Review on Characterization and Analytical Measurements for Various Edible and Non-Edible Raw Oil and Biodiesel
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Abstract
Production of biofuels from biomass through various methods has been intensively researched over the past few decades. Biodiesel is prepared by reacting edible oil, non-edible oil and animal fatty oil with alcohol (transesterification process) in the presence of a catalyst. The present work studied the characterization and analytical measurements made and discuss how they can have an influence on biodiesel production. A comparison is made between feedstocks like waste frying oil, neem seed oil, aegle marmelos correa oil, rubber seed oil and pongamia oil. The physicochemical properties of biodiesel namely acid value, saponification value, iodine value, viscosity, density, calorific value, flash point and cloud point were measured according to ASTM D6751 and EN 14214 and compared. Based on the literature survey it is apparent that waste frying biodiesel can be abundantly made available and could be widely used for engine application. The physicochemical properties are closer to neat diesel fuel like calorific value 39.67 J/kg, viscosity 4.7 mm2/s and density 876 kg/m3. These results reveal that waste frying oil biodiesel can be used as sole fuel without any modification in CI engine.
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