ES434461A1 - Procedimiento para la preparacion de fluoruro de calcio a partir de acido hexafluosilicico. - Google Patents

Procedimiento para la preparacion de fluoruro de calcio a partir de acido hexafluosilicico.

Info

Publication number
ES434461A1
ES434461A1 ES434461A ES434461A ES434461A1 ES 434461 A1 ES434461 A1 ES 434461A1 ES 434461 A ES434461 A ES 434461A ES 434461 A ES434461 A ES 434461A ES 434461 A1 ES434461 A1 ES 434461A1
Authority
ES
Spain
Prior art keywords
calcium fluoride
silicic acid
preparing calcium
hexafluoro silicic
hexafluoro
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.)
Expired
Application number
ES434461A
Other languages
English (en)
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 ES434461A1 publication Critical patent/ES434461A1/es
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00Compounds of calcium, strontium, or barium
    • C01F11/20Halides
    • C01F11/22Fluorides
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/141Preparation of hydrosols or aqueous dispersions
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/113Silicon oxides; Hydrates thereof
    • C01B33/12Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/14Colloidal silica, e.g. dispersions, gels, sols
    • C01B33/152Preparation of hydrogels
    • C01B33/1525Preparation of hydrogels from or via fluosilicic acid or salts thereof
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/20Silicates
    • C01B33/22Magnesium silicates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00Silicon; Compounds thereof
    • C01B33/20Silicates
    • C01B33/24Alkaline-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)
ES434461A 1974-02-15 1975-02-05 Procedimiento para la preparacion de fluoruro de calcio a partir de acido hexafluosilicico. Expired ES434461A1 (es)

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 (1)

Publication Number Publication Date
ES434461A1 true ES434461A1 (es) 1976-12-16

Family

ID=5907486

Family Applications (1)

Application Number Title Priority Date Filing Date
ES434461A Expired ES434461A1 (es) 1974-02-15 1975-02-05 Procedimiento para la preparacion de fluoruro de calcio a partir de acido hexafluosilicico.

Country Status (23)

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

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
WO2015150907A2 (en) * 2014-04-04 2015-10-08 Fluorsid S.P.A. High purity synthetic fluorite and process for preparing the same
TN2017000447A1 (en) 2015-04-22 2019-04-12 Ocp Sa Process of preparing of calcium fluoride from fluosilicic acid
WO2021079368A1 (en) 2019-10-24 2021-04-29 IMI Tami Institute for Research and Development ltd Novel flux / mineralizer for cement clinkering and method of manufacture thereof

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
DE2407238A1 (de) 1975-08-28
TR18300A (tr) 1976-12-28
FR2261228A1 (es) 1975-09-12
BR7500809A (pt) 1975-11-25
DD116211A5 (es) 1975-11-12
DK54175A (es) 1975-10-06
US4031193A (en) 1977-06-21
NL7500265A (nl) 1975-08-19
DE2407238C3 (de) 1979-06-28
FR2261228B1 (es) 1979-08-03
AR201809A1 (es) 1975-04-15
HU170712B (es) 1977-08-28
IN143138B (es) 1977-10-08
IL46623A0 (en) 1975-04-25
CS189686B2 (en) 1979-04-30
GB1467537A (en) 1977-03-16
ATA110875A (de) 1978-07-15
RO65917A (ro) 1980-06-15
SE400271B (sv) 1978-03-20
AT348487B (de) 1979-02-26
ZA75852B (en) 1976-01-28
SE7501618L (es) 1975-08-18
BE825331A (fr) 1975-05-29
IT1031670B (it) 1979-05-10
DE2407238B2 (de) 1978-11-02
AU7803575A (en) 1976-08-12
JPS50118991A (es) 1975-09-18
SU585807A3 (ru) 1977-12-25
IL46623A (en) 1977-11-30

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