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    A simple embedded-seeding method to prepare silicalite-1 membrane on porous α-Al2O3 hollow fibers

    Access Status
    Fulltext not available
    Authors
    Sun, M.
    Wang, X.
    Meng, B.
    Tan, X.
    Liu, Shaomin
    Date
    2017
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Sun, M. and Wang, X. and Meng, B. and Tan, X. and Liu, S. 2017. A simple embedded-seeding method to prepare silicalite-1 membrane on porous α-Al2O3 hollow fibers. Materials Letters. 194: pp. 122-125.
    Source Title
    Materials Letters
    DOI
    10.1016/j.matlet.2017.02.034
    ISSN
    0167-577X
    School
    Department of Chemical Engineering
    URI
    http://hdl.handle.net/20.500.11937/50520
    Collection
    • Curtin Research Publications
    Abstract

    High quality silicalite-1 membrane was successfully synthesized on the external surface of ceramic hollow fibers by a novel embedded-seeding method. The samples were characterized by XRD, SEM and gas permeation test. It is shown that the obtained silicalite-1 membrane was dense and continuous, with a thickness of about 4–5 µm. Specifically, silicalite-1 membrane exhibited high H2 and N2 permeances of 8.3 × 10-6 and 2.4 × 10-6 mol·m-2·s-1·Pa-1 with good H2-N2 perm-selectivity of 3.45. More finger-like pores in the hollow fibers minimized the gas transport resistance through the support, which is one of the reasons that the prepared supported silicalite-1 membrane is highly permeable.

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