发明名称 |
Process for improving coal |
摘要 |
In a process for improving coal containing elemental sulfur wherein the coal is treated with a metal containing compound in order to enhance the magnetic susceptibility of various impurities contained within the coal thereby permitting their removal by magnetic separation, the improvement comprising removing at least a portion of the elemental sulfur prior to performing the magnetic susceptibility enhancement treatment.
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申请公布号 |
US4119410(A) |
申请公布日期 |
1978.10.10 |
申请号 |
US19770764390 |
申请日期 |
1977.01.31 |
申请人 |
HAZEN RESEARCH, INC. |
发明人 |
KINDIG, JAMES K.;TURNER, RONALD L. |
分类号 |
C10L9/02;C10L9/10;(IPC1-7):C10L9/10;C10B57/00 |
主分类号 |
C10L9/02 |
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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