Classifying – separating – and assorting solids – Electrostatic
Patent
1980-03-17
1982-04-27
Halper, Robert
Classifying, separating, and assorting solids
Electrostatic
209129, B03C 710
Patent
active
043269516
ABSTRACT:
An apparatus for electrostatically concentrating mineral particles includes a pair of oppositely charged collector electrodes spaced apart from each other and oriented so that a flow path is formed between them where material containing mineral particles can fall by gravity through at least a major portion of the flow path and the mineral particles will be charged and attracted to the electrodes. Each electrode includes a collector surface formed of a dielectric material which defines at least a substantial portion of the flow path. Ionizers are located midway between the collector electrodes for charging mineral particles at a plurality of locations along the flow path.
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