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Publication history
Received August 24, 2007
Accepted August 27, 2007
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바이오디젤 공정기술과 연료특성

Biodiesel Production Technology and Its Fuel Properties

충주대학교 화공생물공학과/친환경 에너지 부품소재센터, 380-702 충북 충주시 대학로 72 1한국과학기술원 생명화학공학과, 305-701 대전시 유성구 구성동 373-1
Department of Chemical and Biological Engineering/Research Center for Sustainable Eco-Devices and Materials (RIC-ReSEM), Chungju National University, 72, Daehak-ro, Chungju, Chungbuk 380-702, Korea 1Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 373-1, Guseong-dong, Yuseong-gu, Daejeon 305-701, Korea
Korean Chemical Engineering Research, October 2007, 45(5), 424-432(9), NONE Epub 5 November 2007
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바이오디젤은 식물유지 및 동물유지와 같은 재생 가능한 자원으로부터 얻어지는 친환경 대체에너지로서 주목받고 있다. 바이오디젤은 식물유지 또는 동물성 지방으로부터 얻어지는 긴사슬 지방산의 모노알킬에스터이다. 본 총설에서는 (1) 바이오디젤을 얻기위한 전이에스테로화 반응에 대한 촉매의 타입, 자유지방산 및 수분, 알콜과 유지의 반응비, 알콜타입, 반응온도 및 시간과 교반강도의 영향, (2) 전이에스테르화 이후의 바이오디젤에 대한 분리공정, 그리고 (3) 대체에너지로서 바이오디젤의 내연기관 적합성을 바이오디젤의 물성에 기초하여 소개한다.
Biodiesel is gaining more attractive due to its eco-friendly and the fact that it is prepared from renewable sources. It is monoalkyl esters of long chain fatty acids derived from vegetable oils and animal fats via transesterification reaction with alcohol in the presence of catalyst. This paper will review briefly (1) the effect of reaction conditions such as catalyst type, amount of free fatty acid and moisture, molar ratio of alcohol and oil, alcohol type, reaction temperature and time and stirring intesity, (2) downstream process of biodiesel after transesterification reaction, and (3) potentialities of biodiesel as an alternative fuel based on its properties in diesel engines.


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