C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
C12P 19/02 (2006.01)
Patent
CA 2604100
The present invention provides a method for treating biomass composed of integrated feedstocks to produce fermentable sugars. One aspect of the methods described herein includes a pretreatment step wherein biomass is integrated with an alternative feedstream and the resulting integrated feedstock, at relatively high concentrations, is treated with a low concentration of ammonia relative to the dry weight of biomass. In another aspect, a high solids concentration of pretreated biomass is integrated with an alternative feedstream for saccharifiaction.
L'invention concerne un procédé de traitement d'une biomasse se composant de charges d'alimentation intégrées en vue de produire des sucres fermentescibles. Dans un mode de réalisation, le procédé comporte une étape de prétraitement consistant à intégrer dans la biomasse une autre charge d'alimentation, la charge d'alimentation intégrée obtenue étant ensuite traitée, à des concentrations relativement fortes, à l'aide d'une faible concentration d'ammoniac par rapport au poids sec de la biomasse. Dans un autre mode de réalisation, on intègre dans une biomasse prétraitée à forte concentration de matières solides une autre charge d'alimentation à des fins de saccharification.
Dunson James B.
Elander Richard
Friend Julie
Hames Bonnie
Hennessey Susan
Alliance For Sustainable Energy Llc
E. I. Du Pont de Nemours And Company
Midwest Research Institute
Torys Llp
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