好氧颗粒污泥的性质及在污水处理中的应用蔡建波

　　　WATERPURIFICATIONTECHNOLOGYVol.24No.62005　1,2　1　1　　1　1(1.湖南大学环境科学与工程学院,湖南长沙　410082;2.华中农业大学资源与环境学院,湖北武汉　430070)　,、,。,、。,、。,。　　　　　CharacteristicsofAerobicGranularSludgeandItsApplicationsinWastewaterTreatmentCaiJianbo1,2　LiXiaoming1　ZengGuangming1　YangQi1　TanXuehua1(1.DepartmentofEnvironmentalScienceandEngineering,HunanUniverstiy,Changsha　410082,China;2.CollegeofResourcesandEnvironment,HuazhongAgricultralUniversity,Wuhan　430070,China)Abstract　Thelatestresearchworksonaerobicgranularsludgewerereviewed,whichcoveredthesludgegeneralproperties,theadvantagerelativetoconventionalactivatedsludge,formationmechanismaswellasitsapplicationinwastewatertreatment.Aerobicgranularsludgeistheself-immobilizedsludge,whichisrecentlyfoundundertheaerobiccondition.Aerobicgranularsludgedemonstrateshighsettingve-locitiesleadingtogoodsolidliquidseparation,highbiomassretention,highactivityandanabilitytowith-standhighloadingrates.Aerobicgranulationisamultiplephaseprocess,whichisdependingonthecompo-sitionofthewastewater,theoperationconditionandtheseedsuldge.Becauseofthespecialinnerstructureandmicrobialmorphology,aerobicgranularsludgealsohasabilitytoadsorbheavymetals.Keywords　aerobicgranularsludge　simultaneousnitrificationanddenitrification　biologicalphos-phorusremoval　heavymetal　phenol:(50478054);(WJ2002101);(200219)　　,,。,,,,,[1]。,。,、。,、,。1　,,,。,,1～2mm(6-9mm[2])。[3])-0.5～1.5mm,,、、—34—DOI:牨牥牨牭牳牴牥牤jcnkijsjs牪牥牥牭牥牰牥牨牥　　　Vol.24No.62005　,,、、。[4]SBR0.5～1.0mm,3mm。,、、、。,、、、。。,。、1.0068～1.0072g/m3,97%～98%。1.002～1.006g/m3,99%。,18～35m/h[11].MLSS、SV、SVI4.04～6.88g/L,14%～30%,20～45mg/g,;MLSS、SVI2～4g/L,100～150mg/g[6].SVI,。,,,[5]。(OURW),,。OURW1.27mg/gmin,OURW0.8mg/gmin。[5]。2　,[8]。Scuras[8](1)。1　Fig.1　threeprocessofformationofaerobicgranules,[11]:,SRT,,(),,,,5～6mm,DO,,,“”“”,,,。3　3.1　:,[18]。NO-x,NO-xN2,,,,(UCT、Bardenpo、)(SBR)。,(SND),。[3,20]。2。2　Fig.2　Thetheoreticmodelofsimultaneousnitrificationanddenitrificationbyaerobicgranularsludge[20]SND,1.6～2.7mm,SVI30mg/g,MLSS10g/L。SND,COD90%,6h100%,—35—Vol.24No.62005　NO-2-N,2mg/LNO-3-N。[3]SBR,SND,0.5～1.0mm,SVI32.5mg/g,MLSS4.5g/L。SND,COD74.0%～92.8%,82.3%～98.5%。3.2　,,,。,,;,,。,。,,,,。3。、,,,,。3　Fig.3　thedifferentpartoftheinneraerobicgranularsludgeSBR。SBR-,,。[23]SBR,。,,SBR。0.2～1.0mm,SVI42.9～55.3mg/g。COD、P、NH3-N88.5%～90.7%,82.7%～86.7%88.4%～92.3%,COD、P、NH3-N83.7%～90.2%,34.5%～52.1%,71.6%～81.9%。,,,。3.3　。,、、、、、[24-26]。,、、。,,,、、。,[28]。YuLiu[30-31]Cd2+、Zn2+。,,。Cd2+,Cd2+。100mg/L,Cd2+(10～200mg/L)。Cd2+150mg/L,(50～200mg/L)。,Cd2+43～566mgCd2+/g。Zn2+,,200mgZn2+/g。3.4　、、、,,。