第37卷第5期辽 宁 化 工Vol.37,No.52008年5月LiaoningChemicalIndustryMay,2008SBR尹 军,周爱丽,解艳萃,王建辉(,130021) : ,SBR、SBR。:15,;,C/N4;1.0kgBOD/kgMLSS·d,SVI,;,20℃;EPS,EPS。 : SBR;;: X703 : A : 1004-0935(2008)05-0337-04 SBR()(SequencingBatchReactor),2070R.lrVine,,;、;,;;,[1],。,SBR,SBR,,,,。,SBR。1 SBRSBR,。3:SBR,、、;SBR,、、;SBR,(EPS)。1.1 SBR1.1.1 (sludgeage)。:,,,;,。,,。,[2]。、,(MLSS)。。,。,,。,SBR 收稿日期: 2008-03-20 作者简介: 尹 军(1954-),男,教授。。SBR,,。(10d)(0.1~0.5mm)(16d),,,,,,。,80~100d,,[3]。,15,。、,SBR。1.1.2 (C/N)C/N,。,C/N,,,。,,。,C/N;C/N。,C/N4,。,C/N4。[6]:(1),,,。,,;(2),,。。1.1.3 ,(Ns)(BOD5)(MLSS)(F∶M)。、、、。,,。,SVI。0.51.5kgBOD/(kgMLSS·d),SVI150,。BOD-0.5~1.5BOD/(kgMLSS·d),SVI,[5]。,1.0kgBOD/(kgMLSS·d),。1。1 BODSVI、[6]SBR,。,,;,,。,SVI,。1.1.4 。(SV)(SVI)。SV,、。,。SV,。SVI、。。,、。SVI,,,;,338 20085。SBR,。;,,MLSS,,。1.2 SBR1.2.1 SBR,,。,,。,[7]。COD,COD,。(、HRT),,。COD,。COD,、[8-10]。1.2.2 ,,,,,。,BOD∶N∶P=100∶5∶1。MichaelRichard,OliverHaoandDavidJenkin89,,NP,:、、[4]。1.2.3 ,SBR。,;。,,,。、、,。、[(5±2)℃][(20±2)℃]SBR,,,,,、[11]。6.5℃,(10±1)℃SBR,SS204mg/L,F/M:0.085kgBOD/(kgMLSS·d),HRT10.57h,SS9~19mg/L,64.7%~91.5%,[12]。,IgorBodik8℃,,SS,[13]。DagueSBR,5℃,HRTSS,[14]。,SBR,,20℃。1.3 SBR1.3.1 (EPS)(ExtracellularPolymericSubstance-EPS),,EPS。,EPS。,、、339375 ,:SBR ,。,,BOD∶COD(0)。,40%。。[15],EPS,,EPS,,,EPS、DNASVI。EPS。EPS,,,[16]。2 SBR,,,,。[1] ,,.SBR[J].,2003,11(25):156-158.[2] ,.[J].,2003-6,16(2):13-16.[3] .SBAR.,2004,20(2):39-41.[4] ,,.(N,P)[J].,2001,34(5):59-63.[5] ,.()[M].:[D],1997:110.[6] ,,.SBR[J].,1999,Vol.15:6-10.[7] ,,.[J].,2005,18(2):84-88.[8] ,.[J].,2003,24(4):99-105.[9] TayJH,PanS,TaySTL,IvanovV,LiuY.Theeffectoforganicloadingrateontheaerobicgranulation:thedevel-opmentofshearforcetheory.WatSciTech,2003,47:235-240.[10] LiuQS,TayJH,LiuY.Substrateconcentration-inde-pendentaerobicgranulationinsequentialaerobicsludgeblanketreactor.EnvironTech,2003,24(10):1235-1242.[11] ,,,..[J],2003(19):5-7.[12] ,,,.[J].,2003(4):6-12.[13] IgorBodik,BronislavaHerdova,MiloslavDrtil.TheuseofupflowanaerobicfilterandAnSBRforwastewatertreatmentatambienttemperature[J].WaterResearch,2002;36:1084-1088.[14] DagueR.R,BanikG.C,EllisT.G。Anaerobicse-quencingbatchreactortreatmentofdilutewastewateratpsychrophilictemperatures[J].WaterEnvironRe-search,2001;70(2):155-160.[15] ForstorCF.Factorsinvolvedinthesettlementofactiva-tedsludgeInutyiendsandsurfacepolymers.WatRes,1995,19(10):1259-1264.[16] BruusJH,etal。Onthestabilityofactivatedsludgeflocswithimplicationtodewatering.WatRes,2002,26:1597-1604.InfluencingFactorsofSludgeCharacteristicsofSBRYINJun,ZHOUAi-li,XIEYan-cui,WANGJian-hui(JilinArchitecturalandCivilEngineeringInstitute,Changchun130021,China)Abstract:Basedonthesewagetreatmentprojectexperiences,theinfluencesoftheoperatingparametersandmanneronSBR,environmentalfactorsandbalancingfactorsofsludgewereadequatelyanalyzedinthispaper.Analyticalresultsindicatedthatsludgeageisnecessarygreaterthanabout15daystoguaranteetheneedofnitrify;Inordertoacceleratethespeedofdenitrifica-tion,C/Nmustbebiggerthan4;Whenthesludgeloadreducesto1.0kgBOD/kgMLSS·d,thenumericalvalueofSVIpromptquicklythatcanacceleratethesludgeexpands;Comparedwiththelowtemperaturecondition,thesludgein20℃iseasytobecompressedandsubside;theexistenceofEPShasdisadvantageinsludgesubsidence,accompanyingwiththedensityenlargewillleadtothefunctionofsludgesubsidenceworsen.Keywords:SBR;Sludgecharacteristics;Influencingfactors340 20085