Author： Fan Xiaohu Burton Rachel Austic Greg
Publisher： Springer Publishing Company
ISSN： 0009-3092
Source： Chemistry and Technology of Fuels and Oils, Vol.46, Iss.5, 2010-12, pp. : 287-293
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Abstract
This study evaluated the production of biodiesel using fish oil as raw material. Two-stage alkaline-catalysis transesterification was performed with 6/1 molar ratio of methanol to oil at 55°C in the presence of 1 wt. % base amount of potassium hydroxide (KOH). The fuel properties of the biodiesel were further analyzed. The characterizations of the produced biodiesel showed that it met ASTM D 6751 standard with respect to acid number, flash point, water and sediment, free and total glycerin, sulfur content, distillation temperature, etc. It was found that cold soak and oxidative stability were out spec due to the high amount of polyunsaturated fatty acid present in the fish oil. However, through blending with used cooking oil biodiesel, in spec biodiesel fuel could be achieved.
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