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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/19437


    Title: Effect of recycle-barrier location on membrane extraction in a parallel-flow rectangular module with internal reflux
    Authors: 葉和明;Yeh, Ho-ming;Hung, F. C.;Chen, C. H.;Hung, C. R.
    Contributors: 淡江大學化學工程與材料工程學系
    Date: 2005-01
    Issue Date: 2009-11-04 15:47:20 (UTC+8)
    Publisher: Kidlington: Elsevier
    Abstract: The influence of recycle-barrier location on membrane extraction through a parallel-flow rectangular module with internal reflux has been investigated. The recycle barrier is placed in the raffinate phase to divide the flow channel into an operating subchannel and a reflux subchannel and thus, there are concurrent flow in one subchannel and countercurrent flow in another subchannel. It was found that the larger part of mass-transfer area for countercurrent-flow channel, as well as the smaller part of mass-transfer area for concurrentflow channel, is beneficial to total mass-transfer rate. It was also noted that with the recycle-barrier location moving gradually from the centerline of the raffinate phase to create larger mass-transfer area for countercurrent-flow channel, and to decrease mass-transfer area for concurrent-flow channel, the same performance can be achieved with reducing the reflux ratio.
    Relation: Chemical engineering science 60(1), pp.167-177
    DOI: 10.1016/j.ces.2004.07.082
    Appears in Collections:[化學工程與材料工程學系暨研究所] 期刊論文

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