基于 CuBTC/SPION 的金属有机框架复合材料在亚甲基蓝吸附中的应用

IF 1.5 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Clean-soil Air Water Pub Date : 2024-05-02 DOI:10.1002/clen.202300018
Thu Phuong Nguyen, Thi Thom Nguyen, Thi Nam Pham, Thi Hai Do, Magdalena Osial, Minh Khoi Le, Hong Nam Nguyen, Phuong Thu Le, Thi Mai Thanh Dinh
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引用次数: 0

摘要

本研究采用电化学方法合成了一种基于铜、苯-1,3,5-三羧酸(CuBTC)和 SPION 的复合材料(CuBTC/超顺磁性氧化铁纳米颗粒 [SPION]),用于从水溶液中磁性分离亚甲基蓝(MB)。在 1.4 至 5.4 V 的不同实验条件下合成了所提出的复合材料,并持续了 1-5 小时,随后使用不同的技术对其进行了研究。扫描电子显微镜显示了一种颗粒状结构,而布鲁瑙尔-艾美特-泰勒(Brunauer-Emmett-Teller)结果则显示了约 182 m2 g-1 的发达表面积。傅立叶变换红外线证实了 CuBTC 和 Fe3O4 所特有的官能团的存在,而 X 射线衍射则揭示了所得复合材料中 CuBTC 1D、CuBTC 3D 和 Fe3O4 的相结构。根据实验结果,在吸附剂质量、接触时间、溶液 pH 值、离子强度、初始浓度和温度的作用下,选择在 1.4 V 的电位下合成 5 小时的样品进行甲基溴吸附研究。最大吸附容量为 681 mg g-1,吸附过程遵循 Redlich-Peterson 和 Sips 等温线模型。CuBTC/SPION 的研究结果表明,该纳米复合材料是一种很有前景的吸附剂,可用于去除合成染料水和废水中的甲基溴。
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Metal organic framework composite based on CuBTC/SPION for application in methylene blue adsorption

In this work, a composite (CuBTC/superparamagnetic iron oxide nanoparticles [SPION]) based on copper, benzene-1,3,5-tricarboxylic acid (CuBTC) and SPION was synthesized by electrochemical method for the magnetic separation of methylene blue (MB) from aqueous solutions. The synthesis of the proposed composite was carried out under various experimental conditions from 1.4 to 5.4 V for 1–5 h and subsequently studied using different techniques. Scanning electron microscopy showed a granular structure, whereas Brunauer–Emmett–Teller results revealed a well-developed surface area of around 182 m2 g−1. Fourier transform infrared confirmed the presence of functional groups characteristic to CuBTC and Fe3O4, whereas X-ray diffraction revealed the phase structure of CuBTC 1D, CuBTC 3D, and Fe3O4 in the obtained composite. Based on the experimental results, the sample synthesized under a potential of 1.4 V for 5 h was selected for MB adsorption studies in the function of adsorbent mass, contact time, solution pH, ionic strength, initial concentration, and temperature. The maximum adsorption capacity was 681 mg g−1, and the adsorption undergoes the Redlich–Peterson and Sips isotherm model. The results obtained for CuBTC/SPION indicate that the nanocomposite is a promising adsorbent for removing MB in synthetic dye water and wastewater.

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来源期刊
Clean-soil Air Water
Clean-soil Air Water 环境科学-海洋与淡水生物学
CiteScore
2.80
自引率
5.90%
发文量
88
审稿时长
3.6 months
期刊介绍: CLEAN covers all aspects of Sustainability and Environmental Safety. The journal focuses on organ/human--environment interactions giving interdisciplinary insights on a broad range of topics including air pollution, waste management, the water cycle, and environmental conservation. With a 2019 Journal Impact Factor of 1.603 (Journal Citation Reports (Clarivate Analytics, 2020), the journal publishes an attractive mixture of peer-reviewed scientific reviews, research papers, and short communications. Papers dealing with environmental sustainability issues from such fields as agriculture, biological sciences, energy, food sciences, geography, geology, meteorology, nutrition, soil and water sciences, etc., are welcome.
期刊最新文献
Issue Information: Clean Soil Air Water. 11/2024 Effect of Intercropping Soybean on the Diversity of the Rhizosphere Soil Arbuscular Mycorrhizal Fungi Communities in Wheat Field Short-Term Benefits of Tillage and Agronomic Biofortification for Soybean–Wheat Cropping in Central India Issue Information: Clean Soil Air Water. 10/2024 Geochemical Interaction and Bioavailability of Zinc in Soil Under Long-Term Integrated Nutrient Management in Pearl Millet–Wheat System
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