High-performance of anti-bacterial composite membrane prepared from polyethersulfone-polyethylene glycol-silver nanoparticles

Q1 Social Sciences South African Journal of Chemical Engineering Pub Date : 2024-10-01 DOI:10.1016/j.sajce.2024.09.009

Afrillia Fahrina , Nasrul Arahman , Muhammad Roil Bilad , Sri Aprilia , Sri Mulyati , Bahar Yavuztürk Gül , Ayse Yuksekdag , Sevde Korkut , Ismail Koyuncu , Muhammad Aziz , Mathias Ulbricht

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Abstract

A bench-scale study of river water treatment using composite polyethersulfone (PES) membrane was carried out. Polyethylene glycol-silver nanoparticles (PEG-AgNPs) additive was designed to support the simultaneous filtration and disinfection performance of PES membranes via in situ incorporation. Significant improvements in the PES membranes after modification with PEG-AgNPs were observed. The experimental results showed that the PEG-AgNPs increased the PES membrane water flux from 2.87 to 172.84 L/m²·h. The anti-fouling test of the PES membrane toward humic acid molecules after the addition of PES/PEG-AgNPs increased the reversible fouling and decreased the irreversible fouling. In terms of filtration performance, the PES/PEG-AgNP membranes showed high filtration performance, with a water disinfection ability of 99.99 %. Moreover, the leach of silver particles from the PES membrane forced by ultrasonication was <50 ppb, indicating the security and stability of the PES/PEG-AgNP membrane.

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聚醚砜-聚乙二醇-银纳米颗粒制备的高性能抗菌复合膜

利用复合聚醚砜（PES）膜对河水处理进行了一项实验室规模的研究。设计了聚乙二醇-银纳米粒子（PEG-AgNPs）添加剂，以通过原位添加的方式支持聚醚砜膜的同步过滤和消毒性能。经 PEG-AgNPs 改性后，PES 膜的性能得到了显著改善。实验结果表明，PEG-AgNPs 使 PES 膜的水通量从 2.87 升/平方米-小时提高到 172.84 升/平方米-小时。加入 PES/PEG-AgNPs 后，PES 膜对腐植酸分子的防污测试结果表明，可逆污垢增加，不可逆污垢减少。在过滤性能方面，PES/PEG-AgNP 膜显示出较高的过滤性能，水消毒能力达到 99.99%。此外，超声波强制从 PES 膜中浸出的银颗粒为 50 ppb，这表明 PES/PEG-AgNP 膜具有安全性和稳定性。

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来源期刊

South African Journal of Chemical Engineering Social Sciences-Education

CiteScore

8.40

自引率

0.00%

发文量

100

审稿时长

33 weeks

期刊介绍： The journal has a particular interest in publishing papers on the unique issues facing chemical engineering taking place in countries that are rich in resources but face specific technical and societal challenges, which require detailed knowledge of local conditions to address. Core topic areas are: Environmental process engineering • treatment and handling of waste and pollutants • the abatement of pollution, environmental process control • cleaner technologies • waste minimization • environmental chemical engineering • water treatment Reaction Engineering • modelling and simulation of reactors • transport phenomena within reacting systems • fluidization technology • reactor design Separation technologies • classic separations • novel separations Process and materials synthesis • novel synthesis of materials or processes, including but not limited to nanotechnology, ceramics, etc. Metallurgical process engineering and coal technology • novel developments related to the minerals beneficiation industry • coal technology Chemical engineering education • guides to good practice • novel approaches to learning • education beyond university.