Permeation rate and selectivity in the separation of cobalt and nickel by supported liquid membranes.
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概要
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The transport of cobalt and nickel from nitrate solutions through supported liquid membranes (SLM) containing 2-ethylhexylphosphonic acid mono-2-ethylhexyl ester dissolved in n-dodecanc as a carrier was studied. High selectivity in the separation of cobalt and nickel was obtained when the diffusional resistance in the liquid membrane was dominant. Experiments on the extraction of cobalt and/or nickel were also carried out over a wide range of metal loading ratio, and empirical correlations representing the concentrations of the aggregated species in organic phase were presented. Using a permeation model in which the formation of aggregates of metal-carrier complexes was considered, the fluxes in single and simultaneous permeations were quantitatively explained.
- 公益社団法人 化学工学会の論文
著者
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Kojima Atsushi
Department Of Electrical Engineering Faculty Of Engineering Science Osaka University
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Matsuyama Hideto
Department Of Chemical Science And Engineering Kobe University
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KATAYAMA Yuji
Department of Applied Chemistly, Faculty of Engineering, Kansai University
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Teramoto Masaaki
Department Of Chemistry And Material Technology Kyoto Institute Of Technology
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Miyake Yoshikazu
Department Of Chemical Energy And Environmental Engineering Faculty Of Environmental And Urban Engin
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KOJIMA ATSUSHI
Department of Industrial Chemistry, Kyoto Institute of Technology
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WASHIJIMA ICHIRO
Department of Industrial Chemistry, Kyoto Institute of Technology
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TERAMOTO MASAAKI
Department of Chemical Engineering, Kyoto University
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