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2009-10-20ZD2007051966-。1002-1124200912-0037-05Sum171No.11ChemicalEngineer200912N、P[1-4]。N、P。N。N、PN。、。--A2/MBBR。11.11A2/O。2、、NH4Cl、KH2PO4、NH4HCO3、MgSO4、CaCO3、FeCl3pH7.0~7.5COD306.9~400mg·L-1NH4+-N30.63~45.62mg·L-1TN30.63~50mg·L-1TP3.2~8.1mg·L-1。3pH6.8~7.5COD248.50~390.60mg·L-1NH4+-N28.62~36.85mg·L-1TN33.42~52.66mg·L-1TP2.54~7.84mg·L-1。1.2A2/MBBR1。N10%~20%10mm、8mm500~1100m2/m3COD、。A2/MBBR*122211.0100512.010010A2/MBBR6.8h1.5~2.5mg·L-1、C/P、DO、NP。A2/MBBRPNTQ028.8AStudyontheA2/MBBRforremovdofNandP*HUOTian-rui1,WANGHai2,DONGHao2ZHENGFeng2,ZHANGXin11.InnerMongoliaUniversityofTechnology,Hohhot010051,China;2.HohhotFireDetachmentHohhot010051,ChinaAbstract:InvestigationofA2/MBBRforrecoverythecitywastewaterwereperformed.TheeffectofC/P、DOandcircumfluenceontheremovalofNandPwerestudiedindetail.WhenHRTwas6.8h,DOwas1.5~2.5mg·L-1.Keywords:A2/MBBRthecitywastwaterremovalofNandPDOI:10.16247/j.cnki.23-1171/tq.2009.12.0201.2.3.4.MBBR5.6.7.8.9.10.11.12.13.1Fig.1SchematicdiagramofA2/MBBRexperimentation262%。30min0.1mg·L-11h30mg·L-1。MLSS3600mg·L-1。2.1、6.8h10min、TPNH4+-N2。2、、TNFig.2Curveofcongcentrationoftotalphosphorusandnitrateinanaerobicanoxicandaerobicareaofreactor260min120min。TP30min30mg·L-1。A/OA2/OP。/。N4.0mg·L-1P4.0mg·L-1。。2N4.0mg·L-1。TP15min0.20mg·L-1。15min。PHB。PHB。PHBP。PHBPHB。50%。。2.22.2.1C/PC/P。PHB。1234567899121111121112121112111210TP35302520151050360300240180120600/mg·L-1/min38A2/MBBR*200912PHBP。5A、B、C、D、EMLSS4500mg·L-1P7.2mg·L-1COD/TP40、50、60、70、80CODCOD288、360、432、504、576mg·L-1。25℃。60minDO0.08mg·L-1120minDO0.2~0.4mg·L-1114minDO3.0~3.5mg·L-1。15min、30minC/P3。3C/PFig.3EffectofC/Ponphosphorusconcentrationinthewater3C/P40PC/P5060PPCPP。C/P70、80PP。P。C/P60COD/TP60TPC/N。3C/PPC/PTPTP。C/PP。。。。。2.2.2DODO0.3mg·L-1。DO0.1mg·L-1P。DOTPDODO0。3∶1、4∶1、5∶1DOP6.8hDOTP4。4DOTPFig.4CurveofDOandTPwithtimechangeinaerobicareaofreactor40DO1hDOP5mg·L-1P5hTP5∶14∶11mg·L-1。TP0.3~0.35mg·L-1A。1.5~2.0mg·L-14∶1。2.3、TN、NH4+-N、2.3.1/d/mg·L-135302520151050360300240180120600TP/mg·L-11210864200123456543210DO/mg·L-1/hA2/MBBR*200912395、、Fig.5Curvesofvariousnitrogenswithoutinternalcircumfluenceinanaerobicanoxicandaerobicareaofreactor5NH4+-NTN。NH+4-N。NH+4-NDODONH+4-NN2TN。DONH+4-N。NH+4-N。NH+4-N1.0mg·L-1。NH+4-NTN。。。。2.3.2TNDONH+4-NTN。NH+4-N。NH+4-N0.50mg·L-16。6、、Fig.6Curvesofvariousnitrogenswithinternalcircumfluenceinanaerobicanoxicandaerobicareaofreactor6TNTN15.0mg·L-1TN。NH+4-NTN。。。NTNTN15.0mg·L-1。NN、P。31。N4.0mg·L-14.0mg·L-1DO0.3mg·L-1P。2PC/P60。C/P60COD/TP60TPC/N。33.5~4.0mg·L-1NP。PDO0.9~1.0mg·L-1。4C/NTN4035302520151050/mg·L-1/min36030024018012060050403020100/min/mg·L-13603002401801206005940A2/MBBR*200912C/N15TN。1,,.J.2000,264:17-20.2J.B.Holman,D.G.Wareham.CODAmmoniaandDissolvedOxygenTimeProfilesintheSimultaneousNitrification/DenitrificationProcessJ.BiochemicalEngineeringJournal2005,22:125-133.3,,.J.2003,197:8-11.4HyungseokYOO,Kyu-HongAHN,Hyung-JibLE.NitrogenRe-movalfromSyntheticWastewaterbySimultaneousNitrificationandDenitrificationSNDViaNitrationIntermittently-AeratedReactorJ.WaterRes.1999,331:145-154.40。。、。15m。。。22.1。31--O223。。18。。。2.2、、、。。。、。-5.5%~30%。5.5%、、。。70%~94.5%O214.7%~19.8%。。《》O21%70%O214.7%O21%。3、。、、、“”、、、。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!20091259