US 12,241,027 B2
Method of subjecting a biomass feedstock to hydropyrolysis
Pieter Huizenga, Amsterdam (NL); and Julien Sigaud, Amsterdam (NL)
Assigned to SHELL USA, INC., Houston, TX (US)
Filed by SHELL USA, INC., Houston, TX (US)
Filed on Jun. 30, 2022, as Appl. No. 17/854,285.
Prior Publication US 2023/0017405 A1, Jan. 19, 2023
Int. Cl. C10G 3/00 (2006.01); B01J 8/18 (2006.01); C10G 1/06 (2006.01); C10G 1/08 (2006.01)
CPC C10G 3/57 (2013.01) [B01J 8/1836 (2013.01); B01J 8/1845 (2013.01); B01J 8/1872 (2013.01); C10G 1/06 (2013.01); C10G 1/08 (2013.01); C10G 3/50 (2013.01); B01J 2208/00132 (2013.01); C10G 2300/1011 (2013.01); C10G 2300/4006 (2013.01); C10G 2300/4012 (2013.01); C10G 2300/4043 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A method of subjecting a biomass feedstock to hydropyrolysis, the method at least comprising the steps of:
a) supplying a biomass feedstock and a fluidizing gas comprising hydrogen to a bulk reactor zone of a fluidized bed reactor containing a deoxygenating catalyst;
b) subjecting the biomass feedstock in the bulk reactor zone of the fluidized bed reactor to a hydropyrolysis reaction by contacting the biomass feedstock with the deoxygenating catalyst in the presence of the fluidizing gas, thereby obtaining a hydropyrolysis reactor output comprising at least one non-condensable gas, a partially deoxygenated hydropyrolysis product and char;
wherein the fluidized bed reactor further comprises a plurality of tubes running through the bulk reactor zone and at least a portion of a mixing zone of the bulk reactor located below the bulk reactor zone, and wherein cooling fluid flowing in the tubes at a point where the biomass feedstock enters the bulk reactor zone has a temperature of at least 320° C.