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    Enhanced Production of Five-Membered Ring Compounds Using a Biochar-Loaded Fe Catalyst: Catalytic Upgrading of Light Bio-Oil

    Access Status
    In process
    Authors
    Lv, S.
    Xu, H.
    Wu, W.
    Yu, Yun
    Yang, J.
    Gao, A.
    Huang, Y.
    Tahir, M.H.
    Ding, K.
    Zhang, S.
    Date
    2025
    Type
    Journal Article
    
    Metadata
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    Citation
    Lv, S. and Xu, H. and Wu, W. and Yu, Y. and Yang, J. and Gao, A. and Huang, Y. et al. 2025. Enhanced Production of Five-Membered Ring Compounds Using a Biochar-Loaded Fe Catalyst: Catalytic Upgrading of Light Bio-Oil. ACS Sustainable Chemistry and Engineering.
    Source Title
    ACS Sustainable Chemistry and Engineering
    DOI
    10.1021/acssuschemeng.5c01547
    Faculty
    Faculty of Science and Engineering
    School
    WASM: Minerals, Energy and Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/97490
    Collection
    • Curtin Research Publications
    Abstract

    The catalytic upgrading of light bio-oil (LB) is essential for enhancing the overall utilization of crude bio-oil. This study presents the synthesis of a biochar-loaded Fe catalyst (Fen-STC) via a simple one-step pyrolysis method and evaluates its performance in the upgrading of LB. The Fe species were primarily loaded onto the biochar carrier in the form of iron oxides (Fe3O4/Fe2O3), which further etched the biochar carrier, resulting in a substantial alteration of its structure and aromaticity. The optimized Fe1.0-STC exhibited a substantial increase in the specific surface area and a uniform distribution of iron oxides. Notably, this catalyst significantly enhanced the selectivity for producing five-membered ring compounds, such as cyclic ketones and furans, achieving a relative abundance of 70.23%, an increase of 87.74% compared to the control group. Further examination of hydroxyacetone and 1-hydroxy-2-butanone as model compounds elucidated the mechanisms underpinning catalytic upgrading, revealing a synergistic effect that facilitated the transformation of linear short-chain ketones into high-value cyclic compounds through aldol condensation, dehydration, and cyclization reactions. These findings suggest that the Fen-STC catalyst is a promising candidate for enhancing the quality of LB.

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