SU396871A1 - - Google Patents
Info
- Publication number
- SU396871A1 SU396871A1 SU1491471A SU1491471A SU396871A1 SU 396871 A1 SU396871 A1 SU 396871A1 SU 1491471 A SU1491471 A SU 1491471A SU 1491471 A SU1491471 A SU 1491471A SU 396871 A1 SU396871 A1 SU 396871A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- fluorspar
- decomposition
- mol
- sulphate
- furnace
- Prior art date
Links
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 14
- 235000011132 calcium sulphate Nutrition 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 239000010436 fluorite Substances 0.000 description 5
- 239000001175 calcium sulphate Substances 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical class [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- 240000006909 Tilia x europaea Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MX11525169 | 1969-11-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SU396871A1 true SU396871A1 (https=) | |
| SU396871A3 SU396871A3 (https=) | 1973-08-29 |
Family
ID=19745288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1491471A SU396871A3 (https=) | 1969-11-11 | 1970-11-11 |
Country Status (8)
| Country | Link |
|---|---|
| CA (1) | CA946125A (https=) |
| DE (1) | DE2048277C3 (https=) |
| ES (1) | ES382184A1 (https=) |
| FR (1) | FR2069238A5 (https=) |
| GB (1) | GB1304781A (https=) |
| NL (1) | NL7014949A (https=) |
| SU (1) | SU396871A3 (https=) |
| ZA (1) | ZA707456B (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| DE69103339T2 (de) * | 1990-06-01 | 1995-03-16 | Asahi Glass Co Ltd | Verfahren zur Herstellung von Fluorwasserstoffsäure. |
| WO2008092926A1 (en) * | 2007-02-02 | 2008-08-07 | Solvay Fluor Gmbh | Preparation of hydrogen fluoride from calcium fluoride and sulfuric acid |
| RU2453495C1 (ru) * | 2010-12-03 | 2012-06-20 | Государственное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский политехнический университет" | Способ получения фтороводорода |
-
1970
- 1970-07-01 GB GB3195470A patent/GB1304781A/en not_active Expired
- 1970-07-27 ES ES382184A patent/ES382184A1/es not_active Expired
- 1970-10-01 DE DE2048277A patent/DE2048277C3/de not_active Expired
- 1970-10-12 NL NL7014949A patent/NL7014949A/xx not_active Application Discontinuation
- 1970-10-22 CA CA096,289A patent/CA946125A/en not_active Expired
- 1970-11-03 ZA ZA707456A patent/ZA707456B/xx unknown
- 1970-11-10 FR FR7040408A patent/FR2069238A5/fr not_active Expired
- 1970-11-11 SU SU1491471A patent/SU396871A3/ru active
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