AO工艺硝化与反硝化反应专家系统的建立及应用马勇

2005,25(2)252~256ChinaEnvironmentalScienceA/O1,1,2,2(1.,1500902.,100022),A/O,A/O.,,.A/OX703A10006923(2005)02025205EstablishmentandapplicationofnitrificationanddenitrificationexpertsysteminA/Oprocess.MAYong1,PENGYong-zhen1,2,WANGShu-ying2(1.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China2.KeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentalRecoveryEngineering,BeijingUniversityofTechnology,Beijing100022,China).ChinaEnvironmentalScience,2005,25(2)252~256AbstractAmmoniumnitrogenandtotalnitrogenremovalinfluencefactorsandtreatingeffectofA/Onitrogenremovalprocesswereinvestigatedusingsyntheticwastewaterasstudiedobject.TheA/Onitrogenremovalprocessexpertcontrolsystemwasestablishedbasedonexperimentresultsandexpertknowledge.Thepracticesdemonstratedthatutilizingnitrificationanddenitrificationexpertcontrolsystemcouldobtainquicklythecausesandsolutionwaysofthereducingofammonianitrogenandtotalnitrogenremovalrates,reachingtheobjectivesofmeetingstandard,stability,highefficiencyandlowcost.KeywordsA/OnitrogenremovaltechniqueexpertsystemnitrificationdenitrificationA/O,,,60%~75%.,.,[1].,,,.2090,[24].,,,A/O.11.1(1).48L.6,1,23,456,,20L.,21,20040726(50138010);863(2003AA601010);(KZ200310005003)*,,[e-mail]2A/O253DO,ORPDOpH.1A/OFig.1SchematicdiagramofA/Onitrogenremovalprocess1.2(g/L):0.2~0.6,NH4Cl0.10~0.30,KH2PO40.020~0.033,NaHCO30.05~0.15,MgSO40.09,CaCl2·2H2O0.03,FeSO4·2H2O0.003.1.3.().(DOORPpH)(BODCODSSNH4NNO3NNO2NPO43PMLSSHRTSRT)2,,.DOWTW-300i,pHORPHANNA.2A/O.,,,,[3,5].A/O.2.1..,,,..,.,,..,,,.2.2,.,,.,.,,.3A/O[6]12345625425,5mg/L,10mg/L,,A/O.3.1(NES)2,,,,.2Fig.2Nitrificationexpertsystemcontroldecisiontree5mg/L,5mg/L,,,.,NESpH,,pH.,NESpH,pH,.,20mg/L,,NaHCO3Na2CO3;pH,,,NESpHpH,pH.pH,DO.,NESDO,DO,DO,DODO,DO.DO,NES(TN),TNTN,,,MLSS.TN,NES,,,,,5mg/L(),DODOpH/pHDODO/TN/TN//20mg/LTN,MLSSpH,20mg/L,DO,,C/NNa2CO3NaHCO3DO2A/O255,.,NES,,,MLSS,,.,,,.,SRT,;;C/N,,.,,.,NES,,,,.,,.5mg/L,,NESDO,DO,,,DO,DO.3.2(DES)3.DES.10mg/L,,,.3Fig.3DenitrificationexpertsystemcontroldecisiontreeDO,0.5mg/L,,DO,DO.DO,0.5mg/L,DES,.,.1~3mg/L,,,DO,,,,;,C/N,,(),,1~3mg/LDODO0.5mg/L10mg/L25625,.DES,,1~2mg/L,,.10mg/L,DES,,,,,.4A/O,12mg/L,,NES,pHDO.pH,7.0~8.0,;DO,DO1.5~2.5mg/L,,DO3.5mg/L,(10.8mg/L),,.,,.,,,(7.5mg/L),;,68mg/L,,2500mg/L.,,3000mg/L,.(15mg/L),DES,.3:DO;;C/N.DO0.1mg/L,;(,2mg/L),,1mg/L;C/N,COD250mg/L,C/N3.7,,.,,.,6h,10mg/L.5A/O,,,,.[1]OhtsukiT,KawazoeT,MasuiT.Intelligentcontrolsystembasedonblackboardconceptforwastewatertreatmentprocesses[J].Wat.Sci.Tech.,1998,37(12):7785.[2]BarnettMW.Expertsystemsforanaerobic-digestion-processoperation[J].J.Environ.Eng.,1992,118(6):949963.[3]LadigesG,KayserR.On-lineandoff-lineexpertsystemsfortheoperationofwastewatertreatmentplants[J].Wat.Sci.Tech.,1993,28(11-12):315323.[4]SungWN.On-lineintegratedcontrolsystemforanindustrialactivatedsludgeprocess[J].Wat.Environ.Res.,1996,68(1):7075.[5]ComasJ,Rodriguez-rodaI,Sanchez-MarreM,etal.Aknowledge-basedapproachtothedeflocculationproblem:integrationon-line,off-line,andheuristicinformation[J].Wat.Res.,2003,37(10):23772387.[6]GB18918-2002,[S].(1976),,,,.16.