发明名称 |
BLANDING OG FREMGANGSM¨TE VED SKUMFLOTASJON AV KULL FRA R¨ KULL. |
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 |
NO860365(A) |
申请公布日期 |
1986.02.03 |
申请号 |
NO19860000365 |
申请日期 |
1986.02.03 |
申请人 |
DOW CHEMICAL COMPANY, THE |
发明人 |
HANSEN, ROBERT D.;BERGMAN, ROGER W.;KLIMPEL, RICHARD R. |
分类号 |
B03D1/02;B03D1/008;(IPC1-7):B03D/ |
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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