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    Effects of water and alcohols on the polymerization of furan during its acid-catalyzed conversion into benzofuran

    Access Status
    Open access via publisher
    Authors
    Hu, Xun
    Jiang, S.
    Kadarwati, S.
    Dong, Dehua
    Li, Chun-Zhu
    Date
    2016
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Hu, X. and Jiang, S. and Kadarwati, S. and Dong, D. and Li, C. 2016. Effects of water and alcohols on the polymerization of furan during its acid-catalyzed conversion into benzofuran. RSC Advances. 6 (46): pp. 40489-40501.
    Source Title
    RSC Advances
    DOI
    10.1039/c6ra04745a
    School
    Fuels and Energy Technology Institute
    URI
    http://hdl.handle.net/20.500.11937/27749
    Collection
    • Curtin Research Publications
    Abstract

    Furan, an important product from catalytic pyrolysis of biomass, has the potential to be further converted into value-added chemicals or biofuels. This study investigated the conversion of furan into benzofuran over a Brønsted acid catalyst (Amberlyst 70) at 140-190°C in various solvents. With water as the solvent, furan could barely make its way to benzofuran as its polymerization dominated. With methanol as the solvent, the polymerization of furan was suppressed and benzofuran formation was enhanced substantially. This is because in methanol, the reactive intermediates (i.e., aldehydes) were stabilized and their involvement in polymerization reactions was suppressed. Other alcohols showed similar effects on suppressing polymerization. In dimethyl sulfoxide (DMSO), the polymerization of furan was also effectively suppressed. However, furan was not converted to benzofuran but to levulinic acid via a distinct reaction route.

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