In situ heating to detoxify organic-contaminated soils

Details In situ heating to detoxify organic-contaminated soils In situ heating to detoxify organic-contaminated soils

1988-04-14

1990-09-18

Taylor, Dennis L.

Hydraulic and earth engineering

Soil remediation

In situ contaminant removal or stabilization

405258, E02D 300

Patent

active

049573934

ABSTRACT:
A method and apparatus for decontaminating ground areas where toxic chemicals are buried comprises disposition of a plurality of spaced electrodes in the ground to be treated and application of a voltage across the electrodes for bringing about current flow through the ground. Power delivered to the ground volatilizes the chemicals which are collected and directed to a gas treatment system. The preferred form of the invention employs high voltage arc discharge between the electrodes for heating a ground region to relatively high temperatures at relatively low power levels.

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