DE1269107B - Verfahren zur Herstellung von Fluorwasserstoffsaeure - Google Patents
Verfahren zur Herstellung von FluorwasserstoffsaeureInfo
- Publication number
- DE1269107B DE1269107B DEP1269A DE1269107A DE1269107B DE 1269107 B DE1269107 B DE 1269107B DE P1269 A DEP1269 A DE P1269A DE 1269107 A DE1269107 A DE 1269107A DE 1269107 B DE1269107 B DE 1269107B
- Authority
- DE
- Germany
- Prior art keywords
- reaction
- fluorspar
- calcium sulfate
- sulfuric acid
- furnace
- 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- Withdrawn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
- 238000000034 method Methods 0.000 title claims description 23
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 title claims description 19
- 230000008569 process Effects 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 42
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 40
- 238000006243 chemical reaction Methods 0.000 claims description 39
- 239000010436 fluorite Substances 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 3
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 3
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims description 3
- 235000011132 calcium sulphate Nutrition 0.000 description 15
- 229940095672 calcium sulfate Drugs 0.000 description 14
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 239000010440 gypsum Substances 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000011507 gypsum plaster Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229940095564 anhydrous calcium sulfate Drugs 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000001175 calcium sulphate Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR923109A FR1356982A (fr) | 1963-01-30 | 1963-01-30 | Perfectionnements aux procédés d'obtention d'acide fluorhydrique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1269107B true DE1269107B (de) | 1968-05-30 |
Family
ID=8795874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEP1269A Withdrawn DE1269107B (de) | 1963-01-30 | 1964-01-24 | Verfahren zur Herstellung von Fluorwasserstoffsaeure |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3300279A (en, 2012) |
| BE (1) | BE642983A (en, 2012) |
| DE (1) | DE1269107B (en, 2012) |
| FR (1) | FR1356982A (en, 2012) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3404953A (en) * | 1964-06-02 | 1968-10-08 | Ici Ltd | Manufacture of hydrogen fluoride |
| US3718736A (en) * | 1971-09-20 | 1973-02-27 | Allied Chem | Process for the manufacture of hydrogen fluoride |
| 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 |
| US4935211A (en) * | 1989-01-23 | 1990-06-19 | Azar David G | Fluorogypsum waste solidification material |
| DE10031562A1 (de) * | 2000-06-28 | 2002-01-10 | Bayer Ag | Verfahren zur Herstellung von Fluorwasserstoff in einem Drehrohrofen |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2018397A (en) * | 1933-08-15 | 1935-10-22 | Du Pont | Anhydrous hydrogen fluoride |
| US2047210A (en) * | 1934-07-18 | 1936-07-14 | Du Pont | Process for producing concentrated hydrofluoric acid |
| CH319931A (de) * | 1953-06-29 | 1957-03-15 | Buss Ag | Verfahren zur kontinuierlichen Herstellung von Flusssäure |
| US3148037A (en) * | 1957-08-09 | 1964-09-08 | George C Szego | Repeating chemical reactor apparatus |
| US3024123A (en) * | 1959-06-03 | 1962-03-06 | Theilacker Helmuth | Process for producing synthetic anhydrite |
-
1963
- 1963-01-30 FR FR923109A patent/FR1356982A/fr not_active Expired
-
1964
- 1964-01-24 DE DEP1269A patent/DE1269107B/de not_active Withdrawn
- 1964-01-27 BE BE642983D patent/BE642983A/xx unknown
- 1964-01-27 US US340149A patent/US3300279A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR1356982A (fr) | 1964-04-03 |
| US3300279A (en) | 1967-01-24 |
| BE642983A (en, 2012) | 1964-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |