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    Modeling study of oxygen permeation through an electronically short-circuited YSZ-based asymmetric hollow fiber membrane

    Access Status
    Fulltext not available
    Authors
    Jin, Y.
    Meng, X.
    Yang, N.
    Meng, B.
    Sunarso, J.
    Liu, Shaomin
    Date
    2017
    Type
    Journal Article
    
    Metadata
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    Citation
    Jin, Y. and Meng, X. and Yang, N. and Meng, B. and Sunarso, J. and Liu, S. 2017. Modeling study of oxygen permeation through an electronically short-circuited YSZ-based asymmetric hollow fiber membrane. AI Ch E Journal.
    Source Title
    AI Ch E Journal
    DOI
    10.1002/aic.15703
    ISSN
    0001-1541
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/52357
    Collection
    • Curtin Research Publications
    Abstract

    © 2017 American Institute of Chemical Engineers.Here, oxygen fluxes through an electronically short-circuited asymmetric Ag-YSZ|YSZ|LSM-YSZ hollow fiber prepared via a combined spinning and sintering route were tested and correlated to an explicit oxygen permeation model. The average oxygen permeation through such asymmetric hollow fiber with a 27 µm-thick YSZ dense layer reached 0.52 mL (STP) cm-2 min-1 at 1173 K. From the model results, we can obtain the characteristic thickness, the effects of the temperature, and the effect of He sweep gas flow rate to the individual step contribution. The oxygen partial pressure variation in the permeate side, the local oxygen flux, and the three-different resistance distribution along the axial direction of the asymmetric hollow fiber are theoretically studied; providing guidelines to further improve the membrane performance for oxygen separation.

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