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Wastewater treatment by electrogeneration of strong oxidants using borondoped diamond (BDD)

Groenen Serrano, Karine Wastewater treatment by electrogeneration of strong oxidants using borondoped diamond (BDD). (2013) In: Encyclopedia of Applied Electrochemistry. Springer-Verlag, 1-7. ISBN 978-1-4419-6995-8

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Chemical industries are making significant efforts to limit pollution by the improvement of processes and the development of extensive recycling. In spite of these efforts, numerous wastewaters still contain residual persistent organic pollutants (POPs). The extreme variety of the chemicals involved, their concentration, their flow and their chemical, biological and ecological properties, explains the efforts being made in the research for treatment technologies suited to every situation. In this context, electrochemical technologies represent an interesting alternative. There are two possible approaches: direct or indirect electrochemical oxidation. In the case of direct electrochemical oxidation (DEO), the refractory compound is oxidized in the neighborhood of the electrode. The process is then limited by mass transfer and is suitable for concentrated wastewater. For dilute solutions, another way is to use the electrode surface to generate a strong oxidant stable enough to diffuse through the solution and react chemically with the refractory compound. Moreover, the electrosynthesis of powerful oxidants allows selective reactions to be performed for organic synthesis.

Item Type:Book Section
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Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
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Deposited On:25 Sep 2013 13:00

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