A survey of catalysts for aromatics from fast pyrolysis of biomass

Shantanu Kelkar, Christopher M. Saffron, Kevin Andreassi, Zhenglong Li, Ambareesh Murkute, Dennis J. Miller, Thomas J. Pinnavaia, Robert M. Kriegel

    Research output: Research - peer-reviewArticle

    • 20 Citations

    Abstract

    A comparative evaluation of ten catalysts for biomass pyrolysis was performed using poplar (DN-34) as the feedstock. Five of the catalysts consisted of HZSM-5 with different silica:alumina ratios (SAR, 23, 30, 55, 80 and 280). The other five catalysts were sulfated zirconia (SO42- ZrO2), 20% SO42- ZrO2 dispersed on a mesoporous MCM-41 silica support, Al-MSU-S alumnosilicate exhibiting a foam-like mesopore structure, Al-MSU-S aluminosilicate exhibiting wormhole mesopores, and a bauxite waste product known as red mud. Analytical pyrolysis in tandem with GC/MS showed that all of the catalysts except for HZSM-5 resulted in low aromatic chemical production. Highly acidic sulfated zirconia catalysts were not selective to aromatics and produced significant coke and non-condensable gases. Mesoporous MSU-S catalysts exhibiting high pore volume and acidity also gave high gas and coke yields. Among the HZSM-5 catalysts evaluated, those with the lowest SAR provided the highest yields of total aromatics and the lowest levels of undesired coke.

    LanguageEnglish (US)
    Pages85-95
    Number of pages11
    JournalApplied Catalysis B: Environmental
    Volume174-175
    DOIs
    StatePublished - Sep 1 2015

    Profile

    pyrolysis
    catalyst
    biomass
    Biomass
    Pyrolysis
    Catalysts
    coke
    Coke
    synthetic aperture radar
    silica
    gas
    Aluminum Oxide
    Silicon Dioxide
    Gases
    zirconium oxide
    Zirconia
    Silica
    bauxite
    aluminosilicate
    foam

    Keywords

    • Catalyst
    • Mesoporous
    • Pyrolysis
    • Red mud
    • Zeolite
    • Zirconia

    ASJC Scopus subject areas

    • Catalysis
    • Process Chemistry and Technology
    • Environmental Science(all)

    Cite this

    A survey of catalysts for aromatics from fast pyrolysis of biomass. / Kelkar, Shantanu; Saffron, Christopher M.; Andreassi, Kevin; Li, Zhenglong; Murkute, Ambareesh; Miller, Dennis J.; Pinnavaia, Thomas J.; Kriegel, Robert M.

    In: Applied Catalysis B: Environmental, Vol. 174-175, 01.09.2015, p. 85-95.

    Research output: Research - peer-reviewArticle

    Kelkar, S, Saffron, CM, Andreassi, K, Li, Z, Murkute, A, Miller, DJ, Pinnavaia, TJ & Kriegel, RM 2015, 'A survey of catalysts for aromatics from fast pyrolysis of biomass' Applied Catalysis B: Environmental, vol 174-175, pp. 85-95. DOI: 10.1016/j.apcatb.2015.02.020
    Kelkar, Shantanu ; Saffron, Christopher M. ; Andreassi, Kevin ; Li, Zhenglong ; Murkute, Ambareesh ; Miller, Dennis J. ; Pinnavaia, Thomas J. ; Kriegel, Robert M./ A survey of catalysts for aromatics from fast pyrolysis of biomass. In: Applied Catalysis B: Environmental. 2015 ; Vol. 174-175. pp. 85-95
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