The structure and activity of charcoal supported palladium catalysts Part II. Hydrides phase formation and activity of palladium charcoal catalysts in benzene hydrogenation
- 1 January 1981
- journal article
- research article
- Published by EDP Sciences in Journal de Chimie Physique et de Physico-Chimie Biologique
- Vol. 78, 875-879
- https://doi.org/10.1051/jcp/1981780875
Abstract
Some dependence has been found in turn over number for benzene hydrogenation over various Pd/Charcoal catalysts for metal particles below 40 Ǻ in sizes, approximately. In order to account for the above results attention was paid for their association with β Pd-H hydride appearance during the catalytic process, as detected in situ by X-ray diffraction analysis. La vitesse spécifique de l'hydrogénation du benzène dépend de la taille des particules métalliques du palladium supporté sur charbon en dessous d'une taille critique de 40 Å environ. Pour expliquer ces résultats, une attention particulière a été portée sur l'apparition, durant le processus catalytique, d'un hydrure Pd-H β révélé par diffraction des rayons X.Keywords
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