Liquid purification or separation – Flow – fluid pressure or material level – responsive – Diverse sensing means
Patent
1977-01-17
1979-03-20
Granger, Theodore A.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Diverse sensing means
210299, 210513, 210532R, B01D 2124
Patent
active
041452879
ABSTRACT:
An apparatus separates grease from a waste effluent containing a grease and water mixture prior to disposing of the effluent in a sanitary sewage system. A separator tank receives and holds the effluent while the mixture separates into an upper grease fraction and a lower water fraction. A means is provided for introducing the effluent into the tank either periodically or directly from the source of the effluent. A withdrawal means is associated with the tank for withdrawing at least a portion of the water fraction from the tank means when the effluent in the tank means reaches a first predetermined level. The withdrawal means stop withdrawing the water fraction from the separator tank when the effluent in the tank reaches a second predetermined level lower than the first predetermined level. The grease can be stored in th separator tank itself or can be transferred to a separate storage tank. The water fraction is disposed of directly to the sanitary sewer system while the grease is periodically collected for reprocessing into usable byproducts.
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David Don B.
Walker Harold L.
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