LIN Xiao-dan,CHEN Fang-liang,QIANG Zhi-min,et al.Research and Application Progress on Micro-mechanism Models of Water Quality in Drinking Water Distribution Systems[J].China Water & Wastewater,2021,37(16):41-47.
供水管网水质微观机理模型研究及应用进展
- Title:
- Research and Application Progress on Micro-mechanism Models of Water Quality in Drinking Water Distribution Systems
- Keywords:
- DWDSs; water quality models; micro-mechanism models
- 摘要:
- 管网水质模型是评价供水管网水质、预测水质变化的有效工具。随着管网水质变化机理研究的不断深入，水质模型也不断完善。其中，微观机理模型是一个重要分支，因此有必要重点关注管网水质变化的影响因素及其机理。首先，以余氯衰减模型为例，介绍了模拟单一化学物质转化的微观机理模型的原理；其次，基于余氯衰减、消毒副产物生成、微生物生长模型，重点论述了模拟多物质反应过程的微观机理模型的研究进展；最后，总结了微观机理模型的应用。
- Abstract:
- Water quality model is an effective tool to evaluate the water quality and predict the water quality changes in drinking water distribution systems (DWDSs). The models are constantly improved with a continuous research progress on water quality change mechanism in DWDSs. Among the available models, the micro-mechanism models represent an important branch, which primarily focus on the influencing factors and the mechanism of water quality changes. The principle of micro-mechanism models that simulate the fate of a single chemical is first introduced by taking chlorine residual decay models as examples; and then, the latest research progress on micro-mechanism models that simulate multiple interactive chemical species is discussed based on chlorine residuals decay, disinfection by-products formation and microorganisms growing models; finally, the application of micromechanism models to DWDSs is summarized.
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