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Technical Paper

Performance, Emission and Combustion Characteristics of Biodiesel (Waste Cooking Oil Methyl Ester) Fueled IDI Diesel Engine

Biodiesel (fatty acid methyl ester) is a non-toxic and biodegradable alternative fuel that is obtained from renewable sources. A major hurdle in the commercialization of biodiesel from virgin oil, in comparison to petroleum-based diesel, is its cost of production, primarily the raw material cost. Used cooking oils or waste cooking oils are economical sources for biodiesel production, which can help in commercialization of biodiesel. However, the products formed during cooking/frying (such as free fatty acids and various polymerized triglycerides) affect the transesterification reaction and the biodiesel properties. In present experimental investigations, wastecooking oil obtained from restaurant was used to produce biodiesel through transesterification process and the chemical kinetics of biodiesel production was studied. Biodiesel was blended with petroleum diesel in different proportions.