대한환경공학회지 (Journal of Korean Society of Environmental Engineers)

  • 제35권7호
  • /
  • Pages.464-471
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  • 2013
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  • 1225-5025(pISSN)
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  • 2383-7810(eISSN)
대한환경공학회 (Korean Society of Environmental Engineers)
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LCA기법을 활용한 태양광 시스템의 자원효율성 및 자원요구량 예측

Estimation of Resource Efficiency and Its Demand for Photovoltaic Systems Using the Life Cycle Assessment (LCA) Method

  • 임지호 (인하대학교 환경공학과) ;
  • 황용우 (인하대학교 환경공학과) ;
  • 김준범 (트루아공대 환경 및 지속가능센터) ;
  • 문진영 (인하대학교 환경공학과)
  • Lim, Ji-Ho (Department of Environmental Engineering, Inha University) ;
  • Hwang, Yong-Woo (Department of Environmental Engineering, Inha University) ;
  • Kim, Jun-Beum (CREIDD Research Centre on Environmental Studies & Sustainability, University of Technology of Troyes) ;
  • Moon, Jin-Young (Department of Environmental Engineering, Inha University)
  • 투고 : 2013.01.07
  • 심사 : 2013.06.21
  • 발행 : 2013.07.30
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초록

본 연구에서는 LCA 기법으로 태양광 시스템 생산 시 소비되는 원료, 부원료, 에너지 등의 물질수지 자료를 분석하여 금속자원의 자원효율성 산정 및 필요금속자원량을 예측하였다. 태양광 시스템 생산 시 투입되는 금속자원의 자원효율성 분석결과 철 비철금속은 4가지 기술(SC-Si, MC-Si, CI(G)S, CdTe)에 대해 동일하게 납, 주석 순으로, 희유금속은 결정질 실리콘 시스템의 경우 갈륨, 레늄 순으로, 박막형 시스템의 경우 레늄, 로듐 순으로, 희토류는 4가지 기술에 대해 동일하게 가돌리늄, 사마리움 순으로 자원효율성이 높은 것으로 나타났다. 2030년까지 우리나라의 태양광 시스템의 증설에 필요한 금속자원량을 예측한 결과 자원순환에 의한 자체 수급량을 제외하고 알루미늄 2,545,670 ton, 구리 22,044 ton, 니켈 31 ton, 주석 1,695 ton 및 아연 92,069 ton이 필요한 것으로 나타났다.

In this study, the resource efficiency and future metal resource requirement in photovoltaic (PV) production system were evaluated by using material balance data and life cycle assesment (LCA) method. As a result, in the resource efficiency of ferrous and non-ferrous metal, lead and tin had higher resource efficiency than other materials in all PV systems (SC-Si, MC-Si, CI(G)S, CdTe). In the resource efficiency of rare metals, gallium and rhenium in silicon system and rhenium and rhodium in thin-film system ranked as the first and second high resource efficiency. In case of rare earth metal, gadolinium and samarium took higher resource efficiency. The results of the future metal resource requirement in PV systems showed that 2,545,670 ton of aluminium, 92,069 ton of zinc, 22,044 ton of copper, 1,695 ton of tin and 31 ton of nickel will be needed by 2030 in South Korea, except resource recycling supplement.

키워드

참고문헌

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