Oxidative coupling of methane catalyzed by Li, Na and Mg doped BaSrTiO3

被引：38
|
作者：
Fakhroueian, Z. [1 ]
Farzaneh, F. [1 ]
Afrookhteh, N. [1 ]
机构：
[1] Univ Alzahra, Dept Chem, Tehran, Iran
来源：
FUEL | 2008年 / 87卷 / 12期
关键词：
BaSrTiO3; oxidative coupling of methane; doping; perovskite;
D O I：
10.1016/j.fuel.2008.02.010
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The XBaSrTiO3 (X = Li, Na, Mg) with perovskite structure was prepared by impregnation of LiCl, NaCl or MgCl2 solution on BaSrTiO3 (BST) surface. The products were characterized with XRD, SEM, UV, FT-IR and Raman spectroscopy. Determination of band gap, conduction and basicity of the prepared catalysts revealed that NaBST exhibits the lowest band gap and the most conduction and basicity. The catalytic performances of XBSTs for the oxidative coupling of methane (OCM) in a tubular continuous flow reactor were evaluated. The NaBST showed the maximum catalytic effect on methane conversion (47%), C2+ selectivity (51%) and ethylene yield (24%) at the temperature of 800 degrees C. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：2512 / 2516
页数：5
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