Life Cycle Assessments of Long-term and Short-term Environmental Impacts for the Incineration of Spent Li-ion Batteries (LIBs)

전과정평가를 이용한 폐리튬이온전지의 소각에 대한 장/단기 환경영향 평가

  • Jeong, Soo-Jeong (Sustainability Division, Eco-Frontier Co.) ;
  • Lee, Ji-yong (Eco-product & System Laboratory, Dept. of Chemical and Biological Engineering, Konkuk University) ;
  • Sohn, Jeong-soo (Minerals & Materials Processing Division, Korea Institute of Geoscience & Mineral Resources) ;
  • Hur, Tak (Eco-product & System Laboratory, Dept. of Chemical and Biological Engineering, Konkuk University)
  • 정수정 (에코프론티어, 서스테이너빌리티사업부) ;
  • 이지용 (건국대학교 화학생물공학부, 친환경 제품 및시스템 연구실) ;
  • 손정수 (한국지질자원연구원 자원활용소재연구부) ;
  • 허탁 (건국대학교 화학생물공학부, 친환경 제품 및시스템 연구실)
  • Received : 2005.12.12
  • Accepted : 2006.03.21
  • Published : 2006.04.10

Abstract

A Life Cycle Assessment (LCA) study was carried out to identify and improve the environmental aspects associated with the present incineration system of spent Li-ion batteries (LIBs) in Korea. The environmental impact associated with the landfill of the incineration ash was also assessed in this study, while so far it was excluded in most studies. It was found out that the $CO_{2}$ emission from the electricity generation as well as the incineration process and heavy metals emissions to air and water accounted for about 90% of total environmental impacts. In particular, the effect of the emission of heavy metals were dominant. In oder to improve the current incineration system environmentally, it is needed to incinerate the wastes like spent LIBs which contained relatively high portion of heavy metals separately from other combustible wastes. On the other hand, the effect of the landfill of ash after incineration was insignificant since the ash from the incineration process was chemically stable.

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