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    Preparation and characterization of modified graphene oxide/polyethersulfone positively charged hybrid nanofiltration membrane

    Access Status
    Fulltext not available
    Authors
    Yu, L.
    Zhang, Y.
    Liu, Jian
    Date
    2014
    Type
    Journal Article
    
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    Citation
    Yu, L. and Zhang, Y. and Liu, J. 2014. Preparation and characterization of modified graphene oxide/polyethersulfone positively charged hybrid nanofiltration membrane. Gaodeng Xuexiao Huaxue Xuebao/Chemical Journal of Chinese Universities. 35 (5): pp. 1100-1105.
    Source Title
    Gaodeng Xuexiao Huaxue Xuebao/Chemical Journal of Chinese Universities
    DOI
    10.7503/cjcu20130962
    ISSN
    0251-0790
    School
    WASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
    URI
    http://hdl.handle.net/20.500.11937/71976
    Collection
    • Curtin Research Publications
    Abstract

    Graphene oxide (GO) has received tremendous attention thanks to its unique two-dimensional feature, fantastic mechanical and chemical properties. In this paper, GO was fabricated and then was modified by chitosan. After the quaternization of modified GO, the positively charged material was used as inorganic additive to prepare polyethersulfone (PES) hybrid nanofiltration membrane with phase inversion method using N, N-dimethylacetamide (DMAc) as solvent, polyvinylpyrrolidone (PVP) as pore-forming agent. The effect of modified GO content on the separating property of hybrid membranes was investigated. The results suggested that the positively charged nanofiltration membranes were prepared successfully without the changes of morphology. With the increase of modified GO content, the water flux and separation selectivity of hybrid membranes were improved significantly and it was proposed that the best additive quantity of modified GO was round 0.5% (mass fraction).

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