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Abstract

The global problem of petroleum contamination in soils seriously threatens environmental safety and human health. Current studies have successfully demonstrated the feasibility of bioelectrokinetic and bioelectrochemical remediation of petroleum-contaminated soils due to their easy implementation, environmental benignity, and enhanced removal efficiency compared to bioremediation. This paper reviewed recent progress and development associated with bioelectrokinetic and bioelectrochemical remediation of petroleum-contaminated soils. The working principles, removal efficiencies, affecting factors, and constraints of the two technologies were thoroughly summarized and discussed. The potentials, challenges, and future perspectives were also deliberated to shed light on how to overcome the barriers and realize widespread implementation on large scales of these two technologies.

Keywords

Environmental remediationPetroleumEnvironmental scienceBioremediationSoil waterSoil contaminationContaminationBiochemical engineeringWaste managementEnvironmental engineeringEngineeringChemistryEcologySoil scienceBiology

Identifiers

DOI
10.1016/j.ese.2023.100278
Journal
Environmental Science and Ecotechnology
Year
2023