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Muniyappan Rajiv Gandhi,Manabu Yamada,Yoshihiko Kondo,Atsushi Shibayama,Fumio Hamada 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.30 No.-
p-Sulfonatothiacalix[6]arene was impregnated onto commercial polymeric resins. The platinum groupmetals sorption experiments were carried and maximum PGM sorption was observed at pH 4 in 180 min. The 1-loaded IRA-400, IRA-411, and XAD-7 showed Pd SCs of 279, 265, and 135 mg/g, respectively. ThePGM SCs of 1-loaded IRA-400, IRA-411 are found to be Pd > Pt > Rh. All the impregnated resins followedFreundlich isotherm and Pd sorption was exothermic. The kinetic studies demonstrate that Pd sorptionfollows pseudo-second order and intraparticle diffusion models. 1-Loaded XAD-7 selectively adsorbs ofPd ions from an automotive catalyst residue leached solution.