A preliminary evaluation on the use of the cyclam functionalized resin for the noble metals sorption

摘要

A new resin has been prepared through a reaction between the vinylbenzyl chloride-divinylbenzene copolymer and the 1,4,8,11-tetraazacyclotetradecane (cyclam). This resin has been investigated after the characterization of the FTIR, batch and the dynamic sorption behavior of Au(Ⅲ), Pt(Ⅳ) and Pd(Ⅱ) ions took place. The sorption has been optimized with respect to HC1 solutions. The maximum sorption properties were achieved from the solution of 0.1 M HCl. The sorption of Au(Ⅲ), Pt(Ⅳ) and Pd(Ⅱ) ions during a dynamic procedure in the presence of the 20-fold excess metals i.e. Cu, Fe, Ni resulted in an outcome of up to 400 mg of noble metals per gram of dry resin. The study of the noble metal loading was carried out over a wide range of the HO concentration and in media of various multicomponent solutions of common metals.