Electrically augmented vacuum filtration

Details Electrically augmented vacuum filtration Electrically augmented vacuum filtration

1978-04-20

1979-09-18

Prescott, Arthur C.

Chemistry: electrical and wave energy

Apparatus

Coating, forming or etching by sputtering

204152, 204180R, 204299R, B01D 1302

Patent

active

041682220

ABSTRACT:
A system for dewatering a suspension of solids in an electric field controllably maintained between opposing electrode structures, to cause the solids to migrate relative to the carrier liquid to form a layer or cake on one set of electrode structures in which the electrode members are positioned within ion-permeable walls and immersed in a selected electrolyte, while allowing carrier liquid to be withdrawn under vacuum in the opposite direction through the liquid-pervious wall of hollow, counter electrode structures, and wherein said layer or cake material may be detached from said electrode structures during exposure from the suspension.

REFERENCES:
patent: 1435886 (1922-11-01), Acton et al.
patent: 2500878 (1950-03-01), Sieling
patent: 3642605 (1972-02-01), Chenel et al.
patent: 4048038 (1977-09-01), Kunkle
patent: 4110189 (1978-08-01), Kunkle et al.

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