Rh-Sr/Al2O3 Catalyst for N2O Decomposition in the Presence of O2

被引：24
|
作者：
Parres-Esclapez, S. [1 ]
Lopez-Suarez, F. E. [1 ]
Bueno-Lopez, A. [1 ]
Illan-Gomez, M. J. [1 ]
Ura, B. [2 ]
Trawczynski, J. [2 ]
机构：
[1] Univ Alicante, Dept Inorgan Chem, E-03080 Alicante, Spain
[2] Wroclaw Univ Technol, Div Chem Technol Fuels, PL-50370 Wroclaw, Poland
来源：
TOPICS IN CATALYSIS | 2009年 / 52卷 / 13-20期
关键词：
N2O decomposition; Rhodium catalyst; Greenhouse gas; Alkali-earth metal; Noble metal;
D O I：
10.1007/s11244-009-9353-7
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The improving effect of Sr in the catalytic activity of Rh for N2O decomposition has been studied under 1,000 ppm N2O/He and 1,000 ppm N2O/5% O-2/He (GHSV = 10,000 h(-1)). Different techniques have been used for catalysts characterization: TEM, SEM-EDX, XRD, N-2 adsorption at -196 degrees C and in situ XPS. Sr favours the Rh dispersion and reduction under reaction conditions, and allows the low temperature removal of N2O in the presence of O-2 (100% decomposition at 350 degrees C).
引用
收藏
页码：1832 / 1836
页数：5
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