Evaluation of material recycling for plastics: environmental aspects |
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Authors: | Reiji Noda Masanori Komatsu Eriko Sumi Tadao Kasakura |
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Affiliation: | (1) Ecological Engineering, Toyohashi University of Technology, 1-1 Hibarigaoka, Tenpaku-cho, Toyohashi 441-8580, Japan Tel. +81-532-44-6915; Fax +81-532-44-6929 e-mail: nodar@cc.tuat.ac.jp, JP |
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Abstract: | “Zero emissions” is a concept envisaging the creation of a sustainable society with minimal disposal of resources. In order to realize zero emissions for plastics, it is important to establish a method for quantitatively evaluating candidate recycling processes. In this study, the principle of the substitution factor (SF) is introduced. A quantitative evaluation of the recycling process for plastics was then carried out. The production process for monofilament plastics was examined. The recycling of plastics discarded during the production process could be substituted in small amounts for virgin materials, giving reduced CO2 emissions. Furthermore, production using recycled material mixed with virgin material was more effective in reducing CO2 emissions than when recycled materials only were used. Received: November 19, 1999 / Accepted: November 28, 2000 |
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Keywords: | Substitution factor (SF) Zero-emissions LC– CO2 Recycling Plastics |
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