好氧颗粒污泥处理城市生活污水的试验研究朱灵峰

42　5河南农业大学学报Vol.42　No.52008　　10JournalofHenanAgriculturalUniversityOct.　　2008:2008-01-19:(072102190007):(1958-),,,,,.:1000-2340(2008)05-0553-04朱灵峰1,何卫卫1,朱沛苑2,张　杰1(1.华北水利水电学院环境与市政工程学院,河南郑州450011;2.中国石油大学地球资源与信息学院,山东东营257061):使用序批式反应器,以啤酒厂的普通活性污泥为接种污泥,成功培养出成熟稳定的好氧颗粒污泥,并应用于处理城市生活污水的试验研究.考察了好氧颗粒污泥在常温下对COD以及NH+4-N的去除效果,平均去除率分别达到80%,82%.试验过程中颗粒污泥质量浓度在2700～3600mg·L-1范围内变化,高于普通活性污泥系统,且沉降性能良好.污泥容积指数在30～50mL·g-1范围内变化,颗粒污泥的平均粒径稳定在0.5～1.2mm.:颗粒污泥;好氧处理;序批式反应器:X703.1　　　　:AExperimentalResearchontheApplicationoftheAerobicGranularSludgeintheMunicipalSewageTreatmentZHULing-feng1,HEWei-wei1,ZHUPei-yuan2,ZHANGJie1(1.SchoolofEnvironmentalandMunicipalEngineering,NorthChinaInstituteofWaterConservancyandHydroelectricPower,Zhengzhou450011,China;2.FacultyofGeo-ResourceandInformation,ChinaUniversityofPetroleum,Dongying257061,China)Abstract:Usingconventionalactivatedsludgeofbreweriesasthevicinalsludge,stableaerobicgranularsludgeinsequencingbatchreactorwasculturedsuccessfully,anditwasappliedtomunicipalsewagetreatment.Atroomtemperature,CODandNH+4-Nremovalrateofaerobicgranularsludgewastested,andtheaverageremoualratereached80%and82%,respectively.Theconcentrationofaerobicgranularsludgerangedfrom2700～3600mg·L-1,higherthanthatoftheconventionalactivatedsludge.TheSludgeVolumetricIndexofgranularsludgerangedfrom30thatof50mL·g-1andfavorablesettlingabilityisshown.Theaverageparticlesizeofgranularsludgerangedfrom0.5～1.2mmatalltimes.Keywords:granularsludge;aerobictreatment;sequencingbatchreactor　　,,、、.,[1～9].,,.,,,,.:,;,,,,DOI:10.16445/j.cnki.1000-2340.2008.05.003554　　　　　　　　　42,[10].,,[11,12].(SBR),,(SS),,,,,.,,,.1　1.1　(SBR),,,14.1cm,100cm,7.1,17.8L,15.6L,48%,,,180L·h-1,,15～25℃,、、、、,1.1.;2.;3.;4.;5.SBR;6.;7.;8.;9.;10.;11.1.Wastewatertank;2.Wastewaterdisposalpump;3.Influentvalve;4.Timecontroller;5.SBR;6.Draftfan;7.Effluentvalve;8.Bubbleaerator;9.Gasflowmeter;10.Effluenttank;11.Samplevalve1　Fig.1　Schematiclayoutofthetestfacilities1.2　,6L,4800mg·L-1,(SVI)196mL·g-1,10h,SBR.1.3　,,、;COD280～450mg·L-1,;BOD228～260mg·L-1,;NH+4-N30～50mg·L-1;pH6.5～8.5;.1.4　16.5h,5min,6h,5～15min,5min,2,.,0.06L·s-1,,7.5L,180L·h-1.SBRCOD.1.5　COD[13];NH+4-N[13];(DO)JPB-607;NO-3-N[13];NO-2-NN-(1-)-[13];;(SV)[14],SVI、(MLSS),(MLVSS)[13];1000mL,,,,,,.2　2.1　,,,,,.15min,,10d,,,.,;3d,1min,20d,32d,,,,,3150mg·L-1.5min,40d,,5:555　　.2.2　2.2.1　颗粒污泥浓度与沉降性能的关系　SBR,,,,3650mg·L-1,.,2700～3000mg·L-1,;,SV.,SV15%～20%,SBR,.SVI.SVI,,,SVI,35～50mL·g-1.23.2.2.2　沉降速度的变化　,1.2mm41.8m·h-1,0.5mm12.2m·h-1.,.0.5～1.2mm24.7m·h-1..2.3　4.4,,COD,,SBR,COD.,COD.35d,COD,40mg·L-1.,COD,,SS,.,COD(GB18918—2002)A.4　Fig.4　Thedegradationoforganicmatterbygranularsludge2.4　,NH+4-N,,.,DO,,,,.