Adsorption of Th(IV) in nitric acid medium by a new poly(4-vinylpyridine) resin

被引：0
|
作者：
Zheng, Ruochen [1 ]
Mao, Guoshu [1 ]
Fu, Zhihai [1 ]
Zhang, Xian [1 ]
Yu, Shengjie [1 ]
Yue, Yuanzhen [1 ]
Li, Jiayun [1 ]
机构：
[1] China Inst Atom Energy, Dept Radiochem, Beijing 102413, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2023年 / 332卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Poly(4-vinylpyridine) (P4VP); Thorium; Adsorption capacity; Distribution coefficient; SEPARATION; PLUTONIUM; PURIFICATION; REMOVAL;
D O I：
10.1007/s10967-023-09072-3
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
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 Th(4+ )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.
引用
收藏
页码：3903 / 3910
页数：8
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