Patent ID: 8692041
Filing Date: 2014-04-08
Classification: C07G,C10G,Y02E,Y02P,Y02T

Abstract:
1. A method comprising: (i) providing a biomass containing celluloses, hemicelluloses, lignin, nitrogen, and sulfur compounds; (ii) removing sulfur compounds and nitrogen compounds from said biomass by contacting the biomass with a digestive solvent to form a pretreated biomass containing soluble carbohydrates and having less than 35% of the sulfur content and less than 35% of the nitrogen content based on untreated biomass on a dry mass basis; (iii) contacting the pretreated biomass with an aqueous phase reforming catalyst to form a plurality of oxygenated intermediates; and (vi) processing at least a portion of the oxygenated intermediates to form a liquid fuel.