Roles of palladium and platinum in the selective catalytic reduction of nitrogen oxides by methane on palladium-platinum-loaded sulfated zirconia

被引：36
|
作者：
Ohtsuka, H [1 ]
Tabata, T [1 ]
机构：
[1] Osaka Gas Co Ltd, Dept Res & Dev, Konohana Ku, Osaka 5540051, Japan
来源：
APPLIED CATALYSIS B-ENVIRONMENTAL | 2001年 / 29卷 / 03期
关键词：
NOx reduction; palladium; platinum; sulfated zirconia; methane;
D O I：
10.1016/S0926-3373(00)00201-0
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：
The selective reduction of nitrogen oxides by methane on Pd-Pt/sulfated zirconia (SZ) was investigated. The activity of Pd-Pt/SZ was noticeably higher than that of either Pd/SZ or Pt/SZ. The cooperative effect of Pd and Pt, Pd acting as sites for the reaction of NO2 with methane and Pt catalyzing NO oxidation to NO2, was suggested. The addition of Pt to Pd/MOR showed a similar improvement, but the effect was much more prominent for Pd/SZ. (C) 2001 Elsevier Science B.V. All rights reserved.
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页码：177 / 183
页数：7
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