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N2O decomposition on an oxidized Rh catalyst (unsupported) has been studied using a tracer technique in order to reveal the reaction mechanism. N216O was pulsed onto an 18O/oxidized Rh catalyst at 493 K and desorbed O2 molecules were monitored. The 18O fraction in the desorbed oxygen had the same value as that on the surface oxygen. The result shows that the oxygen molecules do not desorb via the...
Simultaneous catalytic removal of N2O and CH4 as the strong greenhouse‐effect gases was found to be possible over an Fe‐ion‐exchanged BEA zeolite (Fe‐BEA) by the selective catalytic reduction (SCR) of N2O with CH4. The direct decomposition of N2O (2N2O → 2N2 + O2) and the oxidation of CH4 (CH4 + 2O2 → CO2 + 2H2O) over Fe‐BEA zeolite required high temperature above 400 and 450 °C, respectively. Nevertheless,...
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