Process for in-situ surfactant washing of contaminated soil

Details Process for in-situ surfactant washing of contaminated soil Process for in-situ surfactant washing of contaminated soil

1990-05-14

1991-03-05

Taylor, Dennis L.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

166261, E02D 300

Patent

active

049973134

ABSTRACT:
A method is disclosed for the use of an aqueous surfactant solution to remove water-insoluble, organic contaminant from subsurface soil layers. The process is carried out continuously with the application of the surfactant solution and the removal of the leachate from a recovery well within the treatment area. It is contemplated that the leachate will be treated above ground to remove the dispersed contaminant.

REFERENCES:
patent: 4611950 (1986-09-01), Russomano
patent: 4687373 (1987-08-01), Falk et al.
patent: 4765902 (1988-08-01), Ely et al.
patent: 4849360 (1989-07-01), Norris et al.
patent: 4850745 (1989-07-01), Hater et al.

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