Water purification method and apparatus

Details Water purification method and apparatus Water purification method and apparatus

1978-03-22

1979-11-27

Prescott, Arthur C.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204273, 204275, C02B 182, C25B 900

Patent

active

041760387

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.

REFERENCES:
patent: 3945892 (1976-03-01), James et al.
patent: 3969201 (1976-07-01), Oloman et al.
patent: 3977951 (1976-08-01), Lopez-Cacicedo

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