關鍵字查詢 | 類別:期刊論文 | | 關鍵字:Theoretical study on membrane extraction of Cu2+ with D2EHPA in laminar flow circular tube modules

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1 97/1 化材系 何啟東 教授 期刊論文 發佈 Theoretical study on membrane extraction of Cu2+ with D2EHPA in laminar flow circular tube modules , [97-1] :Theoretical study on membrane extraction of Cu2+ with D2EHPA in laminar flow circular tube modules期刊論文Theoretical study on membrane extraction of Cu2+ with D2EHPA in laminar flow circular tube modulesGuo, Jia-Jan; Ho, Chii-Dong淡江大學化學工程與材料工程學系Mass-transfer efficiency;Membrane extraction;Orthogonal expansion;Extraction rateAmsterdam: Elsevier BVDesalination 233(1-3), pp.247-257The predicting equations for the mass-transfer rate and mass-transfer efficiency in a concentric circular membrane extractor module under concurrent- and countercurrent-flow with various barrier locations were derived theoretically by calculating the mass balance on each subchannel. The analytical solution was obtained by using the separation variable and eigen-function expansion in power series. The mass-transfer efficiency enhancement in this study is represented graphically with the volumetric flow rate and permeable-barrier location as parameters. The theoretical predictions show that the improvements in the ex
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