低溶解氧污泥微膨胀污染物去除性能的研究

©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()JournalofHarbinUniversityofCommerce(NaturalSciencesEdition)Vol.25No.3Jun.2009:2008-11-18.:(863)(2006AA06Z319);(50778005);(20060005002);(E200818);(11531071).:(1970-),,,:.1,3,1,2,1,1(1.,150090;2.,100022;3.,150076):,SBR,DO0147mg/L,/(A/O),.,,SS,COD80%,90%,90%,,4617%.,,.:;;;;:X703:A:1672-0946(2009)03-0283-04StudyonpollutantsremovalperformancewithlowDOandsludgemicro2bulkingZUOJin2long1,3,PENGYong2zhen1,2,JIANGAn2xi1,PENGZhao2xu1(1.SchoolofMunicipalandEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China;2.SchoolofEnvironmentandEnergyEngineering,BeijingInstituteofTechnology,Beijing100022,China;3.DepartmentofEnvironmentalEngineering,HarbinUniversityofCommerce,Harbin150076,China;)Abstract:InordertoinvestigatethepollutantsremovaleffectwithlowDOandsludgemicro2bulking,thesequencebatchreactor(SBR)operatedinaeration/anoxic(A/O)processwithmeanDOvalue0147mg/Lisstudied.TheresultsshowthattheeffluentwaterqualityisgoodwithlowSSvalue,andtheefficiencyofCOD,ammoniaandphosphoruscouldreach80%,90%,90%,respectively.Atthesametimetheaerationflowcouldbesavedto4617%.ItcanbeconcludedthattheactivatedsludgeprocesswithlowDOandsludgemi2cro2bulkingcouldattaingoodwastewatereffluentquality,inthemeanwhiletheenergycostwouldbesavedtoo.Keywords:lowDO;sludgemicro2bulking;pollutants;removalefficiency;energysaving,,,[1-3].(SVI)150mg/L,[4].[5-6],(DO)015mg/L,,(SVI)150200mL/g,,.(SBR),,©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[7-9].SBR,,.11.1NH4ClKH2PO4,,1.1pH6.57.5COD310356mg/LNH+4N4050mg/LPO3-4P57mg/L1.2SBR,,,1,700mm,200mm,12L,3L,0125.10cm,.,.,.pHDOORP(),.2225.1/(O/A),2,6h,2h1h()2h1h.,1015d,MLSS20002500mg/L.1.3COD5B-3COD;NO-3N;NO-2NN(1-);NH+4N;MLSSSS;PO3-4P;DOpHORPWTWinoLabOxilevel2;OLYMPUSBX51/BX52.22.1,DO2mg/L.2,,DO013017mg/L.2,6h.10d,MLSS2200mg/L.SVI150200mL/g,,.2.2SS2.2.1,.,,,,1.2(SVI=177mL/g)(400),.482()25©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(SuspendSolid,SS),SBR.,.SS12mg/L,,,SBRSS.,,1,,,.,,,.,,,,,SS.,,.,,.2.32.3.1COD,DO,COD.2,,COD,2h,COD50mg/L,COD80%88%.2COD2.3.2SBRDO(DO0147mg/L),4050mg/L,,90%,3.,DO(0147mg/L).3(SimultaneousNitrificationandDenitrification,SND).SBR,SND[10].SND,[11].,SNDSND.,DO,DO,DO.Hanaki[12],,1,DO,,.,,.,,,.,,,[13].2.3.35823,:©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(DO=2mg/L).,,.4(A),NO-2N,.SBR,.2.4,DO,,.,DO015mg/L,8L/h,DO=2mg/L15L/h,4617%.,DO,.,,50%60%.,.31),,.,,.2)(DO=0147mg/L),,SS.,COD80%;90%,SND;90%,.3)DO,DO015mg/L,4617%.,.,.:[1],,,.[J].,2003,29(3):159-162.[2],,,.[J].,2006,26(5):54-56.[3],.[J].,2003,29(7):9-13.[4]KRUITJ,HULSBEEKJ,VISSERA.Bulkingsludgesolved[J].WaterScienceandTechnology,2002,46(1-2):457-464.[5].[D].:,2004:35-40.[6],,,.SBR[J].,2004,20(8):40-42.[7]RORDRIGUESAC,BRITOAG,MELOLF.Posttreatmentofabrewerywastewaterusingasequencingbatchreactor[J].Wa2terEnvironmentResearch,2001,73(1):45-51.[8]PIERSONJA,PAVLOSTATHISSG.Real-timemonitoringandcontrolofsequencingbatchreactorsforsecondarytreatmentofapoultryprocessingwastewater[J].WaterEnvironmentRe2search,2000,72(5):585-592.[9],,.SBR[J].,2004,24(4):576-580.[10],,.[J].,2003,30(4):88-91[11]HYUNGSEOKIK,AHNKH,LEEHJ,etal.NitrogenRe2movalfromSyntheticWastewaterbySimultaneousNitrificationandDenitrification(SND)viaNitriteinanIntermittently-A2eratedReactor[J].WaterResearch,1999,33(1):145-154.[12]HANAKIK.NitrificationatLowLevelsofDissolvedOxygenwithandwithoutOrganicLoadinginaSuspended-GrowthRe2actor[J].WaterResearch,1990,24:297-302.[13],,,.[J].:,2008,24(4):400-403,408.682()25