Evaluation of the effect of automotive bumper recycling by life-cycle inventory analysis |
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Authors: | Minoru Makuta Yuichi Moriguchi Yasoi Yasuda Shigeho Sueno |
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Institution: | (1) Honda R&D Co., Ltd., Tochigi R&D Center, 4630 Shimotakanezawa Haga-machi, Haga-gun, Tochigi 321-3393, Japan, JP;(2) National Institute for Environmental Studies, Tsukuba, Ibaraki, Japan, JP;(3) University of Tsukuba, Tsukuba Ibaraki, Japan, JP |
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Abstract: | This paper describes a case study of the application of life-cycle inventory analysis to automotive bumper recycling. Two
scenarios of bumper recycling are compared. One is “bumper-to-bumper recycling,” in which we recycle bumpers into more bumpers.
The other is “cascade recycling,” in which bumpers are recycled into different parts of a car with a lower function. Inventory
analysis is applied to both these recycling scenarios by analyzing the stages of acquiring natural resources, manufacturing
materials, and parts, disposal, and recycling. We chose air emission, solid waste, and fossil fuel resources as items of the
inventory analysis. We quantified the effect of reductions in the environmental load by recycling bumpers, and found that
reductions in the environmental load were larger with cascade recycling than with bumper-to-bumper recycling based on current
conditions.
Received: February 2, 2000 / Accepted: April 21, 2000 |
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Keywords: | Automotive bumper Recycle LCI Cascade Waste |
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