Effect of Multipass Arrangement on Solvent Extraction in Countercurrently Cross-Flow Rectangular Membrane Modules of Fixed Configuration

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 987654321/71782

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題名:	Effect of Multipass Arrangement on Solvent Extraction in Countercurrently Cross-Flow Rectangular Membrane Modules of Fixed Configuration
其他題名:	多行程裝置對逆交流平板薄膜模組中萃取效率之影響
作者:	葉和明
貢獻者:	淡江大學化學工程與材料工程學系
關鍵詞:	Liquid membrane extraction;Countercurrently cross flow;Multipass operation
日期:	2006-03-01
上傳時間:	2011-10-24 01:41:31 (UTC+8)
摘要:	Solvent extraction through a countercurrently cross-flow multipass membrane module has been investigated both theoretically and experimentally. Considerable improvement of mass-transfer rate in a parallel-plate module of fixed dimensions is obtained if multipass, instead of single pass, are arranged in the phase (retentate phase or extract phase) where the mass transfer is dominated by its external film and not by the membrane resistance. Further, the performance in a countercurrently cross-flow device introduced in present study overcomes that in a cocurrently cross-flow one which we discussed in previous works. 本文以理論與實驗方法，探討逆交流平板薄膜模組中多行程操作對萃取效率之影響，結果發現：若阻力非在薄膜內時，在流體相中設置多行程裝置，其效率遠比大小相同的單行程薄膜萃取器高，而逆交流操作又比順交流者為佳。
關聯:	Journal of the Chinese Institute of Chemical Engineers 37(2), pp.159-167
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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