[15],,NH+4-NNO-3-NNO-2-N;,、(1mg·L-1),NH+4-NN2;,,NO-3-NNO-2-NN2;,556　　　　　　　　　42NH+4NO-3-NNO-2-N,.5.5,NH+4-N80%,,,,.,NO-2-N,NO-3-N,pH,.5　Fig.5　Nitrogenconversionandnitrification2.5　SBR1,pHDO6.pH7.9～9.0,6.0,pH,[16].6,pHDO1,170min,DO,6　pHDOFig.6　ThechangeofpHandDOinanoperatingcycle70min,COD.2300min,NH+4-N,pH,pHNH+4-NNO-2-N,,NH+4-N.3　SBR,COD80%,NH+4-N80%,,,2500～3000mg·L-1,SVI35～50mL·g-1.,SBR1,pHDO2,COD.:[1]　LIUY,TAYJH.Theessentialroleofhydrodynamicshearforceintheformationofbiofilmandgranularsludge[J].WaterResearch,2002,36:l653-1665.[2]　LIUY,YANGSF.Biosorptionkineticsofcadmiumonaerobicgranularsludge[J].ProcessBiochemistry,2003,38:997-1001.[3]　LINYM,LIUY,TAYJH.Developmentandcharacteristicsofphosphorus-accumulatingmicrobialgranulesinsequencingbatchreactor[J].AppliedMicroblogyandBiotechnology,2003,62(4):430-435.[4]　YANGSF,TAYJH,LIUY.Inhibitionoffreeammoniatotheformationofaerobicgranules[J].BiochemicalEngineeringJournal,2004,17(1):41-48.[5]　QINL,TAYJH,LIUY.Selectionpressureisadrivingforceofaerobicgranulationinsequencingbatchreactor[J].ProcessBiochemistry,2004,39(5):579-584.[6]　SCHWARZENBECKN,BORGESJM,WILDERERPA.Treatmentofdairyeffluentsinanaerobicgranularsludgesequencingbatchreactor[J].AppliedMicrobiologyandBiotechnology,2005,66(6):711-718.[7]　　,,.SBAR[J].,2005,45(6):808-813.[8]　　,,.[J].,2006,29(7):106-107.[9]　,,　,.(下转第561页)5:561　　　　3,ABC,A2B1C2,.4,,,.A2B1C2,2%、0.4%、0.07%,.3　1),0.01～0.02mm,,,.2),,35d,1～40.13%;40d,96.46%～8.47%,SSC31.6%,Vc9.20mg·kg-1;,3.10mg·kg-1·h-1,,,、SSCVc,,.3),:2%、0.4%、0.07%.,,.:[1]　,.[J].,2005,31(1):103-106.[2]　　,,,.[J].,2008(2):21-23.[3]　,,,.Y[J].,2006,40(2):221-224.[4]　,,,.[J].,2005,21(10):72-76.[5]　　,,.[J].,2003,3(1):102-111.[6]　.[M].:,1992.(责任编辑:蒋媛媛)(上接第556页)　　[J].,2006,25(4):105-108.[10].[M].:,1999.[11],　.[J].,2005,21(3):38-42.[12]LIUY,TAYJH.Stateoftheartofbiogranulationtechnologyforwastewatertreatment[J].BiotechnologyAdv,2004,22:533-563.[13].[M].:,2002.[14].[M].:,1999.[15]　,,,.[J].,2003,30(4):88-91.[16],,　,.pH[J].,2003,21(5):319-322.(责任编辑:蒋国良)