供水管网余氯衰减模型及其影响因素分析  

Residual chlorine decay model of water supply network and its influencing factors analysis

作　　者：戚雷强 李婉婷 朱延平 Qi Leiqiang;Li Wanting;Zhu Yanping(College of Environmental Science and Engineering,Donghua University,Shanghai 201620,China;Shanghai Waterworks Fengxian Co.Ltd.,Shanghai 201400,China)

机构地区：[1]东华大学环境科学与工程学院,上海201620 [2]上海市自来水奉贤有限公司,上海201400

出　　处：《供水技术》2021年第3期1-4,共4页Water Technology

基　　金：上海市科委社发重点项目(19DZ1204400)。

摘　　要：饮用水消毒副产物会对人体健康产生不利影响,因此必须控制消毒剂的投加量。叙述了初始氯浓度、温度、氨氮浓度、TOC浓度以及管材对余氯衰减的影响,简要描述了一级反应模型、二级反应模型以及其他二级拓展模型等在余氯衰减模拟中的应用。Drinking water disinfection by-products would have adverse effects on human health,so the dosage of disinfectant must be controlled.The effects of initial chlorine concentration,temperature,ammonia nitrogen concentration,TOC concentration and pipe material on residual chlorine attenuation were described.The applications of first-order reaction model,second-order reaction model and other second-order extended models in residual chlorine attenuation simulation were briefly described.

关 键 词：余氯衰减模型 影响因素 供水管网 消毒副产物 

分 类 号：TU991.25[建筑科学—市政工程]