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    Upgrading of bio-oil into advanced biofuels and chemicals. Part II. Importance of holdup of heavy species during the hydrotreatment of bio-oil in a continuous packed-bed catalytic reactor

    Access Status
    Fulltext not available
    Authors
    Chaiwat, Weerawut
    Gunawan, Richard
    Gholizadeh, Mortaza
    Li, Xiang
    Lievens, Caroline
    Hu, Xun
    Wang, Yi
    Mourant, Daniel
    Rossiter, Angelina
    Bromly, John
    Li, Chun-Zhu
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Chaiwat, Weerawut and Gunawan, Richard and Gholizadeh, Mortaza and Li, Xiang and Lievens, Caroline and Hu, Xun and Wang, Yi and Mourant, Daniel and Rossiter, Angelina and Bromly, John and Li, Chun-Zhu. 2013. Upgrading of bio-oil into advanced biofuels and chemicals. Part II. Importance of holdup of heavy species during the hydrotreatment of bio-oil in a continuous packed-bed catalytic reactor. Fuel. 112: pp. 302-310.
    Source Title
    Fuel
    DOI
    10.1016/j.fuel.2013.05.004
    ISSN
    0016-2361
    URI
    http://hdl.handle.net/20.500.11937/37027
    Collection
    • Curtin Research Publications
    Abstract

    This study has investigated the observed product distribution as a function of temperature and liquid hourly space velocity (LHSV) from the continuous hydrotreatment of pyrolysis bio-oil in a packed-bed catalytic reactor using a Pd/C catalyst. Our results show that, at a constant overall LHSV value, the time required to achieve a steady state formation rate varies widely among the various species in the raw bio-oil and hydrotreated product. Due to the complexity of bio-oil composition, LHSV is not an accurate parameter to evaluate the residence time of various species in a continuous catalytic reactor. The holdup of heavy species in the catalyst must have occupied some active sites while the heavy compounds were slowly hydrogenated. This caused the active sites to be unavailable for other reactions during the continuous hydrotreatment.

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