Ethylbenzene Dehydrogenation with CO<sub>2</sub> over V<sub>2</sub>O<sub>5</sub>-Fe<sub>2</sub>O<sub>3</sub>/Al<sub>2</sub>O<sub>3</sub>-TiO<sub>2</sub> Catalyst
Shu Jiao ZhangXiao Hong LiJie FengWen Ying LiQian WangHong Fan
Abstract
The oxidative ethylbenzene dehydrogenation to styrene with CO 2 has been studied using various catalysts to enhance its activity and stability. The type of V 2 O 5 -Fe 2 O 3 /A l2 O 3 -TiO 2 catalyst is studied to fit for this process. It is found that different TiO 2 loadings can lead to the activity difference. Compared with the results happened in N 2 atmosphere, both activity and selectivity were lower than that in the CO 2 . Hence, CO 2 was chosen as a soft oxidant by improving activity and selectivity in the process of oxidative ethylbenzene dehydrogenation to styrene with CO 2 over the investigated catalysts.
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