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Remediation of PCBs in soil by surfactant washing and biodegradation in the wash by Pseudomonas sp. LB400 |
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| Authors: | K.A. Billingsley S.M. Backus S. Wilson A. Singh O.P. Ward |
| Affiliation: | (1) Department of Biology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada;(2) National Water Research Institute, National Laboratory for Environmental Testing, 867 Lakeshore Road, Burlington, Ontario, L7R 4A6, Canada |
| Abstract: | Solutions from the washing of polychlorinated biphenyl (PCB)-contaminated soil with a variety of commercial nonionic or anionic surfactants were incubated with Pseudomonas sp. LB400 in an attempt to remediate the soil and destroy the PCBs. Nonionic surfactants washed more PCBs from the soil (up to 89%) but inhibited their biodegradation. Anionic surfactants washed less PCBs from the soil but were more effective in biodegradation tests, removing up to 67% of total PCBs. |
| Keywords: | biodegradation polychlorinated biphenyls Pseudomonas soil remediation surfactant washing |
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