Characterization and activity of V2O5/CeO2-MgO catalyst in the dehydrogenation of ethylbenzene to styrene

被引：0
|
作者：
Van-Khoa Nguyen
Jung-Hyun Park
Chae-Ho Shin
机构：
[1] Chungbuk National University,Department of Chemical Engineering
[2] Institute of Chemical Technology,undefined
[3] VAST,undefined
来源：
Korean Journal of Chemical Engineering | 2014年 / 31卷
关键词：
Ethylbenzene; Dehydrogenation; Vanadia; Ceria; Magnesia;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Supported vanadia catalyst was impregnated on CeO2-MgO and characterized by N2 adsorption, XRD, XPS, TPR and solid NMR. The vanadia species dispersed well on the support surface with vanadia content up to 10 wt%. At higher vanadia content, the non-active Mg3(VO4)2 was formed. Vanadium oxides existing on the support surface as tetrahedral vanadium were observed. An ethylbenzene conversion of 43% and styrene selectivity of 91% were obtained with the 10V2O5/CeO2-MgO catalyst.
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页码：582 / 586
页数：4
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