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  • Process intensification of honeycomb fractal micro-reactor for the direct production of lower olefins from syngas

    Author(s)
    Zhang, X
    Zhong, L
    Zeng, G
    Gu, Y
    Peng, C
    Yu, F
    Tang, Z
    Sun, Y
    Griffith University Author(s)
    Tang, Zhiyong
    Year published
    2018
    Metadata
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    Abstract
    Inspired by the nature fractal structure, a novel honeycomb fractal micro-reactor was designed and applied to intensify both heat and mass transfer in the exothermic conversion of syngas to olefins. The results show that the honeycomb fractal micro-reactor provides more even distribution of temperature profiles, a narrower reactant residence time distribution, and relative smaller pressure drop per unit length, compared with parallel straight microchannel reactor and mini-fixed bed reactor under the same reaction conditions. Owning to the reinforcement of flow separation and convergence in the honeycomb structure, the contact ...
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    Inspired by the nature fractal structure, a novel honeycomb fractal micro-reactor was designed and applied to intensify both heat and mass transfer in the exothermic conversion of syngas to olefins. The results show that the honeycomb fractal micro-reactor provides more even distribution of temperature profiles, a narrower reactant residence time distribution, and relative smaller pressure drop per unit length, compared with parallel straight microchannel reactor and mini-fixed bed reactor under the same reaction conditions. Owning to the reinforcement of flow separation and convergence in the honeycomb structure, the contact between reactants and catalyst particles were enhanced, leading to a better heat and mass transfer. Under the current range of temperature, pressure and standard GHSV, the honeycomb fractal micro-reactor leads to supreme CO conversion and lower olefins yield.
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    Journal Title
    Chemical Engineering Journal
    Volume
    351
    DOI
    https://doi.org/10.1016/j.cej.2018.06.078
    Subject
    Chemical engineering
    Civil engineering
    Environmental engineering
    Publication URI
    http://hdl.handle.net/10072/386158
    Collection
    • Journal articles

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