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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 12    No. 3    June 2002

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Life cycle analysis of sanitary landfill and
 incineration of municipal solid waste
NI Jin-ren(倪晋仁), WEI Hong-lian(韦洪莲),
LIU Yang-sheng(刘阳生), ZHAO Zhi-jie(赵智杰)

Center for Environmental Sciences, The Key Laboratory for
Water and Sediment Sciences, Ministry of Education,
Peking University, Beijing 100871, China

Abstract:Environmental consequences from sanitary landfill as well as incineration with power generation were compared in terms of life cycle analysis (LCA) for Laohukeng Wastedisposal Plant that is under consideration in Shenzhen. A variety of differences will be resulted from the two technologies, from which the primary issue that affects the conclusion is if the compensatory phase in power generation can be properly considered in the boundary definition of LCA. Upon the compensatory phase is taken into account in the landfill system, the negative environmental consequences from the landfill will be more significant than those from the incineration with power generation, although the reversed results can be obtained as the compensatory phase is neglected. In addition, mitigation of environmental impacts through the pollutant treatment in the incineration process will be more effective than in the landfill process.

 

Key words: sanitary landfill; incineration; life cycle; compensatory phase

ISSN 1672-7029
CN 43-1423/U

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