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Conversion of 2,3-butanediol to 2-butanol, olefins and fuels

United States Patent

December 13, 2016
View the Complete Patent at the US Patent & Trademark Office
Pacific Northwest National Laboratory - Visit the Technology Commercialization Program Website
Embodiments of an integrated method for step-wise conversion of 2,3-butanediol to 2-butanol, and optionally to hydrocarbons, are disclosed. The method includes providing an acidic catalyst, exposing a composition comprising aqueous 2,3-butanediol to the acidic catalyst to produce an intermediate composition comprising methyl ethyl ketone, providing a hydrogenation catalyst that is spatially separated from the acidic catalyst, and subsequently exposing the intermediate composition to the hydrogenation catalyst to produce a composition comprising 2-butanol. The method may further include subsequently exposing the composition comprising 2-butanol to a deoxygenation catalyst, and deoxygenating the 2-butanol to form hydrocarbons. In some embodiments, the hydrocarbons comprise olefins, such as butenes, and the method may further include subsequently exposing the hydrocarbons to a hydrogenation catalyst to form saturated hydrocarbons.
Lilga; Michael A. (Richland, WA), Lee; Guo-Shuh (Richland, WA), Lee; Suh-Jane (Richland, WA)
Battelle Memorial Institute (Richland, WA)
14/ 678,729
April 3, 2015
ACKNOWLEDGMENT OF GOVERNMENT SUPPORT This invention was made with government support under DE-AC05-76RL01830 awarded by the United States Department of Energy. The government has certain rights in the invention.