Abstract
A new approach to studying electromembrane systems by the laser interferometry method is proposed. Problems in the electrodialysis kinetics that had been solved by this method are reviewed. These include the determination of the size of diffusion boundary layers, the measurement of concentration profiles of solutions at a concentration polarization of ion-selective membranes in solutions of one and two components in isothermal and nonisothermal conditions, the verification of mathematical models for electrodialysis, and the measurement of local Sherwood numbers. A method for measuring concentration profiles in solutions at the interface with bodies of spherical symmetry following the imposition of a gradient of an electric potential on the system is offered. The results of studying the concentration polarization of an ion exchanger granules are analyzed.
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Vasil'eva, V.I., Shaposhnik, V.A., Grigorchuk, O.V. et al. Electrodialysis Kinetics by Laser Interferometry. Russian Journal of Electrochemistry 38, 846–852 (2002). https://doi.org/10.1023/A:1016809727673
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DOI: https://doi.org/10.1023/A:1016809727673