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- W2348521106 abstract "To selectively separate and recovery platinum group metals(PGMs) from high level liquid waste originating PUREX reprocessing, a novel silica-based macroporous adsorbent(Crea +TODGA) / SiO2-P was synthesized by impregnating Crea(N',N'-di-n-hexyl- thiodiglycolamide) and trioctylamine( TODGA) two extractants into the macroporous SiO2-P support. Adsorption behavior of PGMs onto(Crea+TODGA) / SiO2-P adsorbent was investigated by batch method. In batch adsorption experiments, the effect of nitric acid concentration on the adsorption of PGMs towards adsorbent was examined. It was found that(Crea+TODGA) / Si O2-P hads strong adsorption affinty to Pd(Ⅱ), weak adsorption affinty to Ru(Ⅲ) and almost no adsorption to Rh(Ⅲ). In 0.1 mol/L nitric acid, the adsorption of Re(Ⅶ ) is strong but it decreases dramatically with the increase of nitric acid concentration. In addition, after compared with(Crea+TOA) / SiO2-P and(Crea+Dodec) /SiO2-P, the different adsorption affinties to three PGMs ions can speculate the possibility of separation by one(Crea+TODGA) / SiO2-P chromatography column." @default.
- W2348521106 created "2016-06-24" @default.
- W2348521106 creator A5000381948 @default.
- W2348521106 date "2015-01-01" @default.
- W2348521106 modified "2023-09-24" @default.
- W2348521106 title "Adsorption behavior of platinum group metals using novel silica-based macroporous adsorbent" @default.
- W2348521106 hasPublicationYear "2015" @default.
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