Catalytic upgrading of woody biomass derived pyrolysis vapours over iron modified zeolites in a dual-fluidized bed reactor

Atte Aho, Narendra Kumar, AV Lashkul, Kari Eränen, M Ziolek, P Decyk, Tapio Salmi, Bjarne Holmbom, Mikko Hupa, Dmitry Murzin

    Research output: Contribution to journalArticleScientificpeer-review

    144 Citations (Scopus)


    In this paper, the influence of the proton forms of beta, Y and ferrierite zeolites and their iron modified counterparts during upgrading of pine wood pyrolysis vapours under nitrogen atmosphere was investigated. A dual-fluidized bed reactor was used where in the first bed pyrolysis of pine wood occurred, and in the second upgrading of the pyrolysis vapours over zeolites was conducted. The temperature for pyrolysis and upgrading was 400 and 450 degrees C, respectively. De-oxygenation reactions over the proton form and iron modified zeolites increased compared to the non-catalytic pyrolysis. The increased selectivity towards organic compounds through de-oxygenation could be noticed as a higher water yield and CO formation.
    Original languageUndefined/Unknown
    Pages (from-to)1992–2000
    Number of pages9
    Issue number8
    Publication statusPublished - 2010
    MoE publication typeA1 Journal article-refereed


    • biomass
    • fluidized bed reactor
    • iron modification
    • pyrolysis

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