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1、Resources,ConservationandRecycling55(2011)995–1004ContentslistsavailableatScienceDirectResources,ConservationandRecyclingjournalhomepage:www.elsevier.com/locate/resconrecFulllengtharticleEnvironmentalassessmentofdifferentmanagementoptionsforindividualwastefractionsbymeansoflife-c
2、ycleassessmentmodellingSimone∗Manfredi,DavideTonini,ThomasH.ChristensenDepartmentofEnvironmentalEngineering,TechnicalUniversityofDenmark,DTU-Building115,DK-2800Kgs.Lyngby,DenmarkarticleinfoabstractArticlehistory:Severalalternativesexistforhandlingofindividualwastefractions,includ
3、ingrecycling,incinerationandReceived4May2009landfilling.Fromanenvironmentalpointofview,thelatteriscommonlyconsideredastheleastdesirableReceivedinrevisedform3February2011option.Manystudiesbasedonlife-cycleassessment(LCA)highlighttheenvironmentalbenefitsofferedAccepted6May2011byincin
4、erationandespeciallybyrecycling.However,thelandfillingoptionisoftenapproachedunjustlyinKeywords:thesestudies,maybedisregardingtheremarkabletechnologicalimprovementsthatlandfillshaveundergoneinthelastdecadesinmanypartsoftheworld.IndividualwastefractionsThisLandfillingstudy,bymeansofL
5、CA-modelling,aimsatcomparingtheenvironmentalperformanceofthreemajormanagementoptions(landfilling,recyclingandincinerationorcomposting)foranumberofindi-RecyclingvidualIncinerationwastefractions.Thelandfillingoptionishereapproachedcomprehensively,accountingforallCompostingtechnicalan
6、denvironmentalfactorsinvolved,includingenergygenerationfromlandfillgasandstorageofbiogeniccarbon.LeachateandgasemissionsassociatedtoeachindividualwastefractionhavebeenLife-cycleimpactassessmentEnergyrecoveryestimatedbymeansofamathematicalmodelling.Thisapproachtowardslandfillingemis
7、sionsallowsforEnvironmentalperformanceamoreprecisequantificationofthelandfillimpactswhencomparingmanagementoptionsforselectedwastefractions.Resultsfromthelife-cycleimpactassessment(LCIA)showthattheenvironmentalperformanceesti-matedforlandfillingwithenergyrecoveryofthefractions“organ
8、ics”and“recyclablepaper”iscomparablewith
