Classifying – separating – and assorting solids – Fluid suspension – Liquid
Patent
1990-05-30
1993-01-26
Silverman, Stanley S.
Classifying, separating, and assorting solids
Fluid suspension
Liquid
209166, 209167, 209168, 209169, 209170, 241 20, 241 21, 241 24, 204275, 204277, B03D 102, B03D 106, B03D 116, B03D 124
Patent
active
051820145
ABSTRACT:
Micron sized gas bubbles produced by electrolysis (e.g., oxygen and/or hydrogen gas bubbles by the electrolysis of water) are introduced into a flotation cell which is also provided with larger bubbles produced by sparging a gas such as air into the flotation cell. The mixed presence of both large bubbles and small bubbles serves to improve the recovery of various copper-containing ores. The small bubble producing electrodes can be retrofitted into an existing sparged gas driven flotation cell.
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Lithgow Thomas M.
Silverman Stanley S.
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