Calorimetric study of methane interaction with supported Pd catalysts |
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Authors: | Perdigón-Melón J. A. Auroux A. Bonnetot B. |
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Affiliation: | (1) Institut de Recherches sur la Catalyse, CNRS, 2, Av. A. Einstein, 69626 Villeurbanne Cedex, France;(2) Laboratoire des Multimatériaux et Interfaces UMR 5615, UCB Lyon I, 69622 Villeurbanne Cedex, France |
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Abstract: | As supported palladium oxide catalysts present the best performances in methane combustion in lean conditions, microcalorimetric studies of the interaction between methane and palladium oxide or metallic palladium supported on Al2O3, ZrO2 and BN have been performed at 673 K. At this temperature methane reduced the palladium oxide, and the heat of reduction of palladium oxide was shown to depend on the dispersion and on the support. The lowest heats of reduction corresponded to the highest rates of methane combustion. Moreover methane reforming occurred on metallic palladium, producing hydrogen, and again methane decomposition was shown to depend on the support. This revised version was published online in July 2006 with corrections to the Cover Date. |
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Keywords: | methane combustion methane decomposition supported palladium catalysts calorimetry |
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