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Comparison of four methods for integrating environmental and economic aspects in the end-of-life stage of a washing machine

TitleComparison of four methods for integrating environmental and economic aspects in the end-of-life stage of a washing machine
Publication TypeJournal Article
Year of Publication2006
AuthorsPark P-J, Tahara K, Jeong I-T, Lee K-M
Journal TitleResources, Conservation & Recycling
VolumeOnline-fir
Pagesxxx-xxx
KeywordsComparative evaluation, eco-efficiency, Monetary method, Multi-attribute decision-making, Two-dimensional diagram, Washing machine
AbstractThe objective of this studywas to carry out comparative evaluation of four decision-making methodsthat involves consideration of both environmental and economic aspects in the end-of-life stage of awashing machine, and to suggest priorities for recycling and ecodesign of the washing machine.The four methods chosen were: two-dimensional diagram, eco-efficiency, monetary method andmulti-attribute decision-making (MADM). A life cycle assessment (LCA) was used to quantify theenvironmental aspects of components in a defined product system, and sales prices as well as costsassociated with the disposal of the components were considered for the evaluation of their economicaspects. The two-dimensional diagram, the monetary method and the MADM all showed similarresults. However, the results of the eco-efficiency method were quite different. When making decisionsthat consider both environmental and economic aspects of a component in its end-of-life stage,it is recommended to use all these four methods concurrently because all four methods have their ownpros and cons. By applying several methods simultaneously, decision makers are in a better positionto make decisions about choosing components that are environmentally friendly and economicallyefficient.
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