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:2017-12-14:,(No.14DZ1208404)。:(1963—),,,,。〔〕。(、、M1),75%~85%(1~3t/d),、3。,,;。,,/。〔〕;;;;:X703:B:1004-4345(2018)02-0038-06TheLifeCycleAssessment(LCA)oftheModifiedSludgeIncinerationinaDemanstrationProjectZHAOYoucai1,ZHOUTao1,LIUDajiang1,DAIShijin1,ZHANGRuina2,TAIJun2,CHENShanping2(1.SchoolofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092,China;2.Shanghaiinstitutefordesign&researchonenvironmentalengineeringCo.,Ltd.,Shanghai200232,China)AbstractTheadvantageofsludgeincinerationistheharmlessandquantitativereductionofsludgerapid.Basedonthepreviousresearchabouttheimprovementofsludgedewateringperformanceandcalorificvaluethroughtheadditionofdifferentmaterials(aged-refuse,woodchips,M1dehydrantandpulverizedcoal),wedeterminedadehydratedsludgedrying/incinerationdemonstrationproject(thetreatmentcapacityof1~3t/d)fortherawsludgewiththe78%moisturecontent.Furthermore,theLifeCycleAssessmentsofrawsludgelandfill,rawsludgedrying/incinerationandthemodifiedsludgedrying/incinerationwereevaluated.Theresultsshowedthatthemodifiedsludgedrying/incinerationhadahigherenergyoutput,butahigherindexsoftheglobalwarmingandhumantoxicity.Thevolatilizationofheavymetalsinsludgeandaged-refusewasthemaincontributorforhumantoxicityindex.Therefore,itisnecessaryforthereductionofhumantoxicityindexbychangingtheburningconditionsoradditivecomponents.Keywordssludgemodification;drying/incineration;solidfuel;demanstrationproject;LifeCycleAssessment1,1,1,1,2,2,2(1.,200092;2.,200232)39220184、,,。、、。、、[1-4],,。,,。,、、[5]。,8~10,、、,[6]。、,,[7]。,2,NH3,,,,。,[8-11]。[8],,。(LifeCycleAssessment,LCA)(、、),,、、、、、、[12],。(SETAC)LCA:、、。,LCA。、、、、、、、,Peters[13]、,。Boesch[14]、,。(、、M1)[5],1~3t、78%,、、M1,、,,。11.1,1~3t/d,2000m2,200~300kg。,75%~85%,6909~12582kJ/kg。、:5mm,30%;20%;20%,5mm。1.2、、M1100:10:5:5:20(w/w),20℃5d,。30%。1。1,:,;,>2mm25%~50%;>2500kcal/kg。22.1(2)。,NH3,,30%。239··39,5~6h,5L/t()。,、EM。2.23。(a)(b)32.3、:1t、78%(FunctionalUnit);(SystemBoundary),、;、。2.3.1,、、。,LCA,LCA。5t,0.04L·t-1·km-1[15]。,5tNOx0.01kg/L、CO22.59kg/LSOx0.002kg/L。2.3.2,、、。,,,。,LCA,。,,(4)。、、()0.65、0.22、0.27L/t[16];()0.56L/t[16]。42.3.3(754kJ/kg),,40%。(),,。∶=1∶0.086(w/w)。5,,、;PM10,CO2、SOx、NOx,。,。5、11.70kW·h,、、108.26kW·h。,1。1[17]kg/tSO2PMNOxHCl14522.50ZnPb0.0660.0540··22.3.4M1、、、5%、5%、10%、20%(2)。5d,3221kcal/kg,。2%(6),,。、M1、,,,;PM、CO2、SOx、NOx。,。6,、M1、,0.27L/t(),75kW·h/t,37.5kW·h/t;1500t/d,99.73kW·h/t。,PM、CO2、SOx、NOx,3。3:2.3.5,、、;,。、L(),5t1L,SO20.002kg/L、NOx0.01kg/L、CO22.59kg/L[16]。kg/t(),kW·h,。1kg29.26MJ,8.13kW·h,1t,CO22.62t、SO28.5kg、NOx7.4kg、2.1kg[15]。