先进的超顺磁性交联壳聚糖基生物吸附剂水凝胶用于高效去除水中的靛蓝胭脂红染料：吸附等温线、动力学和热力学研究

IF 3.1 4区工程技术 Q2 POLYMER SCIENCE

Polymers for Advanced Technologies Pub Date : 2024-07-01 DOI:10.1002/pat.6513

Farnaz Azadikhah, Maryam Ghaderi, Hesam Khorsandi, Ali Reza Karimi

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引用次数: 0

摘要

工业染料造成的水污染对环境和人类健康构成了严重威胁。本研究的重点是开发先进的多孔交联壳聚糖基水凝胶和超顺磁性水凝胶纳米复合材料，以高效去除水中的靛蓝胭脂红（IC）染料。这些水凝胶使用苯并四羧酸二酐（BTDA）进行交联，并加入了功能化的磁性纳米铁粒子（CP-MNPs）。比较研究表明，超顺磁性水凝胶纳米复合材料在 IC 染料吸附方面表现出卓越的性能。在交联剂用量、pH 值和吸附剂用量较低的情况下，IC 去除率较高。与壳聚糖水凝胶相比，超顺磁性水凝胶纳米复合材料表现出更优越的 IC 染料吸附性能。吸附过程遵循伪二阶动力学模型和 Langmuir 等温线模型。热力学数据表明，超顺磁性水凝胶纳米复合材料上的吸附是内热和自发的，使其成为一种具有环境应用前景的材料。

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Advanced superparamagnetic cross‐linked chitosan‐based biosorbent hydrogel for efficient removal of indigo carmine dye from water: Adsorption isotherms, kinetics, and thermodynamic studies

Water contamination from industrial dyes poses a significant threat to the environment and human health. This study focuses on the development of advanced porous cross‐linked chitosan‐based hydrogels and superparamagnetic hydrogel nanocomposites for efficient removal of indigo carmine (IC) dye from water. The hydrogels were cross‐linked using benzophenonetetracarboxylic dianhydride (BTDA) and incorporated functionalized magnetic iron nanoparticles (CP‐MNPs). A comparative study revealed that the superparamagnetic hydrogel nanocomposite exhibited superior performance in IC dye adsorption. Higher IC removal efficiencies were observed at lower amounts of cross‐linker, pH, and adsorbent dosage. The superparamagnetic hydrogel nanocomposite demonstrated superior IC dye adsorption compared with the chitosan hydrogel. The adsorption process followed a pseudo‐second‐order kinetic model and Langmuir isotherm model. Thermodynamic data indicated that the adsorption onto the superparamagnetic hydrogel nanocomposite was endothermic and spontaneous, making it a promising material for environmental applications.

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来源期刊

Polymers for Advanced Technologies 工程技术-高分子科学

CiteScore

6.20

自引率

5.90%

发文量

337

审稿时长

2.1 months

期刊介绍： Polymers for Advanced Technologies is published in response to recent significant changes in the patterns of materials research and development. Worldwide attention has been focused on the critical importance of materials in the creation of new devices and systems. It is now recognized that materials are often the limiting factor in bringing a new technical concept to fruition and that polymers are often the materials of choice in these demanding applications. A significant portion of the polymer research ongoing in the world is directly or indirectly related to the solution of complex, interdisciplinary problems whose successful resolution is necessary for achievement of broad system objectives. Polymers for Advanced Technologies is focused to the interest of scientists and engineers from academia and industry who are participating in these new areas of polymer research and development. It is the intent of this journal to impact the polymer related advanced technologies to meet the challenge of the twenty-first century. Polymers for Advanced Technologies aims at encouraging innovation, invention, imagination and creativity by providing a broad interdisciplinary platform for the presentation of new research and development concepts, theories and results which reflect the changing image and pace of modern polymer science and technology. Polymers for Advanced Technologies aims at becoming the central organ of the new multi-disciplinary polymer oriented materials science of the highest scientific standards. It will publish original research papers on finished studies; communications limited to five typewritten pages plus three illustrations, containing experimental details; review articles of up to 40 pages; letters to the editor and book reviews. Review articles will normally be published by invitation. The Editor-in-Chief welcomes suggestions for reviews.