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    Modeling of steam permeation through the high temperature proton-Conducting ceramic membranes

    Access Status
    Fulltext not available
    Authors
    Song, F.
    Zhuang, S.
    Tan, X.
    Liu, Shaomin
    Date
    2019
    Type
    Journal Article
    
    Metadata
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    Citation
    Song, F. and Zhuang, S. and Tan, X. and Liu, S. 2019. Modeling of steam permeation through the high temperature proton-Conducting ceramic membranes. AIChE Journal. 65 (2): pp. 777-782.
    Source Title
    AIChE Journal
    DOI
    10.1002/aic.16468
    ISSN
    0001-1541
    School
    WASM: Minerals, Energy and Chemical Engineering (WASM-MECE)
    URI
    http://hdl.handle.net/20.500.11937/74491
    Collection
    • Curtin Research Publications
    Abstract

    The BaCeO3-based perovskite oxide can be applied as a steam-permeable membrane due to their noticeable mixed oxygen ion and proton conducting properties. In this article, a transient model of the steam permeation through the BaCe0.9Y0.1O3-d perovskite membrane at elevated temperatures has been developed with the Poisson–Nernst–Planck equations for analyzing the steam permeation process, in which the distribution of charged defects in the membrane is carefully considered. The effects of the operating temperature, the membrane thickness, the steam partial pressure, and the electric potential difference between two membrane sides during the steam permeation have been simulated and discussed. The modeling results indicate there exists a maximum value of the spontaneous electric potential difference with the temperature rise and the external electric potential can obviously increase the steam flux. The model is validated using the experimental results from literature under steady state operational conditions. © 2018 American Institute of Chemical Engineers AIChE J, 65: 777–782, 2019.

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