,(21.6%)CH461.7kg/t、CO298.1kg/t[1]、H2S4.54×10-3kg/t、NH31.65×10-3kg/t、SO22.58×10-2kg/t、NOx7.80×10-2kg/t[18];,CO290%,95%[15]。,,SO214kg/t、PM52kg/t,NOx2.5kg/t,Zn0.066kg/t、Pb0.05kg/t[17];,PM1.56kg/t,HCl0.23kg/t,NOx0.48kg/t,SO20.095kg/t,Zn0.0079kg/t、Pb0.021kg/t,CO2429.51kg/t。4。/(mg/m3)/(kg/h)/(mg/m3)/(kg/h)2760.06461200.7042.19.85×10-31005.2×10-384.60.01982400.015416.83.93×10-35500.0523.99.13×10-40.708×10-51.383.23×10-41890()2000(15m)M115105202105103105204205105101204/kg/L/L/kg/(kW·h)CO2CH4PMSO2NOxHClZnPb0.61.125.5913.330.00340.0340.388.9120.010011.263.140.650.0140.0111.24.8178.078.8363.62620.970.150.420.140.00480.01341··392.3.6、、3、3。,kg;kgCO2,CH4CO2(CO2),25.01.0;kgDCB,SO2、PM、NOx、HCl、ZnPb,DCB[19]5。5DCB6,,100%,0%,[20]。SO2PMNOxHClDCB0.310.0961.20.5ZnPb1004701.9537.4337.6500.04100104.05087.951009.410-169.02100251.29347.3122.4/(kgS.Coal-e)/%/(kgCO2-e)/%/(kgDCB-e)/%1)。:(1),。5d3221kcal/kg,,。(2),86.8%,,。(3),,。:,,,,,。(5d),。2)。(CarbonFootprint)(7),、、、,。,。,CO298.7%,CO2。,CH4,。CO2,8.5%20%,CO213。CO2,CO244.0%,104.05kg;CO210.1%,169.02kg。3)。38。67842··28,,CO2、CH4,NOx0.05%(w/w),NOxDCB1.2。,DCB,9.41kg7.31kg,,69.8%90.2%。,,PM、SO2Zn,NOxPb。,,。,,,,CO2,。,,CH4。,。4,,:1),;2),。;3),,/。[1].[D].:,2008.[2]FangM,WongJWC,WongMH,etc.Compostingofsewagesludgeandcoalflyash;nutrienttransformation[J].Bio-resourceTechnology,1999,67(1):19-24.[3].[J].,2001,22(3):54-59.[4]WangQunying,ZhangLian,AtsushiSato,etc.Mineralinteractionsandtheirimpactsonthereductionofpm10emissionsduringco-combutionofcoalwithsewagesludge[J].Proceedingsofthecombustioninstitute,2009,32:2701-2708.[5],,,.[J].,2009(6):95-97.[6].[D].:,2007.[7]J.WertherT.Ogada.Sewagesludgecombustion[J].Progressinenergyandcombustionscience,1997,25(1999):55-116.[8],,,.、[J].,2008(10):27-28.[9]WinKTToyotaK,MotobayashT,HosomiM.Suppressionofammoniavolatilizationfromapaddysoilfertilizedwithanaerobicallydigestedcattleslurrybywoodvinegarapplicationandfloodwatermanagement[J].SoilSci.Plant.Nutr.,2009,55(1):190-202.[10]VelmuruganN.,Han,S.S.,Lee,Y.S.Antifungalactivityofneutralizedwoodvinegarwithwaterextractsofpinusdensifloraandquercusserratasawdusts[J].Int.J.Environ.Res.,2009,3(2):167-176.[11]HiromichiSakaguchiNaotoUyama,HiroshiUyama.Preservingboiledeggswithasterilizationsystememployingmicrobiallaccaseandwoodvinegar[J].AnimalScienceJournal,2007,78:668-671.[12]G.RebitzerT.Ekvall,R.Frischknecht,D.Hunkeler,etc.Lifecycleassessmentpart1:Framework,goalandscopedefinition,inventoryanalysis,andapplication[J].EnvironmentInternational,2004,30:701-720.[13]G.M.Peters,H.V.Rowley.Envir
本文标题:改性污泥固体燃料工程示范及生命周期评价
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