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    CO and C3H8 oxidation activity of Pd/ZnO nanowires/cordierite catalyst
    (Pergamon-Elsevier Science Ltd, 2016) Sen, Mehmet; Emiroglu, A. Osman; Celik, M. Bahattin
    Using nanowires grown on monolith cordierite as catalyst wash-coat is a new concept. ZnO nanowires array has different pore-region diffusion of reactants in the catalyst media because it can have greater effective porosity and average diffusion length scale than traditional catalyst carrier. Also, thickness of ZnO nanowires array is less than conventional wash coat. ZnO nanowires were grown on monolith cordierite channels, and Pd was impregnated on the nanowires. The catalyst structure was characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and atomic absorption spectrometry (AAS). The activity performance of Pd/ZnO nanowires catalyst for C3H8 and CO was examined under lean, stoichiometric and rich conditions. T50 was achieved under stoichiometric condition of gas mixture for C3H8 and CO at 400 degrees C and 235 degrees C, respectively. (C) 2016 Elsevier Ltd. All rights reserved.