Energy is the prerequisite for modern civilization. Fossil fuel is still the main source of energy. But the endless consumption of fossil fuel has brought its reserve about to an end. As a result, fuel prices are gouging as a consequence of spiraling demand and diminishing supply. So we are always in search of alternative and cost effective fuels to meet our need. Diesel engines are more efficient and cost-effective than other engines. So diesel engines have versatile uses (i.e. automobiles, irrigation, power plants etc.). That is why; consumption of diesel fuel is much higher than other gasoline fuels. This paper estimates the feasibility of soybean oil and sesame oil as an alternative fuel for diesel engine. In the present paper, production of biodiesel from soybean oil and sesame oil, its properties and comparison of test results with the results of other biodiesels and diesel have been presented. Biodiesels are produced experimentally from soybean and sesame oils and obtained 89.75% and 82.64% respectively. Calorific values of biodiesels from soybean and sesame oil are obtained 41.57MJ/Kg and 43.67 MJ/Kg and the same for diesel is 44.5 MJ/Kg. The kinematic viscosity of biodiesel extracted from soybean and sesame oils are 2.068*106m2/s and 2.292*106m2/s respectively while the same for diesel is 2.068*106m2/s. Again, flash point of biodiesels from soybean and sesame oil are obtained 96°C & 94°C and the same for diesel is 75°C. The production costs of biodiesels from soybean and sesame oil are Tk. 296.8 and Tk. 370 per liter respectively. These oils or any of its blends could be used as an alternative in case of crisis.
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[v1] 2012-08-19 10:43:02
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