Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1986-10-27
1988-11-08
Nozick, Bernard
Classifying, separating, and assorting solids
Fluid suspension
Liquid
252 61, B03D 114
Patent
active
RE0327786
ABSTRACT:
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 C.sub.6 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.
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Bergman Roger W.
Hansen Robert D.
Klimpel Richard R.
Nozick Bernard
The Dow Chemical Company
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