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    Carbon microspheres supported cobalt catalysts for phenol oxidation with peroxymonosulfate

    Access Status
    Fulltext not available
    Authors
    Zhou, Guanliang
    Sun, Hongqi
    Ang, Ming
    Tade, Moses
    Wang, Shaobin
    Date
    2014
    Type
    Conference Paper
    
    Metadata
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    Citation
    Zhou, G. and Sun, H. and Ang, M. and Tade, M. and Wang, S. 2014. Carbon microspheres supported cobalt catalysts for phenol oxidation with peroxymonosulfate, in Proceedings of CHEMECA 2014, Sep 28- Oct 1 2014. Perth, Western Australia: CHEMECA.
    Source Title
    Proceedings of CHEMECA 2014
    Source Conference
    CHEMECA 2014
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/24920
    Collection
    • Curtin Research Publications
    Abstract

    In this paper, we report an in-situ method for one-pot synthesis of carbon microspheres supported cobalt catalysts (Co/CMS) by a hydrothermal process, followed by calcination at 300, 400 and 500 oC, respectively. Cobalt would distribute three-dimensionally in the spheres. Many characterization techniques, such as XRD, SEM, EDS and elemental mapping were applied to investigate the physicochemical properties of the supported catalysts. The catalytic activities were evaluated by decomposition of 20 ppm phenol solutions with sulfate radicals. It was found that the Co/CMS catalysts were able to efficiently decompose phenol by activation of PMS. Co/CMS-300, 400 and 500 can completely decompose 20 ppm phenol in 15, 5 and 10 min, respectively. Kinetics studies were carried out to investigate the effects of catalyst loading, PMS amount, and reaction temperature on phenol degradation efficiency. Deactivation and regeneration were also discussed.

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