Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1990-02-23
1991-10-15
Silverman, Stanley S.
Classifying, separating, and assorting solids
Fluid suspension
Liquid
209166, 252 61, B03D 101, B03D 1008, B03D 102
Patent
active
050572091
ABSTRACT:
A flotation process is disclosed wherein the selectivity to the valuable mineral is improved by the depression of silica or siliceous gangue by the use of a hydroxy-containing compound such as an alkanol amine. The process is useful in the flotation of oxide minerals as well as in sulfide flotation.
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Fee Basil S.
Hansen Robert D.
Klimpel Richard R.
Leonard Donald E.
Lithgow Thomas M.
Silverman Stanley S.
The Dow Chemical Company
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