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Method of Lipid Extraction

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A method of extracting lipids from wet algae, the method includes hydrolyzing a slurry comprising algae and water by adding an acidic hydrolyzing agent to yield an acidic slurry, hydrolyzing the acidic slurry by adding a basic hydrolyzing agent to yield a basic slurry, separating a liquid phase from biomass in the basic slurry, forming a precipitate within the liquid phase, and separating free fatty acids from the precipitated solid phase with the advantage of removed or reduced chlorophyll contamination of the algal lipids.
Sathish, Ashik (North Logan, UT), Sims, Ronald (Logan, UT)
Utah State University (North Logan UT)
13/ 660,161
October 25, 2012
GOVERNMENT SPONSORED RESEARCH [0002] This invention was made, at least in part, with government support under contract DE-EE0003114 awarded by the United States Department of Energy. The government has certain rights in the invention.