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Production of Omega--3 Polyunsaturated Fatty Acid from Biodiesel--Waste Glycerol by Microalgal Fermentation

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  2007 ASAE Annual Meeting  077028.(doi:10.13031/2013.22865)
Authors:   Denver Pyle, Zhiyou Wen
Keywords:   biodiesel, crude glycerol, docosahexaenoic acid, algal fermentation

Glycerol represents the major byproduct in the biodiesel industry. In general, production of 100 kg of biodiesel yields ~10 kg of crude glycerol. Because it is prohibitively expensive to purify the crude glycerol into materials that can be used in the medical, health, and cosmetics industries, biodiesel producers must either dispose of it or give it away.

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