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1,1,1,C.PaulLo2,1,3(1., 200092;2.SchoolofPublicHealthandTropicalMedicineDepartmentofEnvironmentalHealthSciences,TulaneUniversity,NewOrleans,LA;3., 100094):,,(、、pH、).:,、、、,,.,,60%±2%,55℃4d,100%;14d,,50%,,,EPAA.:;;;:X705 :A :0250-3301(2005)05-0192-04:2004-08-26;:2004-10-19:(02DZ12101):(1958～),,,.RapidandHigh-EfficientCompostingProcessofMunicipalSewageSludgeCHENLing1,ZHAOJian-fu1,LIYu-qing,C.PaulLo2,FANGPing1,LIJi3(1.StateKeyofPollutionControlandResourceReuse,TongjiUniversity,Shanghai200092,China;2.SchoolofPublicHealthandTropicalMedicineDepartmentofEnvironmentalHealthSciences,TulaneUniversity,NewOrleans,LA;3.CollegeofResourcesandEnvironment,ChinaAgricultureUniversity,Beijing100094,China)Abstract:Basedonthestaticcompostingprocessofthemunicipalsewagesludge(MSS),thepaperdemonstratesthedynamiccompostingprocessoftheMSSfromShanghaiQuyangMunicipalWastewaterTreatmentPlant.Thedynamicsofdifferentoperationalandevaluatingindicesduringthetreatmentprocessarediscussed,suchaswatercontent,temperature,pH,dissolvedorganiccarbon(DOC)andgerminationindex(GI)andsoon.Itisconcludedthatthewatercontentofmaterials,temperature,DOCandGIcanbeinterpretedastheevaluatingindicesofthematurationofMSS.Underoptimizedcondition,whenthewatercontentofinitialmaterialswasadjustedto60%±2%withappropriatesawdustandrecycledmaterials,theresultsindicatedthatthetemperatureofcompostingmaterialscouldreach55℃rapidlyandlast4days,thus100%ofthepathogenswouldbekilledout.Intheendofcompostingprocess,thewatercontentofoutputswasreducedexactlytoabout35%,DOCcouldbedecomposedbyabout50%.Theincompact,odorless,andalmostmatureoutputcouldmeetthelandapplicationcontrolstandardofMSSandtheclassAstandardofUSEPA.Keywords:municipalsewagesludge;compost;amendment;maturation 、,.,、,,,.,,,3～6,.,,[1～3].,、、pH、、、,,,.1 1.1 ,1.,,3,5min,.1.2 1.2.1 26520059 ENVIRONMENTALSCIENCEVol.26,No.5Sep.,2005DOI:10.13227/j.hjkx.2005.05.0381 Fig.1 Theprocessflowofdynamicaerobicfermentation,80%.1.1 Table1 CharacteristicsofQuyangsewagesludge/%80±2()/g·kg-13.0～6.0/%50～60()/g·kg-125～60/%20pH6.0～7.0/MPN≥24000()/g·kg-1600～700C/N8～10 ()、:24.5g/kg、22.7g/kg7.1g/kg,.1.2.2 (15%,84%).,,,60%±2%;,0.1%.1.3 ,1.2.2 Table2 Physicalandchemicalindicesandanalyticalmethods/%(DHG-9030A)pH1∶10,(pHS-3)VS/%KSW-4-12,550℃4hDOCTOC-ⅤCPN,SHIMADZU()1.4 (GerminationIndex,GI),[4,5].,.:1∶102h,5000r/min20min,;9cm,10F1,3mL,25℃,48h,3,.GI:GI=×××100%2 2.1 2.1.1 C/NC/N,C/N,,.,;.,,.10%、15%、20%25%,70%、68%、65%60%.:60%,C/N,、.2 pHFig.2 ThewatercontentandpHdynamicduringthecomposeprocess2.1.2 pHCO2,,,2.2,59%60%1935 37%40%,,.,pH.pH6～9,,,[6].,pH,pH.,pH6.0～7.0,2,,.2.2 .,55℃3d,,[7,8].23,1d,,55℃,3～4d;,,,,10d,,35%.,,.3 Fig.3 Thetemperaturedynamicduringthecomposeprocess2.3 43(DOC)(DTN).:(1～5d),,、,、、、、,DOC;CO2H2O,DOC.,DOC50%,《》(GB18918-2002)..:,,2～3d.:,,,,.4:DTN.4 Fig.4 Thetotalwatersolublenitrogendynamicduringthecomposeprocess2.4 GI.,50%,[6～9].、F1(),.5GI:,2,1～6d,,NH+4、,[4].,NH+4、,,GI.10～14d,GI60%～80%,194 26.5 Fig.5 GIdynamicduringthecomposeprocess2.5 GB18918-2002,,(%)95、0.01;EPAA(),1000MPN/g,3MPN/4g,1/4g[10,11].(),3.:,,5d90MPN/g,160CFU/g,20CFU/g.,,3d,100%;15d,GB18918-2002EPAA,.3 Table3 Datafrompathogenicanalysisduringthecomposeprocess/d/MPN·g-1/CFU·g-1/CFU·g-1124000620148003110003808059016020730270209301705013930130190154301004703 (1),,,60%±2%.:∶∶∶VT=100∶10～20∶20～30∶0.1～0.5;:300L/min,5min/8h～5min/12h,14～15d.,55℃,3～4d,,GB18918-2002EPAA.(2),、、、,、,;.(3),15d50%,60%,,,1/3.:[1] BrightDA,HealeyN.Contaminantriskfrombiosolidslandapplication:contemporaryorganiccontaminantlevelsindigestedsewagesludgefromfivetreatmentplantsingreaterVancouver[J],BritishColumbiaEnvironmentalPollution,2003,126:39～49.[2] Lambolex-MichelL,BillardH.Evaluationoftoxicandgenotoxicpotentialofstabilizedindustrialwasteandcontaminatedsoils[J].WasteManagement,2002,22:241～247.[3] ChaneyRL,RyanJA,OconnorGA.Organiccontaminantsinmunicipalbiosolids:riskassessment,quantitativepathwaysanalysis,andcurrentresearchpriorities[J].Sci.Tot.Environ.,1996,185:187～216.[4] ZucconiCF,PeraA,ForteM,etal.Evaluatingtoxicityofimmaturecompost[J].Biocycle,1981,(22):54～57.[5] WarmanPR.EvaluationofSeedGerminationandGrowthTestsforAssessingCompostMaturity[J].CompostScienceandUtilization,1999,7(3):33～37.[6] ,,,.[J].,2002,21(6):489～492.[7] ,,,.[J].,2003,43(6):753～758.[8] ,,,.[J].,2003,(3):29～33.[9] WongMH.Phytotoxicityofrefusescompostduringtheprocessofmaturation[J].EnvironmentalPollution(SeriesA),1985,(40):127～144.[10] GB18918-2002,[S].[11] EPA8322/R-93/003,1994,APlainEnglishGuidetotheEPAPart503BiosolidsRule[S].1955