Effluent waste treatment process and apparatus

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow

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110 8E, 159 1RW, 203DIG5, 210152, 210180, 210195R, 210259, B01D 126

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active

039869555

ABSTRACT:
A self-contained process for the treatment of liquid waste from a unit source which involves a flow of liquid waste purified in a heating zone, preferably an electrode boiler, by direct passage of an electric current through the raw waste, the water content thereof being converted to a water vapor and the total body of the waste becoming sterilized, the produced steam is condensed to water and returned to the water system of the unit for re-use, residual purified solid content of the stored waste is dried if to be used for fertilizer, the latent heat of the steam is utilized for either heating or cooling the unit and a portion of the sensible heat of the condensed vapor is utilized to preheat the effluent waste prior to the heating zone. The process is preferably continuous and may use automatic circulating means. It may be staged in one or more stages and pressurized for more efficient utilization of heat. Off peak periods of electrical energy utilization with heat and water storage means is a feature of the invention.
Specifically raw sewage from a unified dwelling unit is contemplated as is the total water system of a ship or the industrial waste from a manufacturing unit. The term liquid waste, therefore, is meant to include, raw sewage, industrial wastes, and a closed loop fresh water sanitary system aboard ship.

REFERENCES:
patent: 1293141 (1919-02-01), McGary
patent: 1685266 (1928-02-01), Baum
patent: 3323575 (1967-06-01), Greenfield
patent: 3464917 (1969-09-01), Porteous
patent: 3500897 (1970-03-01), Von Cube
patent: 3541594 (1970-11-01), Wallace
patent: 3762549 (1973-10-01), Crampton
patent: 3808126 (1974-04-01), Pradt
patent: 3856672 (1974-12-01), Boswinkle et al.
patent: 3862395 (1975-01-01), Eaton
patent: 3864252 (1975-02-01), Morin et al.

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