Effect of carbon dioxide as oxidant in dehydrogenation of ethylbenzene over alumina-supported vanadium-antimony oxide catalyst

被引：12
|
作者：
Hong, DY
Chang, JS [1 ]
Lee, JH
Vislovskiy, VP
Jhung, SH
Park, SE
Park, YH
机构：
[1] Inha Univ, Dept Chem, Seoul 402751, South Korea
[2] KRICT, Catalysis Ctr Mol Engn, Taejon 305600, South Korea
[3] Hanyang Univ, Dept Chem Engn, Seoul 133791, South Korea
来源：
CATALYSIS TODAY | 2006年 / 112卷 / 1-4期
关键词：
carbon dioxide; oxidant; dehydrogenation; ethylbenzene; styrene; supported vanadium-antimony oxide catalyst;
D O I：
10.1016/j.cattod.2005.11.038
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
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 CO2 gave the highest styrene yield (up to 82%) and styrene selectivity (up to 97%) along with stable catalytic performance. Carbon dioxide plays a beneficial role as a selective oxidant in improving the catalytic behavior through the oxidative pathway. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：86 / 88
页数：3
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