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Separation Science and Technology, Vol.52, No.7, 1153-1159, 2017
Sorption of palladium(II) using organophosphorus derivatives based on thiacalix[4]arene impregnated resins from hydrochloric media
The sorption kinetics of Pd(II) from hydrochloric acid solutions by 1 and 2 impregnated Amberlite XAD-7 resins (3 and 4) have been systematically studied. Both impregnated resins selectively and efficiently adsorb Pd(II) from single metal solution and automotive catalyst residue solution. In comparison between 3 and 4, 4 showed more efficiency toward Pd(II) with respect to contact time, loading, and stripping capacities. 3 and 4 were characterized by XRD and SEM analyses before and after Pd(II) sorption. We also studied the reusability of 3 and 4 and both the resins offer excellent performance for three times.