Partial oxidation of methane over rhodium catalysts for power generation applications

被引：20
|
作者：
Eriksson, S [1 ]
Nilsson, M [1 ]
Boutonnet, M [1 ]
Järås, S [1 ]
机构：
[1] Royal Inst Technol, KTH, Dept Chem Engn & Technol, SE-10044 Stockholm, Sweden
来源：
CATALYSIS TODAY | 2005年 / 100卷 / 3-4期
关键词：
catalytic combustion; partial oxidation of methane; rhodium catalysts; ceria;
D O I：
10.1016/j.cattod.2004.09.077
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The partial oxidation of methane (POM) to syngas, i.e. H-2 and CO, over supported Rh catalysts was investigated at atmospheric pressure. The influence of support material, Rh loading and the presence of water vapor on the methane conversion efficiency and the product gas composition was studied. The catalysts containing ceria in the support material showed the highest activity and formation of H2 and CO. By increasing the Rh loading, a decrease of the ignition temperature was obtained. The addition of water vapor to the reactant gas mixture was found to increase the ignition temperature and the formation of hydrogen, which is favorable for combustion applications where the catalytic POM stage is followed by H-2-stabilized homogeneous combustion. (c) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：447 / 451
页数：5
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