Arrangement for driving out volatile impurities from ground wate

Details Arrangement for driving out volatile impurities from ground wate Arrangement for driving out volatile impurities from ground wate

1991-01-16

1992-05-26

Nozick, Bernard

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

55196, 553851, 210170, 405258, B09B 100

Patent

active

051161630

ABSTRACT:
An arrangement for driving out volatile impurities from a ground water and a ground region through which the ground water passes by introducing air or another gas into an opening in the ground region and subsequent aspiration of the air or the gas with entrained contamination substances, the contains a cup insert arranged to close an opening formed in a ground region at its lower end and provided with a closed wall, and two pipes arranged concentrically in the opening for supplying the air or gas and withdrawing the air or gas, respectively. The pipes include an inner pipe extending into an interior of the cup insert.

REFERENCES:
patent: 3887008 (1975-06-01), Canfield
patent: 4410041 (1983-10-01), Davies et al.
patent: 4883589 (1989-11-01), Konon
patent: 4892664 (1990-01-01), Miller
patent: 4929348 (1990-05-01), Rice
patent: 4950394 (1990-08-01), Bernhardt et al.
patent: 4992174 (1991-02-01), Caplan

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