| 发明名称 |
METHOD FOR MANUFACTURING ANHYDROUS GYPSUM |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for manufacturing anhydrous gypsum where energy consumption for production can be suppressed. SOLUTION: The method for manufacturing anhydrous gypsum is characterized in that dihydrate gypsum is heated in a steam atmosphere in the presence of anhydrous gypsum. COPYRIGHT: (C)2007,JPO&INPIT
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| 申请公布号 |
JP2007169114(A) |
申请公布日期 |
2007.07.05 |
| 申请号 |
JP20050369974 |
申请日期 |
2005.12.22 |
| 申请人 |
SUMITOMO OSAKA CEMENT CO LTD |
发明人 |
HEBIMI SHINGO;YAMASHITA SUMISHIGE;NAKADA HIRONOBU |
| 分类号 |
C04B11/05;C01F11/46 |
主分类号 |
C04B11/05 |
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