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Sustainable Biodiesel from Neem Tree Trans-esterification – Advanced BioFuels USA

by David Bradley (Inderscience/Tech Xplore) The neem tree, Azadirachta indica, also known as the Indian Lilac, is well known for its oil extracted from its seed and fruit. It has been used in traditional medicine but has also been investigated for the pest control potential of natural products. Work published in the  International Journal of Renewable Energy Technology reports on the production, characterisation and use of neem biodiesel as a green fuel for vehicle engines. Bheru Lal Salvi and Sudhakar Jindal of the Department of Mechanical Engineering at the Maharana Pratap University of Agriculture and Technology in Udaipur, Rajasthan, India, have shown how neem biodiesel can be prepared through a two-stage trans-esterification reaction in approximately 88% yield. The neem biodiesel is of a higher viscosity and density than conventional diesel derived from petroleum oil. It also has a slightly lower energy density, or calorific value. However, neem biodiesel blended with up to

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