Abstract
A new poly(4-vinylpyridine) resin was prepared and characterized. The adsorption of Th4+ on resin was studied as a function of contact time, nitric acid concentration, metal ion impurity and initial Th4+ concentration. The adsorption kinetics and isotherms were analyzed. The results revealed that the adsorption equilibrium for the adsorption of Th4+ on resin was reached within 30 min. The efficiency of Th4+ adsorption on resin improves when the nitric acid acidity increases. The adsorption capacity of the resin increases with an increase in the initial concentration of Th4+. The thorium distribution coefficient increases with metal nitrate in the system.
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Zheng, R., Mao, G., Fu, Z. et al. Adsorption of Th(IV) in nitric acid medium by a new poly(4-vinylpyridine) resin. J Radioanal Nucl Chem 332, 3903–3910 (2023). https://doi.org/10.1007/s10967-023-09072-3
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DOI: https://doi.org/10.1007/s10967-023-09072-3