Synthesizing Metal–Organic Framework UiO-66 Based on Polyethylene Terephthalate Wastes in MW Fields for Removing the Food Dye Tartrazine from Aqueous Solutions via Adsorption

IF 0.7 4区化学 Q4 CHEMISTRY, PHYSICAL Russian Journal of Physical Chemistry A Pub Date : 2025-01-17 DOI:10.1134/S0036024424702352

V. V. Vergun, M. D. Bedenyapina, S. A. Kulaishin, V. V. Chernyshev, O. P. Tkachenko, V. D. Nissenbaum, V. I. Isaeva

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Abstract

A PET-UiO-66 sample of metal-organic framework UiO-66 (Zr₆O₄(OH)₄bdc, bdc = benzene-1,4-dicarboxylate/terephthalate), a promising adsorbent of persistent organic pollutants from aqueous media, is prepared using an original procedure assisted by MW activation of the reaction mass under atmospheric pressure following a one-step approach in the nontraditional “green” solvent triethylene glycol. The PET-UiO-66 material is synthesized using polymer waste (polyethylene terephthalate (PET)) as an organic linker (terephthalic or benzene-1,4-dicarboxylic acid, H₂bdc) to create the framework. Its adsorption activity is studied for the first time in the adsorption removal of the food dye tartrazine (Е-102) from aqueous media. It is established that the kinetics of adsorption is obeyed to a pseudo-second order, and its thermodynamics fits the Langmuir model.

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基于聚对苯二甲酸乙二醇酯废渣合成金属-有机骨架UiO-66吸附去除水中食用染料酒黄

金属-有机骨架uuo -66 （Zr6O4(OH)4bdc, bdc =苯-1,4-二羧酸酯/对苯二甲酸酯）是一种很有前途的水中持久性有机污染物吸附剂，采用传统的“绿色”溶剂三甘醇一步法，在常压下用MW激活反应质量，采用原始的方法制备了pet - uuo -66样品。PET- uio -66材料是用聚合物废料（聚对苯二甲酸乙二醇酯（PET））作为有机连接剂（对苯二甲酸或苯-1,4-二羧酸，H2bdc）合成的。首次研究了其吸附去除水介质中食用染料酒黄（Е-102）的活性。建立了吸附动力学服从准二级，热力学符合Langmuir模型。

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来源期刊

Russian Journal of Physical Chemistry A 化学-物理化学

CiteScore

1.20

自引率

14.30%

发文量

376

审稿时长

5.1 months

期刊介绍： Russian Journal of Physical Chemistry A. Focus on Chemistry (Zhurnal Fizicheskoi Khimii), founded in 1930, offers a comprehensive review of theoretical and experimental research from the Russian Academy of Sciences, leading research and academic centers from Russia and from all over the world. Articles are devoted to chemical thermodynamics and thermochemistry, biophysical chemistry, photochemistry and magnetochemistry, materials structure, quantum chemistry, physical chemistry of nanomaterials and solutions, surface phenomena and adsorption, and methods and techniques of physicochemical studies.