淡江大學機構典藏:Item 987654321/44288
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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/44288


    Title: Constant pressure filtration of submicron particles
    Authors: Lu, Wei-ming;Lai, Chih-cheng;Hwang, Kuo-jen
    Contributors: 淡江大學化學工程與材料工程學系
    Keywords: Filter cake;Submicron particle;Filtration;Solid-liquid separation
    Date: 1995-02-01
    Issue Date: 2010-03-09 10:08:32 (UTC+8)
    Publisher: Elsevier
    Abstract: The mechanism of cake formation in constant pressure filtrations of submicron particles is studied by analysing the forces exerted on the depositing particles. The Brownian dynamic method is used to trace the loci of slurry particles and to simulate the packing structure of submicron particles in filtrations. The major factors affecting the particle packing, such as frictional drag, van der Waals' force, electrostatic force, and Brownian force, etc., are discussed. The most compact cake is found when the frictional drag and Brownian force are of the same order of magnitude. A numerical program is designed to estimate the variations of local cake properties during a course of constant pressure filtration. The calculated results of average cake porosity and average specific filtration resistance agree very well with the experimental data.
    Relation: Separations technology 5(1), pp.45-53
    DOI: 10.1016/0956-9618(94)00106-3
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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