| 发明名称 |
A PROCESS FOR PRODUCING SULFUR-FREE GYPSUM |
| 摘要 |
<p>A pelletized mixture of gypsum, carbonaceous material and pyrite is charged to a travelling grate where the charge is heated under suitable conditions to produce a solid sintered material which has a broad spectrum of applications due to its chemical and physical properties and a gaseous effluent containing sulfur dioxide, sulfur or mixtures thereof.</p> |
| 申请公布号 |
IN170365(B) |
申请公布日期 |
1992.03.21 |
| 申请号 |
IN1987MA80119 |
申请日期 |
1987.11.06 |
| 申请人 |
FLORIDA INSTITUTE OF PHOSPHATE RESEARCH |
发明人 |
JEROME HERBERT MARTEN;GEORGE MICHAEL LLOYD JR. |
| 分类号 |
B01J6/00;C01B17/50;C01F11/08;C22B1/02;C22B1/20;E01C3/00;E01C7/18;(IPC1-7):C01F11/46 |
主分类号 |
B01J6/00 |
| 代理机构 |
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