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Evaporation of Volatile Chlorinated Hydrocarbons in Soils  

Lee, Junho (Department of Environmental Science, Hankuk University of Foreign Studies)
Park, Kapsong (Department of Environmental Science, Hankuk University of Foreign Studies)
Publication Information
Journal of Korean Society on Water Environment / v.24, no.1, 2008 , pp. 78-85 More about this Journal
Abstract
Evaporation of selected toxic volatile chlorinated hydrocarbons was studied in laboratory soil columns. The evaporation values were obtained for the ten volatile chlorinated hydrocarbons at two different temperatures ($12^{\circ}C$ and $21^{\circ}C$) from columns filled with silty clay loam and sandy loam soils. 1,1,1-Trichloroethane, trichloroethylene and chloroform evaporated considerably (36.7~54.6% removal), carbon tetrachloride, 1,2-dichlorobenzene, tetrachloroethylene, 1,3-dichlorobenzene, dichlorobromethane and dibromochloromethane to a lesser extent (15.3~39.3% removal), and bromoform evaporated poorly (<10 percent removal) at both temperature. Volatile chlorinated hydrocarbons concentration did not affect evaporation, no statistically significant difference in evaporation between the soil types was found. However, temperature affected evaporation, the effect of concentration on the evaporation was not conclusive.
Keywords
Chloroform; Contaminated soil; Evaporation; Trichloroethane; Volatile chlorinated hydrocarbons;
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