Liquid purification or separation – Structural installation – Geographic
Patent
1993-05-28
1995-04-04
Upton, Christopher
Liquid purification or separation
Structural installation
Geographic
210220, 2104161, 166 67, 1661055, 166106, 166265, C02F 174
Patent
active
054034760
ABSTRACT:
An arrangement for removing impurities from ground water and surrounding ground region has a wall shaft driven to a contaminated region and provided with at least locally permeable well shaft, a separating wall subdividing the well shaft into two well shaft regions which are sealed from one another, a device for removing impurities arranged in the well shaft so that ground water passes through the device, a tube provided with a feed pump and extending through the separating wall, and an opening provided in one of the well shaft regions to communicate the one well shaft region with the tube, wherein the tube has a tube portion extending through the opening and accommodating an additional feed pump.
REFERENCES:
patent: 4766957 (1988-08-01), McIntyre
patent: 4928771 (1990-05-01), Vandevier
patent: 4930394 (1990-08-01), Bernhardt et al.
patent: 5015370 (1991-05-01), Fricano
patent: 5082053 (1992-01-01), Bernhardt
patent: 5095975 (1992-03-01), Bernhardt
patent: 5116163 (1992-05-01), Bernhardt
patent: 5143606 (1992-09-01), Bernhardt
patent: 5171103 (1992-12-01), Bernhardt
patent: 5171104 (1992-12-01), Bernhardt
IEG Industrie-Engineering GmbH
Striker Michael J.
Upton Christopher
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