The sorption of NaCl and CaCl2 and monovalent-divalent cation salt mixtures
on the polysulfone and polysulfone with polyester support cation exchange
membranes were investigated. The sorption of monovalent-divalent cation sal
t mixtures in contact with NaCl+CaCl2 salt mixtures were studied at a total
concentration of 0.05 M. The obtained results for polysulfone type membran
es were compared with Neosepta CL-25T and CM2 cation exchange membranes.