Journal of the Korean Society of Hazard Mitigation (한국방재학회 논문집)

Korean Society of Hazard Mitigation (한국방재학회)
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A Study on a Carbon emission and Reduction Plan for the Construction Phase of a Natural Gas Plant

천연가스 플랜트 건설단계의 탄소배출량 산정 및 저감방안

  • Choi, Dae Young (Dept. of Civil Engineering, Seoul National University of Science & Technology) ;
  • Kim, Sung-Keun (Dept. of Civil Engineering, Seoul National University of Science & Technology)
  • 최대영 (서울과학기술대학교 산업대학원) ;
  • 김성근 (서울과학기술대학교 건설시스템공학과)
  • Received : 2013.07.23
  • Accepted : 2013.08.05
  • Published : 2013.08.31
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Abstract

The estimation of carbon emission from a natural gas plant is performed with the recently ordered project of the plant in South Korea. The carbon emission coefficients suggested in the guideline by the Ministry of Land, Transport and Maritime Affairs in 2011, are used to calculate the carbon emission from all construction materials and the fuel consumption of construction machinery in the construction phase. To present a method for reducing the carbon emission, it is assumed that some portion of construction materials is replaced by industrial byproducts and construction waste recycling materials, and the amount of carbon reduction for the natural gas plant is analyzed. Also, the amount of carbon emission for producing recycled aggregate is analyzed through the data collected from 3 recycling companies. For the given natural plant, it is found that the major elements that generate most $CO_2$ are construction materials and pipelines. And the recycling of industrial byproducts and construction waste recycling materials reduces carbon emission by 11%.

최근에 발주된 국내의 천연가스 플랜트 사례를 중심으로 설계도서를 분석하여 천연가스 플랜트 프로젝트에서의 탄소발생량을 추정하였다. 2011년 국토해양부에서 발표한 시설물별 탄소배출량 산정가이드라인에서 제시한 탄소배출계수를 적용하였으며, 시공단계에서 발생하는 총 자재와 투입된 건설장비의 유류사용량을 건설표준품셈에 근거하여 탄소배출량을 산정하였다. 탄소배출량을 저감할 수 있는 방법을 제시하고자 산업부산물과 건설폐기물 재활용자재를 원자재에 대해 대체, 분석을 실시하여 탄소배출의 저감을 확인하였다. 산업부산물과 건설폐기물 재활용자재를 원자재에 대하여 대체 하였을 경우에 절감된 탄소배출량을 산출하기 위하여 3개 업체를 대상으로 순환골재 1 ton 생산시 발생되는 탄소배출량도 조사를 하였다. 대상 플랜트 프로젝트의 경우에는 주요자재와 파이프라인에 의하여 대부분의 $CO_2$를 배출하고 있었으며, 산업부산물과 건설폐기물을 재활용하였을 경우에 탄소배출량이 11% 감축되었다.

Keywords

Acknowledgement

Supported by : 서울과학기술대학교

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