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1 Journal of Ecological Engineering

1 2019

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Impact from Counterion Nature on Current Transfer Through Structural Fragments of Sulphocationic Resin

Malovanyy Myroslav, Kononenko Natalia, Demina Olga, Petrushka Kateryna

Journal of Ecological Engineering

2019

Vol. 20, nr 3

7--12

The parameters of an extended three-wire model of ion-exchange materials conductivity, which characterize the current particles flowing through various structural fragments of the ion exchanger, were calculated based on the concentration dependence of the sulphocationite KU-2 resin electrical conductivity in electrolyte solutions of different nature. It was shown that most of the current in the resin is transferred through the channel with a consecutive arrangement of conducting gel and solution phases, regardless of the counterion nature. The differences in model parameters for the resin in the salt and proton form, related to the specific mechanism of proton transfer, confirmed the adequacy of the applied approach to the estimation of the counterion nature effect on the current transfer in resin.