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Methods of making alkyl esters

United States Patent

August 3, 2010
View the Complete Patent at the US Patent & Trademark Office
A method comprising contacting an alcohol, a feed comprising one or more glycerides and equal to or greater than 2 wt % of one or more free fatty acids, and a solid acid catalyst, a nanostructured polymer catalyst, or a sulfated zirconia catalyst in one or more reactors, and recovering from the one or more reactors an effluent comprising equal to or greater than about 75 wt % alkyl ester and equal to or less than about 5 wt % glyceride.
Elliott; Brian (Wheat Ridge, CO)
TDA Research, Inc. (Wheat Ridge, CO)
11/ 744,693
May 4, 2007
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The embodiments described in this disclosure were made, at least in part, with funding from the Department of Energy Contract No. DE-FG02-04ER86169, U.S. Department of Agriculture Contract No. 2006-33610-16838, and Environmental Protection Agency Contract No. EP-D-07-058. Accordingly, the U.S. government may have certain rights in the subject matter disclosed herein.