发明名称 |
Addition of pyritic materials to feed mix for desulfurization of phosphogypsum |
摘要 |
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.
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申请公布号 |
US4946658(A) |
申请公布日期 |
1990.08.07 |
申请号 |
US19890351269 |
申请日期 |
1989.05.11 |
申请人 |
FLORIDA INSTITUTE OF PHOSPHATE RESEARCH |
发明人 |
MARTEN, JEROME H.;LLOYD, JR., GEORGE M. |
分类号 |
B01J6/00;C01B17/50;C01F11/08;C22B1/02;C22B1/20;E01C3/00;E01C7/18 |
主分类号 |
B01J6/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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