Synthesis of magnetic UiO-66-NH2@EDTA-GO and mechanism study of simultaneous adsorption of Pb(ii) and organic dyes from water

文献情報

出版日 2023-10-05

DOI 10.1039/D3RE00399J

インパクトファクター 4.239

著者

Mingli Cao, Wei Yang

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要旨

Heavy metal ions and organic dyes are some of the main pollutants in water environments, which have the potential to cause harm to the ecological environment and human health. Although adsorption technology has been widely used in the treatment of pollutants in water, the selection of adsorbents is still a challenge considering the adsorption capacity and regeneration ability of the adsorbents. This article reports a new type of composite nanomaterial Fe3O4/UiO-66-NH2@EDTA-GO with magnetic and highly structured pore channels. The composite material is composed of Fe3O4, UiO-66-NH2, and functionalized graphene oxide, which has the advantages of magnetic recovery, high surface area, and well-developed porous structure. The adsorption behavior of the target pollutants on Fe3O4/UiO-66-NH2@EDTA-GO was investigated by batch adsorption experiments. The experimental results show that when the initial concentration of the target pollutants is 100 mg L−1, the temperature is 293 K, and the solution pH is 6, the adsorption capacity of Pb(II) reaches 82.81 mg g−1 after 60 min of adsorption, the adsorption capacity of methyl orange (MO) reaches 61.08 mg g−1 after 30 min of adsorption, and the adsorption capacity of methylene blue (MB) reaches 86.48 mg g−1 after 60 min of adsorption. This experiment also studied the adsorption capacity of Fe3O4/UiO-66-NH2@EDTA-GO for organic–inorganic binary composite pollutants and the interaction between different pollutants in the composite pollution system. The results show that the composite material has efficient adsorption capacity for different types of pollutants. The component analysis of the samples before and after adsorption was carried out by XPS, and Fe3O4/UiO-66-NH2@EDTA-GO has different adsorption mechanisms for different types of pollutants. This study provides a foundation for the application of new composite materials, which has important scientific and practical significance.

掲載誌

Reaction Chemistry & Engineering

CiteScore: 0

自己引用率: 8.8%

年間論文数: 284

Reaction Chemistry & Engineering is an interdisciplinary journal reporting cutting-edge research focused on enhancing the understanding and efficiency of reactions. Reaction engineering leverages the interface where fundamental molecular chemistry meets chemical engineering and technology. Challenges in chemistry can be overcome by the application of new technologies, while engineers may find improved solutions for process development from the latest developments in reaction chemistry. Reaction Chemistry & Engineering is a unique forum for researchers whose interests span the broad areas of chemical engineering and chemical sciences to come together in solving problems of importance to wider society. All papers should be written to be approachable by readers across the engineering and chemical sciences. Papers that consider multiple scales, from the laboratory up to and including plant scale, are particularly encouraged.

Synthesis of magnetic UiO-66-NH2@EDTA-GO and mechanism study of simultaneous adsorption of Pb(ii) and organic dyes from water

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Contents list

Editorial – Analytical Toxicology of Nanoparticles

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