ZSM-5 zeolite modified with vanadyl ions |
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| Affiliation: | 1. School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology, Garden Point Campus, Brisbane, QLD 4001, Australia;2. School of Chemical Engineering, University of Adelaide, Adelaide, SA 5005, Australia;1. Université Clermont Auvergne, CNRS, GEOLAB, F-63000 Clermont-Ferrand, France;2. Laboratoire Chrono-environnement – UMR 6249 CNRS-UFC, 16 Route de Gray, 25030 Besançon, France;3. Université de Corse Pascal Paoli, Faculté des Sciences et Techniques, Département d’Hydrogéologie, Campus Grimaldi, BP 52, F-20250 Corte, France;4. CNRS, UMR 6134, SPE, F-20250 Corte, France;5. Unité Mixte Internationale 3189 «Environnement, Santé, Sociétés » – CNRS UMIESS, Université Cheikh Anta Diop, Faculté de Médecine, BP 5005, Dakar Fann, Senegal;2. Teer Coatings Ltd., West Stone House, Droitwich, United Kingdom |
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| Abstract: | Properties of the ZSM-5 zeolite modified with VO2+ ions in a one-step exchange reaction in water medium have been investigated. Physicochemical characterization (chemical analysis, XRD, MAS n.m.r., e.s.r.) shows that during the preparation the ZSM-5 zeolite structure remains preserved and the vanadyl ions enter the zeolite structure. Sample acidity is of Brönsted and Lewis types and can be reduced by treatment with NaCl solution. Doping with vanadyl ions produces catalysts active in ammoxidation of m-xylene. |
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