NL7402049A - - Google Patents

Info

Publication number
NL7402049A
NL7402049A NL7402049A NL7402049A NL7402049A NL 7402049 A NL7402049 A NL 7402049A NL 7402049 A NL7402049 A NL 7402049A NL 7402049 A NL7402049 A NL 7402049A NL 7402049 A NL7402049 A NL 7402049A
Authority
NL
Netherlands
Application number
NL7402049A
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 filed Critical
Publication of NL7402049A publication Critical patent/NL7402049A/xx

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

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)
  • Silicon Compounds (AREA)
  • Paper (AREA)
NL7402049A 1973-02-17 1974-02-14 NL7402049A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2307897A DE2307897C3 (de) 1973-02-17 1973-02-17 Verfahren zur Herstellung von synthetischem Flußspat

Publications (1)

Publication Number Publication Date
NL7402049A true NL7402049A (de) 1974-08-20

Family

ID=5872241

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7402049A NL7402049A (de) 1973-02-17 1974-02-14

Country Status (13)

Country Link
US (1) US3907978A (de)
JP (1) JPS537156B2 (de)
BE (1) BE811072A (de)
BR (1) BR7401140D0 (de)
CA (1) CA1017125A (de)
DE (1) DE2307897C3 (de)
ES (1) ES423325A1 (de)
FR (1) FR2218288B1 (de)
GB (1) GB1420568A (de)
IE (1) IE38895B1 (de)
IT (1) IT1008236B (de)
NL (1) NL7402049A (de)
SU (1) SU664554A3 (de)

Families Citing this family (14)

* 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
DE2533128A1 (de) * 1975-07-24 1977-02-10 Bayer Ag Verfahren zur herstellung von synthetischem flusspat
DE2535658C2 (de) * 1975-08-09 1984-04-05 Kali-Chemie Ag, 3000 Hannover Verfahren zur Herstellung von Calciumfluorid
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
DE69103339T2 (de) * 1990-06-01 1995-03-16 Asahi Glass Co Ltd Verfahren zur Herstellung von Fluorwasserstoffsäure.
US5910297A (en) * 1997-07-31 1999-06-08 E. I. Du Pont De Nemours And Company Alkaline earth fluoride manufacturing process
US6428764B1 (en) * 1999-05-07 2002-08-06 E. I. Du Pont De Nemours And Company Process for the production of calcium fluoride
US20100143236A1 (en) * 2007-02-02 2010-06-10 Solvay Fluor Gmbh Preparation of hydrogen fluoride from calcium fluoride and sulfuric acid
RU2465206C1 (ru) * 2011-02-25 2012-10-27 Владимир Александрович Ольшанский 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
RU2720313C2 (ru) * 2015-04-22 2020-04-28 ОуСиПи СА Способ получения фторида кальция из фторкремниевой кислоты
PL237454B1 (pl) * 2016-06-14 2021-04-19 Chelstowski Janusz Projekty Dla Srodowiska Topnik fluorkowy oraz sposób jego otrzymywania
CN106186024B (zh) * 2016-07-11 2017-10-31 昆明道尔森科技有限公司 一种工业副产氟硅酸的利用方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780523A (en) * 1954-03-22 1957-02-05 Int Minerals & Chem Corp Process for recovering solid calcium fluoride containing product and colloidal silica solution from a weak aqueous fluosilicic acid solution
US2780521A (en) * 1954-03-22 1957-02-05 Int Minerals & Chem Corp Process for producing colloidal silicafree calcium fluoride
DE1667500A1 (de) * 1967-08-12 1971-06-16 Bayer Ag Verfahren zur Verwertung von Fluorokieselsaeure
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
JPS49114595A (de) 1974-11-01
FR2218288B1 (de) 1979-10-19
IT1008236B (it) 1976-11-10
DE2307897C3 (de) 1982-02-18
IE38895B1 (en) 1978-06-21
JPS537156B2 (de) 1978-03-15
US3907978A (en) 1975-09-23
FR2218288A1 (de) 1974-09-13
CA1017125A (en) 1977-09-13
IE38895L (en) 1974-08-17
BR7401140D0 (pt) 1974-11-05
SU664554A3 (ru) 1979-05-25
ES423325A1 (es) 1976-04-16
DE2307897B2 (de) 1981-04-02
GB1420568A (en) 1976-01-07
BE811072A (fr) 1974-08-16
DE2307897A1 (de) 1974-08-22

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed