Catalytic reduction of N2O with CH4 and C3H6 over Ag-Rh/Al2O3 bimetallic catalyst in the presence of oxygen

被引：8
|
作者：
Tzitzios, VK
Georgakilas, V
Angelidis, TN
机构：
[1] Aristotle Univ Thessaloniki, Sch Chem, GR-54124 Thessaloniki, Greece
[2] NCSR Demokritos, Inst Mat Sci, GR-15310 Athens, Greece
来源：
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY | 2005年 / 80卷 / 06期
关键词：
N2O; catalytic reduction; bimetallic Ag-Rh;
D O I：
10.1002/jctb.1253
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
A study of nitrous oxide (N2O) reduction with methane (CH4) and propene (C3H6) in the presence of oxygen (5%) over Ag/Al2O3, Rh/Al2O3 and Ag-Rh/Al2O3 catalysts, with Ag and Rh loadings of 5 wt% and 0.05 wt% respectively, has been performed. From the results, it was observed that the Ag-Rh bimetallic catalyst was the most active for both nitrous oxide removal (more than 95%) and hydrocarbon oxidation. This high activity seems to be connected with a synergistic effect between Ag and Rh. The findings from X-ray diffraction and X-ray photoelectron spectroscopy studies showed also, that there were no strong interactions (eg alloying) between Ag and Rh. (c) 2005 Society of Chemical Industry.
引用
收藏
页码：699 / 704
页数：6
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