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Electrocatalytic hydrogenation and hydrodeoxygenation of oxygenated and unsaturated organic compounds

United States Patent

April 24, 2018
View the Complete Patent at the US Patent & Trademark Office
A process and related electrode composition are disclosed for the electrocatalytic hydrogenation and/or hydrodeoxygenation of organic substrates such as biomass-derived bio-oil components by the production of hydrogen atoms on a catalyst surface followed by the reaction of the hydrogen atoms with the organic reactants. Biomass fast pyrolysis-derived bio-oil is a liquid mixture containing hundreds of organic compounds with chemical functionalities that are corrosive to container materials and are prone to polymerization. A high surface area skeletal metal catalyst material such as Raney Nickel can be used as the cathode. Electrocatalytic hydrogenation and/or hydrodeoxygenation convert the organic substrates under mild conditions to reduce coke formation and catalyst deactivation. The process converts oxygen-containing functionalities and unsaturated bonds into chemically reduced forms with an increased hydrogen content. The process is operated at mild conditions, which enables it to be a good means for stabilizing bio-oil to a form that can be stored and transported using metal containers and pipes.
Jackson; James E. (Haslett, MI), Lam; Chun Ho (East Lansing, MI), Saffron; Christopher M. (Okemos, MI), Miller; Dennis J. (Okemos, MI)
14/ 061,460
October 23, 2013
STATEMENT OF GOVERNMENT INTEREST This invention was made with government support under DE-FG36-04GO14216 awarded by the United States Department of Energy. The government has certain rights in the invention.