Hydraulic and earth engineering – Soil remediation – In situ contaminant removal or stabilization
Patent
1993-02-18
1994-06-28
Corbin, David H.
Hydraulic and earth engineering
Soil remediation
In situ contaminant removal or stabilization
405130, 588249, B09B 500, E02D 3115
Patent
active
053241371
ABSTRACT:
An advancing freeze front is established in a porous region adjacent to or within contaminated earth. A flow of contaminated liquid phase water migrates toward the freeze front and a concentration of impurities is established in front of the advancing freeze front. When the freeze front reaches a collection zone, at least a portion is melted and the resultant water bearing concentrated impurities is collected and removed. This process may be repetitively performed.
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Hofmann et al., "Redistribution of Soil Water and Solutes in Fine and Coarse Textured Soils After Freezing," Proceedings of the International Symposium on Frozen Soil Impacts on Agricultural, Range & Forest Lands, Special Report 90-1, pp. 263-270.
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Corbin David H.
University of Washington
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