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·76·RenewableEnergyResources28120102Vol.28No.1Feb.2010,、、、、、、。,、、,,。、、[1]。,、。《》,;,,:2009-09-09。:(2008AA062401)。:(1978—),,,。E-mail:lirongping@bjhks.org:(1965-),,,。E-mail:xjli@mail.buct.edu.cn1,2,1,2,2,2(1.,100028;2.,100029):,、(TS)、(VS)、、、,3。,/,Na+,Ca2+Cl-。,、212.2,331.6362.4ml/g,36%41.4%,Cl-。:;;:TK6;X705:A:1671-5292(2010)01-0076-05CharacteristicsandanaerobicdigestionperformancesofkitchenwastesLIRong-ping1,2,GEYa-jun1,WANGKui-sheng2,LIXiu-jin2,PANGYun-zhi2(1.BeijingEnvironmentalSanitationEngineeringResearchInstitute,Beijing100028,China;2.CenterforResourcesandEnvironmentalResearch,BeijingUniversityofChemicalTechnology,Beijing100029,China)Abstract:Thecharacteristicsofwastesfrombreakfast,lunchanddinnerwereinvestigatedandde-termined,includingtotalsolids(TS),volatilesolids(VS),carbohydrate,protein,lipids,andinor-ganicsaltconcentrations.Thedigestibilityofthreekindsofkitchenwastesweretestedinbatchanaerobicdigesters.Theresultsshowedthattherewerelargedifferencesbetweenbreakfastwasteandlunch/dinnerwastes,especially,theNa+,Ca2+andCl-contentsinbreakfastwasteishigherthantheothertwo.Itwasfoundthatthecharacteristicsofkitchenwastesinfluencedthebiogasproductionperformanceandorganicmatterremoval.Theaccumulativemethaneyieldofbreakfastwaste,lunchwasteanddinnerwastewere212.2,331.6and362.4ml/gVS,respectively.Thebiogasproductionfrombreakfastwastewas36%and41.4%lowerthanlunchwasteanddinnerwaste,re-spectively,whichprobablyresultedfromthehighCl-contentinbreakfastwaste.Keywords:kitchenwaste;anaerobicdigestion;biogas·77·,。,,,,[2],[3]。,“”,,。,。“”,,。11.1、(A,BC)。、、,4。5kg。,,2~5mm,,-20℃。,A、、,BC、、、。1.2(TS),(VS),pH[4]。(TC)(SKALAR,)。(TN)(KDN-2C,),6.25,。,。、、VS。(HitachiZ-8000,);(DX-600,)。(,SP-2100)CO2CH4,。,、150,150120℃。1.3、。,,,。(35±2℃,120r/min)。,,(MLSS)17500mg/L。VS,A,BC,10g/L,。22.12.1.1TS,VS3TS,VS1。A,BCTS12.2,24.721.9g/L。,ATSBC44.3%~50.6%。A,TS。TS,VSA,BC68.1%,94.1%82.6%。VS/TS。AVS/TS,68.1%,BC14.5%~26.0%。,TSVS,BC,A,。2.1.2、。13。,3,42.5%~55.2%15.0%~16.9%;A6.2%,BC。13Table1CharacteristicsofthreekitchenwastesABCTS/g.L-1122240219VS/g.L-183232181VS/TS/%68.194.182.6/%*4755.242.5/%*151516.9/%*6.223.923.3/%*375452.2/%*2.42.42.7C/N15.422.519.3Na+/mg.g-1*22.415.416.8Ca2+/mg.g-1*24.43.917.5Cl-/mg.g-1*7620.631SO42-/mg.g-1*9.36.24.3NO3-/mg.g-1*2.91.40.7PO43-/mg.g-1*1.14.38.1*。·78·。,,。,,。,:①,;②,,[5]。,BC,。2.1.3C/N,C/N。,C/N13/1~28/1[6]。C/N,,;C/N,TAN,。1,3C/N,。2.1.4,。Na+Ca2+,Cl-,SO42-,NO3-PO43-(1)。Na+Ca2+,Na+NADH。,,Na+Ca2+;Na+3500~5500mg/L,Ca2+2000~4500mg/L;Na+Ca2+8000mg/L,[5]。,,Na+Ca2+。,ICNa+,Na+10000mg/L,[7]。13Na+Ca2+。,ABC。