FR2279664B1 - - Google Patents
Info
- Publication number
- FR2279664B1 FR2279664B1 FR7523204A FR7523204A FR2279664B1 FR 2279664 B1 FR2279664 B1 FR 2279664B1 FR 7523204 A FR7523204 A FR 7523204A FR 7523204 A FR7523204 A FR 7523204A FR 2279664 B1 FR2279664 B1 FR 2279664B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- 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
-
- 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
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)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2435512A DE2435512A1 (de) | 1974-07-24 | 1974-07-24 | Verfahren zur herstellung von fluorwasserstoff und calciumsulfat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2279664A1 FR2279664A1 (fr) | 1976-02-20 |
| FR2279664B1 true FR2279664B1 (US07935154-20110503-C00006.png) | 1979-05-11 |
Family
ID=5921344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7523204A Granted FR2279664A1 (fr) | 1974-07-24 | 1975-07-24 | Production de fluorure d'hydrogene et de sulfate de calcium |
Country Status (12)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH646401A5 (de) * | 1981-04-28 | 1984-11-30 | Buss Ag | Verfahren und einrichtung zur herstellung von synthetischem anhydrit und reiner flusssaeure. |
| DE3372854D1 (en) * | 1982-06-11 | 1987-09-10 | Asahi Glass Co Ltd | Process for producing hydrogen fluoride |
| JPS58217402A (ja) * | 1982-06-11 | 1983-12-17 | Asahi Glass Co Ltd | 弗化水素の製造方法 |
| EP0100783A1 (de) * | 1982-08-13 | 1984-02-22 | Heinz List | Verfahren zur Durchführung von endothermen Prozessen |
| FR2564449B1 (fr) * | 1984-05-18 | 1988-06-03 | Atochem | Procede de fabrication d'acide fluorhydrique par reaction de l'acide sulfurique sur le spath fluor dans un four tournant |
| DE3913822A1 (de) * | 1989-04-26 | 1990-10-31 | Vaw Ver Aluminium Werke Ag | Verfahren zur herstellung chloridarmer gipsprodukte |
| DE19823879C1 (de) | 1998-05-28 | 1999-08-19 | Solvay Fluor & Derivate | Flußmittelrecycling |
| DE10031562A1 (de) | 2000-06-28 | 2002-01-10 | Bayer Ag | Verfahren zur Herstellung von Fluorwasserstoff in einem Drehrohrofen |
| MX2009008086A (es) * | 2007-02-02 | 2009-08-12 | Solvay Fluor Gmbh | Preparacion de fluoruro de hidrogeno a partir de fluoruro de calcio y acido sulfurico. |
| EP2268573A1 (en) * | 2008-04-22 | 2011-01-05 | Solvay Fluor GmbH | Preparation of hydrogen fluoride from fluorspar or calcium fluoride containing waste material |
| 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 |
| CN108609586B (zh) * | 2018-08-08 | 2021-11-02 | 宣城亨泰电子化学材料有限公司 | 一种试剂级氢氟酸制作装置 |
| CN112062091A (zh) * | 2020-09-18 | 2020-12-11 | 宣城亨泰电子化学材料有限公司 | 一种无水氟化氢生产设备及其生产工艺 |
| CN112142009A (zh) * | 2020-09-22 | 2020-12-29 | 宜章弘源化工有限责任公司 | 无水氟化氢生产方法及其设备 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR85022E (fr) * | 1963-01-30 | 1965-05-28 | Electrochimie Soc | Perfectionnements aux procédés d'obtention d'acide fluorhydrique |
| US3607121A (en) * | 1969-12-19 | 1971-09-21 | Allied Chem | Rotary furnace having recycle provision |
| BE786915A (fr) * | 1971-07-29 | 1973-01-29 | Bayer Ag | Production d'acide fluorhydrique et de sulfates metalliques |
| US3718736A (en) * | 1971-09-20 | 1973-02-27 | Allied Chem | Process for the manufacture of hydrogen fluoride |
-
1974
- 1974-07-24 DE DE2435512A patent/DE2435512A1/de not_active Withdrawn
-
1975
- 1975-06-27 IN IN1277/CAL/1975A patent/IN143502B/en unknown
- 1975-07-15 US US05/596,050 patent/US4010245A/en not_active Expired - Lifetime
- 1975-07-21 GB GB30386/75A patent/GB1521511A/en not_active Expired
- 1975-07-22 BE BE158478A patent/BE831585A/xx unknown
- 1975-07-22 JP JP50088918A patent/JPS5135694A/ja active Pending
- 1975-07-22 NL NL7508761A patent/NL7508761A/xx unknown
- 1975-07-22 AU AU83282/75A patent/AU8328275A/en not_active Expired
- 1975-07-23 ES ES439669A patent/ES439669A1/es not_active Expired
- 1975-07-23 ZA ZA00754750A patent/ZA754750B/xx unknown
- 1975-07-24 FR FR7523204A patent/FR2279664A1/fr active Granted
- 1975-07-24 BR BR7504721*A patent/BR7504721A/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE831585A (fr) | 1976-01-22 |
| ES439669A1 (es) | 1977-03-16 |
| DE2435512A1 (de) | 1976-02-05 |
| NL7508761A (nl) | 1976-01-27 |
| FR2279664A1 (fr) | 1976-02-20 |
| IN143502B (US07935154-20110503-C00006.png) | 1977-12-10 |
| GB1521511A (en) | 1978-08-16 |
| ZA754750B (en) | 1976-06-30 |
| US4010245A (en) | 1977-03-01 |
| JPS5135694A (en) | 1976-03-26 |
| AU8328275A (en) | 1977-01-27 |
| BR7504721A (pt) | 1976-07-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |