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Method and apparatus using an active ionic liquid for algae biofuel harvest and extraction

United States Patent

November 6, 2012
View the Complete Patent at the US Patent & Trademark Office
The invention relates to use of an active ionic liquid to dissolve algae cell walls. The ionic liquid is used to, in an energy efficient manner, dissolve and/or lyse an algae cell walls, which releases algae constituents used in the creation of energy, fuel, and/or cosmetic components. The ionic liquids include ionic salts having multiple charge centers, low, very low, and ultra low melting point ionic liquids, and combinations of ionic liquids. An algae treatment system is described, which processes wet algae in a lysing reactor, separates out algae constituent products, and optionally recovers the ionic liquid in an energy efficient manner.
Salvo; Roberto Di (Madison, AL), Reich; Alton (Huntsville, AL), Dykes, Jr.; H. Waite H. (Huntsville, AL), Teixeira; Rodrigo (Madison, AL)
Streamline Automation, LLC (Huntsville, AL)
12/ 970,512
December 16, 2010
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The United States Government may have certain rights to the disclosed invention pursuant to Contract Number DE-SC0001306 awarded by the U.S. Department of Energy.