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    Activated carbon supported cobalt catalysts for advanced oxidation of organic contaminants in aqueous solution

    Access Status
    Fulltext not available
    Authors
    Shukla, Pradeep
    Wang, Shaobin
    Sun, Hongqi
    Ang, Ming
    Tade, Moses
    Date
    2010
    Type
    Journal Article
    
    Metadata
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    Citation
    Shukla, P. and Wang, S. and Sun, H. and Ang, M. and Tade, M. 2010. Activated carbon supported cobalt catalysts for advanced oxidation of organic contaminants in aqueous solution. Applied Catalysis B: Environmental. 100 (3-4): pp. 529-534.
    Source Title
    Applied Catalysis B: Environmental
    DOI
    10.1016/j.apcatb.2010.09.006
    ISSN
    09263373
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/7978
    Collection
    • Curtin Research Publications
    Abstract

    A heterogeneous cobalt catalyst was prepared by impregnation of cobalt ion on an activated carbon (AC) and used to activate peroxymonosulphate (PMS) for advanced oxidation of phenol in aqueous solution. The Co/AC catalyst was characterised by several techniques such as XRD, EDS, SEM, and TGA. It was found that Co2O3 was the major form of Co species and was homogeneously distributed on the activated carbon surface. Co/AC exhibited high activity in oxidation of phenol with sulphate radicals and 100% decomposition and 80% TOC removal could be achieved in 60 min at the conditions of 500 ml phenol solution of 25 ppm, 0.1 g catalyst and 1 g peroxymonosulphate. The catalyst also exhibited stable performance after several rounds of regeneration. Several operational parameters such as catalyst and oxidant amount, temperature on the rate of oxidation were found to influence the phenol oxidation.

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