Liquid purification or separation – With means to add treating material – With distinct reactor tank – trough or compartment
Patent
1993-11-29
1995-10-31
McCarthy, Neil
Liquid purification or separation
With means to add treating material
With distinct reactor tank, trough or compartment
210218, 210219, 210220, 210258, 210738, C02F 152, C02F 1114
Patent
active
054626617
ABSTRACT:
A solid-liquid separator for sludge which includes a tank with a sludge suction port, an intake/exhaust port and a sludge discharge port. A plurality of agitating blades are mounted on a rotatable shaft within the tank and are capable of being driven in either of two rotational directions. A plurality of injection nozzles are internally mounted on the bottom of the tank in such a manner as to eject a mixture of sludge coagulant and air into sludge contained within the tank. A pump which is capable of producing a vacuum or pressure is connected to the intake/exhaust port so as to produce either a vacuum or a pressure within the tank and the sludge suction port is adapted to be connected to a source of sludge to intake the sludge into the tank. The injection nozzles are connected to a source of sludge coagulant and air. The disclosure also relates to the method of treating the sludge to separate into solid and liquid phases.
REFERENCES:
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patent: 2766203 (1956-10-01), Brown et al.
patent: 4155851 (1979-05-01), Michael
patent: 4199828 (1980-04-01), Hellers
patent: 4238338 (1980-12-01), Kinzer
patent: 4265753 (1981-05-01), Manuel
patent: 4376702 (1983-03-01), Small
patent: 4710290 (1987-12-01), Briltz
patent: 4784764 (1988-11-01), Kleinschnittger et al.
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