Electrokinetic remediation of oil-contaminated soils

Abstract

This investigation was undertaken to determine the factors influencing electrokinetic remediation of soils from petroleum pollutants. The remediation method was applied in two versions: (i) static and (ii) flowing, when a sample was washed with leaching solution. It was found that all the soils studied can be purified using this technique. It was also observed that the mineral and grain-size composition of soils, their properties, and other parameters affect the remediation efficiency. The static and flowing versions of the remediation method removed 25–75% and 90–95% of the petroleum pollutants, respectively from the soils under study.

Keywords:

• Remediation
• soil
• oil and petroleum pollution
• electrokinetic method
• electrochemical degradation and lixiviation
• static and flowing version

Acknowledgment

This work was supported by State Budget Financing.

Notes

*Horizons: A–humus, B–illuvial.