Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1976-03-04
1977-10-11
Prescott, Arthur C.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204 1R, 204130, 204152, C02B 182, C02C 512
Patent
active
040533786
ABSTRACT:
An improved method and apparatus for continuously agglomerating solids of colloidal size or larger suspended in a liquid is disclosed. The process comprises passing the liquid between spaced electrode plates in the presence of a fluidized bed of conductive particles, and subjecting said liquid suspension to an electric field from alternating current applied across said electrodes through the conductive particles of said bed. The turbulence of the particles in said bed has been found to improve conductivity and current efficiency, minimize electrode erosion, and by a mechanical, scrubbing action of the bed particles, minimize fouling or scaling of the electrodes so that the suspending forces of said solids are rapidly and efficiently broken. The agglomerated solids may then be separated from the liquid by conventional means such as skimming, settling, flotation and the like.
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patent: 3969201 (1976-07-01), Oloman et al.
patent: 3981787 (1976-09-01), James et al.
Hodgetts Graham L.
Moeglich Karl
Prescott Arthur C.
Westinghouse Electric Corporation
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