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In this work, we presented a detailed evaluation of Ru/TiO2 (P25) catalysts for the catalytic oxidation of (chloro)-aromatics. The model catalysts were synthesized through wet impregnation. Catalytic evaluations, as well… Click to show full abstract
In this work, we presented a detailed evaluation of Ru/TiO2 (P25) catalysts for the catalytic oxidation of (chloro)-aromatics. The model catalysts were synthesized through wet impregnation. Catalytic evaluations, as well as ICP, BET, XRD and TEM analyses, were conducted. The results indicated that RuO2 tended to be distributed on the rutile phase of TiO2, leading to an inhomogeneous distribution. These Ru/TiO2 catalysts were very active, especially for chlorobenzene oxidation. The conversions of benzene and chlorobenzene were both suppressed by the introduction of additional water. But the amount of polychlorinated benzenes as by-products was also reduced. However, the activity of the catalyst significantly decreased with an increase in calcination temperature, suggesting that the thermal stability of the catalyst still needed to be improved.Graphical Abstract
Journal Title: Catalysis Letters
Year Published: 2019
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