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

被引：0
|
作者：
S. Parres-Esclapez
F. E. López-Suárez
A. Bueno-López
M. J. Illán-Gómez
B. Ura
J. Trawczynski
机构：
[1] University of Alicante,Inorganic Chemistry Department
[2] Wroclaw University of Technology,Division of Chemistry of Technology Fuels
来源：
Topics in Catalysis | 2009年 / 52卷
关键词：
N; O decomposition; Rhodium catalyst; Greenhouse gas; Alkali–earth metal; Noble metal;
D O I：
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学科分类号：
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% O2/He (GHSV = 10,000 h−1). Different techniques have been used for catalysts characterization: TEM, SEM-EDX, XRD, N2 adsorption at −196 °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 O2 (100% decomposition at 350 °C).
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