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- W72524449 abstract "Addition of potassium to V2O5 / TiO2 and MoO3/TiO2 catalysts leads to the increase in selectivity in oxidative dehydrogenation of propane to propene, the effect being particularly distinct for catalysts with high specific surface area TiO2. The amelioration of the selectivity can be related to the modification of some physicochemical properties of the catalysts in the presence of K. It has been shown, that the potassium addition brings about the decrease in acidity, as inferred from the decrease in isopropanol dehydration to propene, lowers surface potential (work function) and hinders the formation of electrophilic O− species. The coverage of TiO2 with VOx and MoOx species is higher in the presence of K, as suggested by XPS measurements." @default.
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- W72524449 date "1994-01-01" @default.
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- W72524449 title "Effect of Potassium Addition to V2O5/TiO2 and MoO3/TiO2 Catalysts on Their Physicochemical and Catalytic Properties in Oxidative Dehydrogenation of Propane" @default.
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- W72524449 doi "https://doi.org/10.1016/s0167-2991(08)63407-2" @default.
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