利用菠萝蜜种子废物生物质功能化的磁性纳米颗粒对刚果红染料吸附的高级建模：一种当代建模方法

IF 4.3 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Chemistry and Physics Pub Date : 2025-04-25 DOI:10.1016/j.matchemphys.2025.130947

V.C. Deivayanai, S. Karishma, P. Thamarai, A. Saravanan, P.R. Yaashikaa, A.S. Vickram

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引用次数: 0

摘要

在过去的几十年里，染料的污染是如此之高，因为在没有意识到它对生态系统造成的破坏的情况下，将废物排入水中。这项研究深入研究了利用涂有农业废弃物生物质的磁性纳米颗粒吸附去除刚果红（CR）染料。菠萝蜜种子废料在150°C左右的高温下碳化，然后酸洗以激活生物炭，该生物炭与化学合成的磁性纳米粒子——菠萝蜜磁性纳米粒子（JMNPs）混合。通过扫描电镜（SEM）对其进行了分析，证实了针状结构，傅里叶变换红外光谱（FTIR）对CR染料去除前后的官能团进行了验证。Brunauer emmet - teller （BET）被指示检查复合MNPs的孔隙率，其孔隙率为75.5 m2/g。新型JMNPs用于吸附，可有效去除染料，易于从溶液中分离，最高去除率为96.11%。通过建模技术，旨在理解CR染料去除过程的复杂性，其中Freundlich等温线和伪二阶动力学表现出更大的拟合和优化参数，以实现最大的染料去除效率。在pH为6，温度为303K时，多层染料的最大吸附量为257.9。该研究成果有望扩大低价生产和生态友好型战略，以减轻废水中的染料污染，解决环境问题和工业需求。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Advanced modeling of Congo red dye adsorption using magnetic nanoparticles functionalized with jackfruit seed waste biomass: A contemporary modeling approach

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Advanced modeling of Congo red dye adsorption using magnetic nanoparticles functionalized with jackfruit seed waste biomass: A contemporary modeling approach

In the past decades, the contamination of dye has been so high due to the disposal of the waste into the water without the knowledge of the destruction it causes to the ecosystem. This study delves into eliminating the Congo Red (CR) dye by adsorption employing magnetic nanoparticles coated with agro-waste biomass. Jackfruit seed waste is carbonized in high temperatures around 150 °C and acid washed to activate the biochar which is mixed with chemically synthesized magnetic nanoparticles, jackfruit magnetic nanoparticles (JMNPs). This is analyzed in a Scanning electron microscope (SEM) which confirms the needle shape and Fourier-transform infrared spectroscopy (FTIR) verifies the function group before and after CR dye removal. Brunauer Emmett-Teller (BET) is directed to check the porosity of the composite MNPs that are noted to be 75.5 m²/g. The novel JMNPs are used in the adsorption facilitating efficient dye removal and easy separation from the solution where the maximum removal rate is 96.11 %. Through modeling techniques, aims to comprehend the intricacies of the CR dye removal process where Freundlich isotherm and pseudo-second-order kinetic show a greater fit and optimize parameters to achieve maximal dye removal efficiency. The maximum multilayer dye adsorption capacity (q_m) was determined to be 257.9 at a pH 6 of and a temperature of 303K. The research outcomes hold promise for the expansion of low-priced production and eco-friendly strategies for mitigating dye contamination in wastewater, addressing both environmental concerns and industrial needs.

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来源期刊

Materials Chemistry and Physics 工程技术-材料科学：综合

CiteScore

8.70

自引率

4.30%

发文量

1515

审稿时长

69 days

期刊介绍： Materials Chemistry and Physics is devoted to short communications, full-length research papers and feature articles on interrelationships among structure, properties, processing and performance of materials. The Editors welcome manuscripts on thin films, surface and interface science, materials degradation and reliability, metallurgy, semiconductors and optoelectronic materials, fine ceramics, magnetics, superconductors, specialty polymers, nano-materials and composite materials.