U(VI) capture from aqueous solution by highly porous and stable MOFs: UiO-66 and its amine derivative

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成果类型：

期刊论文

作者：

Luo, Bai-Cheng;Yuan, Li-Yong*;Chai, Zhi-Fang;Shi, Wei-Qun;Tang, Quan*

通讯作者：

Tang, Quan;Yuan, Li-Yong

作者机构：

[Luo, Bai-Cheng; Tang, Quan] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

[Luo, Bai-Cheng; Yuan, Li-Yong; Chai, Zhi-Fang; Shi, Wei-Qun] Chinese Acad Sci, Inst High Energy Phys, Lab Nucl Energy Chem, Beijing 100049, Peoples R China.

[Chai, Zhi-Fang] Soochow Univ, Sch Radiol & Interdisciplinary Sci, Suzhou 215123, Peoples R China.

通讯机构：

[Tang, Quan] U

[Yuan, Li-Yong] C

Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

Chinese Acad Sci, Inst High Energy Phys, Lab Nucl Energy Chem, Beijing 100049, Peoples R China.

语种：

英文

关键词：

cerium;chromium;cobalt;lanthanum;metal organic framework;neodymium;nickel;sorbent;strontium;unclassified drug;uranium;uranium zirconium;ytterbium;zinc ion;zirconium;zirconium dicarboxylate;zirconium dicarboxylate amide;aqueous solution;Article;chemical analysis;chemical parameters;contact time;controlled study;ecosystem restoration;heavy metal removal;infrared spectroscopy;ionic strength;metal extraction;pH;sorption isotherm;stereochemistry;surface area;synthesis;thermogravimetry;X ray diffraction

期刊：

Journal of Radioanalytical and Nuclear Chemistry

ISSN：

0236-5731

年：

2016

卷：

307

期：

页码：

269-276

DOI：

10.1007/s10967-015-4108-3

基金类别：

Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [91426302, 21471153, 11275219, 91326202, U1432103]; Chinese Academy of SciencesChinese Academy of Sciences [XDA030104]; Priority Academic Program Development of Jiangsu Higher Education Institutions

机构署名：

本校为第一且通讯机构

院系归属：

核科学技术学院

摘要：

Metal–organic frameworks (MOFs) UiO-66 and its amine derivative (UiO-66-NH2) with high surface area and unprecedented chemical stability were synthesized and first explored for U(VI) capture from aqueous solutions. At pH 5.5, U(VI) sorption reach equilibrium in ca. 4h and the maximum sorption capacity is more than 100mgg−1. Moreover, they show desirable selectivity towards U(VI) over a range of competing metal ions. Sorption results demonstrate that introduction of amino groups into MOFs does not enhance U(VI) sorption, probably result from t...

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U(VI) capture from aqueous solution by highly porous and stable MOFs: UiO-66 and its amine derivative

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