Full Length Research Paper
Abstract
Biodiesel was successfully produced from Borassus aethiopum and Cassia sieberiana seeds using the trans-esterification method. The biodiesels produced were characterized by physico-chemical properties of acid value, iodine value, specific gravity, refractive index, viscosity, density, flash point, cloud point and pour point. Results showed that the biodiesels produced have values which compared well with the European Biodiesel Standard. The free fatty acid from B. aethiopum oil and C. sieberiana oil are 2.68 and 13.97%, respectively, while the iodine values are 47.93 gl2/100 g and 48 gl2/100 g, respectively. Also, their saponification values are 201.69 mg K0H/g and 208.56 mg K0H/g, respectively, while their acid values are 5.38 and 28.04, respectively. The calorific value for B. aethiopum biodiesel and C. sieberiana biodiesel are 42568 and 41427 KJ/kg, respectively, while their fire point are 90 and 50°C, respectively.
Key words: Biodiesel, Borassus aethiopum, Cassia, sieberiana, trans-esterification.
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