Design and optimization of electrochemical microreactors for continuous electrosynthesis

Cyril Renault 1 Jérôme Roche 1 Mihaela Raluca Ciumag 1 Theodore Tzedakis 1 Stéphane Colin 2 Karine Serrano 1 Olivier Reynes 1 Christiane André-Barrès 3 Peter Winterton 4
1 LGC - Laboratoire de génie chimique [ancien site de Basso-Cambo]
2 ICA - Institut Clément Ader
3 SPCMIB - Synthèse et Physico-Chimie de Molécules d'Intérêt Biologique
4 UPS - Université Toulouse III - Paul Sabatier
Abstract : The study focuses on the design and construction, as well as the theoretical and experimental optimization of electrochemical filter press microreactors for the electrosynthesis of molecules with a high added value. The main characteristics of these devices are firstly a high-specific electrochemical area to increase conversion and selectivity, and secondly the shape and size of themicrochannels designed for a uniform residence time distribution of the fluid. A heat exchanger is integrated into the microstructured electrode to rapidly remove (or supply) the heat required in exo- or endothermic reactions. The microreactors designed are used to perform-specific electrosynthesis reactions such as thermodynamically unfavorable reactions (continuous NADH regeneration), or reactions with high enthalpy changes.
Keywords : Electrochemistry Microreactors Electrosynthesis Fluorination NADH regeneration Optimization Simulation POISEUILLE Pressure drop
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UNIV-TLSE3 | INC-CNRS | INSA-TOULOUSE | ICA | INSA-GROUPE

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Cyril Renault, Jérôme Roche, Mihaela Raluca Ciumag, Theodore Tzedakis, Stéphane Colin, et al.. Design and optimization of electrochemical microreactors for continuous electrosynthesis. Journal of Applied Electrochemistry, Springer Verlag, 2012, vol. 42, pp. 667-677. ⟨10.1007/s10800-012-0445-x⟩. ⟨hal-00878979⟩

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