,Na+22.4mg/g(),BC31%25%;Ca2+24.4mg/g(),BC84%28%,A、、。,10%,3Na+Ca2+。,Cl-,SO42-,SO42-。SO42-[5]。①,;②。,COD/SO42-≥1,COD/SO42-[8];COD/SO42-,。Cl-SO42-[9]。,,Cl-4.5g/L,SO42-1.8g/L,。1,ACl-,BC1.5~2.7,。Cl-4.5g/L,ATS6%,;3SO42-。,COD/SO42-,BCOD255.7mg/g(),BCOD/SO42-41.2,。2.232.2.130d,3[ml/g,STP(Standardtemperatureandpressure),]〔ml/(L·d)〕12。1,A,16,,,VS212.2ml;BC331.6362.4ml。,BCA36%41.4%。,。,RuihongZhang435ml[10],,2010,28(1)·79·50℃,。,(VS),ChoPark[11]472mlgHeo[12]489ml,。2,6,9、1011A,BC,。,A,BC7、1110,236,489486ml/(L·d)。80%[13]。12,ABC。A14d,BC16d19d。BC,。2.2.23。10,,。10,,73.2%~75.1%,24.9%~26.8%。(OnewayANOVA,Turkey,P=0.05),3。2.2.3,310g,。VS,VS,。3TS88.5%,85.6%88.8%,VS79.8%,84.6%95.2%(2)。,3VS,。,pH,7.3。2.3,。3,330%,、、4%,1Fig.1Accumulativemethaneyieldfromkitchenwastes051015202530350.00.51.01.52.02.53.03.54.0/ml·g-1/dABC2Fig.2Dailymethaneproductionfromkitchenwastes05101520253035/ml·g-1/dABC02004006008003Fig.3Biogascompositionduringanaerobicdigestionofkitchenwastes051015202530/%/d020406080100CH4-ACO2-ACH4-BCO2-BCH4-CCO2-C2pHTable2VSremovalandfinalpHwithanaerobicdigestionofkitchenwastesTS/%VS/%pHA88.579.87.33B85.684.67.35C88.895.27.3325.628.97.39,(NYN525-2002)[14],。33,、。TS,VS,VS/TS,Na+,Ca2+Cl-,Cl-,。,、VS212.2,331.6362.4ml,TS88.5%,85.6%88.8%,VS79.8%,84.6%95.2%。,,,Cl-。:[1],.[J].,2004,6(4):165-172.[2]CALLAGHANFJ,WASEDAJ,THAYANITHYK,etal.Continuousco-digestionofcattleslurrywithfruitandvegetablewastesandchickenmanure[J].Biomass&Bioenergy,2002,27:71-77.[3]LIR,CHENS,LIX,etal.Anaerobicco-digestionofkitchenwasteandcattlemanureformethaneproduction[J].Energy&Fuels,2009,23:2225-2228.[4]APHA.Standardmethodsfortheexaminationofwaterandwastewater[M].20thed.WashingtonD.C.:AmericanPublicHealthAssoc.,1998.[5]CHENY,CHENGJJ,CREAMERKS.Inhibitionofanaerobicdigestionprocess:areview[J].Bioresourc.Technol.,2008,99:4044-4064.[6]BURTONCH,TUNERC.Manuremanagement[M].UK:SilsoeResearchInstitute.2003,281-282.[7],,,.Na+IC[J].,2008,26(1):15-18.[8],,.COD/SO_4~(2-)[J].,1993,14(1):7-7.[9],,,.Cl-SO42-[J].,1999,33(2):237-239.[10]ZHANGR,EL-MASHADHM,HARTMANK,etal.Characterizationoffoodwasteasfeedstockforanaero-bicdigestion.[J].Bioresourc.Technol,2007,98:929-935.[11]CHOJK,PARKSC.BiochemicalmethanepotentialandsolidstateanaerobicdigestionofKoreanfoodwastes[J].Bioresourc.Technol.,1992,52:245-253.[12]HEONH,PARKSC,KANGH.Effectsofmixturera-tioandhydraulicretentiontimeonsingle-stageanaero-bicco-digestionoffoodwasteandwasteactivatedsludge[J].J.Environ.Sci.Health,PartA,2004,39(7):1739-1756.[13]PALMOWSKILM,M譈LLERJA.Influenceofthesizereductio
本文标题:餐厨垃圾特性及其厌氧消化性能研究
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