Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1988-04-28
1989-05-02
Schor, Kenneth M.
Classifying, separating, and assorting solids
Fluid suspension
Liquid
252 61, 44625, B03D 102
Patent
active
048265888
ABSTRACT:
The separation of coal from pyrite during a froth flotation process is enhanced by the use of an effective amount of a pyrite depressant. The depressant is a hydrophilic nitrogen-sulfur-containing compound.
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Fazio Michael J.
Hansen Robert D.
Klimpel Richard R.
Lithgow Thomas M.
Ruhr Paula S.
Schor Kenneth M.
The Dow Chemical Company
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