BR7401140D0 - Processo para a producao, de fluoreto de calcio sintetico - Google Patents

Processo para a producao, de fluoreto de calcio sintetico

Info

Publication number
BR7401140D0
BR7401140D0 BR1140/74A BR114074A BR7401140D0 BR 7401140 D0 BR7401140 D0 BR 7401140D0 BR 1140/74 A BR1140/74 A BR 1140/74A BR 114074 A BR114074 A BR 114074A BR 7401140 D0 BR7401140 D0 BR 7401140D0
Authority
BR
Brazil
Prior art keywords
production
calcium fluoride
synthetic calcium
synthetic
fluoride
Prior art date
Application number
BR1140/74A
Other languages
English (en)
Portuguese (pt)
Inventor
B Spreckelmeyer
Original Assignee
Bayer 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 Bayer Ag filed Critical Bayer Ag
Publication of BR7401140D0 publication Critical patent/BR7401140D0/pt

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)
BR1140/74A 1973-02-17 1974-02-15 Processo para a producao, de fluoreto de calcio sintetico BR7401140D0 (pt)

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
BR7401140D0 true BR7401140D0 (pt) 1974-11-05

Family

ID=5872241

Family Applications (1)

Application Number Title Priority Date Filing Date
BR1140/74A BR7401140D0 (pt) 1973-02-17 1974-02-15 Processo para a producao, de fluoreto de calcio sintetico

Country Status (13)

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

Families Citing this family (17)

* 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
US4171342A (en) 1974-04-03 1979-10-16 Occidental Chemical Company Recovery of calcium fluoride from phosphate operation waste water
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
EP0460524B1 (en) * 1990-06-01 1994-08-10 Asahi Glass Company Ltd. Process for preparing hydrogen fluoride
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
RU2225839C1 (ru) * 2002-09-19 2004-03-20 Открытое акционерное общество "Кирово-Чепецкий химический комбинат им. Б.П.Константинова" Способ получения фторида кальция
RU2388694C2 (ru) * 2006-01-05 2010-05-10 Валерий Николаевич Степаненко Способ получения фторида кальция и устройство для его осуществления
CN101600649A (zh) * 2007-02-02 2009-12-09 苏威氟有限公司 由氟化钙和硫酸制备氟化氢
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
US11873229B2 (en) 2015-04-22 2024-01-16 Ocp Sa Process for preparing calcium fluoride from fluosilicic acid
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
GB1420568A (en) 1976-01-07
SU664554A3 (ru) 1979-05-25
NL7402049A (enExample) 1974-08-20
BE811072A (fr) 1974-08-16
JPS537156B2 (enExample) 1978-03-15
IE38895B1 (en) 1978-06-21
ES423325A1 (es) 1976-04-16
FR2218288B1 (enExample) 1979-10-19
CA1017125A (en) 1977-09-13
DE2307897B2 (de) 1981-04-02
US3907978A (en) 1975-09-23
FR2218288A1 (enExample) 1974-09-13
DE2307897C3 (de) 1982-02-18
IT1008236B (it) 1976-11-10
IE38895L (en) 1974-08-17
DE2307897A1 (de) 1974-08-22
JPS49114595A (enExample) 1974-11-01

Similar Documents

Publication Publication Date Title
BR7410628D0 (pt) Processo para a fabricacao de substancias espumosas
BR7301686D0 (pt) Processo para a producao de um tetrapolimero
BR7401140D0 (pt) Processo para a producao, de fluoreto de calcio sintetico
BR7402525D0 (pt) Processo para a fabricacao de compostos de polieno
BR7403485D0 (pt) Processo continuo para a producao de dissulfeto de carbon
BR7404114D0 (pt) Processo para a fabricacao de compostos de fluorano
BR7400855D0 (pt) Processo para a producao de couro artificial
BR7402784D0 (pt) Processo para a preparacao de 3-metilmercaptopropionaldeido
BR7503729A (pt) Processo para a producao de isocianatos
BR7405079D0 (pt) Processo para a fabricacao de 2,2,6,6-tetrametil-4-oxopiperidina
BR7409871A (pt) Processo para producao de hipoclorito de calcio
BR7508170A (pt) Processo para a producao de carbonil-aldimino-metano-fosfanatos
BR7407936D0 (pt) Processo continuo para a producao de etilbenzeno
BR7403569D0 (pt) Processo para a fabricacao de solucao de xilose
BR7307988D0 (pt) Processo para a producao de uma ftalonitrila clorada
BR7409965A (pt) Processo para a preparacao de polimeros clorados
BR7401074D0 (pt) Processo para a fabricacao de cloropirimidinas
BR7405092D0 (pt) Processo para producao de nitroftalimidas n-substituidas
BR7405112D0 (pt) Processo para producao de polieter-imidas
BR7500436A (pt) Processo para a producao de n n-dialildicloroacetamida
BR7502633A (pt) Processo para a producao de compostos de oxirana substituida
BR7404834D0 (pt) Processo para a fabricacao de 5-oxohcxanonitrila
BR7410249A (pt) Processo para a producao de novos compostos e compostos assim obtidos
BR7402872D0 (pt) Processo para a producao de desinfetantes
BR7507640A (pt) Processo aperfeicoado para a producao de dinitrilas a partir de tiodinitrilas