Application of zirconium aspartic acid metal-organic framework (MIP-202(Zr)) for high efficient ruthenium adsorption from aqueous solutions

IF 1.6 3区工程技术 Q3 CHEMISTRY, INORGANIC & NUCLEAR Applied Radiation and Isotopes Pub Date : 2024-08-09 DOI:10.1016/j.apradiso.2024.111461

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Abstract

The zirconium metal – organic framework MIP-202(Zr), based on L-aspartic acid, was prepared by hydrothermal method and used for study of ruthenium adsorption from aqueous solutions. The obtained material was characterized by X-ray diffraction (XRD), infra red spectroscopy (IR), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). The batch adsorption experiment was performed for determination of adsorption equilibrium, kinetics and thermodynamics parameters to Ru(III) from aqueous solution on MIP-202(Zr). The data of ruthenium sorption onto MIP-202(Zr) were fitted and analyzed by the Langmuir, Freundlich and Temkin equilibrium isotherm models, while the Langumir adsorption isotherm models fit the best. Kinetic data were analyzed by four kinetic models, and ruthenium sorption on MIP202(Zr) can be describes the best by intra particle diffusion (Weber Morris). Analysis of thermodynamic properties of ruthenium ions sorption onto MIP-202(Zr) shows that the sorption process has a spontaneous and endothermic nature and is energetically beneficial.

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应用天冬氨酸锆金属有机框架 (MIP-202(Zr)) 高效吸附水溶液中的钌

通过水热法制备了基于 L-天冬氨酸的锆金属-有机框架 MIP-202(Zr)，并将其用于研究水溶液中钌的吸附。通过 X 射线衍射 (XRD)、红外光谱 (IR)、热重分析 (TGA)、差示扫描量热 (DSC)、扫描电子显微镜 (SEM) 和 X 射线光电子能谱 (XPS) 对所获得的材料进行了表征。批量吸附实验测定了 MIP-202(Zr)对水溶液中 Ru(III)的吸附平衡、动力学和热力学参数。钌在 MIP-202(Zr)上的吸附数据用 Langmuir、Freundlich 和 Temkin 平衡等温线模型进行了拟合和分析，其中 Langumir 吸附等温线模型的拟合效果最好。用四种动力学模型分析了动力学数据，MIP202(Zr)上的钌吸附可以用颗粒内扩散（韦伯-莫里斯）来描述，效果最好。钌离子在 MIP-202(Zr)上吸附的热力学性质分析表明，吸附过程具有自发和内热性质，在能量上是有利的。

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来源期刊

Applied Radiation and Isotopes 工程技术-核科学技术

CiteScore

3.00

自引率

12.50%

发文量

406

审稿时长

13.5 months

期刊介绍： Applied Radiation and Isotopes provides a high quality medium for the publication of substantial, original and scientific and technological papers on the development and peaceful application of nuclear, radiation and radionuclide techniques in chemistry, physics, biochemistry, biology, medicine, security, engineering and in the earth, planetary and environmental sciences, all including dosimetry. Nuclear techniques are defined in the broadest sense and both experimental and theoretical papers are welcome. They include the development and use of α- and β-particles, X-rays and γ-rays, neutrons and other nuclear particles and radiations from all sources, including radionuclides, synchrotron sources, cyclotrons and reactors and from the natural environment. The journal aims to publish papers with significance to an international audience, containing substantial novelty and scientific impact. The Editors reserve the rights to reject, with or without external review, papers that do not meet these criteria. Papers dealing with radiation processing, i.e., where radiation is used to bring about a biological, chemical or physical change in a material, should be directed to our sister journal Radiation Physics and Chemistry.