Influence of the catalyst composition in the oxidative dehydrogenation of 1-butene over BiVxMo1-x oxide catalysts

被引：20

作者：

Park, Jung-Hyun ^{[1
]}

Shin, Chae-Ho ^{[1
]}

机构：

[1] Chungbuk Natl Univ, Dept Chem Engn, Cheongju 361763, South Korea

来源：

APPLIED CATALYSIS A-GENERAL | 2015年 / 495卷

关键词：

BiVxMo1-x oxide catalyst; Catalyst composition; 1,3-Butadiene; Temperature-programmed re-oxidation; Oxygen mobility; BISMUTH MOLYBDATE CATALYSTS; N-BUTENE; SELECTIVE OXIDATION; 1,3-BUTADIENE; OXYGEN; TEMPERATURE; PROPYLENE; BUTANE; BIVO4; AMMOXIDATION;

D O I：

10.1016/j.apcata.2014.10.063

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：

BiVxMo1-x oxide catalysts with varying compositions were investigated in the oxidative dehydrogenation (ODH) of 1-butene to 1,3-butadiene (BD). Notably, incorporation of vanadium in the Bi-Mo oxide significantly enhanced the catalytic performance in the ODH of 1-butene. Among the tested catalysts, the BiV0.6Mo0.4 oxide catalyst exhibited superior oxygen mobility in temperature-programmed re-oxidation experiments, revealed the facile desorption of adsorbed BD species in the temperature-programmed desorption of 1-butene, and displayed the highest performance (72.2% conversion of 1-butene and 64.0% yield in BD) in the ODH of 1-butene. Moreover, the performance of the tested catalysts decreased in the following order BiV0.6Mo0.4 > BiV0.4Mo0.6 > BiV0.8Mo0.2 > BiV0.2Mo0.8 > BiMo > BiV. In addition, the BiV0.6Mo0.4 oxide catalyst displayed stable performance over 85 hand its excellent catalytic ability makes it economically viable. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：1 / 7

页数：7

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