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자료유형
학술저널
저자정보
임진홍 (한국환경공단) 장용철 (충남대학교)
저널정보
한국폐기물자원순환학회 한국폐기물자원순환학회지 한국폐기물자원순환학회지 제38권 제4호
발행연도
2021.8
수록면
294 - 302 (9page)
DOI
https://doi.org/10.9786/kswm.2021.38.4.294

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초록· 키워드

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Plastic wastes are majorly packaging plastic materials composed of polyethylene terephthalate (PET). The improper disposal of PET bottles can cause severe environmental problems, such as environmental plastic pollution, greenhouse gas emission, resource depletion, and marine plastic pollution. Owing to the steady increase in the consumption of PET bottles, it is important to improve the recycling rates and quality of recycled PET products. This study analyzed the material flow of PET bottles in Korea in 2018 to develop an appropriate management policy for recycling PET bottles. In addition, the content of greenhouse gases reduced via the recycling of PET bottles was quantified using US EPA waste reduction model (WARM). The results revealed that approximately 301,000 tons of PET bottles were sold and discharged as plastic waste in 2018. In addition, approximately 236,000 tons of waste PET bottles were recycled. Consequently, about 240,000 tons of CO 2 eq was reduced in 2018 and 1,768 thousand tons of CO 2 eq was reduced from 2010 to 2018. This study aimed to highlight the potential benefits of recycling PET bottles by providing the content of reduced greenhouse gas and recycled materials. The quantitative analysis of the material flow revealed that it is essential to perform high-quality recycling of PET bottles (e.g., bottle-to-bottle and long-fiber uses) in contrast to low-grade recycling to achieve a circular economy.

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