Method of passive remediation of D.N.A.P.L.'s from groundwater r

Details Method of passive remediation of D.N.A.P.L.'s from groundwater r Method of passive remediation of D.N.A.P.L.'s from groundwater r

1998-06-04

2000-03-28

Lillis, Eileen Dunn

Wells

Processes

Cleaning or unloading well

166187, 166369, 405 52, 405128, 210747, E21B 2100, B09B 100

Patent

active

06041863&

ABSTRACT:
A passive absorptive device covered with a layer of DNAPL-philic hydrophobic material, is disposed within a groundwater remediation well to soak up DNAPL (ie., dense non-aqueous phase liquid) seepage at the wall of the groundwater remediation well so that, after retrieval of the passive absorptive device from the well, the DNAPL soaked in the DNAPL-philic hydrophobic layer can be safely disposed of.

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patent: 5613555 (1997-03-01), Sorem et al.
patent: 5645374 (1997-07-01), Lesage et al.

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