废对废处理：以黄钾铁铁为金属源，以废PET为可持续连接物，高效升级回收合成铁基MOF用于废水处理

IF 5.5 3区工程技术 Q1 ENGINEERING, CHEMICAL

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-03-14 DOI:10.1016/j.jtice.2025.106095

Pushpendra Kushwaha , Madhu Agarwal , Akhilendra Bhushan Gupta

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引用次数: 0

摘要

金属工业产生的大量废物污泥和废弃瓶子产生的塑料废物产生了有意义的处理和可持续利用的需要。因此，一种可持续的解决方案已经被考虑用于处理纺织品和药品的废物流。方法以金属和有机连接剂为原料合成铁基金属有机骨架（Fe-BDC MOF）。合成的铁基mof能有效地处理工业废水中的染料和抗生素。近年来，从人类健康和环境可持续发展的角度出发，制药和纺织工业废水中抗生素和染料的去除已成为迫切需要解决的问题。用市售的对苯二甲酸（Fe-BDC）制备了另一种Fe-BDC MOF进行对比分析。利用FTIR、FESEM-EDS、TGA、XRD、XPS和BET等技术对mof进行了表征。此外，还研究了制备的mof对诺氟沙星（NR）和亚甲基蓝（MB）染料的吸附性能。在最佳条件下[接触时间20 min （NR）、30 min （MB）、初始浓度25 mg/L、温度30℃、剂量0.3 g/L （NR）、1 g/L （MB）、pH(5.5)]，制备的Fe-BDC MOF对NR和MB的最大吸附量分别为1123.60和256.41 mg/g。NR和MB的去除符合Freundlich等温线和伪二阶模型。热力学研究结果表明，吸附是自发的、放热的。利用PET衍生的BDC合成Fe-BDC MOF是一种很有前途的处理环境PET废弃物的方法，同时可以有效地去除废水中的NR和MB。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Waste to waste treatment: Efficient upcycling of jarosite as a metal source and waste PET as a sustainable linker to synthesize iron-based MOF for wastewater treatment

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Waste to waste treatment: Efficient upcycling of jarosite as a metal source and waste PET as a sustainable linker to synthesize iron-based MOF for wastewater treatment

Background

A significant excess of waste sludge from the metal industry and plastic waste from discarded bottles creates the need for meaningful disposal and sustainable utilisation. Therefore, a sustainable solution has been considered to treat waste streams of textile and pharmaceuticals.

Method

An iron-based metal-organic framework (Fe-BDC MOF) is synthesised from metals and organic linkers. The synthesised iron-based MOFs efficiently treated dyes and antibiotics in industrial waste streams. Recently, antibiotic and dye removal from pharmaceutical and textile industry wastewater has been urgent from the viewpoint of human health and sustainable environment development. Another Fe-BDC MOF was prepared using commercially available terephthalic acid (Fe-BDC) for comparative analysis.

Finding

Developed MOFs were characterised using FTIR, FESEM-EDS, TGA, XRD, XPS, and BET techniques. Additionally, experiments were conducted to assess the adsorption of Norfloxacin (NR) and Methylene blue (MB) dye using developed MOFs. Under optimised conditions [contact time 20 min (NR), 30 min (MB), initial concentration 25 mg/L, temperature 30 °C, dose 0.3 g/L (NR), 1 g/L (MB) and pH (5.5)], according to Langmuir isotherm the developed Fe-BDC MOF shows maximum adsorption capacities of 1123.60 and 256.41 mg/g of NR and MB, respectively. The removal of NR and MB was well fitted with the Freundlich isotherm and pseudo 2nd order model. The outcomes of the thermodynamic study reveal that adsorption is exothermic and spontaneous. The synthesis of the Fe-BDC MOF with PET-derived BDC presents a promising method for addressing environmental PET waste while facilitating the efficient removal of NR and MB from wastewater.

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来源期刊

Journal of the Taiwan Institute of Chemical Engineers 工程技术-工程：化工

CiteScore

9.10

自引率

14.00%

发文量

362

审稿时长

35 days

期刊介绍： Journal of the Taiwan Institute of Chemical Engineers (formerly known as Journal of the Chinese Institute of Chemical Engineers) publishes original works, from fundamental principles to practical applications, in the broad field of chemical engineering with special focus on three aspects: Chemical and Biomolecular Science and Technology, Energy and Environmental Science and Technology, and Materials Science and Technology. Authors should choose for their manuscript an appropriate aspect section and a few related classifications when submitting to the journal online.