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ABSTRACT
Biofuels are becoming more attractive worldwide because of high energy demands and the fossil fuel resources that are being depleted. Biodiesel is one of the most attractive alternative energy sources to petroleum diesel fuel and it is renewable, non-toxic, biodegradable, has low Sulphur content and has a high flash point. The need to proffer solutions to the limitations of biodiesel such as lower calorific value, high nitrous oxides production, cost of production and petrol diesel effects such as global warming and other environmental challenges respectively necessitated this research work. This project focuses on the effect of blending ratio on the performance of sunflower biodiesel with fossil diesel. In this work, biodiesel samples of different volume ratio were blended with Petro-diesel. The density, flash points and viscosity were measured as a function of percentage of biodiesel. The results emphasized that, density, the flashpoint and viscosity increased as the percentage of biodiesel increases in the samples. The values of the biodiesel properties were compared with standards. Taking into consideration results of density, Kinematic Viscosity and flash point, one can suggest 20% of biodiesel and 80% Petro-diesel as the best percentage that the two materials can be mixed.
