A Study on the Performance of Crossflow Flat-Plate membrane Extractions

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Title:	A Study on the Performance of Crossflow Flat-Plate membrane Extractions
Authors:	Yeh, H. M.;Cheng, Hsian-Hau;Tzeng, Yi-Heng
Contributors:	淡江大學化學工程學系
Keywords:	溶劑萃取;微多孔性薄膜;迴流效應;掃流;Solvent Extraction;Microporous Membrane;Recycle Effect;Cross Flow
Date:	2001-12
Issue Date:	2014-02-09 00:52:45 (UTC+8)
Abstract:	The effects of recycle on membrane extraction through a cross-flowrectangular module have been studied both theoretically andexperimentally. Theoretical analysis of mass transfer in cross-flowdevice with and without recycle was analogous to heat transfer incross-flow heat exchangers. Experiments were carried out with the useof a membrane sheet made of microporous polypropylene as a permeablebarrier to extract acetic acid from aqueous solution by methylisobutyl ketone. Theoretical predictions are in agreement with theexperimental results. Contrast a device without recycle, improvementin mass transfer is achievable if cross-flow membrane extraction isoperated in a device of same size with recycle which provides theincrease of fluid velocity, resulting in reduction of mass-transferresistance.
Relation:	第二十三屆輸送現象及其應用研討會暨膜分離論壇第四屆台灣-新加坡環境保護技術研討會論文集=Proceedings of The 23st Symposium of Transport Phenomena and 1ts Applications/Membrance Seperation Forum/The 4st Taiwan-Singapore Jiont Symposium on Environmental Technology
Appears in Collections:	[Graduate Institute & Department of Chemical and Materials Engineering] Proceeding

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