基于ASM2d污水厂模型的构建及雨季流量冲击应对研究

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文章编号：1674-6139（2026）04-0073-06

中图分类号：X703文献标志码：B

AStudy on the Construction of ASM2d based Sewage Treatment Plant Model and Response to Rainy Season Flow Impacts

MuJunwei1，WangXinling²，DongJinbo³，YangTianyu1，YangBiao1 （1.Zhenjiang Water Supply and Drainage Management Office，Zhenjiang 212Oo1，China; 2.North China Municipal Engineering Design&Research Institute Co.，Ltd.，Tianjin 30o074，China； 3.Jiangsu Manjiangchun Urban Planning&Design Research Co.，Ltd.，Zhenjiang 212O01，China）

Abstract：ThisstudyutilizedtheASM2dmodeltosimulatetheperformanceofasewage treatmentplantin Zhenjiang，focusingon thesensitvityanalyssandcalibrationof1modelparametersTheresultsindicatedthatparameterssuchastheheterotrophicbacteria yield coeficient intheaerobic tank（YH_aerobic），themaximumgrowth rateof nitrifying bacteria（ μAUT ），thedecayrateof nitrifying bacteria（ bAUT ），andtheheterotrophicbacteriayieldcoeffcientintheanaerobictank（YHanaerobic）significantlyafectedtheffuent quality，including COD， NH3-N ，TSS，and TP.By optimizing these parameters，the predictive accuracy of the model was significantly improved.Furthermore，scenariossimulatingincreasedientflowuringtheinysasonweremodeled，evealingtheplant'sfo ancecharacteristicsinresponsetoseasoalfowfluctuations.ItwasfoundthattheTSSremovalefciencydecreasedslightlyduringthe rainyseason.Thestudyprovidesrecommendationstoitigatetheimpactofainysasonfuctuations，whichcanhelpehanethedapta bility and stability of sewage treatment processes.

Keywords：ASM2d model；sensitivity analysis；parameter calibration；seasonal flow fluctuations

前言

随着城市化的快速发展，城市排水系统的负荷不断增加，尤其是在雨季期间，压力尤为明显。（剩余5402字）