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Alumina-supported V 0.43 Sb 0.57 oxide (VSb/Al) and MgO-modified alumina-supported V 0.43 Sb 0.57 oxide catalysts (VSb/Mg n Al with Mg/Al atomic ratio, n=0.1, 0.3 or 0.5) have been tested for the dehydrogenation of ethylbenzene with carbon dioxide as an oxidant. Their catalytic behaviors were interpreted by results of several catalyst characterization methods...
The dehydrogenation of ethylbenzene over alumina-supported vanadium–antimony oxide catalyst has been studied under different atmospheres such as inert nitrogen, steam, oxygen and carbon dioxide as diluent or oxidant. Among them, the addition of CO 2 gave the highest styrene yield (up to 82%) and styrene selectivity (up to 97%) along with stable catalytic performance. Carbon dioxide plays a...
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