Dehydrogenation of ethylbenzene with CO2 over V2O5/Al2O3-ZrO2 catalyst

被引：32
|
作者：
Zhang, Shujiao [1 ]
Li, Xiaohong [1 ]
Jing, Jieying [1 ]
Fan, Hongxia [1 ]
Wang, Qian [1 ]
Li, Wenying [1 ]
机构：
[1] Taiyuan Univ Technol, Key Lab Coal Sci & Technol, Taiyuan 030024, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2013年 / 34卷
关键词：
Ethylbenzene; Dehydrogenation; Carbon dioxide; V2O5/Al2O3-ZrO2; catalyst; CARBON-DIOXIDE; OXIDE CATALYSTS; STYRENE; ALUMINA; CONVERSION; REDUCTION; AMMOXIDATION; MECHANISM; OXIDATION; TOLUENE;
D O I：
10.1016/j.catcom.2013.01.003
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
V-containing catalysts supported on Al2O3, modified with varying amounts of ZrO2, were prepared by impregnation method. Dehydrogenation of ethylbenzene with CO2 was run over these catalysts in a fixed-bed downflow stainless steel reactor. Compared with pure Al2O3 support, a small amount of ZrO2 in the support led to a significant increase in catalytic activity. Partial reduction of vanadium oxides and carbon deposition were the main reasons for the decreased catalytic activity. (C) 2013 Elsevier B.V. All rights reserved.
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页码：5 / 10
页数：6
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