Catalytic combustion of methane over Pd/SBA-15/Al2O3/FeCrAl catalysts

被引：0
作者：
Yin, Fengxiang [1 ]
Ji, Shengfu [1 ]
Zhao, Fuzhen [1 ]
Zhou, Zhongliang [1 ]
Li, Chengyue [1 ]
机构：
[1] Beijing Inst Chem Technol, State Key Lab Chem Resource Engn, Beijing 100029, Peoples R China
来源：
NATURAL GAS CONVERSION VIII, PROCEEDINGS OF THE 8TH NATURAL GAS CONVERSION SYMPOSIUM | 2007年 / 167卷
关键词：
Pd; SBA-15; FeCrAl; catalytic combustion; methane;
D O I：
暂无
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：
A series of Pd/SBA-15 with different Pd loadings and 0.5%Pd/SBA-15/Al2O3/FeCrAl as well as 0.5%Pd/5%Ce1-xZrxO2/SBA-15/Al2O3/FeCrAl (x=0, 0.5, 1) catalysts were prepared and characterized. Their catalytic activity and stability for combustion of methane were investigated. The results showed that Pd/SBA-15 catalysts exhibited an excellent activity, and methane could be combusted completely below 400 degrees C. The 0.5%Pd/SBA-15/Al2O3/FeCrAl monolithic catalyst showed a good activity. The activity of 0.5%Pd/5%Ce1-xZrxO2/SBA-15/Al2O3/FeCrAl monolithic catalysts was enhanced due to the addition of Ce1-xZrxO2, and the activity increased with Zr content increasing. The 0.5%Pd/SBA-15 catalyst exhibited a rapid deactivation. However, the 0.5%Pd/SBA-15/Al2O3/FeCrAl catalyst and 0.5%Pd/5%Ce1-xZrxO2/SBA-15/Al2O3/FeCrAl catalyst were more stable than 0.5%Pd/SBA-15 catalyst. The monolithic catalysts still had a well-defined hexagonal pore structure of SBA-15 when supported on FeCrAl supports.
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页码：1 / 6
页数：6
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