Highly Efficient Adsorption of Uranium(VI) Ions in Aqueous Solution by Imidazole-4,5-Dicarboxylic Acid-Functionalized UiO-66

被引：0
作者：
Lan, Tian [1 ]
Liu, Xiechun [1 ]
Cong, Haifeng [1 ]
Ding, Xiaofan [1 ]
Zhao, Jing [1 ]
Xiao, Songtao [1 ]
机构：
[1] China Inst Atom Energy, Dept Radiochem, Beijing 102413, Peoples R China
来源：
MOLECULES | 2025年 / 30卷 / 14期
关键词：
metal-organic framework; imidazole-4,5-dicarboxylic Acid; UiO-66(Zr); high uranium adsorption capacity; high selectivity; METAL-ORGANIC FRAMEWORKS; U(VI); SUBSTITUENTS; EXTRACTION; RECOVERY; REMOVAL; CAPTURE; WATER; SITE;
D O I：
10.3390/molecules30142966
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
In this study, a novel adsorbent, UiO-66-H3IMDC, was successfully prepared by functionalizing UiO-66 with imidazole-4,5-dicarboxylic acid (H3IMDC). The effective functionalization of H3IMDC on UiO-66 was confirmed by powder X-ray diffraction (PXRD) and Fourier transform infrared spectroscopy (FT-IR). The relationships between the adsorption of U(VI) on UiO-66-H3IMDC and the contact time, the pH of the solution, as well as the initial concentration of U(VI) were investigated. Additionally, the selective adsorption of U(VI) by UiO-66-H3IMDC and its cyclic regeneration performance were also studied. The results demonstrate that the UiO-66-H3IMDC adsorbent exhibits excellent adsorption performance for uranium in aqueous solutions.
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页数：12
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