[1]许骐,寸淑娟,李魁晓,等.再生水厂指示微生物与病原菌及病毒的相关性[J].中国给水排水,2025,41(13):106-113.
　XUQi,CUNShu-juan,LIKui-xiao,et al.Correlation of Indicator Microorganisms with Pathogenic Bacteria and Viruses in a Water Reclamation Plant[J].China Water & Wastewater,2025,41(13):106-113.
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再生水厂指示微生物与病原菌及病毒的相关性

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第41卷 期数: 2025年第13期 页码: 106-113 栏目: 出版日期: 2025-07-01
Title:
Correlation of Indicator Microorganisms with Pathogenic Bacteria and Viruses in a Water Reclamation Plant
作者:
许骐1,2， 寸淑娟3， 李魁晓1,2， 王慰1,2， 王刚1,2， 刘如铟3
（1.北京城市排水集团有限责任公司，北京 100022；2.北京市污水资源化工程技术研究中心，北京 100124；3.中国科学院大学 资源与环境学院，北京 100049）
Author(s):
XU　Qi1，2， CUN　Shu-juan3， LI　Kui-xiao1，2， WANG　Wei1，2， WANG　Gang1，2， LIU　Ru-yin3
（1. Beijing Drainage Group Co. Ltd.， Beijing 100022， China； 2. Beijing Engineering Research Center of Wastewater Resource， Beijing 100124， China； 3. College of Resources and Environment， University of Chinese Academy of Sciences， Beijing 100049， China）
关键词:
再生水;  指示微生物;  致病菌;  病毒
Keywords:
water reclamation plant;  indicator microorganism;  pathogenic bacterium;  virus
摘要:
以某再生水厂为研究对象，对3种指示微生物、1种致病菌和6种人类相关病毒在各处理单元中的分布、去除规律和相关性进行了研究。结果表明，再生水厂进水中总大肠菌群、粪大肠菌群和大肠埃希氏菌3种指示微生物的浓度为106~108 MPN/L，经二级处理和深度处理后，去除率可达到5?lg~6?lg，出水粪大肠菌群均值为50 MPN/L。进水中嗜肺军团菌的平均浓度为81 MPN/mL，在超滤膜之后的处理单元中均未检出。值得注意的是，进水中人腺病毒、诺如病毒和人类疱疹病毒均有检出，其中人腺病毒检出率最高，达到95%，在进水中的平均浓度为2.7×106 copies/L，出水浓度降至5.3×104 copies/L，去除率为2.70?lg。相关性分析表明，3种指示微生物之间、指示微生物与嗜肺军团菌之间、指示微生物与病毒之间均呈显著正相关（P<0.01），指示微生物在一定程度上能够预测致病菌和病毒在再生水厂中的去除规律和浓度变化，通过控制指示微生物浓度水平可以有效保障再生水的生物安全性。
Abstract:
This study investigated the distribution, removal mechanism, and correlation of three indicator microorganisms, one pathogenic bacterium, and six human-related viruses in each treatment unit of a water reclamation plant. The concentrations of three indicator microorganisms (total coliform bacteria, fecal coliform bacteria, and Escherichia coli) in the influent of the water reclamation plant were in the range of 106-108 MPN/L. Following secondary treatment and advanced treatment processes, the removal efficiency reached approximately 5-lg-6-lg, with the average count of fecal coliform in the effluent being 50 MPN/L. The average concentration of Legionella pneumophila in the influent was 81 MPN/mL, and it was undetectable in the treatment units following the ultrafiltration process. It was important to highlight that human adenovirus, norovirus, and human herpesvirus were all detected in the influent. Notably, the detection rate of human adenovirus was the highest, reaching up to 95%. Its average concentration in the influent was 2.7×106 copies/L, while the concentration in the effluent decreased to 5.3×104 copies/L, achieving a removal efficiency of 2.70-lg. Correlation analysis revealed significant positive correlations among the three indicator microorganisms, as well as between these microorganisms and Legionella pneumophila, and between them and viruses (P<0.01). To some extent, the indicator microorganisms could predict the removal mechanisms and concentration variations of pathogenic bacteria and viruses in the water reclamation plant. Effective control of the concentration levels of indicator microorganisms could ensure the biological safety of reclaimed water.

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更新日期/Last Update: 2025-07-01