LIRu-liang.Practice and Summary of Comprehensive Management of Tangjingsha River Watershed[J].China Water & Wastewater,2022,38(14):117-125.
棠景沙涌流域综合治理实践与总结
- Title:
- Practice and Summary of Comprehensive Management of Tangjingsha River Watershed
- Keywords:
- separation of rainwater and sewage; separation of clean water and sewage; water quality improvement; comprehensive management
- 摘要:
- 棠景沙涌是广州市第一条实现全流域雨污分流的河涌，以消除黑臭为目标，以水质提升为核心，以现状调查为基础，以清污分流为依托，以管网建设为保障，以水质检测为抓手，系统制定了“源头雨污分流改造、公共污水管网建设与完善、错混接改造、排水管网病害修复、内源削减、面源治理、泵站扩容改造、水动力改善、生态修复”九大治理技术路线。详细介绍了具体治理方案、实施内容，并结合治理后的实测水质数据对工程实施效果进行了分析，最后对治理成效进行了回顾与总结。工程实践表明，棠景沙涌流域治理技术路线应用于黑臭水体治理技术可行、成效可靠，可为国内其他城市水环境综合治理提供借鉴。
- Abstract:
- Tangjingsha River is the first river in Guangzhou to realize the separation of rainwater and sewage in the whole watershed. To eliminate river black and odor as the goal, to improve water quality as the core, to investigate the current situation as the basis, to separate clean water and sewage as the support, to construct pipe network as the guarantee, and to monitor the water quality as the starting point, nine technical routes are systematically formulated including source rainwater and sewage separation transformation, public sewage pipe network construction and improvement, wrong mixed connection transformation, drainage network disease repair, internal source reduction, non-point source treatment, pump station expansion and reconstruction, hydrodynamic improvement and ecological restoration. The specific treatment scheme and implementation content are elaborated. The implementation effect of the project is analyzed in combination with the measured water quality data after treatment and finally the treatment effect is reviewed and summarized. The engineering practice shows that the Tangjingsha River watershed treatment technology route is feasible and the effect is reliable for black and odorous water treatment, which can provide reference for the comprehensive treatment of water environment in other cities in China.
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