JPS5271397A - Production of alphagypsum -hemihydrate - Google Patents
Production of alphagypsum -hemihydrateInfo
- Publication number
- JPS5271397A JPS5271397A JP14800175A JP14800175A JPS5271397A JP S5271397 A JPS5271397 A JP S5271397A JP 14800175 A JP14800175 A JP 14800175A JP 14800175 A JP14800175 A JP 14800175A JP S5271397 A JPS5271397 A JP S5271397A
- Authority
- JP
- Japan
- Prior art keywords
- hemihydrate
- alphagypsum
- production
- gypsum
- lime
- 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.)
- Pending
Links
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
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)
Abstract
PURPOSE: To produce directly gypsum α-hemihydrate by the reaction of sulfuric acid with lime.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14800175A JPS5271397A (en) | 1975-12-12 | 1975-12-12 | Production of alphagypsum -hemihydrate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14800175A JPS5271397A (en) | 1975-12-12 | 1975-12-12 | Production of alphagypsum -hemihydrate |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5271397A true JPS5271397A (en) | 1977-06-14 |
Family
ID=15442882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14800175A Pending JPS5271397A (en) | 1975-12-12 | 1975-12-12 | Production of alphagypsum -hemihydrate |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5271397A (en) |
-
1975
- 1975-12-12 JP JP14800175A patent/JPS5271397A/en active Pending
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