发明名称 |
Methods of cleaning coal |
摘要 |
Methods of and apparatus for cleaning coal in which halogenated hydrocarbons are used as parting liquids. Various novel techniques, components, and combinations thereof are employed to maximize efficiency; to minimize costs and adverse environmental impacts; to make it possible to recover coal of a character which has heretofore been economically unrecoverable; to produce a superior product; and to reach other worthwhile goals.
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申请公布号 |
US4447245(A) |
申请公布日期 |
1984.05.08 |
申请号 |
US19800218636 |
申请日期 |
1980.12.22 |
申请人 |
OTISCA INDUSTRIES, LTD. |
发明人 |
SMITH, CLAY D.;KELLER, JR., DOUGLAS V. |
分类号 |
C10L9/10;(IPC1-7):C10L9/02 |
主分类号 |
C10L9/10 |
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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