Bioelectrochemical Remediation for the Removal of Petroleum Hydrocarbon Contaminants in Soil

Md Tabish Noori, Dayakar Thatikayala and Booki Min ()
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Md Tabish Noori: Department of Environmental Science and Engineering, Kyung Hee University, Seocheon-dong, Yongin-si 446-701, Gyeonggi-do, Korea
Dayakar Thatikayala: Department of Environmental Science and Engineering, Kyung Hee University, Seocheon-dong, Yongin-si 446-701, Gyeonggi-do, Korea
Booki Min: Department of Environmental Science and Engineering, Kyung Hee University, Seocheon-dong, Yongin-si 446-701, Gyeonggi-do, Korea

Energies, 2022, vol. 15, issue 22, 1-22

Abstract: Consistent accumulation of petroleum hydrocarbon (PH) in soil and sediments is a big concern and, thus, warrants a static technology to continuously remediate PH-contaminated soil. Bioelectrochemical systems (BESs) can offer the desired solution using the inimitable metabolic response of electroactive microbes without involving a physiochemical process. To date, a wide range of BES-based applications for PH bioremediations under different environmental conditions is readily available in the literature. Here, the latest development trend in BESs for PH bioremediation is critically analyzed and discussed. The reactor design and operational factors that affect the performance of BESs and their strategic manipulations such as designing novel reactors to improve anodic reactions, enhancing soil physiology (electrical conductivity, mass diffusion, hydraulic conductivity), electrode modifications, operational conditions, microbial communities, etc., are elaborated to fortify the understanding of this technology for future research. Most of the literature noticed that a low mass diffusion condition in soil restricts the microbes from interacting with the contaminant farther to the electrodes. Therefore, more research efforts are warranted, mainly to optimize soil parameters by specific amendments, electrode modifications, optimizing experimental parameters, integrating different technologies, and conducting life cycle and life cycle cost analysis to make this technology viable for field-scale applications.

Keywords: bioelectrochemical systems; petroleum hydrocarbon; bioremediation; microbial communities (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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