Method and apparatus for dewatering sludge materials

Details Method and apparatus for dewatering sludge materials Method and apparatus for dewatering sludge materials

1992-03-11

1993-07-27

Silverman, Stanley S.

Liquid purification or separation

Processes

Utilizing electrical or wave energy directly applied to...

210205, 210243, 210400, 210401, 210746, 210749, 210770, 210783, 204149, 204152, B01D 3506, C02F 1112, C02F 1114

Patent

active

052308090

ABSTRACT:
A method and apparatus for the removal of water, liquids and liquors from sludges and slurries, the sludges and slurries mixed with an electrolyte to improve conductivity and introduced into a conveyor chamber where an electrical path is established to permit electrical energy to pass through the conveyor chamber and the sludge, slurry and electrolyte to free bound water and remove it from the sludge or slurry, and to heat the sludge or slurry to drive off remaining water by vaporization.

REFERENCES:
patent: 3381609 (1968-05-01), Malarkey, Jr.
patent: 3962069 (1976-06-01), Inoue et al.
patent: 4101400 (1978-07-01), Pepping
patent: 4367132 (1983-01-01), Bell et al.
patent: 4655932 (1987-04-01), Roslonski
patent: 4755305 (1988-07-01), Fremont et al.
patent: 4861496 (1989-08-01), Diaz
patent: 4971705 (1990-11-01), Roslonski

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