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锌铁氧体/β-环糊精聚合物纳米复合材料的热吸附及双酚A吸附性能

Thermal and bisphenol-A adsorption properties of a zinc ferrite/β-cyclodextrin polymer nanocomposite.

作者信息

Sirach Ruksana, Dave Pragnesh N

机构信息

Department of Chemistry, Sardar Patel University Vallabh Vidyanagar 388 120 Gujarat India

出版信息

RSC Adv. 2023 Jul 20;13(32):21991-22006. doi: 10.1039/d3ra03331g. eCollection 2023 Jul 19.


DOI:10.1039/d3ra03331g
PMID:37483676
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10358182/
Abstract

The present study investigated the use of a nanocomposite, produced by reinforcing nanosize zinc ferrite (ZnFeO) in a porous β-CD based polymeric matrix (β-CD-E-T/ZnFeO), for the removal of Bisphenol A (BPA) from aqueous solutions adsorption. The thermal stability of the β-CD-based polymer and β-CD-E-T/ZnFeO nanocomposite were investigated using simultaneous thermal analysis at four heating rates. Non-isothermal isoconversion methods were employed to study the thermal degradation kinetics of the β-CD based polymer before and after ZnFeO nano-filling. The results showed that ZnFeO nano-reinforcement increased the activation energy barrier for the thermal degradation of the β-CD-based polymeric matrix. Adsorption experiments showed that the β-CD-E-T/ZnFeO nanocomposite exhibited very high BPA adsorption within 5 minutes. Isotherm, kinetics, and thermodynamic investigations revealed that the adsorption of BPA was multilayer adsorption on a heterogeneous β-CD-E-T/ZnFeO surface. The thermodynamic studies indicated that BPA adsorption on β-CD-E-T/ZnFeO was spontaneous and exothermic. Overall, the β-CD-E-T/ZnFeO nanocomposite showed less thermal degradation and high efficiency for removing BPA from contaminated water, indicating its potential as a promising material for wastewater treatment applications.

摘要

本研究考察了一种纳米复合材料的应用,该材料是通过在基于多孔β-环糊精的聚合物基体(β-CD-E-T/ZnFeO)中增强纳米尺寸的铁酸锌(ZnFeO)制备而成,用于从水溶液吸附中去除双酚A(BPA)。使用同步热分析在四种加热速率下研究了基于β-环糊精的聚合物和β-CD-E-T/ZnFeO纳米复合材料的热稳定性。采用非等温热重转换方法研究了ZnFeO纳米填充前后基于β-环糊精的聚合物的热降解动力学。结果表明,ZnFeO纳米增强提高了基于β-环糊精的聚合物基体热降解的活化能垒。吸附实验表明,β-CD-E-T/ZnFeO纳米复合材料在5分钟内表现出非常高的BPA吸附量。等温线、动力学和热力学研究表明,BPA在β-CD-E-T/ZnFeO异质表面上的吸附为多层吸附。热力学研究表明,BPA在β-CD-E-T/ZnFeO上的吸附是自发的且放热的。总体而言,β-CD-E-T/ZnFeO纳米复合材料表现出较少的热降解,并且从受污染水中去除BPA的效率很高,表明其作为废水处理应用中有前景的材料的潜力。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/3ab033a05ff9/d3ra03331g-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/a0f53fc47b2d/d3ra03331g-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/b838c9987f80/d3ra03331g-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/0e81806cac78/d3ra03331g-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/74a23a68c24c/d3ra03331g-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/20dee9d371ce/d3ra03331g-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/1ae2096bb417/d3ra03331g-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/7bd20f8d0427/d3ra03331g-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/9ad23dbac047/d3ra03331g-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/3ab033a05ff9/d3ra03331g-f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/a0f53fc47b2d/d3ra03331g-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/b838c9987f80/d3ra03331g-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/0e81806cac78/d3ra03331g-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/74a23a68c24c/d3ra03331g-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/20dee9d371ce/d3ra03331g-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/1ae2096bb417/d3ra03331g-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/7bd20f8d0427/d3ra03331g-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/9ad23dbac047/d3ra03331g-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/193b/10358182/3ab033a05ff9/d3ra03331g-f8.jpg

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本文引用的文献

[1]
Assembled Bisphenol A with cyclic oligosaccharide as the controlled release complex to reduce risky effects.

Environ Sci Pollut Res Int. 2023-3

[2]
ZIF-8 metal organic framework materials as a superb platform for the removal and photocatalytic degradation of organic pollutants: a review.

RSC Adv. 2022-11-7

[3]
Structure confirmation and thermal kinetics of the inclusion of -jasmone in β-cyclodextrin.

RSC Adv. 2019-8-21

[4]
Hydroxyl porous aromatic frameworks for efficient adsorption of organic micropollutants in water.

RSC Adv. 2020-7-14

[5]
Fast, efficient and clean adsorption of bisphenol-A using renewable mesoporous silica nanoparticles from sugarcane waste ash.

RSC Adv. 2020-7-23

[6]
Efficient removal of bisphenol pollutants on imine-based covalent organic frameworks: adsorption behavior and mechanism.

RSC Adv. 2021-5-20

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Carbohydr Polym. 2021-8-1

[8]
The removal of anionic and cationic dyes from an aqueous solution using biomass-based activated carbon.

Sci Rep. 2021-4-21

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Biodegradation of Bisphenol A by sp. YC-JY1 and the Essential Role of Cytochrome P450 Monooxygenase.

Int J Mol Sci. 2020-5-19

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Appl Biochem Biotechnol. 2020-7

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