Synthesis of magnetic chitosan/graphene oxide nanocomposites and its application for U(VI) adsorption from aqueous solution

被引：23
|
作者：
Huang, Guolin [1 ,2 ]
Peng, Wei [1 ]
Yang, Shasha [1 ]
机构：
[1] East China Univ Technol, State Key Lab Breeding Base Nucl Resources & Envi, Nanchang 330013, Jiangxi, Peoples R China
[2] China Univ Geosci, Engn Res Ctr Nanogeo Mat, Minist Educ, Wuhan 430074, Hubei, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2018年 / 317卷 / 01期
关键词：
Magnetic chitosan/graphene oxide nanocomposite; Uranium; Adsorption kinetics; Isotherms; Thermodynamics; GRAPHENE OXIDE; IONS; URANIUM(VI); THORIUM(IV); EXTRACTION; COMPOSITE; ADSORBENT; REMOVAL;
D O I：
10.1007/s10967-018-5850-0
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The performance of a magnetic chitosan/graphene oxide composites (MCGO) have been investigated for the adsorption processes of U(VI) ions from aqueous solution. The synthesized nanocomposites were characterized by infrared spectra (IR), scanning electron microscopy (SEM) and X-ray diffraction (XRD). The influences of the pH of solution and the contact time on the adsorption amounts have been discussed, and the optimal experimental conditions for the adsorption of U(VI) have been obtained. Experimental equilibrium data has been obtained and the kinetic results revealed that pseudo-first order kinetic model provided the best description of the equilibrium data.
引用
收藏
页码：337 / 344
页数：8
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