Characterization of gel layer formed during ultrafiltration of latex emulsion waste waters

The results of investigations of the ultrafiltration of latex waste waters, carried out with and without stirring, have been presented. The dependence of the permeate flux versus time profiles, transmembrane pressure and latex particle concentration for three polyacrylonitrile membranes of differing compactness, have been worked out. The basic parameters of the gel layer formed on the membrane surface, i.e., the resistance of the gel layer (G_g), specific resistance (a) and mass of gel per unit area of the membrane (m_g/A_m) have been calculated based on the data of ultrafiltration without stirring.