城镇污水处理提质增效“十步法”研究与应用
- Title:
- Research and Application of Ten-step Framework for Improving Municipal Wastewater Treatment Quality and Efficiency
- Keywords:
- font-size: 10pt; ">municipal wastewater treatment; quality and efficiency improvement; drainage system model; drainage network regulation; pipe network defect; drainage outlet reconstruction
- 摘要:
-
构建了以水量水质监测和管道检测为基础、污水排水系统模型为支撑的城镇污水处理提质增效“十步法”研究总体框架。开展了某试点城市的案例研究，确定了2.6 km2的试点区域，并选择该区域最下游的管网出口节点作为提质增效成效的关键目标节点。基于建立的污水排水系统模拟模型，开展了7种排水管网整治方案情景的水量水质模拟。结果分析表明，在对区域内关键管网缺陷和排口修复改造的情景下，近期关键节点BOD5浓度可从现状63.57 mg/L提升至大于100 mg/L的目标值。
- Abstract:
-
A 10- step research framework for improving municipal wastewater treatment quality and efficiency based on water quantity and quality monitoring and pipeline detection was established and supported by a sewage drainage system model. A pilot area of 2.6 km2 in a pilot city was studied and the downstream outlet node of sewage pipe network was selected as the key target node for improving quality and efficiency. Based on the established sewage drainage system model, the simulation analysis of water quantity and quality was carried out for 7 drainage network renovation scenarios. The results showed that the BOD5 concentration of the critical node will increase from 63.57 mg/L to the target value of over 100 mg/L under the renovation scenarios of key pipe network defects and outlet reconstruction in the region in the near future.
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