Arrangement for cleaning contaminated ground water

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

1990-09-13

1992-01-21

Dang, Hoang C.

Wells

Central chamber sealed with respect to prepositioned...

166 67, 166106, 166311, 166369, E21B 4302

Patent

active

050820532

ABSTRACT:
An arrangement for cleaning contaminated ground water and the ground through which it passes with a shaft extending to the region of the ground water to be cleaned has a shaft wall including a plurality of water permeable and water impermeable wall portions with one of the water impermeable wall portions located between water permeable wall portions, a tightly inserted partition located above a ground water level in the one water impermeable wall portion and having an opening, a throughgoing passage extending in the opening and forming a part of a flow path of a ground water and ending above a ground water level in the well shaft, a circulating pump arranged in the well shaft for circulating the ground water along the flow path, and a filter arranged in the well shaft in the flow path of the ground water circulated by the circulating pump.

REFERENCES:
patent: 311024 (1885-01-01), Miller
patent: 2299734 (1942-10-01), Betts
patent: 2986215 (1961-05-01), Barr
patent: 4372389 (1983-02-01), Hamrick et al.
patent: 4531593 (1985-07-01), Elliott et al.

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