Abstract
The article has investigated electric conduction of systems including composite ceramic membranes whose macropores are filled with an ion-exchange component—hydrated with zirconium dioxide and the solution of 1,1-charged electrolyte HCl. It was found that experimental values of electric conduction of membranes are the values of the same order as the electric conduction of an equilibrium solution. Based on potentiometric transport numbers of counterions we computed electric conduction of the ion-exchanger-solution system with the account of not only electrolyte, which is in intraporous solution, but also of counterions localized in the phase of the ion-exchanger. We have proposed a model equation linking electrical conduction of the membrane, the ion-exchanger, and the solution. An assumption was made about the presence in the pores of nano-dimensional channels being formed when introducing the ion-exchanger to the matrix.
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Original Russian Text © Yu.S. Dzyaz’ko, S.L. Vasilyuk, 2009, published in Khimiya i Tekhnologiya Vody, 2009, Vol. 31, No. 6, pp. 653–664.
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Dzyaz’ko, Y.S., Vasilyuk, S.L. Electric conduction of ceramic membranes modified with nanoparticles of an inorganic ion exchanger. J. Water Chem. Technol. 31, 373–380 (2009). https://doi.org/10.3103/S1063455X09060058
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DOI: https://doi.org/10.3103/S1063455X09060058