不同带电纳滤膜处理抗生素的比较研究

IF 8.3 1区工程技术 Q1 ENGINEERING, CHEMICAL

Desalination Pub Date : 2024-11-17 DOI:10.1016/j.desal.2024.118316

Zhiyu Liu, Hui Wen, Shihai Jiang, Jiajie Xu, J. Paul Chen

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引用次数: 0

摘要

抗生素是用于预防疾病等用途的合成有机化合物。然而，它们已经引起了一系列的生态毒理学效应，可能对人类和生物有害。纳滤技术可以有效地去除制药废水等多种废水中的抗生素。由于羧基和氨基，NF膜总是带电的。本研究旨在评价负电荷（nTFC）、正电荷（pTFC）和双电荷（dTFC）滤膜处理几种抗生素化合物：环丙沙星、氧氟沙星、四环素、阿米卡星和红霉素的性能。nTFC、dTFC和pTFC膜的渗透率分别为26.1、19.5和14.0 L/（m2·h·bar）。dTFC膜具有良好的通透性和抗菌性。溶液pH对nTFC和pTFC膜的去除率影响较大，对dTFC膜的去除率影响较小。结果表明，dTFC膜比nTFC膜和pTFC膜更有效。在含抗生素废水等工业废水的处理中具有很大的潜力。我们的发现将为NF膜的制备提供一种可行的方法，以更好地治疗抗生素和其他类似的药物，具有更高的效率和更大的选择性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

A comparative study of antibiotic treatment by different charged nanofiltration membranes

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A comparative study of antibiotic treatment by different charged nanofiltration membranes

Antibiotics are synthesized organic compounds for such applications as prevention of diseases. However, they have caused a series of ecotoxicological effects that can potentially be harmful to humans and living organisms. Nanofiltration (NF) can effectively remove antibiotics from many waste streams, such as pharmaceutical wastewater. NF membranes are always charged due to carboxyl and amino groups. This study aims to evaluate performance of negatively (nTFC), positively (pTFC), and dually (dTFC) charged NF membranes in treatment of several antibiotic compounds: ciprofloxacin, ofloxacin, tetracycline, amikacin, and erythromycin. The values of permeance were 26.1, 19.5, and 14.0 L/(m²·h·bar) for nTFC, dTFC, and pTFC membrane, respectively. The dTFC membrane worked well in both permeability and treatment of the antibiotics. The solution pH greatly influenced the removal efficiency of the nTFC and pTFC membranes, while it had less effect on the dTFC membranes. The results demonstrated that dTFC membrane was more efficient than nTFC and pTFC membranes. It would have great potentials in treatment of such industrial effluent as antibiotics-containing wastewater. Our findings would provide a workable approach for fabrication of NF membranes for better treatment of antibiotics and other similar ones with higher efficiencies and greater selectivity.

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来源期刊

Desalination 工程技术-工程：化工

CiteScore

14.60

自引率

20.20%

发文量

619

审稿时长

41 days

期刊介绍： Desalination is a scholarly journal that focuses on the field of desalination materials, processes, and associated technologies. It encompasses a wide range of disciplines and aims to publish exceptional papers in this area. The journal invites submissions that explicitly revolve around water desalting and its applications to various sources such as seawater, groundwater, and wastewater. It particularly encourages research on diverse desalination methods including thermal, membrane, sorption, and hybrid processes. By providing a platform for innovative studies, Desalination aims to advance the understanding and development of desalination technologies, promoting sustainable solutions for water scarcity challenges.