FR2261228B1 - - Google Patents

Info

Publication number
FR2261228B1
FR2261228B1 FR7504550A FR7504550A FR2261228B1 FR 2261228 B1 FR2261228 B1 FR 2261228B1 FR 7504550 A FR7504550 A FR 7504550A FR 7504550 A FR7504550 A FR 7504550A FR 2261228 B1 FR2261228 B1 FR 2261228B1
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
FR7504550A
Other versions
FR2261228A1 (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.)
Kali Chemie AG
Original Assignee
Kali Chemie AG
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 Kali Chemie AG filed Critical Kali Chemie AG
Publication of FR2261228A1 publication Critical patent/FR2261228A1/fr
Application granted granted Critical
Publication of FR2261228B1 publication Critical patent/FR2261228B1/fr
Expired 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
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/20—Halides
    • C01F11/22—Fluorides
    • 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
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/141—Preparation of hydrosols or aqueous dispersions
    • 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
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/152—Preparation of hydrogels
    • C01B33/1525—Preparation of hydrogels from or via fluosilicic acid or salts thereof
    • 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
    • C01B33/22—Magnesium silicates
    • 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
    • C01B33/24—Alkaline-earth metal silicates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Silicon Compounds (AREA)
FR7504550A 1974-02-15 1975-02-13 Expired FR2261228B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2407238A DE2407238C3 (de) 1974-02-15 1974-02-15 Verfahren zur Herstellung von Calciumfluorid aus Hexafluorokieselsäure

Publications (2)

Publication Number Publication Date
FR2261228A1 FR2261228A1 (fr) 1975-09-12
FR2261228B1 true FR2261228B1 (fr) 1979-08-03

Family

ID=5907486

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7504550A Expired FR2261228B1 (fr) 1974-02-15 1975-02-13

Country Status (23)

Country Link
US (1) US4031193A (fr)
JP (1) JPS50118991A (fr)
AR (1) AR201809A1 (fr)
AT (1) AT348487B (fr)
BE (1) BE825331A (fr)
BR (1) BR7500809A (fr)
CS (1) CS189686B2 (fr)
DD (1) DD116211A5 (fr)
DE (1) DE2407238C3 (fr)
DK (1) DK54175A (fr)
ES (1) ES434461A1 (fr)
FR (1) FR2261228B1 (fr)
GB (1) GB1467537A (fr)
HU (1) HU170712B (fr)
IL (1) IL46623A (fr)
IN (1) IN143138B (fr)
IT (1) IT1031670B (fr)
NL (1) NL7500265A (fr)
RO (1) RO65917A (fr)
SE (1) SE400271B (fr)
SU (1) SU585807A3 (fr)
TR (1) TR18300A (fr)
ZA (1) ZA75852B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4078043A (en) * 1974-02-15 1978-03-07 Kali-Chemie Aktiengesellschaft Process for preparing calcium fluoride from hexafluoro silicic acid and production of silicic acid gel or active silicic acid from said calcium fluoride
US4264563A (en) * 1979-04-12 1981-04-28 Occidental Research Corp. Preparation of calcium fluoride from fluosilicic acid solutions
DE3626448A1 (de) * 1986-08-05 1988-02-11 Hoechst Ag Verfahren zur aufarbeitung von waessrigen kieselfluorwasserstoffsaeureloesungen
US5910297A (en) * 1997-07-31 1999-06-08 E. I. Du Pont De Nemours And Company Alkaline earth fluoride manufacturing process
JP2002226206A (ja) * 2001-01-29 2002-08-14 Asahi Glass Co Ltd フッ化水素の製造方法
RU2465206C1 (ru) * 2011-02-25 2012-10-27 Владимир Александрович Ольшанский Способ получения синтетического флюорита
RU2472705C1 (ru) * 2011-06-21 2013-01-20 Открытое акционерное общество "Сибирский химический комбинат" Способ получения синтетического флюорита
JP6024910B2 (ja) * 2013-03-08 2016-11-16 三菱マテリアル株式会社 フッ化カルシウムの回収方法とその回収設備
MA39797A (fr) * 2014-04-04 2017-02-08 Fluorsid S P A Fluorite synthétique de haute pureté et son processus de préparation
EP3286138B1 (fr) 2015-04-22 2019-04-10 Ocp Sa Processus de preparation du fluorure de calcium a partir de l'acide fluosilicique
WO2021079368A1 (fr) 2019-10-24 2021-04-29 IMI Tami Institute for Research and Development ltd Nouveau fondant/minéralisant pour la clinkérisation de ciment et procédé de fabrication associé

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2410043A (en) * 1945-01-04 1946-10-29 Nasa Process for manufacturing calcium fluoride
US2914474A (en) * 1954-07-29 1959-11-24 Phillips Petroleum Co Removal of fluorides from industrial waste waters
US3551332A (en) * 1969-06-16 1970-12-29 Int Minerals & Chem Corp Purification of fluorine-containing industrial waste waters

Also Published As

Publication number Publication date
SE7501618L (fr) 1975-08-18
NL7500265A (nl) 1975-08-19
SU585807A3 (ru) 1977-12-25
CS189686B2 (en) 1979-04-30
DK54175A (fr) 1975-10-06
DE2407238A1 (de) 1975-08-28
IL46623A (en) 1977-11-30
IT1031670B (it) 1979-05-10
BR7500809A (pt) 1975-11-25
GB1467537A (en) 1977-03-16
ZA75852B (en) 1976-01-28
SE400271B (sv) 1978-03-20
JPS50118991A (fr) 1975-09-18
TR18300A (tr) 1976-12-28
ATA110875A (de) 1978-07-15
HU170712B (fr) 1977-08-28
ES434461A1 (es) 1976-12-16
AT348487B (de) 1979-02-26
DE2407238B2 (de) 1978-11-02
IN143138B (fr) 1977-10-08
FR2261228A1 (fr) 1975-09-12
US4031193A (en) 1977-06-21
DE2407238C3 (de) 1979-06-28
IL46623A0 (en) 1975-04-25
BE825331A (fr) 1975-05-29
RO65917A (fr) 1980-06-15
AU7803575A (en) 1976-08-12
AR201809A1 (es) 1975-04-15
DD116211A5 (fr) 1975-11-12

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Legal Events

Date Code Title Description
ST Notification of lapse