Abstract
ABSTRACTThe physicochemical properties of Purolite S940 and Purolite S950 were investigated. The kinetic parameters were determined to optimize the sorption process of Co(II) and Ni(II) ions with regard to the influence of chloride ions. Optical microscopy, scanning electron microscopy and electron spectroscopy XPS were used to determine the physicochemical properties of the ion exchangers. They show that Purolite S950 has a greater diversity of beads in terms of volume compared to Purolite S940. Both ion exchangers have a heterogeneous structure on the surface of the beads; however, smooth areas and those with a high porosity can be observed.
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