高浓活性污泥法处理印染废水的研究丁新春

檽檽檽檽檽檽檽檽檽檽檽檽檽檽檽檽檽檽殦殦殦殦2018－10－311985—。121121121．2240022．210046。2500～6500mg/L。COD750mg/LMLSS6g/LCOD100mg/LCOD80%。。。X703A1008－021X201823－0192－04PreliminaryStudyonHighConcentrationofActivatedSludgeTreatmentofDying－printingWastewaterDingXinchun12ZhangJianzhu1LiuBo12CaoXun1LiuFuqiang121．NanjingUniversity＆YanchengAcademicofEnvironmentalProtectionTechnologyandEngineerYancheng224002China2．SchoolofEnvironmentNanjingUniversityNanjing210046ChinaAbstractTheexperimentofdying－printingwastewatertreatmentatseveralsludgeconcentrationfactorsisintroduced．Inarangeofconcentrations2500～6500mg/LtheexperimentresearchshowsthattheremovalrateanddegreeofDying－printingWastewatertreatmentisobviouslyimprovedasincreasingtheConcentrationofSludge．WhentheinflowCODChemicalOxygenDemandandMLSSMixedLiquorSuspendedSolidsareabout750mg/Land6g/LrespectivelyeffluentwithCOD＜100mg/LisobtainedandtheCODremovalincreasesmorethan80%．Butafteraerobictreatmentwithdifferentsludgeconcentration．TheChromaticitychangeisnotobvious．Itshowsthataerobicactivatedsludgemethodhaslimitedeffectoncolorremoval．ComparetheProcessofLowconcentrationactivatedsludgeAgreaternumberandvarietyofproto－ormetazoanswereobservedinhighlyenrichedactivatedsludgeBymicroscopy．Thisshowthatthesludgeismorematureandthewaterqualityisbetter．Keywordsconcentrationofsludgedying－printingwastewateractivatedsludgebiologicaltreatment20～30t11%。COD24～30t9%1。、、COD、CODB/C2－3。COD、、4。。、。2007CODcr0．30～0．5kg/kg·dCODcr85%800mg/L0．50mg/L5。2013kezhaozhouMSBＲCODA6。。。。11．11、。。、、、160L。35L。·291·SHANDONGCHEMICALINDUSTＲY201847DOI:10.19319/j.cnki.issn.1008-021x.2018.23.080231－2－3－4－5－DO6－7－11．21．2．1、、、PVA、。。。“+”。1。1pHCOD/mg/L/SS/mg/L12～1315001203007～9600～90080801．2．250L12hmCOD∶mN∶mP=100∶5∶1、、COD800mg/LHＲT24h。。COD70%。1．2．3FeSO4。、、。MLSS2500～3500mg/L3000mg/LMLSS4000～5000mg/L4500mg/LMLSS5500～6500mg/L6000mg/L。1．2．4CODpHPHS－25MISSSV100mL。22．12CODCOD。21d95%COD。7。·391·。。“”8。2．2、、、CO2、H2O9－10。。3。。。11。。3ab2．32．3．1COD4COD4COD。COD。。14dCODCOD、12－14。2．3．2。CODCOD。。5MLSS3．0g/LCOD200mg/LMLSS4．5g/LCOD160mg/LMLSS6．0g/L·491·SHANDONGCHEMICALINDUSTＲY20184723COD110mg/L。。SV30。15。52．3．320。16－19。3。COD750mg/LMLSS6g/LCOD100mg/L。、。17－19。1．EB/OL．2017－04－11http//．h2o－china．com/news/256521．html．2．J．2008214113－115．3．J．20108124－125．4．－J．20093101789－1792．5．J．2007137－39．6Zhoukezhao．High－concentrationactivatedsludgeprocessfortreatmentofmunicipalwastewatercomposedmainlyofprintinganddyeingwastewaterJ．ChinaWater＆Wastewater201329385－87．7．J．20141173．8．J．201241952－55．9．SBＲJ．200869－10．10．D．2013．11．D．2015．12．J．2009972－74．13．J．201028757－59．14．J．20087111724－1727．15．M．2008．16．J．2007654－57．17．－J．2008．18．A/OJ．2015412113－114．19．J．2012391201－202．．J．20184723192－195．·591·