Adsorption of uranium(VI) from aqueous solutions using cross-linked magnetic chitosan beads

被引：14
|
作者：
Huang, Guolin [1 ]
Zou, Lixia [1 ]
Su, Yu [1 ]
Lv, Tingting [1 ]
Wang, Lele [1 ]
机构：
[1] East China Univ Technol, Key Lab Radioact Geol & Explorat Technol Fundamen, Nanchang 330013, Jiangxi, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2016年 / 307卷 / 02期
关键词：
Cross-linked magnetic chitosan; Uranium; Adsorption capacity; Isotherms; IONS;
D O I：
10.1007/s10967-015-4275-2
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The performance of a cross-linked magnetic chitosan has been investigated for the adsorption of U(VI) from aqueous solutions. The influences of the pH of solution, the initial concentration of U(VI) ions and the contact time on the adsorption amounts have been discussed, and the appropriate process conditions for the adsorption of U(VI) have been obtained. The adsorption experimental equilibrium data was found to fit the Langmuir model well, and the uptake of U(VI) was 161.3 mg g(-1). Two simplified models including pseudo-first order and pseudo-second order equations are selected to follow the adsorption process.
引用
收藏
页码：1135 / 1140
页数：6
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