DD97637A5 - - Google Patents
Info
- Publication number
- DD97637A5 DD97637A5 DD164763A DD16476372A DD97637A5 DD 97637 A5 DD97637 A5 DD 97637A5 DD 164763 A DD164763 A DD 164763A DD 16476372 A DD16476372 A DD 16476372A DD 97637 A5 DD97637 A5 DD 97637A5
- Authority
- DD
- German Democratic Republic
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
- C01F11/46—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/19—Fluorine; Hydrogen fluoride
- C01B7/191—Hydrogen fluoride
- C01B7/192—Preparation from fluorspar
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Glass Compositions (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2138015A DE2138015A1 (de) | 1971-07-29 | 1971-07-29 | Verfahren zur herstellung von fluorwasserstoff und metallsulfaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD97637A5 true DD97637A5 (it) | 1973-05-12 |
Family
ID=5815218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD164763A DD97637A5 (it) | 1971-07-29 | 1972-07-27 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3825655A (it) |
| AU (1) | AU460198B2 (it) |
| BE (1) | BE786915A (it) |
| CA (1) | CA974029A (it) |
| DD (1) | DD97637A5 (it) |
| DE (1) | DE2138015A1 (it) |
| ES (1) | ES405293A1 (it) |
| FR (1) | FR2147319A1 (it) |
| GB (1) | GB1394133A (it) |
| IT (1) | IT968284B (it) |
| NL (1) | NL7210463A (it) |
| ZA (1) | ZA725225B (it) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2330728B2 (de) * | 1973-06-16 | 1977-08-11 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung eines synthetischen anhydrits einheitlicher qualitaet und dessen verwendung |
| DE2435512A1 (de) * | 1974-07-24 | 1976-02-05 | Bayer Ag | Verfahren zur herstellung von fluorwasserstoff und calciumsulfat |
| US4132765A (en) * | 1975-06-26 | 1979-01-02 | E. I. Du Pont De Nemours And Company | Recovery of fluoride values |
| US4233281A (en) * | 1978-06-09 | 1980-11-11 | Occidental Chemical Company | Recovery of hydrogen fluoride from metallic fluoride salts |
| JPS56500926A (it) * | 1979-07-06 | 1981-07-09 | ||
| US4402922A (en) * | 1981-12-14 | 1983-09-06 | United States Gypsum Company | Process for rapid conversion of fluoroanhydrite to gypsum |
| US4491571A (en) * | 1982-06-11 | 1985-01-01 | Asahi Glass Company Ltd. | Process for producing hydrogen fluoride |
| US4743271A (en) * | 1983-02-17 | 1988-05-10 | Williams Technologies, Inc. | Process for producing a clean hydrocarbon fuel |
| US4695290A (en) * | 1983-07-26 | 1987-09-22 | Integrated Carbons Corporation | Integrated coal cleaning process with mixed acid regeneration |
| US4477425A (en) * | 1983-12-15 | 1984-10-16 | Florida Progress Corporation | Production of anhydrous hydrogen fluoride from low-grade metallic fluorides and sulfuric acid |
| US4753033A (en) * | 1985-03-24 | 1988-06-28 | Williams Technologies, Inc. | Process for producing a clean hydrocarbon fuel from high calcium coal |
| US5531975A (en) * | 1990-12-31 | 1996-07-02 | Phosphate Engineering And Construction Co., Inc. | Process for the production of phosphoric acid and calcium fluoride |
| US5180569A (en) * | 1990-12-31 | 1993-01-19 | Phosphate Engineering And Construction Company | Process for the production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid |
| 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 |
| KR20110008251A (ko) * | 2008-04-22 | 2011-01-26 | 솔베이 플루오르 게엠베하 | 형석 또는 불화칼슘-함유 폐물질로부터의 불화수소 제조 |
| JP5428594B2 (ja) | 2009-07-06 | 2014-02-26 | ダイキン工業株式会社 | フッ化水素の製造方法 |
| CN101920980B (zh) * | 2010-05-18 | 2012-01-25 | 中萤集团有限公司 | 生产无水氟化氢、干法氟化铝的能源综合利用系统及其方法 |
| CN101913565B (zh) * | 2010-08-12 | 2013-01-23 | 衢州市鼎盛化工科技有限公司 | 一种以萤石粉和硫酸生产氟化氢的方法 |
| CN103350985B (zh) * | 2013-07-09 | 2015-08-12 | 安徽锦洋氟化学有限公司 | 一种无水氟化氢生产方法 |
| CN103350984B (zh) * | 2013-07-09 | 2015-08-12 | 安徽锦洋氟化学有限公司 | 一种无水氟化氢生产设备 |
| EP3168189B1 (en) | 2014-07-11 | 2022-06-08 | Daikin Industries, Ltd. | Method for producing hydrogen fluoride |
| CN112274986B (zh) * | 2020-10-14 | 2022-06-17 | 太仓中化环保化工有限公司 | 一种氢氟酸有机物料回收装置 |
-
0
- BE BE786915D patent/BE786915A/xx unknown
-
1971
- 1971-07-29 DE DE2138015A patent/DE2138015A1/de active Pending
-
1972
- 1972-07-14 US US00271895A patent/US3825655A/en not_active Expired - Lifetime
- 1972-07-24 GB GB3448272A patent/GB1394133A/en not_active Expired
- 1972-07-25 AU AU44951/72A patent/AU460198B2/en not_active Expired
- 1972-07-27 CA CA148,080A patent/CA974029A/en not_active Expired
- 1972-07-27 DD DD164763A patent/DD97637A5/xx unknown
- 1972-07-27 IT IT51796/72A patent/IT968284B/it active
- 1972-07-28 ES ES405293A patent/ES405293A1/es not_active Expired
- 1972-07-28 FR FR7227422A patent/FR2147319A1/fr not_active Withdrawn
- 1972-07-28 ZA ZA725225A patent/ZA725225B/xx unknown
- 1972-07-28 NL NL7210463A patent/NL7210463A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA725225B (en) | 1973-04-25 |
| GB1394133A (en) | 1975-05-14 |
| AU4495172A (en) | 1974-01-31 |
| BE786915A (fr) | 1973-01-29 |
| DE2138015A1 (de) | 1973-02-08 |
| FR2147319A1 (it) | 1973-03-09 |
| NL7210463A (it) | 1973-01-31 |
| ES405293A1 (es) | 1975-07-01 |
| IT968284B (it) | 1974-03-20 |
| CA974029A (en) | 1975-09-09 |
| US3825655A (en) | 1974-07-23 |
| AU460198B2 (en) | 1975-04-17 |