C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
C12P 7/10 (2006.01) C08H 8/00 (2010.01) C13K 1/02 (2006.01) D21C 3/00 (2006.01) D21C 3/20 (2006.01) D21C 3/22 (2006.01)
Patent
CA 2744256
Biomass is pretreated using an organic solvent solution, under alkaline conditions, in the presence of one or more organo-mercaptan and optionally one or more additional nucleophile to fragment and extract lignin. Pretreated biomass is further hydrolyzed with a saccharification enzyme consortium. Fermentable sugars released by saccharification may be utilized for the production of target chemicals by fermentation.
Selon l'invention, une biomasse est prétraitée à l'aide d'une solution dans un solvant organique, dans des conditions alcalines, en présence d'un ou plusieurs organo-mercaptans et facultativement d'un ou plusieurs nucléophiles supplémentaires pour fragmenter et extraire la lignine. Puis la biomasse prétraitée est hydrolysée par un consortium d'enzymes de saccharification. Les sucres fermentables libérés par saccharification peuvent être utilisés pour la production de produits chimiques cibles par fermentation.
Diner Bruce A.
Fan Janine
E.i. Du Pont de Nemours And Company
Torys Llp
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