Abstract
Abstract Mathematical models for low-temperature thermal treatment of contaminated soils for the removal of semivolatile organic compounds (SVOCs) by batch and continuous flow units are described. In one set of models the SVOC is assumed to obey a linear adsorption isotherm on the soil; in the second set the SVOC is assumed to be present as nonaqueous phase liquid (NAPL) blobs dispersed within the porous soil. The soil is represented by porous spheres of specified radius through which the escaping SVOC must diffuse. Results of calculations with both models for continuous flow units are presented, and the dependence of the results on the model parameters is discussed.
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