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International Journal of Recent Trends in Science and Technology, ISSN 2277-2812 E-ISSN: 2249-8109

Volume 11, Issue 1, May 2014 pp 09-11

Research Article

Study of Engine Performance and Emission with Neem Oil (NOME) Based Bio-Diesel

Tejaswita Kajale¹, Abhay Pawar², Channapatana³

Academic Editor : Dr. Aher K.R.

The world is getting modernized and industrialized day by day. As a result vehicles and engines are increasing. But energy sources used in these engines are limited and decreasing gradually. This situation leads to seek an alternative fuel for diesel engine is biodiesel. Biodiesel is a non-toxic, biodegradable and renewable alternative fuel that can be used in diesel engines with little modification. Biodiesel is currently expensive. It could be produced from low-cost Neem seed oils. The objective of this study was to investigate the effect of the biodiesel produced from high free fatty acid feed stocks on engine performance and emissions. Biodiesel performance and testing is done in C.I. engine. Neem oil was extracted from neem seed by solvent extraction. Refractive index, density, viscosity, ash content, Saphonification value, iodine number was studied. Biodiesel has been prepared from NEEM oil by esterification and transesterification. It was examined for physical and chemical properties and chemical properties. HC, CO, NO_x, SO_x, and particulate matter was studied. The conversion of the biodiesel fuel's energy to work was equal to that from diesel fuel. The results also clearly indicate that the engine running with biodiesel and blends have higher NOx emission by up to 20%. However, the emissions of the CI engine running on neat biodiesel (B100) were reduced by up to 15%, 40% and 30% for CO, CO2 and THC emissions respectively, as compared to diesel fuel at various operating conditions.