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Nanocrystalline alumina was prepared and was employed as a support for vanadium catalysts. The catalysts were characterized by N2 adsorption/desorption, X-ray diffraction, TPR, UV–Vis, NH3-TPD, and CO2-TPSR. The activity and selectivity of the catalysts in ethylbenzene dehydrogenation in the presence of CO2 were compared with vanadium supported on commercial available alumina. The catalytic activity,...
A nano-sized Fe 2 O 3 –K 2 O catalyst was prepared by the impregnation–thermal decomposition method and was evaluated for ethylbenzene dehydrogenation at 520–580°C under normal pressure. An ethylbenzene conversion of 71.9% with a styrene selectivity of 91.1% was obtained at 550°C, N 2 /H 2 O/ethylbenzene molar ratio of 30.7/10/1, and WHSV of 0.43 h −1 ...
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