Abstract
In this work, the possible synergy effects between Bi2O3, MoO3 and V2O5, and between Bi2Mo3O12 and BiVO4, were investigated. The catalytic activity of the “mechanical mixture” of these compounds was measured. The mixture containing 36.96 mol% Bi2O3, 39.13 mol% MoO3 and 23.91 mol% V2O5 (21.43 mol% Bi2Mo3O12 and 78.57 mol% BiVO4), corresponding to the compound Bi1−x/3V1−x Mo x O4 with x = 0.45 (Bi0.85V0.55Mo0.45O4), exhibited the highest activity for the selective oxidation of propylene to acrolein. The mixed sample prepared chemically by a sol–gel method possessed higher activity than that of mechanical mixtures.
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Acknowledgments
We gratefully acknowledge the receipt of grants from the Danish Ministry of Foreign Affairs (ENRECA project: “Attractive routes for selective oxidation of hydrocarbon”) and from the Flemish Interuniversity Council for University Development cooperation (VLIR UOS) which enabled the research teams to carry out this work. Part of this research was carried out under the Interuniversity attraction poles programme IAP/VI-17 (INANOMAT) financed by the Belgian State, Federal Science Policy Office.
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Nguyen, T.T., Le, T.M., Truong, D.D. et al. Synergy effects in mixed Bi2O3, MoO3 and V2O5 catalysts for selective oxidation of propylene. Res Chem Intermed 38, 829–846 (2012). https://doi.org/10.1007/s11164-011-0421-9
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DOI: https://doi.org/10.1007/s11164-011-0421-9