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Is Economic value an Effective Proxy for Embodied Energy and Environmental Impact in Material Systems?

Author(s)
Gregory, Jeremy; Fredholm, Susan A.; Kirchain, Randolph E., Jr.
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Abstract
This paper uses economic value metrics to evaluate the retention of value of secondary materials and provides a framework for characterizing value throughout a material and product life-cycle. These economic value metrics are compared with analogous life cycle assessment metrics in order to determine the conditions under which economic value effectively represents environmental impact for EoL material recovery decision-makers. A comparison of these metrics using several different material types indicates that there is a strong correlation between LCA metrics and economic value metrics for most of the materials studied. However, there were a few cases in which the economic value metrics were poor indicators of the LCA metrics.
Date issued
2009-07
URI
http://hdl.handle.net/1721.1/59349
Department
Massachusetts Institute of Technology. Department of Materials Science and Engineering; Massachusetts Institute of Technology. Engineering Systems Division; Massachusetts Institute of Technology. Materials Systems Laboratory; MIT Energy Initiative
Journal
IEEE International Symposium on Sustainable Systems and Technology, 2009. ISSST '09
Publisher
Institute of Electrical and Electronics Engineers
Citation
Gregory, J., S. Fredholm, and R. Kirchain. “Is economic value an effective proxy for embodied energy and environmental impact in material systems?.” Sustainable Systems and Technology, 2009. ISSST '09. IEEE International Symposium on. 2009. 1-5. ©2009 Institute of Electrical and Electronics Engineers.
Version: Final published version
Other identifiers
INSPEC Accession Number: 10749801
ISBN
978-1-4244-4324-6
Keywords
recycling, Life cycle assessment, metrics, economic value

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