Effect of Microfiltration Membrane Configuration in Microplastics Recovery from Wastewater Treatment Effluent.

IF 3.3 4区工程技术 Q2 CHEMISTRY, PHYSICAL

Membranes Pub Date : 2025-05-02 DOI:10.3390/membranes15050137

Rubén Rodríguez-Alegre, Sergi Durán-Videra, Laura Pérez Megías, Montserrat Pérez-Moya, Julia García-Montaño, Carlos Andecochea Saiz, Xialei You

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引用次数: 0

Abstract

Water scarcity has driven the use of wastewater treatment plant (WWTP) effluents as reclaimed water, highlighting the need to overcome challenges such as the presence of emerging contaminants, particularly microplastics (MPs), which WWTPs are unable to effectively remove. Membrane-based processes, such as microfiltration, have demonstrated high efficiency in the removal of suspended solids, and their application for MP removal is currently under investigation. This study assesses the influence of microfiltration membrane spacer size (1 mil and 80 mil) and geometry-diamond and corrugated-on MP recovery performance, using synthetic wastewaters with varying MPs concentrations. The results indicate the superior performance of large corrugated and small diamond-shaped membranes, as both exhibited the highest and comparable permeate flux, with no MP retention within the membrane element. All microfiltration membranes achieved an 80% recovery of the influent as safe reclaimed water and demonstrated an MP recovery efficiency exceeding 99%, with 100% rejection for fragments and up to 98% rejection for fibres.

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微滤膜配置对废水处理出水微塑料回收的影响。

水资源短缺促使人们使用污水处理厂（WWTP）的废水作为再生水，这凸显了克服新出现的污染物，特别是微塑料（MPs）等挑战的必要性，而污水处理厂无法有效去除这些污染物。膜基工艺，如微过滤，在去除悬浮固体方面已经证明了高效率，它们在去除MP方面的应用目前正在研究中。本研究评估了微滤膜间隔尺寸（1 mil和80 mil）以及几何形状（菱形和波纹状）对合成废水中不同MPs浓度的MP回收性能的影响。结果表明，大波纹膜和小菱形膜的性能优越，两者都表现出最高的渗透通量和相当的渗透通量，膜元件内没有MP滞留。所有微滤膜均可将80%的进水回收为安全再生水，并显示出超过99%的MP回收效率，其中碎片回收率为100%，纤维回收率高达98%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Membranes Chemical Engineering-Filtration and Separation

CiteScore

6.10

自引率

16.70%

发文量

1071

审稿时长

11 weeks

期刊介绍： Membranes (ISSN 2077-0375) is an international, peer-reviewed open access journal of separation science and technology. It publishes reviews, research articles, communications and technical notes. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. Full experimental and/or methodical details must be provided.