发明名称 |
A COMPOSITION AND PROCESS FOR FROTH FLOTATION OF COAL FROM RAW COAL. |
摘要 |
<p>The invention is a process for recovering coal or mineral values from raw coal or mineral ore which comprises subjecting the raw coal or mineral ore in the form of an aqueous pulp, to a floatation process in the presence of a floatation collector, and a flotating amount of a floatation frother which comprises the reaction product of an alitphatic C6 alcohol and between about 1 and 5 moles of propylene oxide, butylene oxide or mixtures thereof, under conditions such that the coal or mineral values are recovered.</p> |
申请公布号 |
EP0183825(A4) |
申请公布日期 |
1986.07.29 |
申请号 |
EP19850903122 |
申请日期 |
1985.06.03 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
HANSEN, ROBERT, D.;BERGMAN, ROGER, W.;KLIMPEL, RICHARD, R. |
分类号 |
B03D1/02;B03D1/008;(IPC1-7):B03D1/02 |
主分类号 |
B03D1/02 |
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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