MgAl2O4/CoFe2O4/Zeolite A magnetic ceramic nanocomposite for efficacious elimination of Methylene blue from aqueous solutions: composition influence

IF 3.5 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Research on Chemical Intermediates Pub Date : 2025-07-16 DOI:10.1007/s11164-025-05679-1

Sania Sanjabi, Alireza Salehirad

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Abstract

MgAl₂O₄/CoFe₂O₄/Zeolite A magnetic nanocomposite has been designed and fabricated as an efficacious adsorbent to eliminate methylene blue (MB) from aqueous solutions. The influence of the nanocomposite chemical composition and as well as the adsorption conditions on the MB removal efficiency has been perused. The comparative study of kinetic models defined which the MB adsorption onto the nanocomposite followed pseudo-second-order kinetics. Pursuant to the experimental results analyzed using Langmuir isotherm, the maximum adsorption capacity of MB on the nanocomposite was 19.33 mg/g. Under optimal adsorption conditions including a temperature of 50 °C, a contact time of 30 min, an adsorbent dosage of 0.3 g, a pH 12 and an adsorbed initial concentration of 40 mg.L⁻¹, a removal efficiency of 99.9% was achieved. The thermodynamic investigation of MB adsorption onto the nanocomposite recognized that the process was endothermic and accompanied by an increase in entropy.

Graphical Abstract

Abstract Image

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MgAl2O4/CoFe2O4/沸石一种有效去除水溶液中亚甲基蓝的磁性陶瓷纳米复合材料：组成影响

设计并制备了MgAl2O4/CoFe2O4/沸石磁性纳米复合材料，作为去除亚甲基蓝（MB）的有效吸附剂。研究了纳米复合材料的化学组成和吸附条件对MB去除效率的影响。动力学模型的比较研究确定了纳米复合材料对MB的吸附符合准二级动力学。根据Langmuir等温线分析的实验结果，纳米复合材料对MB的最大吸附量为19.33 mg/g。最佳吸附条件为：温度为50℃，接触时间为30 min，吸附剂用量为0.3 g， pH为12，吸附初始浓度为40 mg。L−1时，去除率达99.9%。对纳米复合材料吸附MB的热力学研究表明，吸附过程是吸热的，并且伴随着熵的增加。图形抽象

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来源期刊

Research on Chemical Intermediates 化学-化学综合

CiteScore

5.70

自引率

18.20%

发文量

229

审稿时长

2.6 months

期刊介绍： Research on Chemical Intermediates publishes current research articles and concise dynamic reviews on the properties, structures and reactivities of intermediate species in all the various domains of chemistry. The journal also contains articles in related disciplines such as spectroscopy, molecular biology and biochemistry, atmospheric and environmental sciences, catalysis, photochemistry and photophysics. In addition, special issues dedicated to specific topics in the field are regularly published.