Catalytic pyrolysis of biomass in a fluidized bed reactor: Influence of the acidity of H-beta zeolite

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    Abstract

    Catalytic pyrolysis of pine biomass was carried out in a fluidized bed reactor at 450 degrees C. The acidic catalysts used as bed material in the reactor were B-zeolites with varying silica to alumina ratio, thus having different acid strengths. Quartz sand was used as bed material in the non-catalytic experiment. The yield of the different product phases was clearly influenced by the zeolites acidity. The chemical composition of the bio-oil was dependent on the catalyst. Zeolites with stronger acidity formed less organic oil, and respectively more water and polyaromatic hydrocarbons than less acidic zeolites.
    Original languageUndefined/Unknown
    Pages (from-to)473–480
    Number of pages8
    JournalProcess Safety and Environmental Protection
    Volume85
    Issue numberB5
    DOIs
    Publication statusPublished - 2007
    MoE publication typeA1 Journal article-refereed

    Keywords

    • bio-oil
    • biomass
    • fluidized bed reactor
    • pyrolysis
    • zeolites

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