Advanced Polymer Composites for Effective Removal of Perfluorooctanoic Acid (PFOA) Pollutants From Aqueous Solutions

IF 3.2 4区化学 Q2 CHEMISTRY, ANALYTICAL Luminescence Pub Date : 2024-11-11 DOI:10.1002/bio.70006

Vijayalakshmi Rajadurai, Umaiyambika Neduvel Annal, Duraisamy Elango, Vivek Mariappan Santhi, Sandhanasamy Devanesan, Saurav Dixit, Nikolai Ivanovich Vatin, Huang-Mu Lo

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Abstract

Perfluorooctanoic acid (PFOA) is extensively utilized in industrial applications, posing significant environmental and health risks because of its persistence and toxicity. Effective elimination methods are vital to mitigate its adverse effects on ecosystems and human health. In this study, we investigate the potential of biomass-derived polymer composite for PFOA adsorption in aqueous solution. Due to its unique surface interaction and porosity, the polymer-based composite derived from sustainable biomass sources exhibits favorable adsorption characteristics. The physicochemical properties of polymer composites were characterized using FTIR, XRD, SEM-EDS, XPS, and BET analysis. The polymer composites reached a maximum PFOA adsorption efficiency about 93.3% under optimized conditions determined by Box Behnken Design. The Langmuir isotherm model revealed and provided an adsorption capacity of PFOA about 13.98 mg g⁻¹. Moreover, the polymer-based composites demonstrated reusability, with removal rates of PFOA ranging from 93.3% to 52% over the course of four cycles after desorption. Our findings underscore the possibility of biomass-derived polymer composites as long-term and effective adsorbents for PFOA removal from aqueous environments.

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有效去除水溶液中全氟辛酸 (PFOA) 污染物的先进聚合物复合材料。

全氟辛酸（PFOA）被广泛应用于工业领域，由于其持久性和毒性，对环境和健康构成了重大风险。有效的消除方法对于减轻其对生态系统和人类健康的不利影响至关重要。本研究探讨了生物质衍生聚合物复合材料在水溶液中吸附全氟辛烷磺酸的潜力。由于其独特的表面相互作用和多孔性，可持续生物质来源的聚合物基复合材料表现出良好的吸附特性。利用傅立叶变换红外光谱、XRD、SEM-EDS、XPS 和 BET 分析对聚合物复合材料的理化性质进行了表征。在箱式贝肯设计（Box Behnken Design）确定的优化条件下，聚合物复合材料对 PFOA 的最大吸附效率约为 93.3%。Langmuir 等温线模型显示并提供了约 13.98 mg g-1 的全氟辛烷磺酸吸附容量。此外，聚合物基复合材料还具有可重复使用性，在解吸后的四个循环过程中，全氟辛烷磺酸的去除率从 93.3% 到 52% 不等。我们的研究结果强调了生物质衍生聚合物复合材料作为长期有效的吸附剂从水环境中去除全氟辛烷磺酸的可能性。

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来源期刊

Luminescence 生物-生化与分子生物学

CiteScore

5.10

自引率

13.80%

发文量

248

审稿时长

3.5 months

期刊介绍： Luminescence provides a forum for the publication of original scientific papers, short communications, technical notes and reviews on fundamental and applied aspects of all forms of luminescence, including bioluminescence, chemiluminescence, electrochemiluminescence, sonoluminescence, triboluminescence, fluorescence, time-resolved fluorescence and phosphorescence. Luminescence publishes papers on assays and analytical methods, instrumentation, mechanistic and synthetic studies, basic biology and chemistry. Luminescence also publishes details of forthcoming meetings, information on new products, and book reviews. A special feature of the Journal is surveys of the recent literature on selected topics in luminescence.