,。、。Jiangetal.(2002,2004)。,。。500mg/L,0.2mg/L。。—36—　　　Vol.24No.62005　。4　　,,,,。,,、,,,,。,、、、;,。,。1　,.[J].,1995,21(4):11～132　QiangWang,GuochengDu,JianChen.Aerobicgranulessludgecultivatadundertheselectivepressureasadrivingforce[J].ProcessBiochemistry,2004;35:557～5633　,.[J].,1999,20(2):38～414　,,.SBR[J].,2003,24(4):94～985　,,.-[J].,199919(4)394～3986　,,.[M].,:,19967　,,.[J].,2002,21(9):527～5298　ScurasS,DaiggerG.T,gradyC.P.L.Modelingtheactivatedsludgefloemicroenvironment[J].Wat.SciTech,1998,37(4-5):243～2519　ShinH-S,LimK-H.Effectofshearstressongranulationinoxy-genaerobiceupflowsludgebedreactor[J].WatSitTech,1992,26(3-4):601～60510　MishinmaK,MakamupaM.Self-immobilizationofaerobicacti-vatedsludge-apilotsludyoftheaerobicupflowsludgeblanketprocessinmunicipalsewagetreatment[J].WatResTech,1991,23;981～199011　BeunJJ,Hendriksa.Aerobicgranulationinasequencebatchreactor[J].WatRes,1999,33(10)2283～229012　BenunJJ,BanloosdrechtMCM,HeijnenJJ.Generationandpropertiesofaerobicgranularsludge[J].WatResTech,2001,43(7):19～2613　MorgerothE,SherdenT.Aerobicgranularsludgeinsequencingbatchreactor[J].WatRes,1997,31(12):3191～319414　PendcNicolasb,Jean-Philipped,et,al.Aerobicgranularsludge-acasereport[J].WatRes,1999,33(3):890～89315　,,SBR[J].,2001,22(2):87～9016　,.[J].,2002,21(3):317～32617　,,.[J].,2003,4(7):70～7318　..[M].:,199719　.[J].,2002,18(2):26～2820　,.[J].,2003,23(4):380～38421　,.[J].,1997,13(4):12～1622　TayJH,LiuQS,LiuY,Microscopicobservationofaerobicgranulationinsequenceaerobicsludgereactor[J].JApplMicro-biology,2001,91:168～17523　,,.SRR[J].,2001,21(5):99～10424　Perales-Perez,OscarTohji,KazuyukiUmetsu,etal.Theoryandpracticeoftheremovalofheavy-metalionsbytheirprecipitationasferrite-typecompoundsfromaqueoussolutionattemperature[J].MetallurgicalReviewofMMIJ,2001,17(2):137～13925　BoltoBA,PawlowskiL,Wastewatertreatmentbyionex-change[M].London:E.andF.N.SponLtd.,1987,263～27926　ElEl-Shafey,CoxM,PichuginA,etal.Applicationofacar-bonsorbentfortheremovalofcadmiumandotherheavymetalionsfromaqueoussolution[J].JorunalofChemicalTechnologyandBiotechnology,2002,77(4):429～43627　ValdmanE,LeiteSGF.BiosportionofCd,ZnandCubySaragssumsp.wastebiomass[J].BioprocEng,2000,22,171～17328　LodiA,SolisoioC,ConvertiA,DelBorghiM.Caduim,Zinc,Copper,SilverandChromium(Ⅲ)RemovalfromwastewatersbySphaerotilusnatans[J].BioprocEng,1998,19:197～20329　MaraquesP,RosaMF,PinheiroHP.pHeffectsontheremovalofCu2+,Cd2+,andPb2+fromaqueoussolutionbywastebrew-erybiomass[J].BioprocEng,2000,23:135～14130　YuLiu,Shu-Fang,Yang,etal.BiosorptionkineticsofCadmi-um(Ⅱ)onaerobicgra