| 摘要 |
A method for remediating soil which is contaminated by one or more hydrophobic organic chemicals, comprising:contacting the contaminated soil with an aqueous composition comprising a surfactant prepared by reacting a sulfonate of the formulaan amine wherein R1 is hydrogen or methyl, R2 is hydrogen or an alkyl group containing up to 18 carbon atoms, and each of R3, R4 and R5 is individually hydrogen or an alkyl group containing up to 7 carbon atoms and M is an alkali metal, an alkaline earth metal or -NR10R11R12 wherein R10, R11 and R12 are independently hydrogen or hydrocarbyl groups containing from 1 to 22 carbon atoms andremoving said aqueous compositions and organic chemicals associated therewith from the soil.
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