Treatment of contaminated groundwater

Details Treatment of contaminated groundwater Treatment of contaminated groundwater

1995-04-24

1997-02-25

Upton, Christopher

Liquid purification or separation

Processes

Including geographic feature

210170, 210220, 435 52, 435128, 1663051, C02F 100

Patent

active

056056346

ABSTRACT:
The system places traces of nutrients and other treatment substances in the ground, in the path of an on-coming plume of contaminated groundwater. Boreholes placed across the plume contain respective diffusion tubes, the tubes being of e.g LDPE, or dialysis tubing. The remediation substance is circulated (pumped) through the diffusion tubes periodically. The remediation substance diffuses through the LDPE into the water in the borehole, and thence into the plume and is carried into the aquifer.

REFERENCES:
patent: 3846290 (1974-11-01), Raymond
patent: 4401569 (1983-08-01), Jhaveri et al.
patent: 4478765 (1984-10-01), Tubbs
patent: 4755304 (1988-07-01), Hallberg et al.
patent: 5006250 (1991-04-01), Roberts et al.
patent: 5171104 (1992-12-01), Bernhardt
patent: 5302286 (1994-04-01), Semprini et al.
patent: 5384048 (1995-01-01), Hazen et al.
patent: 5456550 (1995-10-01), Devlin

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