Adsorption of U(VI) from aqueous solution by magnetic core-dual shell Fe3O4@PDA@TiO2

被引：36
作者：
Zhang, Hui [1 ,2 ]
Dai, Zhongran [1 ,2 ]
Sui, Yang [3 ]
Xue, Jinhua [1 ,2 ]
Ding, Dexin [1 ,2 ]
机构：
[1] Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Mi, Hengyang 421001, Peoples R China
[2] Hunan Prov Key Lab Green Dev Technol Extremely Lo, Hengyang 421001, Peoples R China
[3] Hunan Taohuajiang Nucl Power Co Ltd, Yiyang 413000, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2018年 / 317卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Magnetic core-dual shell materials; Fe3O4@PDA@TiO2; Uranium; Adsorption; Simulated seawater; MESOPOROUS CARBON; SURFACE FUNCTIONALIZATION; URANIUM ADSORPTION; EFFICIENT REMOVAL; PHOSPHORIC-ACID; GRAPHENE OXIDE; NANOPARTICLES; COMPOSITE; RECOVERY; SEAWATER;
D O I：
10.1007/s10967-018-5923-0
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In this study, a novel magnetic core-dual shell Fe3O4@PDA@TiO2 adsorbents was successively prepared by polydopamine (PDA) coated and TiO2 film deposited on the surface of Fe3O4. The structure and properties were characterized by FT-IR, SEM-EDS TEM, VSM and XPS. The adsorption of U(VI) on Fe3O4@PDA@TiO2 was investigated as a function of contact time, solution pH, initial U(VI) concentration and other interfering ions. In addition, the U(VI) adsorption from practical wastewater and simulated seawater was also investigated. The results implied that the Fe3O4@PDA@TiO2 adsorbents exhibited promising adsorption performance for uranium (VI) from aqueous solution and simulated seawater.
引用
收藏
页码：613 / 624
页数：12
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