GB1184585A - A Method for Manufacturing Pure Gypsum. - Google Patents
A Method for Manufacturing Pure Gypsum.Info
- Publication number
- GB1184585A GB1184585A GB2891967A GB2891967A GB1184585A GB 1184585 A GB1184585 A GB 1184585A GB 2891967 A GB2891967 A GB 2891967A GB 2891967 A GB2891967 A GB 2891967A GB 1184585 A GB1184585 A GB 1184585A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dihydrate
- calcium sulphate
- slurry
- hemihydrate
- weight
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 229910052602 gypsum Inorganic materials 0.000 title 1
- 239000010440 gypsum Substances 0.000 title 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 4
- 239000002002 slurry Substances 0.000 abstract 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 3
- 239000013078 crystal Substances 0.000 abstract 3
- 150000004683 dihydrates Chemical class 0.000 abstract 3
- 235000011149 sulphuric acid Nutrition 0.000 abstract 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 abstract 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 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- SJWPYUMDDKMOLP-UHFFFAOYSA-J O.O.S(=O)(=O)([O-])[O-].[Ca+2].O.[Ca+2].S(=O)(=O)([O-])[O-].O.O Chemical compound O.O.S(=O)(=O)([O-])[O-].[Ca+2].O.[Ca+2].S(=O)(=O)([O-])[O-].O.O SJWPYUMDDKMOLP-UHFFFAOYSA-J 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- 239000006227 byproduct Substances 0.000 abstract 1
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 abstract 1
- 239000001175 calcium sulphate Substances 0.000 abstract 1
- 235000011132 calcium sulphate Nutrition 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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
- C01F11/466—Conversion of one form of calcium sulfate to another
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7045866 | 1966-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1184585A true GB1184585A (en) | 1970-03-18 |
Family
ID=13432076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2891967A Expired GB1184585A (en) | 1966-10-27 | 1967-06-22 | A Method for Manufacturing Pure Gypsum. |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE700367A (enrdf_load_stackoverflow) |
| DE (1) | DE1592080A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1184585A (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0012488A1 (en) * | 1978-12-13 | 1980-06-25 | Stamicarbon B.V. | Process for the preparation of calcium sulphate hemihydrate and calcium sulphate hemihydrate obtained by this process |
| EP0044005A1 (de) * | 1980-07-14 | 1982-01-20 | HIS Handels- und Industriebedarf GmbH | Herstellung von Gipshalbhydrat mit Wärmemüll, wässriger H2SO4 und schwefelsauren Salzen |
| FR2551432A1 (fr) * | 1983-09-03 | 1985-03-08 | Bischoff Gasreinigung | Procede pour convertir les residus d'installations de desulfuration des gaz de fumees en cristaux de platre formes de l'hemihydrate alpha |
| EP0077475A3 (de) * | 1981-10-03 | 1985-08-21 | Quante, Heinrich | Verfahren und Vorrichtung zur drucklosen Herstellung von Alpha-Calciumsulfat-Halbhydrat |
| EP0237802A1 (de) * | 1986-02-20 | 1987-09-23 | Gebr. Knauf Westdeutsche Gipswerke KG | Verfahren zur Herstellung von Calciumsulfat-Anhydrit und abbindefähigen Calciumsulfaten |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3222721A1 (de) * | 1982-06-18 | 1983-12-22 | Krupp-Koppers Gmbh, 4300 Essen | Verfahren zum betrieb einer gips-schwefelsaeureanlage |
-
1967
- 1967-06-08 DE DE19671592080 patent/DE1592080A1/de active Pending
- 1967-06-22 BE BE700367D patent/BE700367A/xx not_active IP Right Cessation
- 1967-06-22 GB GB2891967A patent/GB1184585A/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0012488A1 (en) * | 1978-12-13 | 1980-06-25 | Stamicarbon B.V. | Process for the preparation of calcium sulphate hemihydrate and calcium sulphate hemihydrate obtained by this process |
| EP0044005A1 (de) * | 1980-07-14 | 1982-01-20 | HIS Handels- und Industriebedarf GmbH | Herstellung von Gipshalbhydrat mit Wärmemüll, wässriger H2SO4 und schwefelsauren Salzen |
| EP0077475A3 (de) * | 1981-10-03 | 1985-08-21 | Quante, Heinrich | Verfahren und Vorrichtung zur drucklosen Herstellung von Alpha-Calciumsulfat-Halbhydrat |
| FR2551432A1 (fr) * | 1983-09-03 | 1985-03-08 | Bischoff Gasreinigung | Procede pour convertir les residus d'installations de desulfuration des gaz de fumees en cristaux de platre formes de l'hemihydrate alpha |
| EP0237802A1 (de) * | 1986-02-20 | 1987-09-23 | Gebr. Knauf Westdeutsche Gipswerke KG | Verfahren zur Herstellung von Calciumsulfat-Anhydrit und abbindefähigen Calciumsulfaten |
Also Published As
| Publication number | Publication date |
|---|---|
| BE700367A (enrdf_load_stackoverflow) | 1967-12-01 |
| DE1592080A1 (de) | 1970-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 433D | Application made for revocation (sect. 33/1949) | ||
| 434A | Offer to surrender (sect. 34/1949) | ||
| 4333 | Proceeding terminated by surrender of patent under section 34 patents act 1949 | ||
| 434I | Order made revoking the undermentioned patent (sect. 34/1949) |