Membrane extraction through cross-flow rectangular modules

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Title:	Membrane extraction through cross-flow rectangular modules
Authors:	葉和明;Yeh, Ho-ming;Chen, Y. K.
Contributors:	淡江大學化學工程與材料工程學系
Date:	2000-05-31
Issue Date:	2009-11-04 15:56:47 (UTC+8)
Publisher:	Amsterdam: Elsevier
Abstract:	The mass transfer for membrane extraction through a cross-flow parallel-plate module has been studied both theoretically and experimentally. Theoretical analysis of mass transfer in cross-flow membrane extractors was analogous to heat transfer in cross-flow heat exchangers with the assumption that the concentration variation in the cross-sections of flow channel was negligible. Experiments were carried out with the use of membrane sheet made of microporous polypropylene coated with polytetrafluoroethylene as a permeable barrier to extract acetic acid from aqueous solution by methyl isobutyl ketone. Theoretical predictions are in agreement with the experimental results. The simpler but still precise equation for predicting the total mass transfer rate might be more powerful than the exact solution obtained in the previous work to overcome the mathematical difficulties in device design.
Relation:	Journal of Membrane Science 170(2), pp.235-242
DOI:	10.1016/S0376-7388(99)00366-X
Appears in Collections:	[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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