In order to improve the U(VI) adsorption capacity of the metal-organic frameworks UiO-66 in the acidic water environment, UiO-66-AO nanocrystals were synthesized on the basis of literature for the first time. Scanning electron microscopy and Fourier transform infrared spectra revealed that the successful synthesis of UiO-66-AO nanoparticles. The UiO-66-AO nanocomposites were used to remove U(VI) from aqueous solution. UiO-66-AO showed the effective adsorption of U(VI) compared to UiO-66 in the acidic environment and Fe₃O₄@SiO₂-AO in the neutral or alkaline environment, respectively. The adsorption isotherms of the nanocomposites could be described very well by the Freundlich equation with ultra-high maximum adsorption capacity of 227.8 mg/g. The synergistic effect of the amidoxime group and the metal-organic frameworks UiO-66 has great significance for the extraction of U(VI) from seawater and industrial wastewater.

为了提高金属有机骨架UiO-66在酸性水环境中的U（VI）吸附能力，首次根据文献合成了UiO-66-AO纳米晶体。扫描电子显微镜和傅立叶变换红外光谱表明，UiO-66-AO纳米粒子的成功合成。UiO-66-AO纳米复合材料用于从水溶液中去除U（VI）。与酸性环境中的UiO-66和Fe ₃ O ₄ @SiO ₂相比，UiO-66-AO表现出对U（VI）的有效吸附。-AO分别在中性或碱性环境中。纳米复合材料的吸附等温线可以用Freundlich方程很好地描述，最大吸附容量为227.8 mg / g。mid胺肟基和金属有机骨架UiO-66的协同作用对于从海水和工业废水中提取U（VI）具有重要意义。