[1]张鑫,于思伟,郏江辉,等.好氧颗粒污泥减缓MBR膜污染的研究进展[J].中国给水排水,2024,40(8):28-33.
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好氧颗粒污泥减缓MBR膜污染的研究进展

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第40卷 期数: 2024年第8期 页码: 28-33 栏目: 出版日期: 2024-04-17
Title:
Research Progress of Aerobic Granular Sludge in Reducing MBR Membrane Fouling
作者:
张鑫1,2,3， 于思伟1,2， 郏江辉1,2， 包罗1,2， 朱勤燕1,2， 李新冬1,2
（1.江西理工大学 土木与测绘工程学院，江西 赣州 341000；2.赣州市赣江流域水质安全保障技术创新中心，江西 赣州 341000；3.西安晶能环保科技有限公司，陕西 西安 710000）
Author(s):
ZHANG　Xin1，2，3， YU Si-wei1，2， JIA Jiang-hui1，2， BAO Luo1，2， ZHU Qin-yan1，2， LI　Xin-dong1，2
（1. School of Civil and Surveying & Mapping Engineering， Jiangxi University of Science and Technology， Ganzhou 341000， China； 2. Innovation Center for Water Quality Security Technology at Ganjiang River Basin， Ganzhou 341000， China； 3. Xi’an Jingneng Environmental Protection Technology Co. Ltd.， Xi’an 710000， China）
关键词:
好氧颗粒污泥;  膜生物反应器;  膜污染;  膜污染阻力;  粒径;  胞外聚合物
Keywords:
aerobic granular sludge;  membrane bioreactor;  membrane fouling;  membrane fouling resistance;  particle size;  extracellular polymeric substances
摘要:
膜污染问题一直以来都是膜生物反应器（MBR）面临的重大挑战之一，引入好氧颗粒污泥（AGS）则是控制膜污染的一种新途径。介绍了好氧颗粒污泥对MBR混合液特性的影响，将好氧颗粒污泥膜生物反应器（AGMBR）与传统MBR对比分析，系统阐述了AGMBR中膜污染情况和其膜阻力分布，以及AGS的特性（颗粒污泥粒径分布、胞外聚合物成分及含量）对MBR膜污染的控制效果，并深入探究AGS缓解膜污染的机理。研究表明，调节好氧颗粒污泥粒径，控制溶解性微生物产物（SMP）与胞外聚合物（EPS）的含量以维持颗粒污泥稳定性可显著降低膜污染速率，延长膜组件的使用寿命。通过引入成熟稳定的AGS来改善污泥混合液特性对于MBR中膜污染控制前景广阔，然而AGMBR的工程化应用还有待深入研究，维持AGS的稳定性及进一步明确AGS对MBR膜组件的影响在未来仍是重要的研究方向。
Abstract:
The membrane fouling in membrane bioreactor (MBR) is always one of the main challenges faced by researchers， and the introduction of aerobic granular sludge (AGS) is a new way to control membrane fouling. The effect of AGS on the characteristics of MBR mixed liquids is introduced. Based on the comparison analysis of aerobic granular sludge membrane bioreactor (AGMBR) and traditional MBR, the membrane fouling and the distribution of membrane resistance in AGMBR, and the characteristics of AGS (particle size distribution, composition and content of extracellular polymeric sbustances), were systematically explored. The mechanism of membrane pollution mitigation was further discussed. By adjusting the particle size of aerobic granular sludge and controlling the content of soluble microbial product (SMP) and extracellular polymeric substances (EPS) to maintain the stability of granular sludge, the membrane fouling rate can be significantly reduced and the service life of the membrane can be prolonged. The introduction of mature and stable AGS to improve the characteristics of mixed liquids has broad prospects for MBR membrane fouling control. However, the engineering application of the AGMBR process needs further study. Strengthening the stability of AGS and further clarifying the influence of AGS on the MBR system are still an important research direction in the future.

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更新日期/Last Update: 2024-04-17