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PRODUCTION OF PARA-XYLENE BY CATALYTICALLY REACTING 2,5-DIMETHYLFURAN AND ETHYLENE IN A SOLVENT

United States Patent Application

20140296600
A1
View the Complete Application at the US Patent & Trademark Office
The present invention provides a renewable route to para-xylene via cycloaddition of ethylene and 2,5-dimethylfuran and subsequent dehydration with high selectivity and high yields using acidic heterogeneous catalysts and a solvent for 2,5-dimethylfuran. The use of a solvent shows significant effects in the reduction of competing side reactions including hydrolysis of 2,5-dimethylfuran to 2,5-hexanedione, alkylation of p-xylene, and polymerization of 2,5-hexanedione.
Dauenhauer, Paul Jakob (Sunderland, MA), Williams, Christopher Luke (Amherst, MA), Vlachos, Dionisios G. (Voorhees, NJ), Lobo, Raul F. (Newark, DE), Chang, Chun-Chih (Amherst, MA), Fan, Wei (Amherst, MA)
University of Delaware (Newark DE), University of Massachusetts (Boston MA)
14/ 230,903
March 31, 2014
GOVERNMENT SUPPORT [0002] This invention was made with government support under the Catalysis Center for Energy Innovation, an Energy Frontier Research Center funded by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences under Award N. DE-SC0001004. The government has certain rights in the invention.