Aqueous-phase reforming of xylitol over Pt/C and Pt/TiC-CDC catalysts: catalyst characterization and catalytic performance

Alexey Kirilin, Benjamin Hasse, Anton Tokarev, Leonid M. Kustov, Galina N. Baeva, Galina O. Bragina, Aleksandr Yu. Stakheev, Anne-Riikka Rautio, Tapio Salmi, Bastian J. M. Etzold, Jyri-Pekka Mikkola, Dmitry Murzin

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    Abstract

    The aqueous phase reforming (APR) of xylitol was studied over five Pt/C catalysts. The correlation between physico-chemical properties of the catalysts and catalytic performance was established. The Pt/C catalysts have different textural properties as well as different mean Pt cluster sizes and surface acidity. The average Pt cluster size was investigated by means of CO chemisorption as well as by TEM. The reaction was found to be structure sensitive and TOF linearly increases with increasing average Pt cluster size in the studied domain. The catalysts which possess higher surface acidity favoured higher rates of hydrocarbon production. On the contrary the Pt/C materials with lower acidities generated hydrogen with high selectivity and TOF.
    Original languageUndefined/Unknown
    Pages (from-to)387–401
    JournalCatalysis Science and Technology
    Volume4
    Issue number2
    DOIs
    Publication statusPublished - 2014
    MoE publication typeA1 Journal article-refereed

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