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D시 생활폐기물 관리 방법과 온실가스 배출량과 감축량 산정 연구 KCI 등재

A Study of Estimation of Greenhouse Gas Emission and Reduction by Municipal Solid Waste (MSW) Management

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한국폐기물자원순환학회지 (Journal of Korea Society of Waste Management)
한국폐기물자원순환학회 (Korea Society Of Waste Management)
초록

Over the past two decades, the options for solid waste management have been changing from land disposal to recycling, waste-to-energy, and incineration due to growing attention for resource and energy recovery. In addition, the reduction of greenhouse gas (GHG) emission has become an issue of concern in the waste sector because such gases often released into the atmosphere during the waste management processes (e.g., biodegradation in landfills and combustion by incineration) can contribute to climate change. In this study, the emission and reduction rates of GHGs by the municipal solid waste (MSW) management options in D city have been studied for the years 1996-2016. The emissions and reduction rates were calculated according to the Intergovernmental Panel on Climate Change guidelines and the EU Prognos method, respectively. A dramatic decrease in the waste landfilled was observed between 1996 and 2004, after which its amount has been relatively constant. Waste recycling and incineration have been increased over the decades, leading to a peak in the GHG emissions from landfills of approximately 63,323 tCO2 eq/yr in 2005, while the lowest value of 35,962 tCO2 eq/ yr was observed in 2016. In 2016, the estimated emission rate of GHGs from incineration was 59,199 tCO2 eq/yr. The reduction rate by material recycling was the highest (-164,487 tCO2 eq/yr) in 2016, followed by the rates by heat recovery with incineration (-59,242 tCO2 eq/yr) and landfill gas recovery (-23,922 tCO2 eq/yr). Moreover, the cumulative GHG reduction rate between 1996 and 2016 was -3.46 MtCO2 eq, implying a very positive impact on future CO2 reduction achieved by waste recycling as well as heat recovery of incineration and landfill gas recovery. This study clearly demonstrates that improved MSW management systems are positive for GHGs reduction and energy savings. These results could help the waste management decision-makers supporting the MSW recycling and energy recovery policies as well as the climate change mitigation efforts at local government level.

목차
Abstract
 I. 서 론
 II. 연구방법
  1. 자료 수집 방법
  2. 폐기물 부문 온실가스 배출량 산정 방법
  3. 생활폐기물 분야 온실가스 감축량 산정 방법
 III. 연구 결과 및 고찰
  1. D시 생활폐기물 발생 및 처리 변화
  2. D시 생활폐기물 처리에 따른 온실가스 배출량 산정결과
  3. D시 생활폐기물 분야 온실가스 감축량 산정 결과
  4. D시 생활폐기물 분야 온실가스 순배출량(netgreenhouse emission) 산정결과
 IV. 결 론
 References
저자
  • 윤현명(충남대학교 환경공학과) | Hyunmyeong Yun (Department of Environmental Engineering, Chungnam National University)
  • 장 윤(충남대학교 환경공학과) | Yun Chang (Department of Environmental Engineering, Chungnam National University)
  • 장용철(충남대학교 환경공학과) | Yong-Chul Jang (Department of Environmental Engineering, Chungnam National University) Corresponding author