Adsorption of U(VI) by chitosan crosslinked PAO aerogel

被引：7
作者：
Du, Zhiyuan [1 ,2 ]
Ni, Yuran [2 ]
Peng, Hao [2 ]
Tang, Mei [2 ]
Li, Yuanli [2 ]
Lv, Lina [2 ]
Li, Xiaoyu [2 ]
Chi, Fangting [2 ]
机构：
[1] Southwest Univ Sci & Technol, Sch Mat & Chem, Mianyang 621010, Peoples R China
[2] Southwest Univ Sci & Technol, Fundamental Sci Nucl Wastes & Environm Safety Lab, Mianyang 621010, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2024年 / 333卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Extraction of uranium from seawater; CTS-g-PAO Aerogel; Adsorption ability; Antibacterial ability; URANIUM ADSORPTION; ORGANIC FRAMEWORK; RECOVERY; AMIDOXIME; ION; SEAWATER; SORPTION; REMOVAL; CARBON; WATER;
D O I：
10.1007/s10967-023-09261-0
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Novel chitosan crosslinked amidoxime polyacrylonitrile aerogel was synthesized and used for adsorption of uranium from seawater. The effects of initial uranium concentration, contact time, and pH value on uranium adsorption were investigated. The simulated uranium solution adsorption experiment shows that under the condition of an initial uranium concentration of 100 mg/L, the maximum adsorption capacity of CTS-g-PAO is 203.4 mg/g. The adsorption process can be well-fitted by Freundlich and Pseudo-second order models. In addition, CTS-g-PAO aerogel has good antibacterial activity against marine bacteria, with the antibacterial activity reaching 94.8%. The results demonstrated that CTS-g-PAO aerogel was an effective adsorbent for extracting uranium from seawater.
引用
收藏
页码：71 / 84
页数：14
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