SBR工艺运行条件对好氧污泥颗粒化和除磷效果的影响卢然超

SBR1,1,1,2(1.,　100084,E-mail:[e-mail];2.):,(SBR).COD/TN(11.79,18.85,20.72,24.66)、COD/TP(27.85,44.53,48.93、58.25)、TN/TP(4.00,2.36,1.54)、(22℃,15℃,8℃)(16d,10d,5d),COD/TN(24.66)、COD/TP(58.25)、(22℃)(10d);TN/TP(2.36)、.:SBR;;;:X703.3　:A　:0250-3301(2001)02-04-0087::(1973～):,.:2000-05-26AerobicSludgeGranulationandBiologicalPhosphorusRemovalinDif-ferentOperatingConditionsofSBRLouInChio1,ZhangXiaojian1,ZhangYue1,ZhuJianrong2(1.Dept.ofEnvironmentalSci.&Eng.,Ts-inghuaUniv.,Beijing100084,ChinaE-mail:[e-mail];2.TechnicalUniversityofMunich,Munich,Germany)Abstract:Thispaperinvestigatetheeffectofthedifferentoperatingconditionsontheaerobicsludgegranulationandbi-ologicalPremovalcharacteristicsinSBRbyusingsyntheticdomesticwastewaterasfeed.DifferentratiosofCOD/TN(11.79,18.85,20.72,24.66),COD/TP(27.85,44.53,48.93,58.25),TN/TP(4.00,2.36,1.54),tem-perature(22℃,15℃,8℃)andsludgeretentiontime(16d,10d,5d)aretestedinthisprocess.ItisfoundthatthehighratiosofCOD/TN(24.66),COD/TP(58.25),temperature(22℃)andlowSRT(10d)arebeneficialtothephosphorusremovalandthecultivationoftheaerobicgranularsludge.TheproperTN/TPrate(2.36),dissolvedoxy-genandselectionofanaerobicseedsludgearebasicrequirementandmostimportantfactorstoguaranteesuchaerobicgranulesintheprocess.Keywords:SBRprocess;operatingconditions;aerobicgranularsludge;biologicalPremoval　　,SBR[1,2].,,.、.、.,.1　1.1　,22cm,8L,6L.HAL、、、、,22220013　　　　　　ENVIRONMENTALSCIENCEVol.22,No.2Mar.,2001DOI:10.13227/j.hjkx.2001.02.018、.:,20℃,120±2℃.-6500,.JJ-3..:,.20min,0.5L/min,9～10L,6L.SV,DO,MLSS,MLVSS,TP,NH3-N,pH.,.3,2.1.1.1.　2.　3.　4.5.　6.　7.　8.9.　10.　11.1　1.2　,,1.1.3　[5,6]P-;NH3-N;NO3--NDX-100;TN-;COD,SV,SVI,MLSS,MLVSS;、.1　/mg·L-1COD250～600NaHCO394TN20～30MgSO4·7H2O94NH4Cl63CaCl2·2H2O31KH2PO444FeSO4·7H2O2.2562　1998-10-19,.80d.,,.,,,.3.2～4mg/L,P12.9%.2.1　TN(24.3mg/L)TP(10.3mg/L),CODCOD/TNCOD/TP,2.(1)COD250mg/L～350mg/L　,,,.,,SVI100.(2)COD350mg/L～500mg/L　,,,.,0.1～0.2mm.,SS.(3)COD600mg/L　、..4mg/L,SV0.2.SVI50.0.2～1.0mm,2mm.,.,,:88　　　　　　22,,(,).,.10d,.,85%.2　COD/TNCOD/TPCOD/mg·L-1COD/TNCOD/TP/%286.911.7927.8515.3458.718.8544.5331.050420.7248.9343.360024.6658.2552.960024.6658.2585.02.2　,(COD=600mg/L、TP=10.3mg/L),AB,TN24.3mg/L.A(TN=41.2mg/L),B(TN=15.9mg/L).,,2,3.,,,,.,TN/TP.2,TN/TP2.36,.TN/TP4.0,54.1%,NO3--N12.32mg/L,,,;TN/TP1.54,35.7%,,,.2.3　3　COD/TNTN/TPTN/mg·L-1COD/TNTN/TP/%NO3--N/mg·L-141.214.564.0054.112.3224.324.692.3685.01.1215.937.741.5435.72　SRT　　10d5d,16d(2).,SRT10d5d,,(SRT=16d)80%86.4%.16d,10dSVI,50,(10d)(16d),0.1～0.5mm.,,.,,,.5d,,,,SRT80d～100d,,.2.4　.34.,;t=22℃81.9%,t=15℃50%,t=8℃28%.,,,,,,,.:①,,,892　　　　　　.②.D.Baetens[2]20℃,15℃,10℃,5℃,5℃,,,.③,NO3-.90.3　P4　NO3--N/℃NO3--N/mg·L-1815.28157.92221.122.5　,A,B().,,,,.,A,20%.,,,,,.,.3　(1)C/NCOD/TN.80%,COD/TN24.(2)TN/TP.TN/TP=2.36,,85%,SVI50.,.(3),10d5d16d.5d,,.(4),.t=8℃,25%,,,,.(5),、pH、,.:1　MorgenrothE,SherdenTetal.Aerobicgranularsludgeinasequencingbatchreactor.Wat.Res.,1997,31(12):3191～3194.2　PengDangcong,NicolasBernetJean-PhillippeDelgenesetal.Aerobicgranularsludge———acasereport.Wat.Res.,1999,33(3):890～893.3　,..,1999,20(2):38～41.4　APHA、AWWA、WPCF,.,15.:,1982.5　.,.:,1989.252～286.6　BaetensDetal.Temperatureeffectsonbio-Premoval.Wat.Sci.Tech.,1998,39(1):215～225.90　　　　　　22