Remediation of crude oil polluted soil using washing process with surfactant in batch reactor

S. Rahal, M. Hamadache, N. Hadidi, N. Moulai-Mostefa


The objective of this work is to study the power of surfactant solutions on the remediation of soils contaminated by crude oil during a batch washing process. We used as surfactants Sodium dodecyl sulfate (SDS), Sodium dodecyl benzenesulfonate (SDBS). In this study, we examined the effect of various parameters: level of contamination, type of surfactant and contamination Age on the surfactant elimination of oil from soil.

The results obtained in this study showed the potential of surfactants in the cleanup of soils contaminated by hydrocarbons, and the structure of surfactants has a crucial effect on the kinetic elimination. The calculated correlation coefficients (R2) suggest a good closeness-of-fit range for the first and second order kinetic model. It varies between 0.87 and 0.94 for first order kinetic model and between 0.75 and 0.89 for second order kinetic model.

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