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

✍ Scribed by VK Tzitzios; V Georgakilas; TN Angelidis

Publisher: Wiley (John Wiley & Sons)
Year: 2005
Tongue: English
Weight: 136 KB
Volume: 80
Category: Article
ISSN: 0268-2575
DOI: 10.1002/jctb.1253

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✦ Synopsis

Abstract

A study of nitrous oxide (N~2~O) reduction with methane (CH~4~) and propene (C~3~H~6~) in the presence of oxygen (5%) over Ag/Al~2~O~3~, Rh/Al~2~O~3~ and Ag–Rh/Al~2~O~3~ 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. Copyright © 2005 Society of Chemical Industry

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