[1]王健,黄静,万鹏,等.电赋能复合导电超滤膜的运行特性与抗污染机理[J].中国给水排水,2026,42(15):1-8.
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电赋能复合导电超滤膜的运行特性与抗污染机理

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第42卷期数: 2026年第15期页码: 1-8 栏目: 出版日期: 2026-08-01

Title:: Operational Performance and Antifouling Mechanisms of a Conductive Ultrafiltration Membrane under Electrical Enhancement

作者:: 王健^1,2,3，黄静^2，3，万鹏^2,3，孙荡荡²，管运涛¹; （1.清华大学深圳国际研究生院，广东深圳 518055；2.深圳市水务规划设计院股份有限公司，广东深圳 518108；3.广东省水务大数据与水生态工程技术研究中心，广东深圳518108）

Author(s):: Wang　Jian^1，2，3， Huang　Jing^2，3， Wan Peng^2，3， Sun　Dangdang²， Guan　Yuntao¹; （1. Tsinghua Shenzhen International Graduate School， Shenzhen 518055， China； 2. Shenzhen Water Planning and Design Institute Co. Ltd.， Shenzhen 518108， China； 3. Guangdong Provincial Engineering and Technology Research Center for Water Affairs Big Data， Shenzhen 518108， China）

关键词:: 膜生物反应器（MBR）; 膜污染; 跨膜压差; 导电超滤膜; 电赋能

Keywords:: membrane bioreactor (MBR); membrane fouling; transmembrane pressure; conductive ultrafiltration membrane; electrical assistance

摘要:: 为缓解膜生物反应器（MBR）长期运行过程中的膜污染问题，构建了一种电赋能复合导电超滤膜（E-UF），并在实际市政污水条件下开展与普通超滤膜（UF）的长期对比实验，系统分析其运行特性及抗污染机理。结果表明，在实现COD、TN及NH₄⁺-N去除效果稳定的前提下，E-UF的跨膜压差（TMP）显著降低，稳定期的TMP较UF降低83.6%~90.6%，抽吸比能耗同步下降；三维荧光光谱分析显示，E-UF出水中蛋白类有机物及微生物代谢产物的荧光强度明显减弱；微生物群落分析表明，E-UF中反硝化相关菌属富集、潜在电子竞争菌减少；KEGG功能预测显示反硝化关键功能基因丰度提高，氮循环网络向更完整的反硝化路径偏移。电赋能运行通过电子分配优化与氮循环功能重构，削减污染前驱物生成并抑制滤饼层压实，实现对膜污染发展的有效控制，为电化学与生物处理耦合调控膜污染提供了理论依据。

Abstract:: To mitigate membrane fouling in the membrane bioreactors (MBR), an electrically assisted conductive ultrafiltration membrane unit (E-UF) was developed and operated in parallel with a conventional ultrafiltration (UF) membrane under real municipal wastewater conditions. The operational performance and antifouling mechanisms were systematically investigated. The results showed that, while maintaining stable COD, TN and NH₄⁺-N removal efficiencies, the E-UF system significantly suppressed transmembrane pressure (TMP) development, with steady-state TMP reduced by 83.6%-90.6% compared to the UF. The corresponding specific suction energy consumption was also markedly decreased. Excitation-emission matrix (EEM) analysis showed that the fluorescence regions associated with protein-like organic matter and microbial metabolic products in the E-UF effluent were markedly reduced. Microbial community analysis indicated enrichment of denitrification-related genera and reduction of potential electron-competing bacteria in E-UF. KEGG-based functional prediction further demonstrated enhanced abundances of key denitrification genes, suggesting a functional shift toward a more complete denitrification pathway. Electrically assisted operation optimized electron allocation and reshaped nitrogen metabolic networks, thereby reducing fouling precursor production and mitigating cake layer compaction. This study provides mechanistic insights into the coupling of electrochemical regulation and biological nitrogen transformation for sustainable fouling control in MBR systems.

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更新日期/Last Update: 2026-08-01