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    Facile one-pot synthesis of novel spherical zeolite-reduced graphene oxide composites for cationic dye adsorption

    Access Status
    Fulltext not available
    Authors
    Zhu, J.
    Wang, Y.
    Liu, Jian
    Zhang, Y.
    Date
    2014
    Type
    Journal Article
    
    Metadata
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    Citation
    Zhu, J. and Wang, Y. and Liu, J. and Zhang, Y. 2014. Facile one-pot synthesis of novel spherical zeolite-reduced graphene oxide composites for cationic dye adsorption. Industrial and Engineering Chemistry Research. 53 (35): pp. 13711-13717.
    Source Title
    Industrial and Engineering Chemistry Research
    DOI
    10.1021/ie502030w
    ISSN
    0888-5885
    School
    WASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
    URI
    http://hdl.handle.net/20.500.11937/72225
    Collection
    • Curtin Research Publications
    Abstract

    Zeolite-reduced graphene oxide (zeolite-rGO) composites were first fabricated from halloysite nanotubes (HNTs) by blending with GO via a hydrothermal reaction and then were used as an effective adsorbent for the removal of cationic dyes (methylene blue and malachite green). Zeolite-rGO was presented as having spherical structure with the diameter of 2-2.5 µm. The adsorption behavior of the two cationic dyes was affected by equilibrium time, pH, etc. Additionally, the most appropriate adsorption process of dyes was well-fitted to Langmuir models. It was found that adsorption of dyes was favorable and the maximum adsorption capacity of methylene blue reached 53.3 mg g-1 (48.6 mg g-1 for malachite green). The superior behavior of zeolite-rGO for cationic dye removal from an aqueous solution should be amenable to potential water treatment applications in consideration of zeolite-rGO's low-cost, abundance in clay minerals, and favorable adsorption processes. © 2014 American Chemical Society.

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