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    Continuous fixed bed adsorption of Cu(II) by halloysite nanotube-alginate hybrid beads: An experimental and modelling study

    Access Status
    Fulltext not available
    Authors
    Wang, Y.
    Zhang, X.
    Wang, Q.
    Zhang, B.
    Liu, Jian
    Date
    2014
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Wang, Y. and Zhang, X. and Wang, Q. and Zhang, B. and Liu, J. 2014. Continuous fixed bed adsorption of Cu(II) by halloysite nanotube-alginate hybrid beads: An experimental and modelling study. Water Science and Technology. 70 (2): pp. 192-199.
    Source Title
    Water Science and Technology
    DOI
    10.2166/wst.2014.148
    ISSN
    0273-1223
    School
    WASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
    URI
    http://hdl.handle.net/20.500.11937/72395
    Collection
    • Curtin Research Publications
    Abstract

    We used natural resources of halloysite nanotubes and alginate to prepare a novel porous adsorption material of organic-inorganic hybrid beads. The adsorption behaviour of Cu(II) onto the hybrid beads was examined by a continuous fixed bed column adsorption experiment. Meanwhile, the factors affecting the adsorption capacity such as bed height, influent concentration and flow rate were investigated. The adsorption capacity (Q0) reached 74.13 mg/g when the initial inlet concentration was 100 mg/L with a bed height of 12 cm and flow rate of 3 ml/min. The Thomas model and beddepth service time fitted well with the experimental data. In the regeneration experiment, the hybrid beads retained high adsorption capacity after three adsorption-desorption cycles. Over the whole study, the new hybrid beads showed excellent adsorption and regeneration properties as well as favourable stability. © IWA Publishing 2014.

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