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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 26, Number 11
BKCSDE 26(11)
November 20, 2005

Title	Dehydrogenation of Ethylbenzene with Carbon Dioxide as Soft Oxidant over Supported Vanadium-Antimony Oxide Catalyst
Author	Do-Young Hong, Vladislav P. Vislovskiy, Sang-Eon Park, Min-Seok Park, Jin S. Yoo, Jong-San Chang
Keywords	Carbon dioxide, Oxidant, Dehydrogenation, Ethylbenzene, Styrene
Abstract	This work presents that carbon dioxide, which is a main contributor to the global warming effect, could be utilized as a selective oxidant in the oxidative dehydrogenation of ethylbenzene. The dehydrogenation of ethylbenzene over alumina-supported vanadium-antimony oxide catalyst has been studied under different atmospheres such as inert nitrogen, steam, oxygen or carbon dioxide as diluent or oxidant. Among them, the addition of carbon dioxide gave the highest styrene yield (up to 82%) and styrene selectivity (up to 97%) along with stable activity. Carbon dioxide could play a beneficial role of a selective oxidant in the improvement of the catalytic behavior through the oxidative pathway.
Page	1743 - 1748
Full Text	PDF

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