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    題名: Constant pressure filtration of submicron particles
    作者: Lu, Wei-ming;Lai, Chih-cheng;Hwang, Kuo-jen
    貢獻者: 淡江大學化學工程與材料工程學系
    關鍵詞: Filter cake;Submicron particle;Filtration;Solid-liquid separation
    日期: 1995-02-01
    上傳時間: 2010-03-09 10:08:32 (UTC+8)
    出版者: Elsevier
    摘要: 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.
    關聯: Separations technology 5(1), pp.45-53
    DOI: 10.1016/0956-9618(94)00106-3
    顯示於類別:[化學工程與材料工程學系暨研究所] 期刊論文

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