UASB曝气法应用于饮料废水中出现的问题及分析熊鸿斌

UASB－*230009UASB－UASBUASB、。。UASBPROBLEMSOFUASB-AERATIONAPPLIEDINTHETREATMENTOFBEVERAGEWASTEWATERANDANALYSISXiongHongbinChenXueZhaoNanaSchoolofResourcesandEnvironmentalEngineeringHefeiUniversityofTechnologyHefei230009ChinaAbstractUASB-Aerationusedinthetreatmentofdrinkwastewaterwasrunningwellinthebeginning.Butitwasappearedabnormalphenomenaofeffluentthatcouldnotaccordwithnationalstandardsinthelaterrunning.AccordingtooperatingdataandanalysisoffrequentproblemsinUASBthereasonswhichsystemweretheinternalcorrosionofUASBreactorandthedefectofthree-phaseseparatoretc.Tosolvetheseproblemsitwasadvancedsomecorrespondingmeasuresinthispaper.Andadviceofthesecondstartupoftheanaerobicpondwasraisedinordertomakethesystemhaveoperationeffectagain.KeywordsbeveragewastewaterUASBreactorthree-phaseseparatornationalstandards*08010302114200909020303102。1UASB－A/O－2070。A/O1。UASB－UASBCOD90%UASBUASB、、、2。2080、、、、。、、、CO2UASB－。10GB8978－1996《》20096。22.1、。、、、、、、。COD、BOD、SS11500m3/d。5201010285DOI:10.13205/j.hjgc.2010.05.0031pHρCOD/mg·L－1ρBOD/mg·L－1ρSS/mg·L－162000135021512300020004006～910030702.2、、pHUASBUASB。GB8978－1996。1。12.32.3.1、。、。10.9m×13.8m×5.0m2.5m375m36hpH6～712.2kW。2.3.2UASB。25～38℃13.8m×8.0m×6.5m500m328h。COD6kg/m3·d。24kW11.5kW11.5kW10.8m、1.2m。ρCODρBOD200mg/L135mg/L。2.3.3。213.8m×2.5m×5.0m4.5m300m360。5h。25.5kW21.5kWF/M0.3kg/kg·dMLVSS2250mg/L。ρCODρBOD80mg/L20mg/L。2.3.4。9m4～5m2.5m3h62.5m22100%15m、0.55kW。3。。3.120096COD。8。。2。26201010285COD200mg/LCOD90%COD。33COD59%COD。220094/－/m3ρCOD/mg·L－1ρCOD/mg·L－1COD/%04－01290122311990.204－03301147213390.904－05301130319285.204－07288142814489.904－0925514507195.104－11250148011092.604－13281157717588.904－15250203821889.304－17262203823188.704－19277141255.696.1275.51542.1144.890.7320098/－/m3ρCOD/mg·L－1ρCOD/mg·L－1COD/%08－01280157052766.408－03286198465167.208－05261250989664.308－07281145447867.108－09273196781858.408－11359131756457.208－132702540112055.908－15361171681252.708－172682257103654.108－19261145468053.22901876.8758.259.73.2UASB－UASBUASB。UASB、、、。3.2.1。。。。3.2.2UASB。、。。UASB。3。UASB。3.2.3UASBUASB。、、。UASB。3.2.47201010285、pH。15℃45℃pH20～42℃3。pHSMASMASMA。pH6～8.24。、、∶∶200～300∶5∶15。25～38℃pHpHpH6～7。3.2.5UASB。。6。。UASBCOD。。4、、。UASB。4.14.1.1、、7。。4.1.2。。。4.2。pH7～8∶∶200～300∶5∶12～3℃/d25～38℃。COD2～5kg/m3·d。1/3、128201010285ρBOD5/ρCOD41ρBOD5/ρCOD0.1747ρBOD5/ρCOD0.03。ρBOD5/ρCODρBOD5/ρCOD。31BOD5BOD510mg/L99.94%BOD5GB16889－2008。2NH+4-NρNH+4-N4mg/L99.78%GB16889－2008NH+4-N。30.3。1.C//18.2007.2MarkPHBernardJBJonhCMetal.AerobiclandfillbioreactorP.USUSP63645722002.3.2MSWJ.20053180-1[e-mail]2009－12－23櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅櫅8COD75%～85%5。5UASB－。、、、。、、。UASB－。1.M.2006.2.UASB/J.200925168-71.3.UASBJ.2007236990-993.4.UASBJ.2007480-81.5.M[e-mail][e-mail]2010－02－0521201010285