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    Synthesis, characterization, and adsorption properties of magnetic Fe3O4@graphene nanocomposite

    Access Status
    Fulltext not available
    Authors
    Yao, Yunjin.
    Miao, S.
    Liu, Shi Zhen
    Li, Ping
    Sun, Hongqi
    Wang, Shaobin
    Date
    2012
    Type
    Journal Article
    
    Metadata
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    Citation
    Yao, Y. and Miao, S. and Liu, S. and Li, P. and Sun, H. and Wang, S. 2012. Synthesis, characterization, and adsorption properties of magnetic Fe3O4@graphene nanocomposite. Chemical Engineering Journal. 184: pp. 326-332.
    Source Title
    Chemical Engineering Journal
    DOI
    10.1016/j.cej.2011.12.017
    ISSN
    1385-8947
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/35331
    Collection
    • Curtin Research Publications
    Abstract

    This paper reports the synthesis of magnetic Fe3O4@graphene composite (FGC) and utilization in dye removal from aqueous media. The structural, surface, and magnetic characteristics of the nanosized composite were investigated by field emission scanning electron microscopy, transmission electron microscopy, energy-dispersive X-ray spectrometer, powder X-ray diffraction, Fourier transform infrared, and thermogravimetric analysis. Through a chemical deposition method, Fe3O4 nanoparticles in size of 30 nm were homogeneously dispersed onto graphene sheets. Adsorption isotherm and kinetics of methylene blue (MB) and Congo red (CR) onto FGC were studied in a batch system. The maximum adsorption capacities of MB and CR on FGC were found to be 45.27 and 33.66 mg/g, respectively. The second-order kinetic equation could best describe the sorption kinetics. The findings of the present work highlight the facile fabrication of magnetic FGC and application in adsorption and separation.

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