Method and system for receiving and handling polluted liquids, e

Details Method and system for receiving and handling polluted liquids, e Method and system for receiving and handling polluted liquids, e

1989-10-27

1992-03-24

Dawson, Robert A.

Liquid purification or separation

Processes

Including controlling process in response to a sensed condition

152465, 134 21, 134186, 137 15, 137566, 137568, 196 46, 208179, 208187, 210 87, 210 94, 210241, 2102571, 210258, 210524, 210803, B01D 2132, C10G 3306, C10G 3308, C10M17500

Patent

active

050985809

ABSTRACT:
A method and system for handling polluted liquids with a mobile sewage vehicle, especially stratified oil products in a petrol or oil tank wherein the contents of the tank normally separates into horizontal layers of useless polluted liquid and fully useable liquid, respectively. The fractions of the polluted and useable liquid are respectively drawn into a sludge tank and an extra tank so that the extra tank receives an immediately reuseable product which may be returned to the petrol or oil tank. The selective filling of the sludge tank and extra tank is obtained by providing an arrangement for enabling an inspection of the suctioned liquid as the suctioned liquid enters the sludge tank and a valve device for facilitating the necessary switching operations.

REFERENCES:
patent: 1962463 (1934-06-01), Renfrew
patent: 2425848 (1947-08-01), Vawter
patent: 3586169 (1971-06-01), Holtquist
patent: 3954611 (1976-05-01), Reedy
patent: 4153553 (1979-05-01), Davis
patent: 4179019 (1979-12-01), Danziger
patent: 4360436 (1982-11-01), Poveromo
patent: 4721127 (1988-01-01), Conlin
patent: 4784751 (1988-11-01), McGehee

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