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On Current Dependence of the Electroosmotic Permeability in Ion-Exchange Membranes

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Barragán García, Vicenta María and Ruiz Bauzá, Carlos and Mengual Cabezón , Juan Ignacio (1994) On Current Dependence of the Electroosmotic Permeability in Ion-Exchange Membranes. Journal of Membrane Science, 95 (1). pp. 1-10. ISSN 0376-7388



Abstract

The apparent electro-osmotic permeability, W, of three ion-exchange membranes has been obtained under different experimental conditions. The behaviour of W as a function of the current density, I, shows the following characteristics: (i) at sufficiently low values of I, the apparent electro-osmotic permeability decreases when the current density increases; (ii) at an intermediate values of I, a local maximum appears; and (iii) at the highest values of I, the apparent electro-osmotic permeability seems to approach a roughly constant value. The value of I at which the local maximum takes place is very close to the so-called limiting current density.


Item Type:Article
Subjects:Sciences > Physics > Thermodynamics
ID Code:21239
Deposited On:13 May 2013 12:12
Last Modified:05 Aug 2013 11:18

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