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    Mixed-Conducting Oxygen Permeable Ceramic Membrane and its Application in the Production of Synthesis Gas

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    Jiang_ku_0099D_10903_DATA_1.pdf (7.451Mb)
    Issue Date
    2010-04-28
    Author
    Jiang, Qiying
    Publisher
    University of Kansas
    Format
    164 pages
    Type
    Dissertation
    Degree Level
    Ph.D.
    Discipline
    Chemical & Petroleum Engineering
    Rights
    This item is protected by copyright and unless otherwise specified the copyright of this thesis/dissertation is held by the author.
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    Abstract
    This study detailedly investigated the effects of the preparation parameters on the performance of Ba0.5Sr0.5Co0.8Fe0.2Ox (BSCF) membranes. In addition, the dominant step of the oxygen permeation through the BSCF membrane was determined. The results show that bulk diffusion dominates the oxygen permeation. According to the analysis of the dominant step, a BSCF membrane with asymmetric geometry was fabricated using the dry-pressing method. The BSCF asymmetric membrane exhibits higher oxygen flux than the dense membrane. The reaction performance of BSCF asymmetric membranes in the production of synthesis gas (the partial oxidation and CO2 reforming of CH4) was studied, in which the role of the membranes in the reactions was investigated. The results show that BSCF asymmetric membranes maintained good integrity and stability in the reactions. The oxygen flux of BSCF asymmetric membrane was further increased when the membrane was exposed to the reaction.
    URI
    http://hdl.handle.net/1808/6293
    Collections
    • Engineering Dissertations and Theses [1055]
    • Dissertations [4473]

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    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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