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393939393939393939393939393939393939393939393939393939393939393939393939EnvironmentalScience&Technology39220162Vol.39No.2Feb.2016《》2015-04-272015-10-2120132BAB2030332009AE01601)YC2014-S251)1964-tangcc1964@163.com609369572@qq.com。3300133SBRR1、R2R3C/N5、1030。35dC/NSVI3052.51mL/g46.45、25.32、31.12mL/gC/N5C/N30C/N10。C/NX703.1Adoi10.3969/j.issn.1003-6504.2016.02.0231003-6504(2016)02-0128-05StudyofAerobicGranularSludgeCulturedunderDifferentConditionsofC/NRatioTANGChaochunYEXinLIUMingCHENHuiminSchoolofCivilEngineeringandArchitectureEastChinaJiaotongUniversityNanchang330013,ChinaAbstractThispaperstudiestheformationofnitrificationaerobicgranularsludgesinthreedifferentsequencingbatchreactors(SBR)R1,R2andR3underdifferentinfluentC/Nconditions,withtheinfluentC/NratiosofR1,R2andR3respectivelyas5,10and30.Thecharacteristicsandthephysicalandchemicalpropertieschangeprocessaboutthesludgegranulationwereanalyzed,andresultsshowthat,after35dcultivation,theformationofsludgeparticles'scolorclosetoorange,asthehigherC/Nratio,thecolorbecomesdeeper;andthesludge'sSVI30alsoreduce,SVI30ofinoculationsludgefrom52.51mL/gMLSSreducedto46.45mL/gMLSS,25.32mL/gMLSS,31.12mL/gMLSSrespectivelyinR1,R2andR3.TherearemoreformationoflargeparticlesofsludgeundertheconditionsofsmallC/Nratio(5),whilemoreformationofsmallparticlesundertheconditionsoflargeC/Nratio(30),whicharenotconducivetothesettlementofsludge.Underthesameconditions,theformationofgranularsludgeisoptimalatC/Nratioof10.Keywordsaerobicgranularsludge;nitrification;C/Nratio;removalrate2090、、、[1-3]。[4-5]。、、[6-7][8]。[9-10]。SBRC/N3SBRC/N。12222222222222222222222222222222222221.1DR/2500HACHAB204-NMETTLER-TOLEDO37XBIxus105,CanonCODWMX-1,DHG-9101-2S,SYQ-DSX-280BTDL-40B-II,。EDTA-C10H18N2Na2O10。NH4Cl。。1.21.2.1SBR1。SBR100cm7cm2L26cm1L50%。0.1~0.3m3/h2.17cm/s。SBR。。SBR4h、、1SBR。20±1℃。1.2.2MBR1L1/2MLSS2.64g/LSVI30=52.51mL/g。。1700mg/LCOD800mg/L1mL/L111mg/LCaCl240mg/LCa2+406mg/LMgSO4·7H2O40mg/LMg2+R1、R2、R3C/N/P100/5/1、100/10/1、100/30/1。1.2.31COD、TP、NH4+-N、MLSS、SVI30[11]。2[12]。3[13]。22.12COD200mg/L800mg/LCOD800mg/L。15min109min163min。20.1m3/h0.25m3/h。2Table2Themaincontrolparametersofgranularsludgeincultureprocesst/dCOD/mg·L-1T/minQ/m3·h-11~5200150.16~7300150.18~9400150.1510~1150090.15--12~1360090.1514~1570090.25--16~3580030.251Table1Thecycletimeofoperationparameters1~10d11~15d16~35d/min333/h3.63.63.8/min159339393939393939393939393939393939393939393939393939393939393939393939393915min692a、e13。182b、c。2d。3、、。335d、。———。3C/NR1R2R3C/NC/N5R2、R3。2.235d、、R2＞R3＞R1C/N。3R1MLSS3Table3ThephysicalpropertiesofmaturedaerobicgranularsludgeR1R2R3MLSS/g·L-12.642.274.624.13SVI30/mL·g-152.5146.4525.3231.12/m·h-14.837.240.629.8PN/mg·g-124.16223.61225.7285.88PS/mg·g-129.1188.6356.7251.72PN/PS0.832.523.985.53Zeta/mV-28.79-17.24-14.31-15.862222222222222222222222222222222222224R1、R2、R3Table4Maturedgranularsludge`sparticlesizedistributioninR1,R2,R3R2、R33SVI30R2C/N=10C/N3。2.33MLSSSVI30。MLSSSVI30。MLSSSVI304~86R1、R2R3MLSS2.64g/L0.93、0.651.13g/LSVI30R1、R2R3SVI3052.51mL/g131.16、161175mL/g。SBRMLSS6SVI30。。1015min9min169min3min。3R1、R2、R3SVI3052.51mL/g46.45、25.32、31.12mL/g。C/NMLSSSVI30C/N10MLSSSVI30C/N30C/N5MLSSSVI30。2.4C/N4。4C/N。/mm/%R1R2R30.56240.5~11116261~22856372~3222321333312R10.5mm6%R22%R34%1mmR330%R218%R117%R3。R13mm33%。R12393939393939393939393939393939393939393939393939393939393939393939393939R12。4R1C/NR3C/NC/N10R2。31C/N5、1030C/NC/N30。2C/N=10C/N=5、C/N=30R2。【】[1]LeeDuuJongChenYuYouShowKuanYeow,etal.Ad－vancesinaerobicgranuleformationandgranulestabilityinthecourseofstorageandreactoroperation[J].BiotechnologyAdvances201028919-934.[2].[J].201434(7)15-18.ZhaoXia,WangXiaochun,DongLichao,etal.Studiesonthedegradationoforganicmatterbysludgerapidgranulation[J].IndustrialWaterTreatment201434(7)15-18.(inChinese)[3]ShowKYLeeDJTayJH.Aerobicgranulationadvancesandchallenges[J].ApplBiochemBiotechnol2012167(6)1622-1640.[4]WeiDongShiLiYanTaoetal.Aerobicgranulesformationandsimultaneousnitrogenandphosphorusremovaltreatinghighstrengthammoniawastewaterinsequencingbatchreac－tor[J].BioresourceTechnology2014171211-216.[5].[J].201232(8)37-40.LiuXiao,CaoGuoping.Rapidcultivationandsimultaneousdenitrificationofmicro-aerobicgranularsludge[J].IndustrialWaterTreatment,2012,32(8):37-40.(inChinese)[6]LanSHWuXW.Resistancecapabilityofmicroaerobicgranularsludgeforpentachlorophenol(PCP)degradationsub－jectedtopHshock[J].AfricanJournalofBiotechnology,2012,11(18)4208-4215.[7]WangDianzhanZhouLixiang.Characteristicsandbiodegra－dationofanilinebyaerobicgranularsludge[J].ChinaEnvi－ronmentalScience201030(4)527-532.[8]TrungNguyenDinh.[J].201333(10)40-43.LiShu,HuXuewei,TrungNguyenDinh,etal.Adsorptionofheavymetalswithdriedaerobicgranularsludge[J].IndustrialWaterTreatment,2013,33(10):40-43.(inChinese)[9]WeiDSiWZhangYetal.Aerobicgranulationandnitro－genremovalwiththeeffluentofinternalcirculationreactorinstart-upofapilot-scalesequencingbatchreactor[J].Biopro－cessBiosystEng,2012,35(9)1489-1496.[10].SBR[J].201333(7)33-35.TangHai,LiuGuizhong.Researchonthetreatmentofrealsalt-containingwastewaterbySBRsee