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This paper first presents a set of experimental data on the measurements of the ionic fluxes through a cationexchange membrane separating two electrolyte solutions with the same concentration, the same co-ion but different counter-ions (bi-ionic system). Then these results are compared with the theo

In this paper, a predictive model for hemodialysis/hemodiafiltration is used to design for the treatment of uremic patients membrane modules more efficient than commercial hemodialysers. Fractionation of the available membrane area into modules alternatively operated in internal and back filtration

T he improvement in the flux as a result of o perating the plant in a cyclic model was s uccessfully predicted by the simple model. The m odifications applied to the model lead to p ermeation rates which were in close agreement w ith the experimental data for the considered f orcing functions, namel