Modified correction-factor Analysis of Solvent Extraction in Rectangular Membrane Modules

doi:10.1016/j.jcice.2007.04.008

淡江大學機構典藏 > 工學院 > 化學工程與材料工程學系暨研究所 > 期刊論文 > Item 987654321/50485

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題名:	Modified correction-factor Analysis of Solvent Extraction in Rectangular Membrane Modules
其他題名:	平板式薄膜組中溶劑萃取之修正因子分析
作者:	葉和明;Yeh, Ho-ming
貢獻者:	淡江大學化學工程與材料工程學系
關鍵詞:	Membrane extraction;Rectangular module;Modified correction factor
日期:	2007-11
上傳時間:	2010-08-09 18:17:50 (UTC+8)
出版者:	中國化學工程學會
摘要:	本文以修正因子分析方法，推導出平板式薄膜萃取之質量傳送計算公式。結果發現，順流與逆流操作之修正因子皆為1，而交流操作時，修正因子為流率、質傳面積、分佈係數及總質傳係數之函數。本分析方法改良了傳統之分析法，理論計算時較為方便。 The expressions of mass-transfer rate for membrane extraction through a rectangular module have been derived under cocurrent-flow, countercurrent-flow and cross-flow operation based on the modified correction-factor analysis. These expressions are explicit and the results can be readily calculated without using try-and-error method, which should be employed in the conventional correction-factor analysis for designing heat and mass exchangers. The correction factors for both cocurrent-flow and countercurrent-flow operations may be taken as unity when the logarithmic-mean concentration differences are properly selected. For cross-flow operation, the correction factors are function of flow rate, masstransfer area, distribution coefficient and overall mass-transfer coefficient, and some values of them are given graphically.
關聯:	中國化學工程學會會誌 = Journal of the Chinese Institute of Chemical Engineers 38(5-6), pp.385-391
DOI:	10.1016/j.jcice.2007.04.008
顯示於類別:	[化學工程與材料工程學系暨研究所] 期刊論文

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