Apparatus and method for recovering pollutant liquids

Details Apparatus and method for recovering pollutant liquids Apparatus and method for recovering pollutant liquids

1979-01-10

1981-06-16

Adee, John

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Diverse sensing means

210109, 210923, E02B 1508

Patent

active

042736501

ABSTRACT:
Hydrocarbons and other hazardous liquid pollutants, which are lighter than water, leaking or spilling from containers and entering the water table are intercepted by at least one deep driven, small diameter, well. The perforated casing of the well admits water. A water pump in the bottom of the casing establishes and maintains a predetermined water level below the water table level to create a cone of depression therearound, by gravity flow free of any centrifugal separation forces. The pollutant fills the cone and is periodically pumped into a recovery tank by a pump/sensor assembly supported by a winch at the level of the apex of the cone.

REFERENCES:
patent: 3635342 (1972-01-01), Mourlon et al.
patent: 3719936 (1973-03-01), Daniels
patent: 3756409 (1973-09-01), Carmichael
patent: 4031839 (1977-06-01), Derown
patent: 4038182 (1977-07-01), Jenkins
patent: 4082997 (1978-04-01), Ohtsu
patent: 4091830 (1978-05-01), Hins
patent: 4142972 (1979-03-01), Nebeker et al.

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