SBR工艺污泥颗粒化对生物脱氮除磷特性的研究

:025322468(2001)20520577205:X703:ASBR1,1,1,2,1(1.,,100084,Email:[e-mail];2.):,(SBR).,,.,CODP90%85%;NH32NTN90%80%;SVI50,..:SBR;;EffectofthesludgegranulationonnitrogenandphosphorusremovalinSBRprocessLURanchao1,ZHANGXiaojian1,ZHANGYue1,ZHUJianrong2,SHIHanchang1(1.DeptofEnvironmentalSci&Engineering,TsinghuaUniversity,Beijing100084;2.TechnicalUniversityofMunich,Munich,Germany)Abstract:TheremovalefficiencyofPandNandsettlementcharacteristicsofsludgewerestudiedinSBRprocessbyusingsyntheticdomesticwastewaterasfeed.Itisfoundthattheaerobicgranularsludgewasformedinthereactorundertheproperoperatingconditions,whichcanshowexcellentsettlingability.Thesludgeismainly0.21.0mmindiameterand50ofSVI.Comparedwiththeexperimentalresultsbeforesludgegranulation,theremovalefficienciesofCOD,P,NH32NandTNarehighlyimproved,ItcanremovePandNsimultaneouslywith90%re2movalforCOD,85%forP,90%forNH32N,and80%forTN.Keywords:SBRprocess;aerobicgranularsludge;biologicalNandPremoval:2000207214;:2001202220::(1973),,,,,,,,;,,.,.SBR2,,.[1],SBR[24].,;,;,..,,,.21520019ACTASCIENTIAECIRCUMSTANTIAEVol.21,No.5Sep.,200111.1,22cm,8L,6L.HA2L..,.,;20,202.26500,.JJ23..:,.20min,0.5LPmin,910L,6L.SVDOMLSSMLVSSTPNH32NpH.,.3,,,.1.11234567891011Fig.1Theschematicexperimentalequipments1.2,,1.1(mgPL)Table1Theconstitutesofsyntheticdomesticwastewater(mgPL)CODTNNH32NP3006002030102091256Na+K+Mg2+Ca2+Fe2+24.812.59.28.50.51.3[5][6].(1)P2;NH32N;NO-32NDX2100;TN2.(2)CODSVSVIMLSSMLVSS.(3)NikonOptiphotX22.(4).219981019,,.,,.80d,,,,.3.24.0gPL,CODP82%12.9%..2.1875211999310199955,55d.4h;4h,2.5h,20min45min.8h..2.2NH32NPCOD,Fig.2VariationofSSandSVIwithoperationtimeinthephaseofflocsludge,SBR,CODPNH32N330.8478mgPL9.8812.35mgPL16.4322.88mgPL,4266.3mgPL,7.569.04mgPL3.046.19mgPL,83.7%90.2%,34.5%5211%71.6%81.9%.,COD,P,NH32N.,,.(MLSS)3.23.8gPL,(SVI)78.896.2,(SVI100150).2.2,,.,19995199912,.COD,.,,(,).,.,,.,,,.2.3,.199912200012000220003.10d.23.9755:SBR3NH32NPCOD,Fig.3VariationofSSandSVIwithoperationtimeinthephaseofgranularsludge2TNTable2TNremovalinthephaseofgranularsludge,minTN,mgPLTN,mgPLTN,%1525.635.3679.12625.365.6277.84826.325.2380.1,,318510mgPL,SVI42195513mLPg,CODPNH32N5251560312mgPL1012311144mgPL1518618132mgPL,50197213mgPL,11462124mgPL11142102mgPL,8815%9017%,8217%8617%8814%9213%;TN80%..,,.2.4,,0.21.0mm.4(a)40(b)804Fig.4Configurationofgranularsludge2005Fig.5Microbearoundthegranularsludge08521,,,(a),(b)..,..5,.3,SBR,,.,,..,,,.,,,.,.:[1]LettingaG,LWHulshoffPol.UASBprocessdesignforvarioustypesofwastewater[J].WatSciTech,1991,24(8):87107[2]Morgenroth,ESherden,MCMT,etal.Aerobicgranularsludgeinasequencingbatchreactor[J].WatRes,1997,31(12):31913194[3]PengDangcong,NicolasBernet,Jean2PhillippeDelgenes,etal.Aerobicgranularsludge2acasereport[J].WatRes,1999,33(3):890893[4],.[J].1999,,20(2):3841[5]APHAAWWAWPCF,.(15)[M].:.1982[6]..()[M].:.19891855:SBR