D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
D21C 3/00 (2006.01) C08B 1/00 (2006.01) C08B 37/14 (2006.01) C12N 1/20 (2006.01) C12N 9/00 (2006.01) C12N 9/42 (2006.01) C12P 19/04 (2006.01) C13K 1/02 (2006.01) D21C 3/02 (2006.01) D21C 5/00 (2006.01)
Patent
CA 2739704
Concentrated sugar solutions obtained from polysaccharide enriched biomass by contacting biomass with water and at least one nucleophilic base to produce a polysaccharide enriched biomass comprising a solid fraction and a liquid fraction and then contacting enriched biomass with a dilute mineral acid selected from the group consisting of sulfuric acid, phosphoric acid, hydrochloric acid, nitric acid, or a combination thereof, to produce an intermediate saccharification product, which is contacted with an enzyme consortium to produce a final saccharification product comprising fermentable sugars.
La présente invention concerne des solutions concentrées de sucres obtenues à partir d'une biomasse enrichie en polysaccharides en mettant la biomasse en contact avec de l'eau et au moins une base nucléophile pour obtenir une biomasse enrichie en polysaccharides comprenant une fraction solide et une fraction liquide, puis en mettant la biomasse enrichie en contact avec un acide minéral dilué choisi dans le groupe constitué par l'acide sulfurique, l'acide phosphorique, l'acide chlorhydrique, l'acide nitrique et les combinaisons de ceux-ci, pour obtenir un produit de saccharification intermédiaire, lequel est mis en contact avec un groupe d'enzymes pour obtenir un produit de saccharification final comprenant des sucres fermentables.
E.i. Du Pont de Nemours And Company
Torys Llp
LandOfFree
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