INTERNATIONAL JOURNAL OF MODERN TRENDS IN ENGINEERING AND SCIENCE
Author’s Name : Lewis Jacob
Volume 01 Issue o1 January 2014
ISSN no: 2348-3121
Page no: 1-4
Abstract – At present, about 80% of the world’s demand for transportation fuels- road, rail, air and sea- are met by derivatives from the fossil fuels such as petroleum and diesel. This project aims at finding an alternative for these fossil fuels. The various parameters that have been considered for the selection of the oil are kinematic viscosity, viscosity index, calorific value, flash point, fire point, sulphur content, carbon content, pour point, and density etc. Bio diesel is produced by transesterification of triglycerides present in animal fat or vegetable oils, by displacing glycerin with a low molar mass alcohol. This resulting ester mixture has physico-chemical properties similar to those of petroleum diesel. This paper reviews the synthetic paths that lead to size-chain bio diesel by means of the catalytic transesterification of vegetable oils. Although methyl esters are at present the only ones produced at industrial scale, the use of ethanol, which can also be obtained from renewable resources, has been considered, since it would generate a cleaner and more bio compatible fuel.
Keywords— Alternate fuel; Biodiesel; Glycerin; Transesterification
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