JPS6461316A - Alpha-type hemihydrate gypsum and production thereof - Google Patents
Alpha-type hemihydrate gypsum and production thereofInfo
- Publication number
- JPS6461316A JPS6461316A JP21508887A JP21508887A JPS6461316A JP S6461316 A JPS6461316 A JP S6461316A JP 21508887 A JP21508887 A JP 21508887A JP 21508887 A JP21508887 A JP 21508887A JP S6461316 A JPS6461316 A JP S6461316A
- Authority
- JP
- Japan
- Prior art keywords
- habit
- gypsum
- alpha
- type hemihydrate
- pressurized reactor
- 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.)
- Granted
Links
- 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 title abstract 4
- 239000003607 modifier Substances 0.000 abstract 5
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 abstract 3
- 229910052602 gypsum Inorganic materials 0.000 abstract 3
- 239000010440 gypsum Substances 0.000 abstract 3
- 239000002002 slurry Substances 0.000 abstract 3
- 238000001027 hydrothermal synthesis Methods 0.000 abstract 2
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 abstract 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 abstract 1
- 229910000358 iron sulfate Inorganic materials 0.000 abstract 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000011975 tartaric acid Substances 0.000 abstract 1
- 235000002906 tartaric acid Nutrition 0.000 abstract 1
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21508887A JPS6461316A (en) | 1987-08-31 | 1987-08-31 | Alpha-type hemihydrate gypsum and production thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21508887A JPS6461316A (en) | 1987-08-31 | 1987-08-31 | Alpha-type hemihydrate gypsum and production thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6461316A true JPS6461316A (en) | 1989-03-08 |
| JPH0455131B2 JPH0455131B2 (enrdf_load_stackoverflow) | 1992-09-02 |
Family
ID=16666552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21508887A Granted JPS6461316A (en) | 1987-08-31 | 1987-08-31 | Alpha-type hemihydrate gypsum and production thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6461316A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304850A (zh) * | 2019-06-24 | 2019-10-08 | 江苏一夫科技股份有限公司 | 一种基于钛石膏生产α型半水石膏的方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5227120A (en) * | 1975-08-22 | 1977-03-01 | Shin Meiwa Ind Co Ltd | Locking device of load container of vehicle |
-
1987
- 1987-08-31 JP JP21508887A patent/JPS6461316A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5227120A (en) * | 1975-08-22 | 1977-03-01 | Shin Meiwa Ind Co Ltd | Locking device of load container of vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304850A (zh) * | 2019-06-24 | 2019-10-08 | 江苏一夫科技股份有限公司 | 一种基于钛石膏生产α型半水石膏的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0455131B2 (enrdf_load_stackoverflow) | 1992-09-02 |
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