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

被引：14

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

页码：811 / 819

页数：9

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