja
Priority claimed from JP8150979A external-priority patent/JPS569220A/ja
Application filed by Central Glass Co Ltd filed Critical Central Glass Co Ltd
Publication of FR2432995A1 publication Critical patent/FR2432995A1/fr
Application granted granted Critical
Publication of FR2432995B1 publication Critical patent/FR2432995B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/48—Halides, with or without other cations besides aluminium
    • C01F7/50—Fluorides
    • C01F7/54—Double compounds containing both aluminium and alkali metals or alkaline-earth metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Electrolytic Production Of Metals (AREA)
FR7919687A 1978-08-08 1979-07-31 Procede de preparation de cryolithe de grande purete a partir d'une solution de fluorure contenant de la silice dissoute et produit ainsi obtenu Granted FR2432995A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9580478A JPS5523060A (en) 1978-08-08 1978-08-08 Production of high purity cryolite
JP8150979A JPS569220A (en) 1979-06-29 1979-06-29 Manufacture of cryolite

Publications (2)

Publication Number Publication Date
FR2432995A1 FR2432995A1 (fr) 1980-03-07
FR2432995B1 true FR2432995B1 (fr) 1983-12-09

Family

ID=26422529

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7919687A Granted FR2432995A1 (fr) 1978-08-08 1979-07-31 Procede de preparation de cryolithe de grande purete a partir d'une solution de fluorure contenant de la silice dissoute et produit ainsi obtenu

Country Status (5)

Country Link
US (1) US4251501A (fr)
DE (1) DE2932058C2 (fr)
FR (1) FR2432995A1 (fr)
GB (1) GB2028292B (fr)
MA (1) MA18560A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5045300A (en) * 1990-10-23 1991-09-03 Ethyl Corporation Preparation of complex aluminum fluorides

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1871723A (en) * 1929-05-29 1932-08-16 Aluminum Co Of America Process for the recovery of cryolite
US2196077A (en) * 1937-06-25 1940-04-02 Aluminum Co Of America Method of producing sodium aluminum fluoride
US2994582A (en) * 1956-07-16 1961-08-01 Kaiser Aluminium Chem Corp Production of cryolite
US3094381A (en) * 1958-03-21 1963-06-18 United Technical Ind Inc Production of ammonium fluoride from gaseous compounds of silicon and fluorine
NL6907681A (fr) * 1968-05-27 1969-12-01
US3563699A (en) * 1969-05-28 1971-02-16 Montedison Spa Process for the preparation of very pure cryolite from sodium fluosilicate and ammonia
US3656894A (en) * 1970-05-08 1972-04-18 Central Glass Co Ltd Process for the production of high quality synthetic cryolite
AT302969B (de) * 1970-09-30 1972-11-10 Chemie Linz Ag Verfahren zur gezielten Herstellung von Natriumfluoraluminaten
SU415955A1 (ru) * 1971-12-13 1979-03-05 Иркутский филиал Всесоюзного научно-исследовательского и проектного института алюминиевой, магниевой и электродной промышленности Способ получени криолита
US3816591A (en) * 1972-05-05 1974-06-11 Oesterr Stickstoffwerke Ag Process for the recovery of aluminium and fluorine from a dilute aqueous solution
JPS537158A (en) * 1976-07-09 1978-01-23 Nec Corp Wide band amplifier
US4165264A (en) * 1978-06-14 1979-08-21 Phelps Dodge Corporation Ammonia leaching

Also Published As

Publication number Publication date
MA18560A1 (fr) 1980-04-01
DE2932058A1 (de) 1980-02-14
GB2028292A (en) 1980-03-05
DE2932058C2 (de) 1982-07-29
FR2432995A1 (fr) 1980-03-07
US4251501A (en) 1981-02-17
GB2028292B (en) 1982-09-15

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Legal Events

Date Code Title Description
ST Notification of lapse