Post-treatment to enhance the enzymatic hydrolysis of pretreated lignocellulosic biomass

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United States of America Patent

PATENT NO 9914948
SERIAL NO

15057642

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The present disclosure relates to a process for extracting sugars from a pretreated lignocellulosic biomass. This process consists of contacting the pretreated lignocellulosic biomass with low charges of an aqueous peroxy acid (PA) solution to produce a liquid fraction (containing a small amount of lignin and hemicellulose degradation products) and a solid fraction containing cellulose, hemicellulose and lignin. The solid fraction can then be subjected to enzymatic hydrolysis with a variety of cell wall-degrading enzymes to produce a lignin-rich residue and a sugar solution that can be fermented to a variety of (bio)chemicals.

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FPINNOVATIONSPOINTE-CLAIRE QUÉBEC H9R 3J9

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Del, Rio Luis Fernando Pointe-Claire, CA 1 5
Mao, Changbin Pierrefonds, CA 3 10
Wafa, Al Dajani Waleed Pierrefonds, CA 3 5
Yuan, Zhirun Pointe-Claire, CA 7 66

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