Investigate Performance of ATGF nanocomposite based on guar gum polymer for adsorption of Congo Red dye and alpha lipoic acid drug from wastewater: study kinetics and simulation

IF 2.9 4区化学 Q2 POLYMER SCIENCE Polymer International Pub Date : 2024-09-07 DOI:10.1002/pi.6691

Fatemeh Tazimifar, Pegah Nazarizadeh, Ali Reza Akbarzadeh

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Abstract

In this study, the synthesized nanocomposite novel arginine/thiourea/guar gum/ferrite (ATGF) adsorbent was evaluated for the adsorption of alpha lipoic acid (ALA) and Congo Red (CR) from wastewater. The synthesized nanocomposite was examined by Brunauer–Emmett–Teller theory (BET), Termal gravimetric analysis (TGA), Fourier transform infrared spectrometer (FT‐IR), field emission scanning electron microscopy (FE‐SEM), X‐ray Diffraction (XRD), Vibrating sample magnetometer (VSM), and energy dispersive X‐ray (EDX). For the removal of ALA and CR from aqueous solution, the capacity of the nanocomposite was investigated by working on a series of experiments such as the effect of adsorbent dose, initial concentration, contact time, pH and temperature. The adsorption kinetics of these two pollutants were investigated using pseudo‐first‐order and pseudo‐second‐order velocity equations. The nanocomposite kinetics follow pseudo‐second‐order. Langmuir and Freundlich isotherms were investigated. The results show that the Langmuir isotherm model gives the maximum adsorption capacity of ALA as 96.93 mg g−1 and of CR as 229.34 mg g−1 on the nanocomposite. © 2024 Society of Chemical Industry.

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研究基于瓜尔胶聚合物的 ATGF 纳米复合材料吸附废水中刚果红染料和阿尔法硫辛酸药物的性能：动力学研究与模拟

本研究评估了合成的新型精氨酸/硫脲/瓜尔胶/铁氧体（ATGF）纳米复合吸附剂对废水中α-硫辛酸（ALA）和刚果红（CR）的吸附效果。布鲁纳-艾美特-泰勒理论（BET）、热重分析（TGA）、傅立叶变换红外光谱仪（FT-IR）、场发射扫描电子显微镜（FE-SEM）、X 射线衍射（XRD）、振动样品磁力计（VSM）和能量色散 X 射线（EDX）对合成的纳米复合材料进行了检测。通过一系列实验，如吸附剂剂量、初始浓度、接触时间、pH 值和温度的影响，研究了纳米复合材料去除水溶液中 ALA 和 CR 的能力。使用伪一阶和伪二阶速度方程研究了这两种污染物的吸附动力学。纳米复合材料的吸附动力学遵循伪一阶。研究了 Langmuir 和 Freundlich 等温线。结果表明，根据 Langmuir 等温线模型，纳米复合材料对 ALA 的最大吸附量为 96.93 mg g-1，对 CR 的最大吸附量为 229.34 mg g-1。© 2024 化学工业协会。

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来源期刊

Polymer International 化学-高分子科学

CiteScore

7.10

自引率

3.10%

发文量

135

审稿时长

4.3 months

期刊介绍： Polymer International (PI) publishes the most significant advances in macromolecular science and technology. PI especially welcomes research papers that address applications that fall within the broad headings Energy and Electronics, Biomedical Studies, and Water, Environment and Sustainability. The Journal’s editors have identified these as the major challenges facing polymer scientists worldwide. The Journal also publishes invited Review, Mini-review and Perspective papers that address these challenges and others that may be of growing or future relevance to polymer scientists and engineers.