工艺优化诊断技术用于污水厂的改造_George Lee

工艺优化诊断技术用于污水厂的改造GeorgeLee1,JimGoodley1,尚爱安2,徐鸿德2,朱石清3,唐建国3,周骅4,张善发4,高允础5,姚彬5(1.BioChemTechnologyInc,PA19406USA;2.美商生化科技公司上海代表处,上海200336;3.上海市水务局,上海200003;4.上海市城投总公司排水公司,上海200070;5.上海松江区水务局,上海201600)摘要:随着污水排放标准不断提高,污水厂需改造处理工艺以满足稳定达标排放的要求,同时还需进行工艺优化以降低运行成本、节省基建费用和运行费用。对上海市曲阳、松江污水厂现有处理工艺做了优化诊断,主要采用系统分析方法通过现场考察、大规模数据收集、利用国际水协活性污泥模型(ASM2D)等工具,建立了符合污水厂实际运行状况的水质模型,全面评价了两厂目前的工艺状况和瓶颈所在,对几种可能的工艺改造方案进行了定量模拟预测,提出了能确保达标的改造设计工艺和优化方案。该项目为老厂工艺改造提供了一套完整的技术方案和工作流程,使老厂改造工艺具有脱氮除磷功能,出水水质能稳定达标,并预计工艺诊断优化成果的具体实施可为污水厂节省一次性基建费用10%～30%和运行费用15%～40%。关键词:污水处理厂;工艺优化诊断;活性污泥模型;过程控制系统;脱氮除磷;运行成本中图分类号:X703.1文献标识码:C文章编号:1000-4602(2006)02-0026-05基金项目:美国贸易发展署TDA资助项目ProcessOptmiizationandDiagnosisTechnologyforReconstructionofWastewaterTreatmentPlantGeorgeLee1,JimGoodley1,SHANGAi-an2,XUHong-de2,ZHUShi-qing3,TANGJian-guo3,ZHOUHua4,ZHANGShan-fa4,GAOYun-chu5,YAOBin5(1.BioChemTechnologyInc.,PA19406USA;2.BioChemTechnologyInc.,ShanghaiRep.Office,Shanghai200336,China;3.ShanghaiWaterAuthority,Shanghai200003,China;4.ShanghaiChengtouCorporation,Shanghai200070,China;5.ShanghaiSongjiangDistrictWaterAuthority,Shanghai201600,China)Abstract:Withtheupgradingofwastewaterdischargestandard,thetreatmentprocessofwastewatertreatmentplant(WWTP)needstobeupgradedtomeetthedischargestandardandtheprocessoptimizationalsoneedtoreducetheoperatingcostandcapitalcos.tTheoptimizationanddiagnosisweremadeontheexistingtreatmentprocessinShanghaiQuyangandSongjiangWWTP.Bymeansofthesys-tematicanalysismethod,fieldinvestigation,large-scaledatacollectionandutilizationoftheactivatedsludgemodelissuedbytheInternationalWaterAssociation,thewaterqualitymodelwasestablishedac-26第22卷第2期2006年1月中国给水排水CHINAWATER＆WASTEWATERVo.l22No.2Jan.2006cordingtotheactualoperationinWWTP,andthepresentoperatingstatuswasassessedcomprehensivelyandbottleneckofthetwoplantswasfound.Aftermakingthequantitativesimulationforecastingonsomepotentialprocessupgradingplans,thedesignfortheprocessupgradingandoptimizationplanwaspro-posedtomeetthewastewaterdischargestandard.Itprovidedawholesetof