CAST工艺改进削峰填谷增加处理量的研究

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,212001)2003CAST;;,,;;CAST,;,CASTResearchonincreasingthesewagetreatmentcapacitybypeakloadshiftingofCASTprocessHuJian,ZhouPengfei,ChenBin,ChenHengbao(ZhenjiangCityWaterIndustryCo.,Zhenjiang212001,China)Abstract:Thispaperintrducedoperatingresultsandproblemsin7yearssince2003ofZhengRunzhousewagetreatmentplantinZhenjiang.Theresearchwascarriedoutfromdiurnalandseasonalvariationofsewageinflowandquality,aswellasthecharacteristicofCASTprocess.Operationmodewasregulatedaccordingtothedesigneddisadvantages.ExistingoxidationpondswereregardedasregulationSystem.PumpingStationwasbuiltinsewageregulatingtank.Andrunningperiodwasflexiblyadjustedtomeetdifferentconditions.Thesemeasurescouldmakefulluseofthetankvolume,achievingcutpeakandfillvalley,andincreasingthesewagetreatmentcapacity.Throughoptimalcontrollingofprocessparameters,themainwaterqualityindexesofthefinaleffluentcouldmeetthenationaldischargestandards.Theexperienceofprocessimprovementandoperationmanagementinthisplantisworthlearning.Keywords:CASTprocess;Peakloadshifting;Processimprovement;Optimalcontrolling,20026CAST,20m3/d;10m3/d,20036,,2005:(:FZ2008038),CAST,,;200712,12.5m3/d,14.5m3/d,11.1©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(3m)30m,6m,8100m32,/,4h,1h,,0.33,20%,2m11CODCr/mg/LBOD5/mg/LSS/mg/LTN(NH3N)/mg/LTP/mg/L350160200353602020150.5:TN,NH3N1.2:CAST,,,CODCrBOD5SSTP,,:(1),16m3/d,;,CAST,;,(2)CAST,[1],NH3N30%,TN20%;(3),;,(4)MLVSS/MLSS,0.250.35;,2,;[2],;2.12.1.1CAST,CAST;,CASTCAST;2006,,,,2007,,CAST,8m3;,,CAST,2.1.2,;,;,,,2005,,42(2009110),;2005,3h(/©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.),,;,3h,1/3,17m3/d,,CAST,,CAST,CASTCAST3hCAST22:,,2.1.3,,2005,TrojanUV3000PlusTM2006,2.22.2.1,MLVSS/MLSS20032005,,SS,SS,,MLVSS/MLSS0.20.35,2006,,SS:,,,,,30min,,MLVSS/MLSS,2008MLVSS/MLSS60%,,2.2.2CAST[3],:MLSS4000mg/L,DO4mg/L,15d,20%,2008,,;220052009CODCr/mg/LBOD5/mg/LSS/mg/LNH3N/mg/LTP/mg/L2005208.222.5883.79.2160.6912.29.362.240.22006127.337.241.913.286.210.911.54.42.880.32007140.539.524613.773.31217.912.22.720.42008158.128.655.19.389.413.416.662.30.32009185.128.269.46.495.112.616.22.72.40.5:610©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:0.030.06kgBOD5/kgMLSS;1420d;MLSS35004500mg/L;,:DO0.5mg/L,DO0.51mg/L,DO,1.53mg/L,,,40%,,3:,2008,,SS,(GB189182002)A3CAST,,;,,(1)CAST,,CAST;,;,(2),,CAST:0.030.06kgBOD5/kgMLSS;1420d;MLSS35004500mg/L;,DO0.5mg/L,DO0.51mg/LDO,1.53mg/L(3),,,MLVSS/MLSS,2008MLVSS/MLSS60%,1,,,.CAST.,2006,22:58612,,.CAST.200824:45473GoronszyMC.Thecyclicactivatedsludgesystemforresortareawastewatertreatment.WatSciTech,1995,32(9210):105114&:[phone]E2mail:[e-mail]:2009211230