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    3D morphology design for forward osmosis

    246011.pdf (2.702Mb)
    Access Status
    Open access
    Authors
    Shi, M.
    Printsypar, G.
    Duong, P.
    Calo, Victor
    Iliev, O.
    Nunes, S.
    Date
    2016
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Shi, M. and Printsypar, G. and Duong, P. and Calo, V. and Iliev, O. and Nunes, S. 2016. 3D morphology design for forward osmosis. Journal of Membrane Science. 516: pp. 172-184.
    Source Title
    Journal of Membrane Science
    DOI
    10.1016/j.memsci.2016.05.061
    ISSN
    0376-7388
    School
    Department of Applied Geology
    URI
    http://hdl.handle.net/20.500.11937/25162
    Collection
    • Curtin Research Publications
    Abstract

    We propose a multi-scale simulation approach to model forward osmosis (FO) processes using substrates with layered homogeneous morphology. This approach accounts not only for FO setup but also for detailed microstructure of the substrate using the digitally reconstructed morphology. We fabricate a highly porous block copolymer membrane, which has not been explored for FO heretofore, and use it as the substrate for interfacial polymerization. The substrate has three sub-layers, namely a top layer, a sponge-like middle layer, and a nonwoven fabric layer. We generate a digital microstructure for each layer, and verify them with experimental measurements. The permeability and effective diffusivity of each layer are computed based on their virtual microstructures and used for FO operation in cross-flow setups at the macro-scale. The proposed simulation approach predicts accurately the FO experimental data.

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