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Industrial ecology—The need to rethink the materials cycle: Some problems, solutions, and opportunities in the materials field

Published online by Cambridge University Press:  03 March 2011

Julian Szekely
Affiliation:
Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
Gerardo Trapaga
Affiliation:
Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
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Abstract

The main thrust of this paper is to define the concept of industrial ecology and to discuss how its principles may be utilized to reconsider the materials cycle. Simply put, ecological principles imply that we minimize waste during manufacture and ensure that the products are recycled at the end of their useful life. Such a rethought materials cycle has to stress waste minimization and, at the same time, track energy flows and cost considerations simultaneously with the movement of the materials streams. In this paper, special attention is paid to recycling issues in metals production, municipal waste, and also to recycling issues pertaining to electronic materials. Comments are made on the driving forces and the barriers to industrial ecology, including economics, regulation, management and education, and on the international aspects of industrial ecology.

Type
Articles
Copyright
Copyright © Materials Research Society 1995

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