Simultaneous removal of tartrazine and erythrosine B using MnFe-layered double hydroxide nanoparticles modified PVDF polymer membrane

IF 4.8 3区材料科学 Q1 CHEMISTRY, APPLIED

Microporous and Mesoporous Materials Pub Date : 2025-02-26 DOI:10.1016/j.micromeso.2025.113569

Parsa Haroonian , Mehrorang Ghaedi , Hamedreza Javadian , Claudia Belviso , Mahboobeh Abbasi

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引用次数: 0

Abstract

Tartrazine (TZ) and erythrosine B (EB) dyes are extensively utilized as colorants in numerous commercial applications, including pharmaceuticals, textiles, and consumer products. However, their widespread use leads to the discharge of dye-containing wastewater, posing significant risks to aquatic ecosystems and human health. In this study, the simultaneous removal of these dyes was systematically investigated using MnFe-layered double hydroxides (LDHs)/PVDF as a composite membrane. A polyvinylidene fluoride (PVDF) polymer membrane was synthesized using the phase inversion method and subsequently modified with MnFe-LDH nanoparticles. The structural, morphological, and physicochemical properties of the prepared materials were characterized using XRD, BET, FT-IR, FE-SEM, EDS, and contact angle analyses. Critical operational parameters influencing the adsorption process, such as dye concentration, adsorption time, and adsorbent dosage, were systematically studied and optimized using response surface methodology (RSM) based on central composite design (CCD). In addition, the pH of the solution was optimized as a single independent variable. The impact of each parameter on the removal efficiency of the dyes was thoroughly analyzed. Optimization studies identified the following optimal conditions: Adsorption time = 15 min, the amount of adsorbent = 0.015 g, pH = 5, TZ = 16 mg/L, and EB = 13 mg/L. Under these conditions, removal efficiencies of 94.74 % and 92.13 % were achieved for TZ and EB dyes, respectively. The adsorption behavior was best described by the Langmuir isotherm model, indicating monolayer adsorption on a homogeneous surface. Kinetic evaluations revealed that the adsorption processes adhered closely to pseudo-first-order kinetic models. This study provides valuable insights into the development and application of MnFe-LDHs/PVDF composite membranes, highlighting their potential as effective materials for mitigating dye pollution in wastewater treatment systems.

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mnfe层状双氢氧化物纳米粒子修饰PVDF聚合物膜同时去除酒黄和红蛋白B

酒黄（TZ）和红素B （EB）染料在许多商业应用中广泛用作着色剂，包括制药、纺织品和消费品。然而，它们的广泛使用导致含染料废水的排放，对水生生态系统和人类健康构成重大风险。在这项研究中，系统地研究了mnfe层状双氢氧化物(LDHs)/PVDF作为复合膜同时去除这些染料。采用相转化法合成了聚偏氟乙烯（PVDF）聚合物膜，并用MnFe-LDH纳米粒子对其进行了修饰。采用XRD、BET、FT-IR、FE-SEM、EDS和接触角分析等手段表征了材料的结构、形貌和理化性质。采用基于中心复合设计（CCD）的响应面法（RSM）对染料浓度、吸附时间、吸附剂用量等影响吸附过程的关键操作参数进行了系统研究和优化。此外，溶液的pH值作为一个单一的自变量进行优化。深入分析了各参数对染料去除率的影响。优化研究确定了最佳吸附条件：吸附时间= 15 min，吸附剂用量= 0.015 g, pH = 5, TZ = 16 mg/L, EB = 13 mg/L。在此条件下，对TZ和EB染料的去除率分别为94.74%和92.13%。Langmuir等温线模型最能描述吸附行为，表明在均匀表面上有单层吸附。动力学评价表明，吸附过程符合准一级动力学模型。该研究为MnFe-LDHs/PVDF复合膜的开发和应用提供了有价值的见解，突出了它们作为减轻废水处理系统中染料污染的有效材料的潜力。

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来源期刊

Microporous and Mesoporous Materials 化学-材料科学：综合

CiteScore

10.70

自引率

5.80%

发文量

649

审稿时长

26 days

期刊介绍： Microporous and Mesoporous Materials covers novel and significant aspects of porous solids classified as either microporous (pore size up to 2 nm) or mesoporous (pore size 2 to 50 nm). The porosity should have a specific impact on the material properties or application. Typical examples are zeolites and zeolite-like materials, pillared materials, clathrasils and clathrates, carbon molecular sieves, ordered mesoporous materials, organic/inorganic porous hybrid materials, or porous metal oxides. Both natural and synthetic porous materials are within the scope of the journal. Topics which are particularly of interest include: All aspects of natural microporous and mesoporous solids The synthesis of crystalline or amorphous porous materials The physico-chemical characterization of microporous and mesoporous solids, especially spectroscopic and microscopic The modification of microporous and mesoporous solids, for example by ion exchange or solid-state reactions All topics related to diffusion of mobile species in the pores of microporous and mesoporous materials Adsorption (and other separation techniques) using microporous or mesoporous adsorbents Catalysis by microporous and mesoporous materials Host/guest interactions Theoretical chemistry and modelling of host/guest interactions All topics related to the application of microporous and mesoporous materials in industrial catalysis, separation technology, environmental protection, electrochemistry, membranes, sensors, optical devices, etc.