Mass transfer in cross- flow parallel-plate dialyzer with internal recycle for improved performance

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Title:	Mass transfer in cross- flow parallel-plate dialyzer with internal recycle for improved performance
Authors:	Yeh, Ho-ming
Contributors:	淡江大學化學工程與材料工程學系
Keywords:	Cross flow;Dialysis;Internal recycle;Rectangular module
Date:	2011-11
Issue Date:	2011-08-09 15:22:58 (UTC+8)
Publisher:	Philadelphia: Taylor & Francis Group
Abstract:	The internal reflux effect on dialysis through the retentate phase of a cross-flow rectangular module is investigated. Theoretical analysis of mass transfer in cross-flow devices with or without recycling is analogous to heat transfer in cross-flow heat exchangers. In contrast to a device without reflux, considerable mass transfer is achievable if cross-flow dialyzers are operated with reflux, which provides an increase in fluid velocity, resulting in a reduction in mass-transfer resistance. It is concluded that reflux can enhance mass transfer, especially for large flow rate and feed-concentration operated under high reflux ratio.
Relation:	Chemical Engineering Communications 198, pp.1366-1379
DOI:	10.1080/00986445.2011.560517
Appears in Collections:	[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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