Dewatering with electrically augmented vacuum filter

Details Dewatering with electrically augmented vacuum filter Dewatering with electrically augmented vacuum filter

1980-10-31

1982-01-26

Prescott, Arthur C.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204180R, 204299R, 204301, 2103211, 2103212, B01D 1302

Patent

active

043127290

ABSTRACT:
A perm-selective membrane is used in an electrokinetic cell of an electrically augmented vacuum filter (EAVF) to prevent the migration of anions from the anode and optionally cathode compartments. The perm-selective membrane in the form of a film laminated to a support grid effectively prevents migration of anions into the filter cake and migration of fine particle solid to be filtered from the slurry into the anolyte and/or catholyte.

REFERENCES:
patent: 2500878 (1950-03-01), Sieling
patent: 2571247 (1951-10-01), Huebotter
patent: 4003811 (1977-01-01), Kunkle

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