淡江大學機構典藏:Item 987654321/44173
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/44173


    Title: Crossflow microfiltration of mono-dispersed deformable particle suspension
    Authors: Lu, Wei-ming;Tung, Kuo-lun;Pan, Chun-hsi;黃國楨;Hwang, Kuo-jen
    Contributors: 淡江大學化學工程與材料工程學系
    Keywords: Deformable particle;Crossflow microfiltration;Particle deposition;Hydrodynamic analysis;Bio-separation
    Date: 2002-04
    Issue Date: 2010-03-09 10:00:29 (UTC+8)
    Publisher: Elsevier
    Abstract: Crossflow microfiltration of mono-dispersed deformable particles of Saccharomyces cerevisiae and Ca-alginate, and rigid PMMA particles was conducted to compare the structure of the flux-limiting layer. The effects of particle deformation due to the frictional drag and mass of the cake, and the area contact among particles on the reduction of porosity were examined to determine how these variations lead to an increase in filtration resistance. The dynamic analysis proposed by Lu and Hwang (AIChE J. 41 (1995) 1443–1455) was modified to examine cake formation during crossflow filtration of deformable particles by taking the transient effect of cake compression and the effect of the area contact between particles into consideration. In situ measurement of filter cake thickness using the infrared reflection method was applied to verify the theoretical results. Both experimental and simulated results showed that the cake formed by deformable particles exhibits a rapid increase in flow resistance or a decrease in local porosity and a high resistant limiting layer is formed next to the filter medium during filtration due to the deformation of particles.
    Relation: Journal of membrane science 198(2), pp.225-243
    DOI: 10.1016/S0376-7388(01)00660-3
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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