产物循环对生活垃圾好氧生物处理过程的影响邵立明

2　9环境工程学报Vol.2,No.920089ChineseJournalofEnvironmentalEngineeringSep.2008邵立明　金泰峰　何品晶＊　张冬青(,,,200092)　　,(30%、10%、)。,(、、);30%10%70%65%,63%;(50℃)。,30%、10%,60%、61%62%,0.401、0.4280.421kg/kg,60%、59%55%。　　　　　　X705　　　A　　　1673-9108(2008)09-1231-04InfluenceoftheadditionofrecycledproductsonaerobicbiologicaltreatmentformunicipalsolidwasteShaoLiming　JinTaifeng　HePinjing　ZhangDongqing(StateKeyLaboratoryofPollutionControlandResourcesReuse,KeyLaboratoryofYangtzeRiverWaterEnvironment,MinistryofEducation,CollegeofEnvironmentalScienceandEngineering,TongjiUniversity,Shanghai200092)Abstract　Thestudywascarriedouttoinvestigatetheinfluenceoftheinoculationwithrecycledproductsonreductionofmoisturecontentduringaerobicbiologicaltreatmentofmunicipalsolidwaste.Threetrialswerecon-ductedwithdifferentinoculationratios(30%,10%andnoinoculation,respectively).Theresultsshowthattheadditionofrecycledproductsincreasedthedecompositionofdifferentorganiccompounds(totalsugars,lipids,proteinsandlignocelluloses)andtotalorganicmatter.Thedegradationratesoforganicsintwoinoculatedtrialswere70%and65%,respectivelyfor30%and10%ratios,higherthan63%inthetrialwithoutinoculation.Hightemperature(above50℃)couldbemaintainedlongerforinoculatedtrials.Theinoculationhadlittleeffectonreductionofmoisturecontent.Thewaterremovalratesofthreetrials(30%,10%,noinoculation)were60%,61%and62%,respectively.Theremovedwaterperinitialwetwastewas0.401kg/kg,0.428kg/kgand0.421kg/kg,respectively.Thefinalmoisturecontentsofproductswere60%,59%and55%,respectivelyfor30%,10%inoculationandnoinoculation.Keywords　municipalsolidwaste;moisturereduction;inoculation;moisturecontent;decompositionoforganicmatter:(2006BAC06B04):2008-01-23;:2008-05-30:(1962～),,,,。E-mail:[e-mail]＊,E-mail:[e-mail]　　、、,[1]。,。[2],,。Norbu[3],,68%61%。2:(1),,,[4];(2),2,,,。,,。,,。Adani[5]Mara[6],:(),。,,,()。([6]),。,,,。1　1.1　。、,;。、1。1　Table1　Physio-chemicalcharacteristicsofexperimentalmaterials(%)6958(%)1211(%)1312(%)87(%)＊4651(/g)1.83×1091.78×109(/g)1.56×1072.86×106(/g)2.10×1063.82×107(/g)1.71×1071.08×107＊、1.2　1。1　Fig.1　ExperimentalequipmentPVC,1.2m;0.4m,0.1m。30°,0.2m(8mm),(5mm～8mm);2,(XGB-8,),。,0.8m;,0.1m0.1m,。。1.3　3,、2。40℃。,;。2　Table2　Operationconditionsofexperiments30%＊10%＊(kg)36.430.828(m3/h)1.81.81.8(/d)484824(min)7710/(m3/kg)1.982.341.36＊()12329:1.4　(WMY-01-C,),70℃48h[7]。3,5-[8],[9],[10],NDF-ADF[11]。、、。;PDA,0.3mL/100mL0.3%;1,2mL/100mL1%K2Cr2O7[12];[13]。[14]。2　　2.1　,2。2,22d60℃,50℃8d,。30%10%,0.28、0.330.26m3/(kg·d)。,;30%10%0～8d,,,8～13d,2。2　Fig.2　Materialtemperatureprofileforthreeexperiments2.2　3,。(30%),,;10%,。,,。,Adani[5]:(45℃),。3　Table3　Changesofmoisturecontentinmaterialsbeforeandafterexperiments30%10%(%)676969(%)605955(%)606261(kg)14.613.211.8(kg/kg)0.4010.4280.421(kg)16.313.713.82.3　4。,,;,,,30%10%。10%,2,,,;,,。4　Table4　Degradationratesoforganicmatter30%10%(%)706563(%)716259(%)666018(%)697936(%)6455113　　3.1　,12332:,,(、)。,,,,。,(4),1;,,,“”,“”。,,()。:,。,,,,,(3);,,,,。3.2　,,10%。,,,,;,,,[15]。4　　(1),“”,。10%30%63%65%70%,11%55%64%。(2),,,。10%30%12%24%。(3),,。10%30%:60%、59%55%。[1],,,..,2004,12(1):11～13[2],,.-.,2004,12(4):198～199[3]NorbuT.,VisvannathanC.,BansnayakeB.Pretreatmentofmunicipalsolidwastepriortolandfilling.WasteManage-ment,2005,25:997～1003[4],,,..,2005,6(10):69～72[5]AdaniF.,BaidoD.,CalcaterraE.,etal.Theinfluenceofbiomasstemperatureonbiostabilization-biodryingofmu-nicipalsolidwaste.BioresourceTechnology,2002,83:173～179[6]MaraS.,EnricoC.,AdaniF.Biostabilization-biodryingofmunicipalsolidwastebyinvertingair-flow.BioresourceTechnology,2005,96:1331～1337[7]APHA,AWWA,WPCF.Standardmethodsfortheexami-nationofwaterandwastewater.18th,ed.Washington,DC:APHA,1992[8],,..:,2001.5～7[9]GB/T5009.5-2003,[10]GB/T5009.6-2003,[11]..:,1994.202～206[12],.(2).:,2000.330～332[13],,,..,2004,12(1):33～36[14]GB4789.2-2003.[15]HongR.J.,WangG.F.,GuoR.Z.,etal.LifecycleassessmentofBMT-basedintegratedmunicipalsolidwastemanagement:CasestudyinPudong,China.ResourcesConservationRecycling,2006,49:129～1461234