Automatic drain system treatment process

Details Automatic drain system treatment process Automatic drain system treatment process

1987-11-23

1989-01-10

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210614, 210632, 210 89, 210139, C02F 100

Patent

active

047972084

ABSTRACT:
A process for automatically treating a drain system to prevent or at least minimize clogging problems particularly in grease traps of the type provided in restaurants and other food preparation establishments. The process employs an apparatus which includes a valve for directing fresh water into the grease trap for pretreating the trap in preparation for the injection of bioactive liquid cultures by the pump. The liquid cultures liquify and digest contaminants in the grease trap which are flushed therefrom by fresh water. The apparatus is controlled by a system which cyclically operates the apparatus in accordance with a preferred operational sequence and at adjustably variable time periods.

REFERENCES:
patent: 3242055 (1966-03-01), De Lucia
patent: 3506582 (1970-04-01), Gertzman
patent: 4666606 (1987-05-01), Heinicke
patent: 4670149 (1987-06-01), Francis

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