Behavior of Three Organic Chemicals Passing Through Columns Packed with Sand and Silt in the Presence of Landfill Leachate

by Rosario Iturbe, Inst de Ingenieria, Mexico, Mexico,
James Atwater, Inst de Ingenieria, Mexico, Mexico,



Document Type: Proceeding Paper

Part of: Environmental Engineering

Abstract:

This study examines the effect of leachate on the migration of three common industrial chemicals in unsaturated flow under two sets of soil conditions: sand and sand with a layer of silt. The organic compounds are Trichloroethylene (TCE), Tetrachloroethylene (PCE) and Bromoform (BROM). The results show an important transformation of the chemicals into another compound (1,1 Dichloroethyene). After 70 days, the effluent concentration of added compounds is less in columns fed with the landfill leachate than in those without it.

Subject Headings: Soil properties | Unsaturated soils | Soil pollution | Landfills | TCE | Leachates | Organic compounds

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