复合菌剂污泥减量试验研究

。20%～40%60%[1-2]。。MBRF/M[3-4]。ρ(MLVSS)/ρ(MLSS)。MBRMLSS。[5]。MBR。11.11。1.211Table1QualityofwastewaterpHCOD/mg·L-1ρ(NH4+-N)/mg·L-1ρ(TP)/mg·L-15.87～6.786.57～7.28247～7079～4536.7～56.621～14.547.45～14.170.66～4.4612331.4300742.5100063.523808。MLSS9000mg·L-15000mg·L-1MLSS44.4%MLVSSMLSSm(MLVSS)/m(MLSS)m(MLVSS)/m(MLSS)0.83COD、NH4+-N、TP93.78%、78.38%、75.56%96.03%、88.25%、84.79%。MBR“”MBR。X703A1000-3770(2009)[e-mail][e-mail]3512200912TECHNOLOGYOFWATERTREATMENTVol.35No.12Dec.,200998。0.75m×0.36m×1.73m0.4m320.1μm3m2800mm×500mm1t·d-1。。。。DO2～4mg·L-1。1.3MBR3MBRMBRMBRMBRMBRMLSS。3MBR。1.41010、、。1×1010·mL-1。1.5CODNH4+-NTNTPMLSS、MLVSS。1.6MLSS6348mg·L-1MLSS3560mg·L-1。24hDO1～2mg·L-12。26MLSS8978mg·L-1MLVSS7578mg·L-1COD85%MBR。MBRHRT6h。22.162d63110mL·m-3111121。3。3MBR22d3650mg·L-18978mg·L-1。30MLSS6580mg·L-12。05101520250200040006000800010000
mgLd2Fig.2VariationofMLSSinthestartingstage1Fig.1Schematicofexperimentalsetup

 99MLSS9000mg·L-1。MLSS5000mg·L-1。MLSS9000mg·L-15000mg·L-144.4%MLVSSMLSS。m(MLVSS)/m(MLSS)YasuiSakai[6-7]MBR9m(MLVSS)/m(MLSS)0.850.750.870.81。3m(MLVSS)/m(MLSS)m(MLVSS)/m(MLSS)0.83[8]。2m(MLVSS)/m(MLSS)Seong-Hoon[9]MBR。“”MBR[10]。2.2COD、NH4+-N、TP4、5、6。4、5MBRNH4+-N。、、、“”。62。2。4CODFig.4RemovalefficiencyofCOD0204060801001200100200300400500600700800
dCOD/mgL020406080100020406080100120010203040506070
(NH-N)/mgL
d0204060801005NH4+-NFig.5RemovalefficiencyofNH4+-N0204060801001200200040006000800010000
mgLd0.00.20.40.60.81.0



3Fig.3VariationofMLSSinthestartingstage0204060801001200369121518
(TN)/mgL
d0204060801006TPFig.6RemovalefficiencyofTP3512100、、[11]。MBR。4、5、6COD。MBRCOD、NH4+-N、TP96.03%、88.25%、84.79%93.78%、78.38%、75.56%。。3MLSS9000mg·L-15000mg·L-1MLSS44.4%MLVSSMLSSm(MLVSS)/m(MLSS)m(MLVSS)/m(MLSS)0.83。MBRCOD、NH4+-N、TP93.78%、78.38%、75.56%96.03%、88.25%、84.79%。MBRMBRCOD。。[1]DavisRD,HallJE.Production,treatmentanddisposalofwastewatersludgeinEuropefromaUKperspective[J].EuropeanWaterPollutionControl,1997,7(2):9-17.[2]SpellmanFR.Wastewaterbiosolidstocompost[M].Lancaster,Pennsylvania,USA:TechnomicPublishingCompany,Inc.,1997:223-235.[3]NatusckaMLee,ThomasWelander.Reducingsludgeproductioninaerobicwastewatertreatmentthroughmanipulationoftheecosystem[J].WaterRes.,1996,30(8):1781-1790.[4],,,.[J].,1999,12(1):16-18.[5],,.[J].,2005,38(7):640-643.[6]YasuiH,NakamuraK,SakumaS,etal.Afull-scaleoperationofanovelactivatedsludgeprocesswithoutexcesssludgeproduction[J].WaterSciTechnol.,1996,34(3-4):395-404.[7]SakaiY,FukaseT,YasuiH,etal.Anactivatedsludgeprocesswithoutexcesssludgeproduction[J].WaterSciTechnol.,1997,36(11):63-70.[8],,,.[J].,2007,23(7):16-19.[9]SeongHoonYoon,HyungSooKim,SanghoLee.Incorporationofultrasoniccelldisintegrationintoamembranebioreactorforzerosludgeproduction[J].ProcessBiochemistry,2004(39):1923-1929.[10],,.[J].,2008,3(24):1-4.[11],.[J]..,2005,28:7-9.STUDYONADDITIONOFHYBRIDBACTERIAINTOMEMBRANEBIOREACTORFORSLUDGEREDUCTIONXiangJiexin1,CaiXunjiang2,FanHongbo3,LvSihao3（1.DepartmentofSociology,HuazhongUniversityofScienceandTechnology,Wuhan430074,China;2.CollegeofEnvironmentalScienceandEngineering,SouthChinaUniversityofScienceandTechnology,Guangzhou510006,China;3.SchoolofChemicalandEnvironmentalEngineering,DongguanUniversityofTechnology,Dongguan523808,China）Abstract:TheefficiencyofsludgereductionofaMBRwhichwasaddedwithhybridbacteriawasinvestigatedwhileitwasusedfortreatingschoolyarddomesticwastewater.TheresultsrevealedthatafteradditionofhybridbacteriaintotheMBR,theMLSSdecreasedfrom9000mg·L-1to5000mg·L-1,by44.4%,thechangeofMLVSSisthesameasMLSS;TheaverageremovalratesofCOD,NH4+-NandTPareallincreasedfrom93.78%,78.38%,75.56%to96.03%,88.25%,84.79%,respectively.BoththeratioofMLVSS/MLSSandtheaverageremovalratesofcontaminantsindicatedthatbyadditionofhybridbacteriaintoMBR,thegrowthofdisadvantageousbacteriacouldbeinhibited,andthesludgeactivitycouldbeimprovedgreatly.Hence,theremovalefficiencyofcontaminantscouldbeimproved,andzerosludgeproductioncouldbeachievedsimultaneously.Keywords：hybridbacteria;membranebioreactor(MBR);sludgereduction101