Method of decontaminating soil, porous rock and the like

Details Method of decontaminating soil, porous rock and the like Method of decontaminating soil, porous rock and the like

1990-10-12

1991-07-30

Corbin, David H.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

405258, 405270, B09B 300, E02D 300

Patent

active

050355376

ABSTRACT:
A method of treating soil, porous rock and similar material contaminated by petroleum, hydrocarbon and volatile organic compounds includes the steps of gathering the contaminated soil, dispersing it uniformly on an impervious horizontal surface to a depth of about four to six inches, treating it with an emulsifying agent and allowing the emulsifying agent to seep through the soil and volatilize the hydrocarbon and organic compounds in the soil. Optionally, the vapors emanating from the soil may be collected and burned. After treatment, the soil or porous rock is substantially free of the contaminants and may be returned to its former location or another, if desired.

REFERENCES:
patent: 4519338 (1985-05-01), Kramer et al.
patent: 4643111 (1987-02-01), Jones
patent: 4758355 (1988-07-01), Levine
patent: 4842448 (1989-06-01), Koerner et al.
patent: 4927293 (1990-05-01), Campbell
patent: 4945988 (1990-08-01), Payne et al.
patent: 4957393 (1990-09-01), Buelt et al.

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