Donnan dialysis concentration of cupric ions.
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概要
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The concentration of cupric ion was studied with a flat-plate dialyzer having a single cation exchange membrane. The exchange equilibrium constants were expressed as a function of the ionic strength of the bulk solution. The flux of osmotic water was linearly proportional to the difference of ionic strength between the feed and the strip solutions. The maximum values of the enrichment ratio obtained experimentally became smaller than those calculated from the relationship of Donnan equilibrium. The experimental changes of enrichment ratio with time, however, agreed well with the values calculated by using the measured values of physical properties of the membrane, self-diffusion coefficients, distribution coefficients of ions, liquid film resistances and the flux of osmotic water.
- 公益社団法人 化学工学会の論文
著者
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SUDOH Masao
Department of Chemical Engineering, Shizuoka University
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Sudoh Masao
Department Of Chemical Engineering And Materials Science Shizuoka University
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Nakamura Susumu
Department Of Applied Biological Science Tokyo University Of Agriculture And Technology
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KAMEI HIROSHI
Department of Chemical Engineering, Shizuoka University
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