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Catalytic reduction of N 2 O with CH 4 and C 3 H 6 over Ag–Rh/Al 2 O 3 bimetallic catalyst in the presence of oxygen
Author(s) -
Tzitzios VK,
Georgakilas V,
Angelidis TN
Publication year - 2005
Publication title -
journal of chemical technology and biotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.64
H-Index - 117
eISSN - 1097-4660
pISSN - 0268-2575
DOI - 10.1002/jctb.1253
Subject(s) - propene , catalysis , bimetallic strip , x ray photoelectron spectroscopy , oxide , nitrous oxide , chemistry , hydrocarbon , inorganic chemistry , oxygen , methane , nuclear chemistry , organic chemistry , physics , nuclear magnetic resonance
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