Supported vanadia catalysts for dehydrogenation of ethylbenzene with CO2

被引：16
|
作者：
Li, XH [1 ]
Li, WY [1 ]
Xie, KC [1 ]
机构：
[1] Taiyuan Univ Technol, Key Lab Coal Sci & Technol, Minist Educ & Shanxi Prov, Taiyuan 030024, Peoples R China
来源：
CATALYSIS LETTERS | 2005年 / 105卷 / 3-4期
基金：
中国国家自然科学基金;
关键词：
dehydrogenation; ethylbenzene; styrene; carbon dioxide; supported catalyst;
D O I：
10.1007/s10562-005-8694-5
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：
Alumina supported vanadia catalysts (V/Al) for selective oxidehydrogenation of ethylbenzene with CO2 were prepared by impregnation method. During preparation the effect of promoters and calcined temperature was investigated, it was found these two items had a strong influence on the activity of V/Al catalysts. Dehydrogenation reaction with CO2 was happened in the fixed-bed reactor at 450 degrees C. Results showed that 15.2% ethylbenzene conversion and 99.2% styrene selectivity were acquired when V2K/Al catalyst was used.
引用
收藏
页码：223 / 227
页数：5
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