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206199911ENVIRONMENTALSCIENCEVol.20,No.6Nov.,1999*李艳霞1,2 王敏健1 王菊思1(1.,100085;2.,100101E-mail:Liyx@dls.iog.ac.cn),.,,5.8;,,.,5,,10,.,,.*(TheNationalKeyScienceandTechnologyProjectduringtheNinthFive-yearPlanPeri-od):96-909-01-05:(1971),,,:1999-01-25EffectofAirTemperatureonSewageSludgeComposting*LiYanxia1,2WangMinjian1WangJusi1(1.SKLEAC,TheResearchCenterforEco-EnvironmentalSciences,ChineseAcademyofSciences;2.StationforAgro-EcologyandEnvironmental-Technology,TheInstitutionofGeography,CAS,Beijing100101,ChinaE-mail:Liyx@dls.iog.ac.cn)AbstractTemperatureisreflectionofcompostingmicroorganismactivity,whichisanimportantfactortoaffectmicroorganismandcomposting.Thecompostingtemperaturecanbeaffectedbyseveralofphysicalandchemicalparameters,andalsocanbeaffectedbyairtemperature.Inthisexperiment,thesurroundingtemperaturehadalittleaffectontheinitialcompostingtemperaturewhenthesurroundingtemperaturewasabove5.8,thepilestemperaturecanrisesmoothly.Butwhenthepiletemperaturereachedthestageofhightemperatureandlastforfewdaysandthedecreaseofsurroundingtemperaturewasbelow5,thecompostingfailed.Keywordscompost,sewagesludge,airtemperature,[1,2].:pHC/N[37];.,,,.,,,.11.1.35cm.1.2;,;(12).1.121()/dAI1120AII2120AIII3130BI2130BII5130BIII813022.1,.,.,,,,,..:(1)Y00.4g/g,Y25%[8,9].(2)Rt=20d.(3)55%,40%.(4)55,0().(5)=0.7t/m3[7].[7]:QinQout.air+Qout.W+Qout.E+Qout.S(1),Qin(),Qout.air,Qout.W,Qout.E,Qout.S.Qout.airQout.E+Qout.S+Qout.W,.(1):QinQout.E+Qout.S+Qout.W(2),:H0=14.20.8(kJ/g)[7]:Qin=H0Y0YW106(kJ)Qin=H0(0.45W0Y0Y)=14.2106W0(0.450.40.25)=6.39105W0(3)Qout.W=H(W0M0-WM)W=W00.45(1-0.40.25)/0.6=0.675W0Qout.W=0.23106(W00.55-0.675W00.4)=0.64105W0(4)Qout.E=S(T-T)/D[9]Qout.E=4.87(55-0)S/0.12=2.23103S(5),=4.87kJ/m2,[9],S,D,0.12m,W0,H(0.23106kJ/t)[7];M.T=10,cp=2.34103kJ/t[7],Qout.S=W0cp(T-T)Qout.S=W02.34103(55-10)=1.05105W0(6)6420(3)(4)(5)(6)(2):6.39105W00.64105W0+2.23103S+1.05105W0,S=6L2,:W02.231036L2[(6.39-0.64-1.05)105]W00.03L2(7)W0=L31/RT=L31/200.7(8)(7)(8):L31/200.70.03L2L0.86(m)L0.86m,L30.64m3.,=1.2510.8=1m3,0.2m3,0.8m3.2.2,(2).2AIAIIAIIIBIBIIBIII/2327.822.36.85.85.8/h15.816922850932,,,615.893h55.2BIAII,,220,AII16h,BI28h.,,,,,5.8,.2.3,,.2,,,(3).3,,.,,,.2,233.3,656,..,,,,,,,.,,,13.13,,AIII.AIII8d,10,2d,AIII.2,,AIII.,10,.,.23,5,,.,,,,.3(1),0.64m3.(2).,5.8.(3),,,;,10,,,5,.1WatP.Theprincipalofcompositionandutilizationinpractise.ControlTech.,1975,47(4):7412,,..,1999,20(2):971033StromPG.Effectoftemperatureonbacterialspeediesdiversityinthermophilicsolid-wastecomposting.Ap-pliedEnvironmentalMicrobiology,1985,50:8999054MackinleyVLandVestalJR.Effectsofdifferenttem-peratureregimesonmicrobialactivityandbiomassincompostingmunicipalsewagesludge.CanadianJournalofMicrobiology,1985,31:9199255MackinleyVLandVestalJR.Physicalandchemicalcorrelatesofmicrobialactivityandbiomassincompost-ingmunicipalsewagesludge.AppliedEnvironmentalMicrobiology,1985,50:139514036MacGregorSTetal.Compostingprocesscontrolbasedoninteractionbetweenmicrobialheatoutputandtem-perature.AppliedEnvironmentalMicrobiology,1981,41:13211330.7BertoldiMde,ValliniGandPeraA.TheBiologyofComposting:aReview.WasteManagement&Re-search,1983,1:1571768,.DANO.,1991,10(12):10139RobertCWandDavidRL.CRCHandbookofChem-istryandPhysics.BocaRaton,Florida:CRCPress,Inc.1990.576620
本文标题:环境温度对污泥堆肥的影响
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