Arrangement for cleaning contaminated ground water

Details Arrangement for cleaning contaminated ground water Arrangement for cleaning contaminated ground water

1991-11-22

1992-09-01

Silverman, Stanley S.

Liquid purification or separation

Structural installation

Geographic

210188, 210196, 210218, 210901, 166 74, 166242, 166278, 166311, 55190, 55196, 261 77, B01D 1900, C02F 120

Patent

active

051436060

ABSTRACT:
An arrangement for cleaning contaminated ground water and a ground region through which it flows, comprises a shaft extending to a region of the ground water to be cleaned and having water permeable shaft walls separated from one another by a separating wall and adapted for aspirating of water from a ground region and reintroducing of the water into the ground region, elements for circulating water and including a water circulating pump and a passage extending through the separating wall and forming a part of a flow path, a shaft insert formed so that the passage is a part of the shaft insert. The shaft insert has a gas chamber through which a gas is supplied under the action of negative pressure. The water circulating pump is formed as a suction pump arranged on the shaft insert in a water aspiration region of the shaft. A water receiving chamber starts underneath the gas chamber and extends above the gas chamber.

REFERENCES:
patent: 4478765 (1984-10-01), Tubbs
patent: 4543186 (1985-09-01), Weisenberger et al.
patent: 4582610 (1986-04-01), Barker
patent: 4765902 (1988-08-01), Ely et al.
patent: 4883589 (1989-11-01), Konon
patent: 4950394 (1990-08-01), Bernhardt et al.
patent: 4992174 (1991-02-01), Caplan et al.

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