Method removes substance, polyaromatic hydrocarbon and polychlorinated biphenyls from contaminated rock medium

摘要

A kind of contaminated rocks environment, especially soil, ground, sludge and rock, washing is based on polymeric alcohol tenzides with suitable detergent solution, such as the adduct of ethylene oxide and higher alcohol, wherein for hydrophilic parts molecule by polyethylene oxide chain and accumulation-O-CH2- (O-CH2-CH2) x-OH hydrophilic radicals, concentration is preferably 0.1 to 5 volume.