Solid acid catalyzed hydrolysis of cellulosic materials

Details Solid acid catalyzed hydrolysis of cellulosic materials Solid acid catalyzed hydrolysis of cellulosic materials

C - Chemistry, Metallurgy

13

K

C13K 1/02 (2006.01) C07C 45/42 (2006.01) C07G 1/00 (2011.01)

Patent

CA 2705076

Provided are methods for the solubilization of cellulose into soluble sugars without the need for high temperatures, high pressures, strong acid solutions, and/or added water. The produced sugars can be fermented into ethanol. In one embodiment, the method comprises contacting a cellulose-containing material with a solid acid material and agitating the cellulose-containing material and the solid acid material for a time sufficient to produce an aqueous solution comprising a quantity of soluble sugars.

La présente invention concerne des procédés de solubilisation de cellulose en sucres solubles ne nécessitant pas des températures élevées, des pressions élevées, des solutions d'acide fort, et/ou d'addition d'eau. Les sucres produits peuvent être fermentés en éthanol. Selon un mode de réalisation, le procédé comprend la mise en contact d'un matériau contenant de la cellulose avec un matériau à base d'acide solide et l'agitation du matériau contenant de la cellulose et du matériau à base d'acide solide pendant une durée suffisante pour produire une solution aqueuse comportant une quantité de sucres solubles.

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