FR2318825A1 - Procede de preparation d'un spath-fluor synthetique a faible teneur en silice. - Google Patents
Procede de preparation d'un spath-fluor synthetique a faible teneur en silice.Info
- Publication number
- FR2318825A1 FR2318825A1 FR7622570A FR7622570A FR2318825A1 FR 2318825 A1 FR2318825 A1 FR 2318825A1 FR 7622570 A FR7622570 A FR 7622570A FR 7622570 A FR7622570 A FR 7622570A FR 2318825 A1 FR2318825 A1 FR 2318825A1
- Authority
- FR
- France
- Prior art keywords
- spath
- fluor
- synthetic
- preparing
- silica content
- 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.)
- Withdrawn
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title 2
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000000377 silicon dioxide Substances 0.000 title 1
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)
- Silicon Compounds (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Removal Of Specific Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752533128 DE2533128A1 (de) | 1975-07-24 | 1975-07-24 | Verfahren zur herstellung von synthetischem flusspat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2318825A1 true FR2318825A1 (fr) | 1977-02-18 |
Family
ID=5952377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7622570A Withdrawn FR2318825A1 (fr) | 1975-07-24 | 1976-07-23 | Procede de preparation d'un spath-fluor synthetique a faible teneur en silice. |
Country Status (12)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2225839C1 (ru) * | 2002-09-19 | 2004-03-20 | Открытое акционерное общество "Кирово-Чепецкий химический комбинат им. Б.П.Константинова" | Способ получения фторида кальция |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT375627B (de) * | 1980-04-30 | 1984-08-27 | Voest Alpine Ag | Verfahren zur aufarbeitung von beim nassaufschluss von phosphaten anfallender kieselfluorwasserstoffsaeure sowie einrichtung zur durchfuehrung des verfahrens |
| 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 |
| 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 |
| CN111533152A (zh) * | 2020-06-22 | 2020-08-14 | 井冈山大学 | 一种氟硅酸与碳酸钙快速反应制备高纯萤石的方法 |
Citations (3)
| 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 |
| FR2266662A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-04-03 | 1975-10-31 | Occidental Petroleum Corp |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1091795A (en) * | 1913-06-06 | 1914-03-31 | Moritz Eyssell | Process of purifying fluorspar. |
| US3551332A (en) * | 1969-06-16 | 1970-12-29 | Int Minerals & Chem Corp | Purification of fluorine-containing industrial waste waters |
| DE2307897C3 (de) * | 1973-02-17 | 1982-02-18 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von synthetischem Flußspat |
-
1975
- 1975-07-24 DE DE19752533128 patent/DE2533128A1/de not_active Withdrawn
-
1976
- 1976-06-15 IN IN1046/CAL/76A patent/IN145455B/en unknown
- 1976-07-07 EG EG412/76A patent/EG12045A/xx active
- 1976-07-10 RO RO7686931A patent/RO72701A/ro unknown
- 1976-07-12 US US05/704,252 patent/US4148867A/en not_active Expired - Lifetime
- 1976-07-19 AU AU16004/76A patent/AU1600476A/en not_active Expired
- 1976-07-20 GB GB30118/76A patent/GB1491648A/en not_active Expired
- 1976-07-22 DD DD7600194013A patent/DD132259A5/xx unknown
- 1976-07-23 BE BE2055203A patent/BE844432A/xx unknown
- 1976-07-23 ZA ZA764425A patent/ZA764425B/xx unknown
- 1976-07-23 FR FR7622570A patent/FR2318825A1/fr not_active Withdrawn
- 1976-07-23 ES ES450094A patent/ES450094A1/es not_active Expired
Patent Citations (3)
| 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 |
| FR2266662A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-04-03 | 1975-10-31 | Occidental Petroleum Corp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2225839C1 (ru) * | 2002-09-19 | 2004-03-20 | Открытое акционерное общество "Кирово-Чепецкий химический комбинат им. Б.П.Константинова" | Способ получения фторида кальция |
Also Published As
| Publication number | Publication date |
|---|---|
| EG12045A (en) | 1978-09-30 |
| AU1600476A (en) | 1978-01-26 |
| IN145455B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-10-14 |
| GB1491648A (en) | 1977-11-09 |
| RO72701A (ro) | 1981-03-30 |
| US4148867A (en) | 1979-04-10 |
| BE844432A (fr) | 1977-01-24 |
| DD132259A5 (de) | 1978-09-13 |
| ES450094A1 (es) | 1977-07-16 |
| ZA764425B (en) | 1977-07-27 |
| DE2533128A1 (de) | 1977-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |