Simulation of ion transport in a perfluorinated bi-layer membrane for Chlor-alkali electrolysis process

摘要

In order to study transport behavior of ions in the membrane for chlor-alkali process,we developed the simulation model based on the Maxwell-Stefan theory.In this study,we considered the distribution of water uptake across the thickness of the membrane and tried to explain the peculiar aspects of high ion-selectivity of Na ion seen in the actual chlor-alkali cell operation.Flemion~R,a perfluorinated bi-layer membrane,was used for an electrolysis test as shown in Fig.1,and its molecular structure is given as a general formula shown in Fig.2.