DETOXIFYING PRE-TREATED LIGNOCELLULOSE-CONTAINING MATERIALS

• Main Authors: SOONG, CHEE-LEONG, HOLMES, JASON W, DEINHAMMER, RANDY
• Format: Patent
• Language: English; French
• Published: 26.06.2008
• Subjects: APPARATUS THEREFOR; BEER; BIOCHEMISTRY; CHEMISTRY; ENZYMOLOGY; FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; MICROBIOLOGY; MUTATION OR GENETIC ENGINEERING; PAPER-MAKING; PRODUCTION OF CELLULOSE; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; REGENERATION OF PULPING LIQUORS; SPIRITS; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TEXTILES; VINEGAR; WINE

The invention relates to a process of detoxifying pre-treated lignocellulose-containing material by subjecting pre-treated material to a detoxifying compound capable of binding 1) pre-treated lignocellulose degradation products and/or 2) acetic acid. The detoxifying compound may also be an amidase and/or and anhydrase. The invention also relates to a process of producing a fermentation product including a detoxification process of the invention. L'invention concerne un procédé de détoxification d'un matériau prétraité contenant de la lignocellulose, consistant à soumettre un matériau prétraité à un composé de détoxification pouvant fixer 1) des produits de dégradation de lignocellulose prétraités et/ou 2) de l'acide acétique. Le composé de détoxification peut également être une amidase et/ou une anhydrase. L'invention concerne également un procédé de production d'un produit de fermentation associé au procédé de détoxification de l'invention.