Sorption of U(VI) on Schiff-base functionalized metal-organic frameworks UiO-66-NH2

被引：13
|
作者：
Du, Ziyao [1 ]
Li, Bolin [1 ]
Jiang, Chao [1 ]
Sun, Ruopei [1 ]
Chen, Suwen [1 ]
机构：
[1] Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Gansu, Peoples R China
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2021年 / 327卷 / 02期
基金：
中国国家自然科学基金;
关键词：
U(VI); Metal– organic frameworks (MOFs); Sorption; UiO-66-NH2; Schiff-base;
D O I：
10.1007/s10967-020-07550-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A metal-organic framework, UiO-66-NH2, was designed, synthesized and characterized in this study. By conducting solvothermal method, Salicylaldehyde (Sal) and 2,4-dihydroxybenzaldehyde (MHBA) were grafted onto UiO-66-NH2 via post-treatment to obtain the functionalized material UiO-66-Sal and UiO-66-MHBA. The three materials above were characterized, and the effects of solid-liquid ratio, pH, ionic strength, and oscillation time on U(VI) adsorption were studied. The relevant experimental results fitted well with pseudo-second-order kinetic equation and thermodynamic adsorption model.
引用
收藏
页码：811 / 819
页数：9
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