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1、！此文件仅提供期刊论文最终样本，稿件请用大号字体和双倍行距打印，以便批注审阅意见！城市生活垃圾焚烧灰渣的资源化利用章骅*何品晶*摘要近年来，城市化发展的需要使得我国不少城市开始或计划兴建大型生活垃圾焚烧厂。但是由于目前投产的城市生活垃圾焚烧厂很少，因此国内有关焚烧灰渣资源化利用的研究和工程实例不多。本文以国外城市生活垃圾焚烧灰渣资源化利用现状为基础，讨论了灰渣利用的主要途径：①石油沥青路面的替代骨料；②水泥/混凝土的替代骨料；③填埋场覆盖材料；④路堤、路基等的填充材料。已有的工程实践证明，只要控制处理得当，这些灰渣资源化利用可以不对人类健康
2、和环境产生不利的影响。此外，本文也对灰渣资源化利用在环境标准和工程性质要求方面的规定及其采取的处理方法作了简单的介绍。本文提出，底灰经预处理后资源化利用，而飞灰经稳定化处理后填埋，是今后比较适合我国国情的灰渣管理策略。关键词城市生活垃圾焚烧灰渣底灰飞灰资源化利用BeneficialUsesofMunicipalWasteCombustionAshZhanghua*,HePinjing*.InstituteofSolidWastesTreatment&Reclamation,SchoolofEnvironmentalScience&Engin
3、eering,TongjiUniversity,200092ShanghaiAbstractIncinerationisaneffectivewayforabigcitytodisposeofitssubstantialmunicipalsolidwaste.Andmorethan20%ofthewaste(byweight)willretainincombustionash,thusproducingagreatamountofash.Howtodealwiththeashisofgreatconcernnowintheworld.InC
4、hina,withthedevelopingofurbanizationandrapidincreasingofmunicipalsolidwaste,manycitiesnowareconstructingorplanningtoconstructlarge-scalemunicipalsolidwasteincinerators.However,duetolackingofstate-of-the-artincineratorinChina,researchesordemonstrationprojectsoncombustionash
5、(includingqualityanalysis,treatment,beneficialuseanddisposal)areabsentsofar.Asaresult,studiesontheash,whichwillbeproducedinthecomingyears,shouldbecarriedout.Basedonthestatusquoofbeneficialuseofmunicipalwastecombustionashinsomecountries,themajorashusesarediscussedinthepaper
6、,includingaggregatesubstituteofasphaltpavementandconcrete,landfillcoveraswellasfillmaterialsofroadbaseandembankment.Existingdemonstrationprojectsandexperimentshaveshowedthat,aslongasbeenwellcontrolled,applicationsofbeneficialuseofbottomashwillnotposeunacceptablehazardtohum
7、anhealthandenvironments.Engineeringandenvironmentalrequirementsforashutilizationarealsoanalyzed.Amanagementstrategy(beneficialuseofbottomashafterpretreatmentandlandfillofflyashaftertreatment)isproposedtosolveashproblemsthatwilloccurinthenearfutureinChina.KeywordsMunicipals
8、olidwasteMunicipalwastecombustionashBottomashFlyashBeneficialuse5！此文件仅提供期刊论文最终样本，稿件请用大号字体
