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Journal of Korean Institute of Fire Science and Engineering 2008;22(5):79-82.
Published online December 31, 2008.
바이오디젤연료 위험성평가
권경옥
전주대학교 공과대학 소방안전공학과
Risk Evaluation of Biodiesel
Kwon Kyung-Ok
요약
바이오디젤은 식물성기름등으로부터 제조시 메탄올과의 반응으로부터 제조되므로 바이오디젤의 잔존 메탄올은 화재폭발위험성을 높일 수 있다. 바이오디젤에 존재하는 메탄올의 위험도를 측정하기 위하여 바이오디젤에 메탄올을 일정 비율로 첨가하여 인화점과 동점도를 측정하였다. 바이오디젤의 인화점은 메탄올의 증가에 따라 현저히 감소하였으며 동점도도 감소하는 것으로 나타났다. 실험결과 바이오디젤 연료에 반응물 메탄올이 잔존하거나 또는 연료의 점성을 낮추기 위하여 첨가되는 메탄올은 바이오디젤의 인화점을 낮추어 화재폭발 위험성이 높은 것으로 나타났다.
Abstract
Biodiesel is manufactured from vegetable oils, etc. in reaction with methanol so that the product of biodiesel may be dangerous due to the methanol remained of it. The risks of methanol remained in biodiesel were studied by measuring flash points and dynamic viscosity to some samples of biodiesel by adding methanol to a certain percentage of. The results of flash points of biodiesel are decreased in accordance with increasing of methanol in biodiesel and also decreasing the dynamic viscosity. It was shown that the risks of explosion of biodiesel are significantly high due to lower flash points resulted from methanol remained in biodiesel fuel as a reactant or adding to biodiesel for reduction of viscosity.
Key Words: Biodiesel, Flash point of methanol, Risk evaluation, Dynamic viscosity


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