ELECTRICAL MASS-TRANSFER THROUGH HETEROGENEOUS ION-EXCHANGE MEMBRANES

The method that was earlier developed for solving the problem of the e lectrodiffusion transfer through a heterogeneous ion-exchange membrane is modified. The procedures to obtain simpler mathematical solutions are found. These procedures not only decrease the computation time, bu t give the opportunity to deeply understand the essence of the process es occurring in the membrane during the passing of the current and dif fusion. The novel approach is used to further analyze such parameters as the current efficiency on the membrane, ohmic losses, the concentra tion profile, etc. The results of this study may serve as a theoretica l basis for solving the problem of registration and certification of i on-exchange membranes used in the practical electrodialysis.