| 发明名称 |
Removal of impurities from coal |
| 摘要 |
The magnetic susceptibility of various impurities contained within coal is increased by simultaneously cotreating the coal with a metal containing compound and a gas selected from the group consisting of hydrogen and carbon monoxide.
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| 申请公布号 |
US4098584(A) |
申请公布日期 |
1978.07.04 |
| 申请号 |
US19770767659 |
申请日期 |
1977.02.10 |
| 申请人 |
HAZEN RESEARCH, INC. |
发明人 |
KINDIG, JAMES K.;TURNER, RONALD L. |
| 分类号 |
B03C1/01;C01B31/02;C10L9/02;C10L9/04;C10L9/10;(IPC1-7):C10L9/10;C10B57/00 |
主分类号 |
B03C1/01 |
| 代理机构 |
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代理人 |
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| 主权项 |
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