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    Preparation and oxygen permeation properties of SrCo0.9Nb0.1O3-d hollow fibre membranes

    Access Status
    Fulltext not available
    Authors
    Meng, B.
    Wang, Z.
    Liu, Y.
    Tan, X.
    da Costa, J.
    Liu, Shaomin
    Date
    2011
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Meng, Bo and Wang, Zhigang and Liu, Yuying and Tan, Xiaoyao and da Costa, Joao C. Diniz and Liu, Shaomin. 2011. Preparation and oxygen permeation properties of SrCo0.9Nb0.1O3-δ hollow fibre membranes. Separation and Purification Technology. 78: pp. 175-180.
    Source Title
    Separation and Purification Technology
    DOI
    10.1016/j.seppur.2011.01.043
    ISSN
    13835866
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/31107
    Collection
    • Curtin Research Publications
    Abstract

    Ultrafine SrCo0.9Nb0.1O3− δ (SCNb) perovskite powders were synthesized by a modified Pechini method using EDTA and citrate acid as chelating agents. Dense SCNb hollow fibre membranes with an asymmetric structure were fabricated via a phase inversion and sintering technique. Oxygen permeation fluxes through the obtained hollow fibre membranes were measured in the temperature range of 500–900 °C under air/helium gradients. The results indicated that the oxygen permeation flux through the SCNb hollow fibre membrane was approximately 9.30mmol m−2 s−1 at 650 °C when the air feed and the helium sweeping rates were 74.4 µmol s−1 and 44.6 µmol s−1, respectively. The SCNb hollow fibre membranes showed a stable oxygen permeation flux over 240 h at 900 °C with a maximum value reaching 38.10mmolm−2 s−1 comparing favorable to the performance of other perovskite membranes.

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