Electrochemical technologies coupled with biological treatments |
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Authors: | Emmanuel Mousset Clément Trellu Hugo Olvera-Vargas Yoan Pechaud Florence Fourcade Mehmet A Oturan |
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Institution: | 1. Laboratoire Réactions et Génie des Procédés, Université de Lorraine, CNRS, LRGP, F-54000, Nancy, France;2. Université Gustave Eiffel, Laboratoire Géomatériaux et Environnement EA 4508, 77454, Marne-la-Vallée, Cedex 2, France;3. Instituto de Energías Renovables, Universidad Nacional Autónoma de México (IER-UNAM), Priv. Xochicalco S/N, Col. Centro, 62580, Temixco, Morelos, Mexico;4. Univ Rennes, Ecole Nationale Supérieure de Chimie de Rennes, CNRS, ISCR – UMR6226, F-35000, Rennes, France |
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Abstract: | When possible, the bioprocesses should be implemented to treat wastewater for their cost-effectiveness. However, many effluents are composed of biorecalcitrant organic pollutants, especially in industrial wastewaters. Advanced physico-chemical treatments are therefore needed to deal with these pollution levels. Electrochemical processes could be cost-effective solutions. However, the energy required to reach complete mineralization is often high. One promising combination would be to combine electrochemical processes that can remove xenobiotic compounds from effluent with biotechnologies that are able to mineralize the biodegradable fraction. Therefore, this review presents the most recent articles dealing with this combination, by mainly focusing on electrochemical advanced oxidation processes that demonstrated to have high removal efficiency for organic biorecalcitrant compounds. Additional and imperative information about the treatment strategy and the engineering aspects for the upscaling approach are also given. |
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Keywords: | Anodic oxidation Bioreactor Biorecalcitrant Electro-Fenton Hydroxyl radicals Wastewater treatment |
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