Enhancing the degradation of selected recalcitrant organic contaminants through integrated cathode and anode processes in microbial electrochemical systems: A frontier review
المؤلف | Yang, Kaichao |
المؤلف | Abu-Reesh, Ibrahim M. |
المؤلف | He, Zhen |
تاريخ الإتاحة | 2022-12-27T09:48:59Z |
تاريخ النشر | 2022-11-01 |
اسم المنشور | Journal of Hazardous Materials Letters |
المعرّف | http://dx.doi.org/10.1016/j.hazl.2022.100057 |
الاقتباس | Yang, K., Abu-Reesh, I. M., & He, Z. (2022). Enhancing the Degradation of Selected Recalcitrant Organic Contaminants Through Integrated Cathode and Anode Processes In Microbial Electrochemical Systems: A Frontier Review. Journal of Hazardous Materials Letters, 100057. |
الملخص | Microbial electrochemical system (MES) technology has been widely investigated for organic degradation. However, the removal of recalcitrant organic contaminants containing halogen-, nitro-, or azo-groups remains a great challenge. Integrating the cathodic and anodic processes in an MES is able to improve or complete the mineralization of the target halogen-, nitro- and azo-organics via a sequential reductive and oxidative process. In this way, a cathode is used to reduce the toxic target organics, while an anode is to oxidize the residual organics from the reduction process and at the same time generate electrons to support the reduction process. This paper has provided a concise review about the sequential cathode-anode contaminant degradation in an MES and its specific mechanisms. Potential strategies to improve the MES degradation performance were discussed, mainly including the application and development of the biocatalyzed cathode as well as the optimization of the anodic operating condition and the improvement of anodic bacteria and electrode material. Perspectives on future directions were proposed and the key challenges were identified as the competitive or inhibitive influence of other compounds that could coexist in real wastewater on the target contaminants. |
راعي المشروع | This paper was made possible by NPRP grant # [ NPRP13S-0109-200029 ] from the Qatar National Research Fund (a member of Qatar Foundation). K. Y. would like to thank the support from Department of Energy, Environmental and Chemical Engineering, Washington University in St. Louis. The findings achieved herein are solely the responsibility of the authors. |
اللغة | en |
الناشر | Elsevier B.V. |
الموضوع | Electroactive bacteria Environmental sustainability Microbial electrochemical system Recalcitrant compounds Sequential cathode-anode degradation |
النوع | Article |
رقم المجلد | 3 |
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