Origin of transient species present on the surface of a PdO/gamma-Al2O3 catalyst during the methane combustion reaction
(2006) Catalysis Today — Vol. 112, n° 1-4, p. 153-156 (2006)
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- Operando DRIFTS was applied to the study of the evolution of surface species formed on a Pd (2 wt.%)/gamma-Al2O3 catalyst in various conditions. No differences were observed as a function of the initial oxidation state of palladium. Formates/carbonates species were identified at low temperature (< 400 degrees C) and disappeared when CO2 production started. These species come from the Pd-catalyzed interaction of CO with the alumina support, while CO2 induces hydrogenocarbonates formation at low temperature (< 300 degrees C). Their presence does not explain the inhibiting effect of CO2 observed in CCM on Pd/gamma-Al2O3 catalysts. (c) 2005 Elsevier B.V All rights reserved.
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Demoulin, O., Navez, M., & Ruiz, P. (2006). Origin of transient species present on the surface of a PdO/gamma-Al2O3 catalyst during the methane combustion reaction. Catalysis Today, 112(1-4), 153-156. https://doi.org/10.1016/j.cattod.2005.11.033 (Original work published 2006)