Environmental impacts of conventional plastic and bio-based carrier bags |
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| Authors: | Hsien Hui Khoo Reginald B H Tan |
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| Institution: | (1) Institute of Chemical and Engineering Sciences (ICES), 1 Pesek Road, Jurong Island, Singapore, 627833;(2) Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive, Singapore, Singapore, 117576 |
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| Abstract: | Background, aim, and scope Worldwide, the production of biodegradable and compostable plastics has steadily grown. In Part 1 (Khoo et al. 2010), life cycle assessment (LCA) was applied to compare the production stages of a bio-based bag (made from polyhydroxyalkanoate
or bio-plastic (PHA)) with polyethylene plastic bag. The scope of the study is within the context of Singapore and does not
include other types of conventional or bio-based polymers (e.g., polylactic acid (PLA), thermoplastics, high-density polyethylene
(HDPE), EPS, etc). This article (part 2) proposes to investigate the end-of-life options of both bags. |
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