The effect of aspect ratio on solvent extraction in cross-flow parallel-plate membrane modules

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Title:	The effect of aspect ratio on solvent extraction in cross-flow parallel-plate membrane modules
Authors:	葉和明;Yeh, Ho-ming;Chen, Y. K.;Tseng, I. H.
Contributors:	淡江大學化學工程與材料工程學系
Keywords:	Membrane extraction;Aspect ratio;Cross flow
Date:	2002-09-01
Issue Date:	2009-11-04 16:04:34 (UTC+8)
Publisher:	Kidlington: Pergamon Press
Abstract:	The relationship between the aspect ratio (plate length L/plate width w) and the performance of membrane extraction systems in cross-flow parallel-plate membrane modules for a given set of operating conditions and system variables, has been delineated. The performance was described as the rate of solute extraction per unit power input. It was found that the optimal aspect ratio increases with the decrease of the flow rate in phase a flowing from x=0 through x=L, but decreases with the decrease of the flow rate in phase b flowing from y=0 through y=w, for enhancing the fluid velocity in the phase where the flow rate is lower, resulting in increased mass transfer coefficient.
Relation:	Separation and Purification Technology 28(3), pp.181-190
DOI:	10.1016/S1383-5866(02)00015-1
Appears in Collections:	[Graduate Institute & Department of Chemical and Materials Engineering] Journal Article

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