Decrystallization of cellulosic biomass with an acid mixture...

Details Decrystallization of cellulosic biomass with an acid mixture... Decrystallization of cellulosic biomass with an acid mixture...

C - Chemistry, Metallurgy

13

K

C13K 1/02 (2006.01) C08B 15/08 (2006.01) C12P 7/10 (2006.01)

Patent

CA 2727524

The present invention provides a process for treating biomass to produce sugars. The process is directed to decrystallizing cellulose by contacting biomass with an acid mixture comprising sulfuric acid and phosphoric acid at particular molar ratios. Following decrystallization, the biomass may be hydrolyzed with the acid mixture to produce a saccharification product comprising sugars.

L'invention concerne un procédé pour traiter une biomasse afin de produire des sucres. Le procédé concerne une décristallisation de cellulose en mettant en contact une biomasse avec un mélange d'acides comprenant de l'acide sulfurique et de l'acide phosphorique, à des rapports molaires particuliers. À la suite d'une décristallisation, la biomasse peut être utilisée avec le mélange d'acides pour produire un produit de saccharification comprenant des sucres.

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