Carbon nanotube incorporated polyphenol electro-responsive ultrafiltration membranes toward dye separation

IF 6.3 2区 工程技术 Q1 ENGINEERING, CHEMICAL Journal of water process engineering Pub Date : 2025-03-13 DOI:10.1016/j.jwpe.2025.107379
Xinyi Wang, Zezhen Zhang, Weishan Deng, Haolan Xiao, Liming Xia, Lili Wu
{"title":"Carbon nanotube incorporated polyphenol electro-responsive ultrafiltration membranes toward dye separation","authors":"Xinyi Wang,&nbsp;Zezhen Zhang,&nbsp;Weishan Deng,&nbsp;Haolan Xiao,&nbsp;Liming Xia,&nbsp;Lili Wu","doi":"10.1016/j.jwpe.2025.107379","DOIUrl":null,"url":null,"abstract":"<div><div>Carbon nanotube (CNT) is a promising raw material for membrane fabrication due to its good electrical conductivity, great specific surface area, and special piping structure.</div><div>In this report, tannin (TA), CNT, and D-aspartic acid (DAS) were <em>co</em>-deposited on the surface of polyethersulfone (PES) ultrafiltration membrane to construct an electrically responsive coating. The membrane can maintain the high electrical conductivity while avoiding the membrane defects due to the accumulation of CNTs and the different lengths of chain segments in the process of CNT co-blending to form the membrane. The results show that the average pore size of the membrane is reduced from 19.55 nm to 8.165 nm, and the retention capacity is greatly improved, showing good separation efficiency (99.5 %) and hydrophilicity (water contact angle of 13°). Through adsorption and electric field deflection, CNT endows the membrane with the ability to selectively separate dyestuffs with different electrically charged properties. Long-term stability tests show that the modified membrane still maintains a high level of pure water flux and conductivity after seven days of operation. This paper is of exploratory significance in the field of electrically responsive smart membranes for dye separation. The membrane developed in this study exhibits unique selective separation performance and can dynamically adjust its separation efficiency by externally controlling the electric field strength. This demonstrates its excellent intelligence, making it highly promising for applications in electrically responsive intelligent separation membranes. Additionally, it offers a novel approach for treating dye-containing wastewater using electrically charged functional membranes.</div></div>","PeriodicalId":17528,"journal":{"name":"Journal of water process engineering","volume":"72 ","pages":"Article 107379"},"PeriodicalIF":6.3000,"publicationDate":"2025-03-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of water process engineering","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2214714425004519","RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, CHEMICAL","Score":null,"Total":0}
引用次数: 0

Abstract

Carbon nanotube (CNT) is a promising raw material for membrane fabrication due to its good electrical conductivity, great specific surface area, and special piping structure.
In this report, tannin (TA), CNT, and D-aspartic acid (DAS) were co-deposited on the surface of polyethersulfone (PES) ultrafiltration membrane to construct an electrically responsive coating. The membrane can maintain the high electrical conductivity while avoiding the membrane defects due to the accumulation of CNTs and the different lengths of chain segments in the process of CNT co-blending to form the membrane. The results show that the average pore size of the membrane is reduced from 19.55 nm to 8.165 nm, and the retention capacity is greatly improved, showing good separation efficiency (99.5 %) and hydrophilicity (water contact angle of 13°). Through adsorption and electric field deflection, CNT endows the membrane with the ability to selectively separate dyestuffs with different electrically charged properties. Long-term stability tests show that the modified membrane still maintains a high level of pure water flux and conductivity after seven days of operation. This paper is of exploratory significance in the field of electrically responsive smart membranes for dye separation. The membrane developed in this study exhibits unique selective separation performance and can dynamically adjust its separation efficiency by externally controlling the electric field strength. This demonstrates its excellent intelligence, making it highly promising for applications in electrically responsive intelligent separation membranes. Additionally, it offers a novel approach for treating dye-containing wastewater using electrically charged functional membranes.
查看原文
分享 分享
微信好友 朋友圈 QQ好友 复制链接
本刊更多论文
求助全文
约1分钟内获得全文 去求助
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
期刊最新文献
High-efficiency degradation of nanofiltration concentrates using an iron-modified self-breathing electrode in electro-Fenton systems MOF-on-MOF composite material derived from ZIF-67 precursor activated by peroxymonosulfate for the removal of metronidazole Facile preparation of N/P co-doped mesoporous biochar for efficient removal of methylene blue from aqueous solutions: A 2D-FTIR-COS, adsorption mechanism analysis, and fixed-bed column study Treating contaminated water with waste: Removal of hazardous Eriochrome black T dye from water system using poultry feather waste From agro-alimentary residue to catalyst: Transforming sunflower seed husk waste into modified biochar for efficient ibuprofen degradation in water
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
已复制链接
已复制链接
快去分享给好友吧!
我知道了
×
扫码分享
扫码分享
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1