Abstract

For the enhanced removal of anthropogenic contaminations from the subsurface, thermal enhancement has proven to be efficient. For soils of low permeability and/or contaminants of low volatility, thermal wells are used. Experimental work on the small scale to identify the chief processes and to yield parameter sets for the numerical simulation of remediation by thermal wells is presented. The numerical model is used for the systematic simulation of heat and contaminant mass transport in different porous media under changing conditions. A general overview of the remediation performance of thermal wells for different soils, contaminants and operational parameters based on the numerical investigations is given.

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