IF 6.3 2区 工程技术 Q1 ENGINEERING, CHEMICAL Journal of water process engineering Pub Date : 2025-03-14 DOI:10.1016/j.jwpe.2025.107469
Kablan Ebah , Hala Bensalah , Souad Nekhlaoui , Marya Raji , Rachid Bouhfid , Abou el kacem Qaiss
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引用次数: 0

摘要

工业发展导致了环境污染物的产生,引起了全球关注。随着结构复杂的系统的发展,智能柔性膜在处理污染废水方面获得了极大关注。本研究开发了一种柔性智能压电催化复合膜,该膜由二维碳纳米颗粒增强,二维碳纳米颗粒来自轮胎橡胶(GTR)的热解和活化。该膜基于聚偏二氟乙烯(PVDF),采用非溶剂诱导相分离法(NIPS)制造,其中加入了 7.5 wt.%的苯乙烯-乙烯-丁烯-苯乙烯(SEBS)和不同浓度(0.5 至 5 wt.%)的二维碳纳米颗粒。使用原子力显微镜(AFM)和扫描电子显微镜(SEM)对碳纳米粒子的尺寸分布和膜的形态特性进行了表征。通过拉伸试验、电导率测量、拉曼光谱、傅立叶变换红外光谱(FTIR)和接触角(CA)分析,对膜的机械、电气和热性能进行了评估。二维碳纳米颗粒的加入促进了 PVDF 向压电 β 相的转化,3 wt.% 的掺碳膜表现出优异的机械和热性能。这种膜的电导率也显著提高,从 10-¹¹ S cm-¹ 提高到 10-⁵ S cm-¹。此外,该膜对亚甲蓝(MB)和有毒罗丹明 B(RhB)的降解效率分别达到了 79.07% 和 94.56%。这项研究强调了从轮胎废料中成功制备出二维碳纳米颗粒,并将其应用于制造具有高压电性能和污染物降解能力的多晶压电催化膜。这些发现为基于膜的压电催化技术开辟了新的前景,使其成为一种前景广阔的废水净化方法。
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Smart and flexible PVDF/SEBS membranes reinforced with pyrolytic carbon black nanoparticles from waste tires for enhanced wastewater remediation
Industrial development has led to the generation of environmental contaminants, raising global concerns. With the advancement of structurally complex systems, smart and flexible membranes have gained significant attention for treating contaminated wastewater. This study develops a flexible and intelligent piezocatalytic composite membrane reinforced with 2D carbon nanoparticles derived from the pyrolysis and activation of ground tire rubber (GTR). The membranes, based on polyvinylidene fluoride (PVDF), were fabricated using non-solvent induced phase separation (NIPS) by incorporating styrene-ethylene-butylene-styrene (SEBS) at 7.5 wt.% and 2D carbon nanoparticles at varying concentrations (0.5 to 5 wt.%). The size distribution of the carbon nanoparticles and the morphological properties of the membranes were characterized using atomic force microscopy (AFM) and scanning electron microscopy (SEM). The mechanical, electrical, and thermal properties of the membranes were evaluated through tensile tests, electrical conductivity measurements, Raman spectroscopy, Fourier transform infrared spectroscopy (FTIR), and contact angle (CA) analysis. The incorporation of 2D carbon nanoparticles facilitated the transformation of PVDF into the piezoelectric β-phase, with the 3 wt.% carbon-doped membrane exhibiting exceptional mechanical and thermal properties. This membrane also demonstrated a significant increase in electrical conductivity, from 10⁻¹¹ S cm⁻¹ to 10⁻⁵ S cm⁻¹. Furthermore, the membrane achieved remarkable degradation efficiencies of 79.07% for methylene blue (MB) and 94.56% for toxic rhodamine B (RhB). This work highlights the successful production of 2D carbon nanoparticles from tire waste and their application in creating polymorphic piezocatalytic membranes with high piezoelectric performance and pollutant degradation capabilities. The findings open new perspectives for membrane-based piezocatalysis as a promising approach for wastewater purification.
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来源期刊
Journal of water process engineering
Journal of water process engineering Biochemistry, Genetics and Molecular Biology-Biotechnology
CiteScore
10.70
自引率
8.60%
发文量
846
审稿时长
24 days
期刊介绍: The Journal of Water Process Engineering aims to publish refereed, high-quality research papers with significant novelty and impact in all areas of the engineering of water and wastewater processing . Papers on advanced and novel treatment processes and technologies are particularly welcome. The Journal considers papers in areas such as nanotechnology and biotechnology applications in water, novel oxidation and separation processes, membrane processes (except those for desalination) , catalytic processes for the removal of water contaminants, sustainable processes, water reuse and recycling, water use and wastewater minimization, integrated/hybrid technology, process modeling of water treatment and novel treatment processes. Submissions on the subject of adsorbents, including standard measurements of adsorption kinetics and equilibrium will only be considered if there is a genuine case for novelty and contribution, for example highly novel, sustainable adsorbents and their use: papers on activated carbon-type materials derived from natural matter, or surfactant-modified clays and related minerals, would not fulfil this criterion. The Journal particularly welcomes contributions involving environmentally, economically and socially sustainable technology for water treatment, including those which are energy-efficient, with minimal or no chemical consumption, and capable of water recycling and reuse that minimizes the direct disposal of wastewater to the aquatic environment. Papers that describe novel ideas for solving issues related to water quality and availability are also welcome, as are those that show the transfer of techniques from other disciplines. The Journal will consider papers dealing with processes for various water matrices including drinking water (except desalination), domestic, urban and industrial wastewaters, in addition to their residues. It is expected that the journal will be of particular relevance to chemical and process engineers working in the field. The Journal welcomes Full Text papers, Short Communications, State-of-the-Art Reviews and Letters to Editors and Case Studies
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