Degradation of PAH in a creosote-contaminated soil. A comparison between the effects of willows (Salix viminalis), wheat straw and a nonionic surfactant.


The degradation of polyaromatic hydrocarbons (PAH) in an aged creosote-contaminated soil in the presence of Salix viminalis was investigated in a greenhouse experiment. Phenanthrene and pyrene were degraded 100% and 80%, respectively, in the presence of plants but only 68% and 63% without plants. The effects of the nonionic surfactant Triton X-100 or the… (More)


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