Physico-chemical washing of oil-contaminated soils with biosurfactant offers a novel pre-treatment method which could potentially enhance subsequent bioremediation. Although literature reviews and our pilot studies using artificially oil “spiked” soils under a similar washing regime had indicated that oil would be released during soil-washing, it was soon apparent that this was not the case for weathered, oil-contaminated waste soils where virtually no oil released into solution occurred. Furthermore, we frequently detected an apparent increase in soil hydrocarbon contamination levels in analysis after washing. This was demonstrated to be partly an artefact of the smaller grain size fraction used for the standard analytical protocol (
|Title of host publication||Trends in Bioremediation and Phytoremediation|
|Publication status||Published - Dec 2010|
Connolly, H. E., Pattanathu, K. S. M., Banat, I., & Lord, R. A. (2010). Resource recovery and reduction of oily hazardous wastes via biosurfactant washing and bioremediation. In Trends in Bioremediation and Phytoremediation (pp. 157-172). Research Signpost.