유기물자원화 (Journal of the Korea Organic Resources Recycling Association)

  • 제23권4호
  • /
  • Pages.40-51
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  • 2015
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  • 1225-6498(pISSN)
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  • 2508-3015(eISSN)
유기성자원학회 (Korea Organic Resources Recycling Association)
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국내 폐기물매립지 온실가스 감축을 위한 호기성 안정화 공법의 적용 가능성

Possibility of aerobic stabilization technology for reducing greenhouse gas emissions from landfills in Korea

  • 반종기 (안양대학교 환경에너지공학과) ;
  • 박진규 ((주)에코윌플러스) ;
  • 김경 (안양대학교 환경에너지공학과) ;
  • 윤석표 (세명대학교 바이오환경공학과) ;
  • 이남훈 (안양대학교 환경에너지공학과)
  • Ban, Jong-Ki (Department of Environmental and Energy Engineering, Anyang University) ;
  • Park, Jin-Kyu (Ecowillplus Co, Ltd.) ;
  • Kim, Kyung (Department of Environmental and Energy Engineering, Anyang University) ;
  • Yoon, Seok-Pyo (Department of Biological and Environmental Engineering, Semyung University) ;
  • Lee, Nam-Hoon (Department of Environmental and Energy Engineering, Anyang University)
  • 투고 : 2015.11.03
  • 심사 : 2015.11.23
  • 발행 : 2015.12.30
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초록

본 연구에서는 국내 폐기물매립지에서 배출되는 온실가스를 저감하기 위한 호기성 안정화 기술의 적용 가능성을 평가하였다. 대상매립지는 국내 Y 매립지로 LandGEM 모델을 이용하여 메탄 배출량을 산정하였으며, 온실가스 저감량($CO_2eq$)은 혐기성 조건(베이스라인)과 호기성 조건에서의 배출량을 비교하여 산정하였다. 호기성 조건에서의 온실가스 저감은 폐기물매립지 내부로 공기를 주입 시 혐기성에서 호기성으로 전환되면서 부산물로 메탄대신 이산화탄소가 발생되기 때문이다. 평가결과 호기성 안정화 기술은 기존 혐기성 대비 86.6%의 온실가스를 감축하는 것으로 나타났으며, 이는 조기안정화를 통한 주변 환경오염 저감과 동시에 온실가스를 대폭 저감시킬 수 있는 것을 의미한다. 따라서 호기성 안정화 기술은 지속가능한 매립관점에서 보았을 때 국내 폐기물매립지에 적용할 수 있는 가장 적합한 기술 중 하나로 판단된다.

This study is to estimate the viability of aerobic stabilization technology for reducing greenhouse gas (GHG) emissions from landfills in Korea. In this study, methane emissions were estimated by applying Landfill gas estimation model (LandGEM) to Y landfill in Korea. By comparison of an anaerobic condition (baseline) and an aerobic condition, the amount of $CO_2eq$ savings was calculated. The $CO_2eq$ savings take place inside the landfilled waste during aeration due to the conversion of previously anaerobic biodegradation to aerobic processes, releasing mainly $CO_2$. It was demonstrated that 86.6% of the total GHG emissions occurring under anaerobic conditions could be reduced by aerobic stabilization technology. This means the aerobic stabilization technology could reduce environmental contamination through early stabilization and GHG emissions considerably at the same time. Therefore, the aerobic stabilization technology is one of the optimal technologies that could be employed to domestic landfill sites to achieve sustainable landfill.

키워드

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피인용 문헌

  1. Review on Impact of Landfill Levy of the Framework Act on Resource Circulation on Landfill Management in Korea vol.35, pp.4, 2018, https://doi.org/10.9786/kswm.2018.35.4.287