介孔MCM-41的合成及其对亚甲基蓝染料的吸附性能

IF 1.4 4区化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR

Phosphorus, Sulfur, and Silicon and the Related Elements Pub Date : 2025-01-02 DOI:10.1080/10426507.2024.2448152

M. Balavinoth , P. Sumithraj Premkumar , C. Ravi Samuel Raj , J. Ilavarasi Jeyamalar

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引用次数: 0

摘要

本文研究了介孔材料MCM-41的合成和表征。MCM-41是一种高效去除水中亚甲基蓝染料的材料。以正硅酸四乙酯为原料，采用溶胶-凝胶法制备了环保型米糠油模板材料。利用各种光谱技术，如DRS-UV， FTIR， PXRD， BET， SEM， EDX， HR-TEM和TG-DTA分析对合成材料进行了表征。结果表明，该介孔结构具有高吸光度，六边形结构，比表面积385.28 m2/g，孔体积0.5875 cm³/g，孔径6.1 nm，热稳定性好等优良性能。吸附研究评估了染料浓度、吸附剂用量和吸附动力学的影响，表明MCM-41遵循具有准二级动力学的单层吸附机制。添加0.05 g MCM-41对亚甲基蓝染料的去除率最高可达88%。

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Synthesis and characterization of mesoporous MCM-41 from oil template for effective adsorption of methylene blue dye

This study focuses on the synthesis and characterization of mesoporous MCM-41, a highly effective material for removing Methylene Blue dye from water. The mesoporous material was synthesized using an eco-friendly rice bran oil template by sol-gel approach from tetraethyl orthosilicate. The synthesized material was characterized using various spectroscopic techniques, such as DRS-UV, FTIR, PXRD, BET, SEM, EDX, HR-TEM, and TG-DTA analysis. The analyses are revealing a mesoporous structure with impressive properties of high absorbance, hexagonal structure, surface area of 385.28 m²/g, pore volume of 0.5875 cm³/g, pore diameter of 6.1 nm and good thermal stability. Adsorption studies evaluated the effects of dye concentration, adsorbent dosage, and adsorption kinetics, demonstrating that MCM-41 follows a monolayer adsorption mechanism with pseudo-second-order kinetics. The maximum removal efficiencies of the Methylene Blue dye were found to 88% with 0.05 g of the MCM-41.

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来源期刊

Phosphorus, Sulfur, and Silicon and the Related Elements 化学-无机化学与核化学

CiteScore

2.60

自引率

7.70%

发文量

103

审稿时长

2.1 months

期刊介绍： Phosphorus, Sulfur, and Silicon and the Related Elements is a monthly publication intended to disseminate current trends and novel methods to those working in the broad and interdisciplinary field of heteroatom chemistry.