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- Withdrawn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
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FR7622570A Withdrawn FR2318825A1 (fr) | 1975-07-24 | 1976-07-23 | Procede de preparation d'un spath-fluor synthetique a faible teneur en silice.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)
Country | Link |
---|---|
US (1) | US4148867A (fr) |
AU (1) | AU1600476A (fr) |
BE (1) | BE844432A (fr) |
DD (1) | DD132259A5 (fr) |
DE (1) | DE2533128A1 (fr) |
EG (1) | EG12045A (fr) |
ES (1) | ES450094A1 (fr) |
FR (1) | FR2318825A1 (fr) |
GB (1) | GB1491648A (fr) |
IN (1) | IN145455B (fr) |
RO (1) | RO72701A (fr) |
ZA (1) | ZA764425B (fr) |
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 |
---|---|---|---|---|
US2780521A (en) * | 1954-03-22 | 1957-02-05 | Int Minerals & Chem Corp | Process for producing colloidal silicafree calcium fluoride |
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 |
FR2266662A1 (fr) * | 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/fr 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/fr unknown
- 1976-07-23 ES ES450094A patent/ES450094A1/es not_active Expired
- 1976-07-23 FR FR7622570A patent/FR2318825A1/fr not_active Withdrawn
- 1976-07-23 ZA ZA764425A patent/ZA764425B/xx unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2780521A (en) * | 1954-03-22 | 1957-02-05 | Int Minerals & Chem Corp | Process for producing colloidal silicafree calcium fluoride |
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 |
FR2266662A1 (fr) * | 1974-04-03 | 1975-10-31 | Occidental Petroleum Corp |
Also Published As
Publication number | Publication date |
---|---|
ZA764425B (en) | 1977-07-27 |
US4148867A (en) | 1979-04-10 |
AU1600476A (en) | 1978-01-26 |
IN145455B (fr) | 1978-10-14 |
ES450094A1 (es) | 1977-07-16 |
RO72701A (fr) | 1981-03-30 |
GB1491648A (en) | 1977-11-09 |
DE2533128A1 (de) | 1977-02-10 |
DD132259A5 (de) | 1978-09-13 |
EG12045A (en) | 1978-09-30 |
BE844432A (fr) | 1977-01-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |