水力条件对供水管网微生物影响研究进展  

Research progress on the effects of hydraulic conditions on the microorganisms in water distribution networks

作　　者：房志伟 杨川 徐强[1] 强志民[1,2] FANG Zhiwei;YANG Chuan;XU Qiang;QIANG Zhimin(Key Laboratory of Drinking Water Science and Technology,Research Center for Eco-Environmental Sciences,Chinese Academy of Sciences,Beijing 100085,China;University of Chinese Academy of Sciences,Beijing 100049,China;Water Quality Monitoring Center,Beijing Waterworks Group,Beijing 100085,China)

机构地区：[1]中国科学院生态环境研究中心饮用水科学与技术重点实验室,北京100085 [2]中国科学院大学,北京100049 [3]北京市自来水集团水质监测中心,北京100085

出　　处：《给水排水》2024年第6期164-169,共6页Water & Wastewater Engineering

基　　金：国家自然科学基金项目(52170105);北京市自来水集团课题(20230639)。

摘　　要：供水管网内微生物异常增殖会降低水质,威胁用户用水安全,因此控制管网微生物是保障饮用水安全的重要措施。管网微生物的生长和去除受到管网水力条件的影响,且在管网不同位置处所受影响程度不同。综述了水力停留时间和流速对管网微生物生长的影响,以及水力冲刷对生物膜的去除作用,发现水力停留时间和流速对微生物量与群落结构有显著影响,水力冲刷对不同条件下形成的管壁生物膜去除效果不同,研究结果可为供水管网微生物控制的研究和应用提供重要参考。The abnormal proliferation of microorganisms in water supply networks(WSNs)reduces the water quality and threatens the user's water safety.Thus,controlling the biomass of microorganisms in WSNs is an important measure to ensure the safety of drinking water.The growth and removal of microorganisms in WSNs are affected by hydraulic conditions,and the extent of this effect varies from site to site in WSNs.In this paper,we review the effects of hydraulic retention time and velocity on the growth of microorganisms and the effect of hydraulic flushing on biofilms.Hydraulic retention time and velocity were found to have a significant effect on the biomass and community structure of microorganisms,and hydraulic flushing had different removal effects on biofilms formed under different conditions.The results of this review can provide important support for the research and application of microorganism control of WSNs.

关 键 词：供水管网 水力条件 微生物 

分 类 号：TU990[建筑科学—市政工程]