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1、WasteManagement32(2012)249–255ContentslistsavailableatSciVerseScienceDirectWasteManagementjournalhomepage:www.elsevier.com/locate/wasmanEffectofthermalpretreatmentonthephysicalandchemicalpropertiesofmunicipalbiomasswastea,?aa,bcdXiaoLiu,WeiWang,XingbaoGao,YingjunZhou,RenjieShenaSchoolo
2、fEnvironment,TsinghuaUniversity,Beijing100084,ChinabChineseResearchAcademyofEnvironmentalSciences,Beijing100012,ChinacDepartmentofUrbanandEnvironmentalEngineering,GraduateSchoolofEngineering,KyotoUniversity,Katsura,Nisikyo-ku,Kyoto615-8540,JapandCivil&EnvironmentEngineeringSchool,Beiji
3、ngUniversityofScience&Technology,Beijing100083,ChinaarticleinfoabstractArticlehistory:TheeffectsofthermalpretreatmentonthephysicalandchemicalpropertiesofthreetypicalmunicipalReceived31May2011biomasswastes(MBWs),kitchenwaste(KW),vegetable/fruitresidue(VFR),andwasteactivatedsludgeAccepte
4、d28September2011(WAS)wereinvestigated.Theresultsshowthatthermalpretreatmentat175°C/60minsigni?cantlyAvailableonline24October2011decreasesviscosity,improvestheMBWdewateringperformance,aswellasincreasessolublechemicaloxygendemand,solublesugar,solubleprotein,andespeciallyorganiccompoundsw
5、ithmolecularKeywords:weights>10kDa.ForKW,VFRandWAS,59.7%,58.5%and25.2%oftheorganiccompoundscanbesepa-Thermalpretreatmentratedintheliquidphaseafterthermaltreatment.WASachievesa34.8%methanepotentialincreaseandaMunicipalbiomasswastedoubledmethaneproductionrateafterthermalpretreatment.Inco
6、ntrast,KWandVFRshow7.9%andDewateringperformanceSolubleorganiccompounds11.7%methanedecreasebecauseofmelanoidinproduction.Anaerobicbiodegradabilityó2011ElsevierLtd.Allrightsreserved.1.Introductionetal.,2010;Liuetal.,2008;Mata-Alvarezetal.,2000;Rughoonun-dunetal.,2010).In2009,157.3million
7、tonsofmunicipalsolidwastewaspro-ThermalpretreatmentisconsideredasapromisingmethodtoducedinChina(ChinaStatisticalYearbook,2010).Morethan60%improveMBWpropertiesbecauseofthesolubilizationofparticu-ofthisamountisorganicmatterclassi?edasmunicipalbiomasslateorganicsandpromotionofbiogasprod
