Aqueous phase reforming of xylitol over Pt-Re bimetallic catalyst: Effect of the Re addition

Alexey Kirilin, Anton Tokarev, Haresh Manyar, Chris Hardacre, Tapio Salmi, Jyri-Pekka Mikkola, Dmitry Murzin

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    Abstract

    The aqueous phase reforming (APR) of xylitol was studied in a continuous fixed bed reactor over three catalysts: Pt/Al2O3, Pt/TiO2 and Pt-Re/TiO2. The data obtained in the case of the monometallic Pt catalysts was compared to the bimetallic Pt-Re sample. The effect of Re addition on the catalyst stability, activity, product formation and selectivity toward hydrogen and alkanes was studied. The bimetallic catalyst demonstrated a higher selectivity to alkanes compared to the monometallic samples. The monometallic catalyst was more selective toward hydrogen formation. A plausible reaction scheme explaining differences in selectivity toward hydrogen and alkanes was proposed and discussed.
    Original languageUndefined/Unknown
    Pages (from-to)97–107
    JournalCatalysis Today
    Volume223
    DOIs
    Publication statusPublished - 2014
    MoE publication typeA1 Journal article-refereed

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