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

B - Operations, Transporting

09

B

309/15, 362/2, 7

B09B 5/00 (2006.01) B09C 1/06 (2006.01) C02F 11/00 (2006.01) E02D 3/11 (2006.01) E21B 36/04 (2006.01) E21B 43/24 (2006.01) H05B 3/03 (2006.01) H05B 3/60 (2006.01)

Patent

CA 1322106

Abstract A method and apparatus for decontaminating ground areas where toxic chemicals are buried com- prises disposition of a plurality of spaced elec- trodes 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 rela- tively high temperatures at relatively low power levels.

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