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Propane-to-propene oxide oxidation was carried out at 673 and 703K and for different contact times on vanadium catalyst supported on mesoporous silica of SBA-3 structure in the presence of N2O as an oxidant. For comparison, direct propene epoxidation was also investigated. Vanadium catalysts for propane oxidation undergo deactivation with time on stream. It was noted that the higher the reaction temperature...
SBA-3 mesoporous molecular sieves doped with transition metal ions (Fe, V, Nb and Ta) have been applied for selective oxidation of propene towards propylene oxide in the presence of N 2 O as an oxidant. The kind and amount of applied modifiers significantly affected the catalytic activity. V/SBA-3 was found to be the most active among the catalyst under study. In spite of relatively high selectivity...
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