Theoretical Study on Membrane Extraction in Laminar Flow Circular-Tube Modules

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题名:	Theoretical Study on Membrane Extraction in Laminar Flow Circular-Tube Modules
作者:	Ho, Chii-dong;Guo, Jia-jan
贡献者:	淡江大學化學工程與材料工程學系
关键词:	Membrane Extraction;Orthogonal Expansion Techniques;Mass-Transfer Graetz Number;Mass Transfer Efficiency
日期:	2008-12-01
上传时间:	2010-12-01 10:29:33 (UTC+8)
出版者:	淡江大學
摘要:	The modeling equations for the concentration distribution and extraction rate in a concentric circular membrane extractor module under countercurrent-flow with various barrier locations were derived theoretically with the use of the mass balance on each subchannel. The analytical solution is obtained by using the separated variable method with an orthogonal expansion technique extended in power series. The extraction rate and mass transfer efficiency in this study are represented graphically with the volumetric flow rate and permeable-barrier location as parameters. The improvements of extraction rate and mass transfer efficiency were achieved by the suitable adjustment of the barrier location and under the countercurrent-flow operation. The influences of operation and design parameters on the extraction rate and mass-transfer efficiency enhancement are also discussed.
關聯:	淡江理工學刊=Tamkang journal of science and engineering 11(4)，頁339-346
DOI:	10.6180/jase.2008.11.4.03
显示于类别:	[化學工程與材料工程學系暨研究所] 期刊論文

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