Process for remediating soils contaminated with polycyclic aromatic hydrocarbons and chlorinated phenols

摘要

A process for removing contaminants from a soil sample including the steps of removing fine soil particles from the soil sample, reducing the amount of contaminants in the fine soil particles by applying a solvent to the fine soil particles to dissolve the contaminants carried by the fine soil particles and radiating the surface layer of the fine soil particles to ultraviolet light having a wavelength selected to degrade the contaminants in the surface layer of the fine soil particles, and separately treating the coarse soil particles to reduce the level of contaminants in the coarse soil particles.