System for the dielectrophoretic separation of particulate and g

Details System for the dielectrophoretic separation of particulate and g System for the dielectrophoretic separation of particulate and g

1977-01-13

1978-07-11

Prescott, Arthur C.

Chemistry: electrical and wave energy

Apparatus

Coating, forming or etching by sputtering

204180R, 204213, 204302, 55 2, 55113, 55116, B03C 500

Patent

active

041000684

ABSTRACT:
A system for the continuous dielectrophoretic separation of mixtures of particulate and granular materials by passing the materials through a divergent electric field created in a fluid dielectric medium by applying a voltage to an electrode configuration including a rotatable cylindrical-shaped electrode having a non-uniform conductor surface and a stationary perforate electrode spaced therefrom to define a contact zone. The particles having dielectric constants lower than that of the fluid medium are collected through the perforate electrode while those particles having dielectric constants higher than that of the fluid medium are attracted to and separated by the rotatable electrode.

REFERENCES:
patent: 639766 (1899-12-01), Porter
patent: 1335175 (1920-03-01), Merritt
patent: 1609357 (1926-12-01), Hulmer
patent: 2390282 (1945-12-01), Tour et al.
patent: 3282819 (1966-11-01), Hovanic
patent: 3893898 (1975-07-01), Candor
patent: 3977937 (1976-08-01), Candor
patent: 3980547 (1976-09-01), Kunkle
patent: 4033841 (1977-07-01), Candor

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