폐플라스틱의 처리·재자원화 최신동향
Review of Recycling of the Plastic Waste
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초록
최근 대규모로 발생되는 플라스틱 폐기물은 사회적, 환경적 처리비용의 증가를 야기하고 있으며, 아울러 폐플라스틱의 재활용과재이용을 위한 혁신적인 기술개발에 많은 관심을 집중시키고 있다. 플라스틱고형폐기물(PSW)의 처리방법은 재이용(1차), 물질 재활용(2차), 화학적 재활용(3차) 그리고 열에너지회수(4차)의 4단계로 분류 될 수 있다. 본 연구에서는 PSW의 처리 및 재자원화를 위한 다양한 분리, 선별 및 재활용 기술들에 대해 조사·분석하고, 현시점에서 경제적이고 친환경적인 PSW 처리 방안에 대해 제언하고자 하였다.
Abstract
Large scale generation of plastic waste has generated considerable interest it seeking innovative solutions to waste recyclingand reuse. Plastic solid waste(PSW) treatment and recycling processes could be allocated to four major categories, reextrusion(primary), mechanical recycling(secondary), chemical recycling(tertiary) and energy recovery(quaternary). This reviewconsiders the various aspects of the PSW recycling such as recycling methods of PSW, special problems about someproposed process, separation techniques, and recycling of mixed PSW.
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