SBR法处理洗涤废水试验研究

SBR()()()SBR(ö),();,:0.030.04kgökgMLSSd,SBR1.5h,6.0h,10.0h,92%86%CODCr,,SBR:,,,;,,,(SBR)()SBR,11.112L,1,0.01%()5.0L,(,),NH4Cl30mg3000mgöL,500mL(20d),24h,5,CODCrBOD5,,BOD5öCODCr11.2SBRö12L,ÉÊ10.15%,ÉÊ,1ÉSBRAöO,2;ÊSBR,ÉSBRÉÊSBR24h,MLSS=25003000mgöL,DO0.5mgöL,DO4.0mgöLCODCr,2511998Vol.14No.6CHINAWATER&WASTEWATER©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.1ÉÊö(%)VöVöLCODCrö(mgL-1)NH3-Nö(mgL-1)TPö(mgL-1)pHö(mgL-1)0.15213.0112976.88.07.27.53402ÉÊSBR(24h)CODCrö(mgL-1)ö(mgL-1)TPö(mgL-1)CODCrö(mgL-1)ö(mgL-1)TPö(mgL-1)10.75hCODCrö(mgL-1)10.75hö(mgL-1)É2973408719021790142117Ê297340872232528314616710.75hTPö(mgL-1)21.5hCODCrö(mgL-1)21.5hö(mgL-1)21.5hTPö(mgL-1)CODCrö(%)ö(%)CODCrö(kgkgMLSS-1d-1)ö(kgkgMLSS-1d-1)É8961488379860.0500.057Ê901231478559570.0500.057ÉÊ1Ê2ËÌ1h10.75h10.75h0.5h1.0h2ÉSBR1.3SBR0.05%,41,ÍÎSBR12L,1,3,3,2500mgöL,1.5h7.5h,43ÍÎSBRSBRVöVöLCODCrö(mgL-1)ö(mgL-1)Í414.011152160Î414.0111521603ÍÎSBR4ÍÎSBR1.4SBR5SBR,12345,SBR12L,1SBR25003000mgöL,0.05%,41,15SBR415SBR4.0L,11,800mLSBR5611998Vol.14©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.É()Ê1()Ê2()Ë()Ì()515SBR,,40.075%0.100%0.125%,41,68SBR(1,)68SBR3SBR(=6h+14h),5568SBRSBRCODCrö(kgkgMLSS-1d-1)ö(kgkgMLSS-1d-1)CODCrö(mgL-1)ö(mgL-1)CODCrö(%)ö(%)60.0450.0484946738170.0600.0648265768080.0750.08011810161752a.,,,,,,CODCr40mgöL71No.6:SBR©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.BOD5öCODCr0.100.20,BOD5öCODCr0.330.40,0.15%(CODCr=408mgöL),,BOD5169mgöL,BOD5öCODCr=0.41,b.2,,,ö,30%,CODCr20%CODCr,37%53%,CODCr(),c.ÍÎSBRÍSBRCODCr22mgöL,17mgöL;ÎSBRCODCr26mgöL,16mgöLÍÎSBR(6.07.5h),,,ÍÎSBR,CODCr70mgöL7022mgöL,ÍSBR14h;ÎSBR7426mgöL,18h,CODCr,SBR,,PerryL.MocartyKs(),,,(),SBR,KsMLSS,,,SBR,,,,d.15SBR,,:,2.0h6.0h,67%92%,CODCr50%87%,BOD55mgöL,,6.0h45SBR,CODCr(610h),,,,20h,92%,13mgöL,,,,,,,(),CODCr35SBR(10h),,,,,,10h,,(),,,,68SBR,(0.045kgökgMLSSd),6SBR12h,20.0h,20mgöL,,,(,1000mgöL),,,3SBR,:,,ö811998Vol.14©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.30%,CODCr20%SBR,SBR(ö):0.032kgökgMLSSd,6.0h,10.0h,15mgöLSBR,,(),(),1[],1,11,19902[]11,1987;33,11,19924SyntheticDdtergentsÊ:Non2ionicDetergents.Wat.Pol2lut.Control.1967;294296::200092(1998-04-29)91No.6:SBR©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.DYNAMICCIRCULATINGMETHODFORMEASUREMENTOFBIODEGRADABLEDIS-SOLVEDORGANICCARBON(8)LiuWenjunLiFuzhiWangZhansheng(TsinhuaUniversity,Beijing)Abstract:Takingglucoseando2phthalicacidasrepresentativecompoundsofgoodandpoorbiodegradabilityrespectively,adynamiccirculatingmethodformeasuringofbiodegradabledissolvedorganiccarbon(BDOC)inwa2terisdescribedinthispaper.BDOCinwaterwasdegradedbycirculatingwaterthroughabiofilmreactorrepeatedlyandmeasuredbycalculatingthechangeofdissolvedorganiccarbon(DOC)ofthewater.Theexperimentalresultsshowedthat:(1)themethodwasusedtomeasurethechangeofBDOCinwaterpurificationprocessandinpipeline.TheresultsshowedthatBDOCofsourcewaterincreased31.58%afterpre2chlorination;BDOCoffinishedwateralsoincreasedafterpost2chlorination.(2)Thismethodhadseveraladvantages:shortinanalysistimeandabletoevaluateoffeasibilityofbiologicaltreatmentprocessfordifferentsourcewater.Keywords:WateranalysiswaterqualityassessmentbiodegradabilityDOCBDOCTWOSTEPCOAGULATIONTREATMENTOFPHOSPHORIZEDELECTROCOATINGWASTEWATERFROMAUTOMOBILEINDUSTRY(11)ZhangLinshengHuangYing(SoutheastUniversity,Nanjing)Abstract:PhosphorizedelectrocoatingwastewaterfromtheautomobileindustryhasverycomplexcompositionwithaCODconcentrationofuptoseveralthousandsmgöLandispoorinbiodegradability.Goodresultswereob2tainedintreatmentofthiswastewaterbyaprocessconsistingoftwo2stepcoagulation,flotation,filtrationandad2sorption.Thechargeneutralizationanddemusuficationofemulsifiedoilsbypolyaluminiumchloride(PLC)anditsflocculesadsorptionformacro2molecularorganicmattersplayedanimportantroleintheprocess.Acationicpoly2mericflocculantwaschosenbecauseitshydrolysatewithpositiveammoniumgroupenhancedtheadsorptionofresidualCODandimprovedtheflocculationefficiency.Keywords:PhosphorizedelectrocoatingwastewaterflocculationdemulsificationpolyaluminumchlorideEXPERIMENTALSTUDIESONTREATMENTOFLAUNDRYWASTEWATERBYSBRPRO-CESS(15)SunYongZhouXinyu(ShanghaiMunicipalEngineeringDesignandResearchInstitute,Shanghai)ZhouQunying(TongjiUniversity,Shanghai)Abstract:InthetreatmentoflaundrywastewaterbySBRprocess,syntheticdetergentinthewastewaterwaspreliminarydegradedthroughhydrolysisandpartialacidificationreactioninanoxicstageandsubjectedtofurtherdegradationinthelateraerobicstage.Experimentalresultsshowedthatwhenintakeperiodwas1.5h,theanoxicreactionperiod6handtheaerobicreactionperiod10h,theremovalsofnon2ionicsurfactantandCODreached92%and86%,respectivelyataloadof0.0320.04kgnon2ionicsurfactantökgMLSSd.Consideringthephysicochemi2calcharacteristicsofthenonionicsurfactant,SBRoperatedatlowerorganicloadwassaferandmoreefficientthanathigherorganicloadinordertoguaranteetheeffluentquality.Keywords:LaundrywastewaterSBRnon2ionicsurfactantanoxicTECHNOLOGYAPPLICATIONOFDOUBLE-CHANNELOXIDATIONDITCHTREATMENTFORREMOVINGPH