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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/53717

    Title: Effect of ultrafiltration on the mass-transfer efficiency improvement in a parallel-plate countercurrent dialysis system
    Authors: Tu, Jr-Wei;Ho, Chii-Dong;Chuang, Ching-Jung
    Contributors: 淡江大學化學工程與材料工程學系
    Keywords: Mass-transfer efficiency improvement;Dialysis;Ultrafiltration;Countercurrent
    Date: 2009-06-01
    Issue Date: 2011-05-20 09:56:40 (UTC+8)
    Publisher: Amsterdam: Elsevier BV
    Abstract: A mathematical model for the mass transfer in a parallel plate countercurrent dialysis system coupled with ultrafiltration operation was developed theoretically and experimentally in this study. The analytical solution was obtained using the Frobenius series method. The influences of retentate and dialysate phase flow rates, ultrafiltration flux and solute sieving factor on the outlet concentrations and mass transfer rate were also represented graphically in this study. The analytical predictions show that the introduction of ultrafiltration effects in a dialysis system leads to considerable enhancement of the separation efficiency as compared to that in a pure dialysis system without ultrafiltration. An experimental apparatus was also set up to confirm the accuracy of the proposed mathematical model, and the comparisons show that a qualitative agreement between the theoretical predictions and experimental results was achieved.
    Relation: Desalination 242(1-3), pp.70-83
    DOI: 10.1016/j.desal.2008.03.032
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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