LIURong,FANGShuai,GUOLin-song,et al.Practice on Quality and Efficiency Improvement of Sewage System in a WWTP in Jiujiang[J].China Water & Wastewater,2024,40(14):95-100.
九江市某污水处理厂污水系统提质增效工作实践
- Title:
- Practice on Quality and Efficiency Improvement of Sewage System in a WWTP in Jiujiang
- Keywords:
- quality and efficiency improvement; sewage system inspection; drainage network regulation; water?sewage diversion; mixed connection of stormwater and sewage
- 摘要:
- 结合九江市某污水处理厂提质增效工作实践，梳理了排水管网“厂-网-源”系统化排查诊断技术方法，从污水处理厂及系统边界调查分析、市政管网排查诊断、源头排水户调查分析三方面解决城市污水系统本底不清的问题。以实际工程为例，介绍了水质水量排查方法、污水有机物浓度提升措施，实施后污水处理厂进水COD由65~80 mg/L提升至144~236 mg/L。最后对污水系统提质增效工作的重难点和建议解决措施进行了总结，可为长江沿线城市水环境综合治理项目提供参考。
- Abstract:
- Based on the practice of improving the quality and efficiency of a wastewater treatment plant (WWTP) in Jiujiang, the systematic investigation and diagnosis technology of drainage pipe network as “plant-network-source”is summarized, which solves the problem of unclear background of urban sewage system from three aspects such as investigation and analysis of sewage treatment plant and system boundary, investigation and diagnosis of municipal pipe network and source drainage households. Taking the actual project as an example, the method of water quality and quantity investigation and the measures to improve sewage organic matter concentration are introduced. After the implementation, the influent COD concentration of the WWTP increased from 65-80 mg/L to 144-236 mg/L. Finally, the key and difficult points in improving the quality and efficiency of the sewage system and the suggested solutions are summarized, which could provide a reference for the comprehensive urban water environment management project along the Yangtze River.
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