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    Title: Application of internal reflux in the raffinate phase for membrane extraction in cross-flow rectangular modules
    Authors: Yeh, Ho-Ming
    Contributors: 淡江大學化學工程與材料工程學系
    Keywords: Membrane extraction;Cross-flow;Rectangular modules;Internal reflux
    Date: 2008-11-01
    Issue Date: 2011-10-24 01:49:45 (UTC+8)
    Publisher: 新竹市:中國化學工程學會
    Abstract: The effect of internal reflux in the raffinate phase for membrane extraction through a cross-flow rectangular module was investigated. Theoretical analysis of mass transfer in cross-flow devices with or without recycle was analogous to heat transfer in cross-flow heat exchangers. In contrast to a device without reflux, considerable improvement in mass transfer is achievable if cross-flow membrane extractors are operated with reflux which provides the increase of fluid velocity, resulting in reduction of mass-transfer resistance. It is concluded that reflux can enhance mass transfer, especially for large flow rate and feed-concentration solution operated under high reflux ratio.
    Relation: Journal of the Chinese Institute of Chemical Engineers=中國化學工程學會會誌 39(6), pp.571–578
    DOI: 10.1016/j.jcice.2008.05.010
    Appears in Collections:[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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