Proceedings of the Korean Society of Soil and Groundwater Environment Conference (한국지하수토양환경학회:학술대회논문집)
- 2001.04a
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- Pages.26-29
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- 2001
Desorption-Resistance of Hydrophobic Organic Compounds in Natural Soils
- Shin, Won-Sik (Water Environment Research Team, Environment and Energy Division, Research Institute of Science and Technology)
- Published : 2001.04.01
Abstract
Sorption/desorption Study was conducted to determine desorption-resistance hydrophobic organic compounds in natural soils with low organic carbon content. Sorption/desorption characteristics of chlorobenzene and phenanthrene for both PPI (Petro Processors, Inc. Superfund site) and BM (Bayou Manchac), soils were investigated. Desorption was biphasic including reversible and desorption-resistant compartments. The biphasic sorption parameters indicated the presence of appreciable size of desorption-resistant phase in these soils. A finite maximum capacity of desorption-resistant fraction (equation omitted) was observed after several desorption steps. The apparent organic carbon based Partition coefficient, K(equation omitted) was 10
Keywords
- bioavailability;
- sorption;
- desorption;
- desorption-resistance;
- biphasic sorption;
- aging;
- sequestration;
- risk assessment