Poly(amidoxime)-reduced graphene oxide composites as adsorbents for the enrichment of uranium from seawater

被引：98

作者：

Shao DaDong ^{[1
,2
]}

Li JiaXing ^{[1
]}

Wang XiangKe ^{[1
,2
,3
]}

机构：

[1] North China Elect Power Univ, Sch Environm & Chem Engn, Beijing 102206, Peoples R China

[2] Soochow Univ, Sch Radiol & Interdisciplinary Sci, Suzhou 215123, Peoples R China

[3] Jiangsu Higher Educ Inst, Collaborat Innovat Ctr Radiat Med, Nanjing, Jiangsu, Peoples R China

来源：

SCIENCE CHINA-CHEMISTRY | 2014年 / 57卷 / 11期

基金：

中国国家自然科学基金;

关键词：

uranium; amidoxime; graphene; acrylonitrile; adsorption; MULTIWALLED CARBON NANOTUBES; CHELATING FUNCTIONAL-GROUP; AQUEOUS-SOLUTIONS; URANYL-ION; METAL-IONS; REMOVAL; ADSORPTION; EXTRACTION; RESIN; FILMS;

D O I：

10.1007/s11426-014-5195-7

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The development of efficient materials for high extraction of uranium (UO2 (2+)) from seawater is critical for nuclear energy. Poly(amidoxime)-reduced graphene oxide (PAO/rGO) composites with excellent adsorption capability for UO2 (2+) were synthesized by in situ polymerization of acrylonitrile monomers on GO surfaces, followed by amidoximation treatment with hydroxylamine. The adsorption capacities of PAO/rGO composites for UO2 (2+) reached as high as 872 mg/g at pH 4.0. The excellent tolerance of these composites for high salinity and their regeneration-reuse properties can be applied in the nuclear-fuel industry by high extraction of trace UO2 (2+) ions from seawater.

引用

页码：1449 / 1458

页数：10

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