郴州城区污水系统确定目标提质增效可达性分析

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中图分类号：X703：TU992.3 文献标志码：A 文章编号：1004-4345（2025）03-0041-05

AbstractAimingatthelowinfluent pollutantconcentrationinurban wastewatertreatment plants，thispaper takesthe W8 wastewatercolectionzoneindowntown Chenzhouasthestudyobject.Basedonmonitoringdataof waterqualityflowinthe pipelinenetwork，theprimarycausesoflowregionalwastewaterconcentrationsignificantexteralwaterintrusion（dry-season intrusion rate reaching 46.99% ） were analyzed. Targeted technical measures were proposed， including pipeline network renovation， externalwaterseparationlocalizedsource-levelstor-wastewaterseparatio.Analysisofextealwaterremovalefectivenes demonstrates thatchemicaloxygendem（COD）inthezone'smainefluent pipelineisexpectedtoincreasefrom78.3mg/Lto 104.2 mg/L after implementation of this proposal. The planned target of 100mg/L will bestablyachieved，thereby effectively enhancing wastewater treatment efficiency water quality.

wordswastewatersystem;qualityeficiencyenhancement;wastewater network monitoring;external waterintrusion; chemical oxygen dem （COD）

随着城市化进程的推进，我国城镇污水收集处理设施得到快速普及，污水收集率和处理率逐年提升。（剩余5480字）