持续降雨对污水处理厂的影响分析和应对措施探讨.pdfVIP

净水技术2022,41(s2):94-99WaterPurificationTechnology

吴钧.持续降雨对污水处理厂的影响分析和应对措施探讨[.净水技术，2022，41(s2)：94-99.

WUJ.InfluenceofcontinuousrainfalltoWWTPanddiscussiononcountermeasures[J.WaterPurificationTechnology,2022,41(s2):

94-99.

持续降雨对污水处理厂的影响分析和应对措施探讨

吴钧

（上海城投污水处理有限公司，上海201203）

摘要以上海某大型污水处理厂2020年一2021年进水水质数据为基础，研究了旱天与汛期持续降雨期间进水中污染物浓

度的变化情况,结果表明汛期持续降雨会显著降低进水污染物浓度。研究了汛期连续多日降雨期间进水污染物浓度的降低对脱

氮除磷的影响，结果显示在汛期持续降雨期间，一定时期内会因进水碳源不足而导致AAO工艺脱氮除磷受到影响。实际运行

中，缺氧-好氧（AO)工艺作为应急措施相较AAO工艺能更好地利用碳源。

关键词污水处理厂持续降雨进水污染物碳源不足脱氮除磷

中图分类号：X703文献标识码：B文章编号：1009-0177(2022)s2-0094-06

D0I:10.15890/j.cnki.jsjs.2022.s2.016

InfluenceofContinuousRainfalltoWWTPandDiscussiononCountermeasures

WUJun

(ShanghaiChengtouWastewaterTreatmentCo.,Ltd.,Shanghai201203,China)

Abstract

Basedontheinfluentpollutantconcentrationofalargewastewatertreatmentplant(WWTP)inShanghaifrom2020to

2021,thevariationofpollutantconcentrationininfluentindrydaysandfloodseasonswithcontinuousrainfallisstudied.Theresults

indicatethatcontinuousrainfallinfloodseasonwillsignificantlyreducetheconcentrationofinfluentpollutants.Theeffectofthe

decreaseofinfluentpollutantconcentrationonnitrogenandphosphorusremovalduringcontinuousrainfallinfloodseasonisstudied.

Theresultsindicatethatduringcontinuousrainfallinfloodseason,nitrogenandphosphorusremovalbyAAOprocesswillbeaffected

duetoinsufficientinfluentcarbonsourceinacertainperiod.Inactualoperation,anoxic-aerobic(AO)processasanemergency

measurecanmakebetteruseofcarbonsourcethanAAOprocess.

Keywordswastewatertreatmentplant(WWTP)continuousrainfallinfluentpollutantsinsufficientcarbonsource

nitrogenandphoshorusremoval

随着对水环境治理力度的加大,越来越多的城目前，上海市的排水格局为合流制与分流制并

镇污水处理厂投入运营，而为了让其能稳定有效地存,基本已经形成