BE811072A - Procede de preparation de spath-fluor synthetique - Google Patents
Procede de preparation de spath-fluor synthetiqueInfo
- Publication number
- BE811072A BE811072A BE140943A BE140943A BE811072A BE 811072 A BE811072 A BE 811072A BE 140943 A BE140943 A BE 140943A BE 140943 A BE140943 A BE 140943A BE 811072 A BE811072 A BE 811072A
- Authority
- BE
- Belgium
- Prior art keywords
- spath
- synthetic
- preparation process
- fluor
- fluor preparation
- Prior art date
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)
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 |
---|---|
BE811072A true BE811072A (fr) | 1974-08-16 |
Family
ID=5872241
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE140943A BE811072A (fr) | 1973-02-17 | 1974-02-15 | Procede de preparation de spath-fluor synthetique |
Country Status (13)
Country | Link |
---|---|
US (1) | US3907978A (fr) |
JP (1) | JPS537156B2 (fr) |
BE (1) | BE811072A (fr) |
BR (1) | BR7401140D0 (fr) |
CA (1) | CA1017125A (fr) |
DE (1) | DE2307897C3 (fr) |
ES (1) | ES423325A1 (fr) |
FR (1) | FR2218288B1 (fr) |
GB (1) | GB1420568A (fr) |
IE (1) | IE38895B1 (fr) |
IT (1) | IT1008236B (fr) |
NL (1) | NL7402049A (fr) |
SU (1) | SU664554A3 (fr) |
Families Citing this family (14)
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 |
EP0460524B1 (fr) * | 1990-06-01 | 1994-08-10 | Asahi Glass Company Ltd. | Procédé de préparation d'acide fluorhydrique |
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 |
ATE510796T1 (de) * | 2007-02-02 | 2011-06-15 | Solvay Fluor Gmbh | Herstellung von fluorwasserstoff aus calciumfluorid und schwefelsäure |
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)
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 |
-
1973
- 1973-02-17 DE DE2307897A patent/DE2307897C3/de not_active Expired
-
1974
- 1974-02-11 US US441546A patent/US3907978A/en not_active Expired - Lifetime
- 1974-02-14 NL NL7402049A patent/NL7402049A/xx not_active Application Discontinuation
- 1974-02-15 IE IE00294/74A patent/IE38895B1/xx unknown
- 1974-02-15 IT IT48398/74A patent/IT1008236B/it active
- 1974-02-15 JP JP1771174A patent/JPS537156B2/ja not_active Expired
- 1974-02-15 SU SU741999119A patent/SU664554A3/ru active
- 1974-02-15 BE BE140943A patent/BE811072A/fr unknown
- 1974-02-15 GB GB697274A patent/GB1420568A/en not_active Expired
- 1974-02-15 FR FR7405241A patent/FR2218288B1/fr not_active Expired
- 1974-02-15 BR BR1140/74A patent/BR7401140D0/pt unknown
- 1974-02-15 CA CA192,615A patent/CA1017125A/en not_active Expired
- 1974-02-16 ES ES423325A patent/ES423325A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES423325A1 (es) | 1976-04-16 |
US3907978A (en) | 1975-09-23 |
DE2307897C3 (de) | 1982-02-18 |
GB1420568A (en) | 1976-01-07 |
BR7401140D0 (pt) | 1974-11-05 |
CA1017125A (en) | 1977-09-13 |
FR2218288A1 (fr) | 1974-09-13 |
JPS49114595A (fr) | 1974-11-01 |
FR2218288B1 (fr) | 1979-10-19 |
JPS537156B2 (fr) | 1978-03-15 |
IT1008236B (it) | 1976-11-10 |
NL7402049A (fr) | 1974-08-20 |
DE2307897B2 (de) | 1981-04-02 |
IE38895B1 (en) | 1978-06-21 |
DE2307897A1 (de) | 1974-08-22 |
IE38895L (en) | 1974-08-17 |
SU664554A3 (ru) | 1979-05-25 |
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