Method and apparatus for removing volatile contaminants from con

Details Method and apparatus for removing volatile contaminants from con Method and apparatus for removing volatile contaminants from con

1990-05-24

1991-11-26

Taylor, Dennis L.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

210170, 405129, 405258, B09B 100

Patent

active

050678523

ABSTRACT:
A method and apparatus for removing volatile contaminants from contaminated soil is provided wherein the contaminated soil is excavated and stockpiled upon a vapor-tight support structure. The contaminated soil is covered and sealed with an impervious vapor-tight liner such that a vapor-tight enclosure is created. A vacuum is created in the vapor-tight enclosure which induces air flow through the contaminated soil to volatilize contaminants from the contaminated soil. Vapors created as a result of the induced air flow are exhausted from the system and treated or managed as required by federal, state, or municipal regulatory requirements.

REFERENCES:
patent: 3874175 (1975-04-01), Winters
patent: 4519338 (1985-05-01), Kramer et al.
patent: 4745850 (1988-05-01), Bastian 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.
patent: 4919570 (1990-04-01), Payne

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