RO72701A - Procedeu pentru prepararea fluorinei sintetice - Google Patents
Procedeu pentru prepararea fluorinei sinteticeInfo
- Publication number
- RO72701A RO72701A RO7686931A RO8693176A RO72701A RO 72701 A RO72701 A RO 72701A RO 7686931 A RO7686931 A RO 7686931A RO 8693176 A RO8693176 A RO 8693176A RO 72701 A RO72701 A RO 72701A
- Authority
- RO
- Romania
- Prior art keywords
- preparation
- synthetic fluorine
- fluorine
- synthetic
- 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)
- 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 |
---|---|
RO72701A true RO72701A (ro) | 1981-03-30 |
Family
ID=5952377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO7686931A RO72701A (ro) | 1975-07-24 | 1976-07-10 | Procedeu pentru prepararea fluorinei sintetice |
Country Status (12)
Country | Link |
---|---|
US (1) | US4148867A (ro) |
AU (1) | AU1600476A (ro) |
BE (1) | BE844432A (ro) |
DD (1) | DD132259A5 (ro) |
DE (1) | DE2533128A1 (ro) |
EG (1) | EG12045A (ro) |
ES (1) | ES450094A1 (ro) |
FR (1) | FR2318825A1 (ro) |
GB (1) | GB1491648A (ro) |
IN (1) | IN145455B (ro) |
RO (1) | RO72701A (ro) |
ZA (1) | ZA764425B (ro) |
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 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1091795A (en) * | 1913-06-06 | 1914-03-31 | Moritz Eyssell | Process of purifying fluorspar. |
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 |
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 |
CA1045258A (en) * | 1974-04-03 | 1978-12-26 | Ronald J. Hirko | Recovery of fluorine and phosphate values from waste water |
-
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 FR FR7622570A patent/FR2318825A1/fr not_active Withdrawn
- 1976-07-23 ZA ZA764425A patent/ZA764425B/xx unknown
- 1976-07-23 BE BE2055203A patent/BE844432A/xx unknown
- 1976-07-23 ES ES450094A patent/ES450094A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EG12045A (en) | 1978-09-30 |
ZA764425B (en) | 1977-07-27 |
FR2318825A1 (fr) | 1977-02-18 |
DD132259A5 (de) | 1978-09-13 |
AU1600476A (en) | 1978-01-26 |
IN145455B (ro) | 1978-10-14 |
DE2533128A1 (de) | 1977-02-10 |
BE844432A (fr) | 1977-01-24 |
US4148867A (en) | 1979-04-10 |
GB1491648A (en) | 1977-11-09 |
ES450094A1 (es) | 1977-07-16 |
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