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학술저널
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한국폐기물자원순환학회 한국폐기물자원순환학회지 한국폐기물자원순환학회지 제30권 제2호
발행연도
2013.1
수록면
136 - 143 (8page)

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This paper presents the actual recycling rates and recycling processes of waste plastic recycling facilities using material flow analysis. Determination of actual recycling rates through the processes of waste plastics is a very important subject not only from the point of plastic recycling efficiency energy conversion but also from the perspective of the recycling technology level. In this study, the recycling processes and recycling rates of waste plastic recycling facilities were evaluated by the MFA analysis based on 14 site visits and 25 questionnaires. The MFA methodology based on mass balance approach applied to identify the inputs and outputs of recyclable plastic materials in the recycling processes at recycling facilities. It is necessary to determine the composition and flows of the input materials to be recycled in a recycling facility. A complete understanding of the waste flows in the processes along with the site visit and data surveys for the recycling facilities was required to develop a material flow for the processes and determine the actual recycling rate. The results show that the average actual recycling rates for the recycling facilities by the site visit and the questionnaire was found to be approximately 87.5 ± 7.1% and 84.3 ± 14.5%, respectively. The recycling rates depended upon several factors including the quality of incoming waste plastics, the type and operating conditions of recycling processes, and the type of final products. According to the national statistics, the recycling rate of waste plastics was about 53.7%, while the actual recycling rate at national level was estimated to be approximately 45.1% by considering the recycling performance evaluated as well as the type of recycling process applied. The results of MFA for the recycling processes served as a tool to evaluate the performance of recycling efficiency with regard to the composition of the products during recycling. They may also support the development of the strategy of improvement of recycling processes to maximize resource recovery out of the waste plastic materials.
#Waste plastic #Recycling #Recycling rate #Material flow analysis #Actual recycling rate

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참고문헌 (19)

참고문헌 신청
Mulder, K / 2001 / PVC plastic: a history of systems development and entrenchment / Technology in Society 23:265~286 google schola Shent, H. / 1999 / A review of plastics waste recycling and the flotation of plastics / Resources, Conservation and Recycling 25:85~109 google schola Themelis, N. J. / 2010 / Current state and potential for increasing plastics recycling in the U.S / Columbia University google schola Korea Plastic Recycling Association / 2010 / Guideline for standards of recycling facility by recycling material and method google schola European Commission / 1999 / Chemical recycling of plastics waste google schola

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