| Eco-efficiency for greenhouse gas emissions mitigation of municipal solid waste management: A case study of Tianjin, China. | |
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MedLine Citation:
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PMID: 21316937 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The issue of municipal solid waste (MSW) management has been highlighted in China due to the continually increasing MSW volumes being generated and the limited capacity of waste treatment facilities. This article presents a quantitative eco-efficiency (E/E) analysis on MSW management in terms of greenhouse gas (GHG) mitigation. A methodology for E/E analysis has been proposed, with an emphasis on the consistent integration of life cycle assessment (LCA) and life cycle costing (LCC). The environmental and economic impacts derived from LCA and LCC have been normalized and defined as a quantitative E/E indicator. The proposed method was applied in a case study of Tianjin, China. The study assessed the current MSW management system, as well as a set of alternative scenarios, to investigate trade-offs between economy and GHG emissions mitigation. Additionally, contribution analysis was conducted on both LCA and LCC to identify key issues driving environmental and economic impacts. The results show that the current Tianjin's MSW management system emits the highest GHG and costs the least, whereas the situation reverses in the integrated scenario. The key issues identified by the contribution analysis show no linear relationship between the global warming impact and the cost impact in MSW management system. The landfill gas utilization scenario is indicated as a potential optimum scenario by the proposed E/E analysis, given the characteristics of MSW, technology levels, and chosen methodologies. The E/E analysis provides an attractive direction towards sustainable waste management, though some questions with respect to uncertainty need to be discussed further. |
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Authors:
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Wei Zhao; Gjalt Huppes; Ester van der Voet |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-2-11 |
Journal Detail:
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Title: Waste management (New York, N.Y.) Volume: - ISSN: 1879-2456 ISO Abbreviation: - Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-2-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9884362 Medline TA: Waste Manag Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ltd. All rights reserved. |
Affiliation:
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College of Civil Engineering & Architecture, Liaoning University of Technology, 121000 Jinzhou, China; Institute of Environmental Sciences (CML), Leiden University, P.O. Box 9518, 2300RA Leiden, The Netherlands. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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