US Patent Issued to SHELL USA on April 29 for "Fluidized bed reactor and associated hydropyrolysis processes" (Dutch Inventor)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,593, issued on April 29, was assigned to SHELL USA INC. (Houston).

"Fluidized bed reactor and associated hydropyrolysis processes" was invented by Pieter Huizenga (Amsterdam).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process includes a.) supplying a biomass feedstock, a fluidizing gas having hydrogen, and a catalyst recirculation stream having deoxygenating catalyst to a mixing zone of a fluidized bed reactor; b.) allowing the biomass feedstock, the fluidizing gas and the deoxygenating catalyst to move upwards through the fluidized bed reactor from the mixing zone to a bulk reactor zone; c.) allowing the biomass feedstock to contact the deoxyge...