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SORPTION OF VOLATILE ORGANIC SOLVENTS FROM AQUEOUS SOLUTION ONTO SUBSURFACE SOLIDS
Citation:
Piwoni*, M. D. AND P. Banerjee. SORPTION OF VOLATILE ORGANIC SOLVENTS FROM AQUEOUS SOLUTION ONTO SUBSURFACE SOLIDS. JOURNAL OF CONTAMINANT HYDROLOGY 4(2):163-179, (1989).
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Description:
Sorption isotherms for tetrachloroethene on low-carbon subsurface core samples were linear to equilibrium solution concentrations of 2 mg L−1. Concentrations above this value produced pronounced curvature in the sorption isotherms. Sorption of tetrachloroethene, benzene, trichloroethene, and 1,2-dichlorobenzene on low-organic-carbon aquifer materials (foc < 0.001) was 2–4 times that predicted based solely on sorbent organic carbon content. Estimates of the mineral surface contribution to sorption and the relationship of this mineral component to sorbate Kow are presented. An approach to predicting organic solvent sorption in low-carbon natural environments is proposed.
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