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Received May 9, 2006
Accepted June 15, 2006
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발효에 의한 에탄올 생산공정의 전 과정 평가
Life Cycle Assessment of Ethanol Production Process Based on Fermentation
서울시립대학교 화학공학과, 130-743 서울시 동대문구 전농동 90 1건국대학교 화학공학과, 143-701 서울시 광진구 화양동 1 2연세대학교 화학공학과, 120-749 서울시 서대문구 신촌동 134 3한양대학교 화학공학과, 133-791 서울시 성동구 행당동 17
Department of Chemical Engineering, University of Seoul, 90, Cheonnong-dong, Dongdaemun-gu, Seoul 130-743, Korea 1Department of Chemical Engineering, Konkuk University, 1, Hwayang-dong, Gwangjin-gu, Seoul 143-701, Korea 2Department of Chemical Engineering, Yonsei University, 134, Sinchon-dong, Seodaemun-gu, Seoul 120-749, Korea 3Department of Chemical Engineering, Hanyang University, 17, Haengdang-dong, Seongdong-gu, Seoul 133-791, Korea
Korean Chemical Engineering Research, June 2006, 44(3), 319-322(4), NONE Epub 19 July 2006
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Abstract
이 논문에서는 전 과정 평가 기법을 이용하여 발효에 의한 에탄올 생산공정의 환경적 가치를 평가하였다. 평가의 목적은 촉매반응에 의한 에탄올 생산공정의 환경성을 비교, 평가하기 위한 기준으로서 발효공정의 환경적 가치를 정량화하는데 있었다. 두 공정에서 생산되는 에탄올의 소비 및 폐기 과정은 동일하다고 가정하고 원료물질의 획득으로부터 제품의 생산 과정에 대한 전 과정 평가를 실시하였다. 전 과정 목록분석과 영향평가의 결과, 원료의 전처리 단계인 전분의 제조 과정에서 가장 큰 환경부하가 발생하며 그 영향은 주로 산성화 및 온실가스효과로 나타남을 알 수 있었다.
In this paper, the methodology of life-cycle assessment was applied to an ethanol production process based on fermentation. The purpose of the assessment was to quantify environmental performance of the process and to prepare a basis for environmental comparisons with the ethanol production process based on catalytic reaction. The assessment was carried only on the stages of raw material acquisition through ethanol manufacture since it was assumed that ethanol from both processes had the same environmental impacts through its use and discard. The assessment results showed that the major environmental impact came from the sub-process of producing starch from corn and the most severe burden was generated in the form of acidification and greenhouse effect.
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Kinoshita C, Zhou J, Site Evaluation for Biomass - Ethanol Production in Hawaii, University of Hawaii (1999)
McAloon A, Taylor F, Yee W, Ibsen K, Wooley R, Determining the Cost of Producing Ethanol from Corn Starch and Ligno Cellulosic Feed Stocks, TP-580-28893, National Renewable Energy Laboratory (2000)
Sheehan J, Camobreco V, Duffield J, Graboski M, Shapouri H, An Overview of Biodiesel and Petroleum Diesel Life Cycles, TP-580-24772, National Renewable Energy Laboratory (1998)
Hwang I, Chung Y, Theor. Appl. Chem. Eng., 6(2), 2993 (2000)
Vigon BW, Tolle DA, Cornaby BW, Latham HC, Harrison CL, Boguski TL, Hunt RG, Sellers JD, Life Cycle Assessment: Inventory Guidelines and Principles, EPA/600/R-92/245, U. S. EPA Office of Research and Development, Washington, D. C. (1993)
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Wang M, Saricks C, Wu M, Fuel Cycle Fossil Energy Use and Greenhouse Gas Emissions of Fuel Ethanol Produced from U. S. Midwest Corn, Argonne National Laboratory (1997)
