Soil decontamination

Details Soil decontamination Soil decontamination

1991-04-09

1993-05-11

Corbin, David H.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

405131, E02D 300, B09B 300

Patent

active

052096041

ABSTRACT:
The top layers of soil contaminated with halogenated organic chemicals are remediated by initial heating at moderate temperature and reduced pressure to remove soil moisture and volatile contaminants and subsequently heating the soil of minimum clay content or acidity at higher temperature, thereby decomposing the halogenated organic chemicals contained therein. Means for effecting such remediation is provided which includes a heat source, pressure regulating means, and vapor collection and treatment means.

REFERENCES:
patent: 4376598 (1983-03-01), Brouns
patent: 4670634 (1987-06-01), Bridges et al.
patent: 4839061 (1989-06-01), Manchak et al.
patent: 4842448 (1989-06-01), Koerner et al.
patent: 4984594 (1991-01-01), Vinegar et al.
patent: 5004373 (1991-04-01), Carter
patent: 5024556 (1991-06-01), Timmerman

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