LIU Yun-fan,LI Yu-hong,KONG Ye,et al.Methods and Practices of Quality and Efficiency Improvement of Municipal Wastewater Treatment in Hilly Areas Based on Water-sewage Diversion[J].China Water & Wastewater,2021,37(8):107-113.
基于清污分流的丘陵地区城镇污水提质增效方法与实践
- Title:
- Methods and Practices of Quality and Efficiency Improvement of Municipal Wastewater Treatment in Hilly Areas Based on Water-sewage Diversion
- 摘要:
- 当前我国许多城镇污水处理系统仍然面临着污水收集处理效能低下的问题，如何实现污水系统提质增效已经成为行业研究的焦点。以长江流域典型丘陵城市的实际案例为基础，着重探讨排水系统效能低下的根本原因和解决方案。提出要在做实系统排查的基础上，精准识别外水汇入点，定量评估外来水入流入渗情况，根据问题特征及道路管网改造条件“对症下药”。以清污分流为突破口，先重点，后全面，制定缓急有序的改造方案，可为山地丘陵城市实现污水系统提质增效提供指导和参考。
- Abstract:
- At present, many municipal wastewater treatment systems in China are still facing the problem of low efficiency in collection and treatment process. How to improve the quality and efficiency of sewage system has become a research focus. Based on the case study of typical hilly cities in the Yangtze River basin, the root causes and solutions of low efficiency of drainage system are discussed. It is pointed out that the point of extraneous inflow should be accurately identified and its infiltration should be quantitatively evaluated on the basis of thoroughly systematical investigation. Then appropriate strategies should be made according to the features of the problem and conditions of road network reconstruction. Therefore, with water-sewage diversion as a breakthrough, the urgent and orderly reconstruction plan should be conducted in the sequence of focus first and then overall, which can provide guidance and reference for improving quality and efficiency of sewage system in hilly cities.
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