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21520119JournalofHeilongjiangInstituteofScience＆TechnologyVol．21No．5Sep．20111671－0118201105－0364－04121．1500762．150070、、、CASS。0.5h、2.5h、1.5h、1.5hMLSS7000mg/LCASSCODCr87.5%BOD580.4%97.83%TN86.21%TP89.36%SS97.14%。GB18918—2002《》B。CASSX703AStart-upandoptimizationofCASTprocessinHarbinQunliWWTPLIULi1DAIChunwei21．HarbinEnvironmentalMonitoringDetachmentHarbin150076China2．HarbinKangdaEnvironmentProtectionInvestmentCo．Ltd．Harbin150070ChinaAbstractAimedataddressingmorecomplicatedcomponentsandgreaterfluctuationinwaterqualityinHarbinQunliWastewaterTreatmentPlantthispaperdiscussestheapplicationofCASSprocessfortreatingthewastewaterofQunliWWTPbyadjustingtheaerationtimesludgeloadingwater-filledratioanddenitrificationtimetoimprovethesystemstablerunning．Theresultsshowthatinthepresenceofthefilingtimeof0．5haerationtimeof2．5hsettingtimeof1．5hdecantingtimeof1．5handMLSSofabout7000mg/Ltheplantremainsinstableoperationwiththeremovalratiosof87．5%80．4%97．83%86．21%89．36%97．14%respectivelyinCODCrBOD5NH+4－NTNTPandSSuptotherequirementofthestandardoflevelBinclassⅠofDischargeStandardofPollutionforMu-nicipalWastewaterTreatmentPlantGB18918—2002．KeywordswastewatertreatmentCASSprocesscommissioning2011－09－151964－E-mailqueenliuli@163．com。。。。、、、。CASSCASS12.5hm215×104m3/d3、、、。201172CASS1。11.11。加药系统细格栅沉砂池平流式沉淀池消毒间排入松花江加药系统CASS池粗格栅污水提升泵房1Fig．1Technologicalprocessofwastewatertreatmentplant24CASS。、、、、4CASS。CASS2。3。、、、COD、SS、BOD、TPTN。CASS。1。1.2。CODCr300mg/LBOD5100mg/LB/C0.30.23TN100mg/L82mg/L53mg/LTP4mg/L50mg/LGB18918—2002《》B1mg/L0.002mg/L。。1CASSTable1MaindesignparametersofCASSCASS/24/h6/h0.5/h1/h2/h1/h1/m3251/m3896/m35074/m5.4/m4.0MLSS/mg·L－14000/kg·kg·d－10.1/d20GB18918—2002B2。2Table2Designparametersofwaterqualityofinflow-outflowmg/LCODCr48060BOD510220SS70020TNN582046815TPP9.4143。3Table3AnalyticalmethodofconventionalpollutantsCODBOD5SSTNN－TPP563522.12011712。、80%1200t。CASS50t。、、24h。CASS3000mg/L1.5h8h1.5h1h3d3200mg/L。8h2d3500mg/L。6h。4d6hCASSSV3020.5%MLSS4224mg/LDO2.0～3.5mg/L、、、。BODCOD100mg/LSS40mg/L25mg/LTP1.5mg/LTN40mg/L。2.2BODBOD2。进水出水1801401006020BOD5质量浓度/mg·L-1日期07-2808-0108-0508-0908-132BODFig．2ConcentrationchangeofBODofinflow-outflowBODBOD20mg/L80.4%GB18918—2002B。2.3CASSMLSS4000mg/L5.0mg/L23.61mg/L50%。24CASSCASSCASS、。3。进水出水453525155氨氮质量浓度/mg·L-1日期08-1908-2108-2308-2508-2708-2908-3109-023Fig．3ConcentrationchangeofNH+4－Nofinflow-outflow4d1.0mg/L97.83%CASSGB18918—2002B。2.4CODSSCODCASSSSMLSS4224mg/LMLVSS1141mg/LVSS/MLSS0.27。1CASSMLSS4000mg/L8000mg/LVSSCASS0.5h、3h、1h、1.5hCASS。0.185CASS。2BODSSSSCASS。666321。CODSS4、5。出水进水78066054042030018060日期COD质量浓度/mg·L-109-0809-1009-1209-1409-1609-1809-2009-224CODFig．4ConcentrationchangeofCODofinflow-outflow进水出水1%2001%0008006004002000SS质量浓度/mg·L-1日期09-0809-1009-1209-1409-1609-1809-2009-225SSFig．5ConcentrationchangeofSSofinflow-outflow0.016kg/kg·d、MLSS、SV307000mg/L、30%35dCOD60mg/L87.5%SS20mg/L97.14%GB18918—2002B。2.5TNTN40%。CASS2.5h0.5h。TN。TN6。5dTN20mg/L86.21%GB18918—2002B。2.6TPTPCODSS1.0mg/L7dB89.36%。进水出水9070503010TN质量浓度/mg·L-109-1409-1809-2009-2209-2409-2609-2809-16日期6TNFig．6ConcentrationchangeofTNofinflow-outflow3120.5h、2.5h、1.5h、1.5hMLSS7000mg/L。2CASSCODCr87.5%BOD80.4%97.83%TN86.21%TP89.36%SS97.14%。GB18918—2002《》B。1．J．200925492－95．2．CASSJ．20111968－71．3．CASTJ．20111498－101104．4．M．4．2002．5．M．2011．6．M．2002．7．M．2003．7635