Réacteur d'électrosynthèse microstructuré : conception, étude et développement appliqués à l'oxydation du 4-méthylanisole

Abstract : This work concerns the realization and the validation of a microstructured reactor for organic electrosynthesis. The electrochemical reaction is the oxidation of 4-methylanisole to 4-methoxy-benzaldehyde-dimethylacetal. Theoretical behaviour simulations of high conversion thin-gap flow cell of the 4-methylanisole show conditions for which the reactor has best productivity. The experimental tests carried out on high conversion thin-gap flow reactor showed the influence of the supporting electrolyte (KF) concentration on the reaction yield. For an optimal flow rate of 0.2 ml min-1, an initial reagent concentration of 0.1 M and a current equal to 85% of the theoretical current necessary to convert all reagent, it is possible to reach selectivity of 86% with single pass high conversion (95%) , whereas selectivity on BASF process doesn't exceed 68%.
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Anis Attour. Réacteur d'électrosynthèse microstructuré : conception, étude et développement appliqués à l'oxydation du 4-méthylanisole. Autre. Institut National Polytechnique de Lorraine, 2007. Français. ⟨NNT : 2007INPL024N⟩. ⟨tel-01752816⟩

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