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1. (EP2358886) ORGANIC SOLVENT PRETREATMENT OF BIOMASS TO ENHANCE ENZYMATIC SACCHARIFICATION

Office : European Patent Office
Application Number: 09775490 Application Date: 17.12.2009
Publication Number: 2358886 Publication Date: 24.08.2011
Publication Kind : B1
Designated States: AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, TR
Prior PCT appl.: Application Number:US2009068373 ; Publication Number: Click to see the data
IPC:
C12P 7/16
C08H 8/00
C12P 7/10
C12P 7/18
C12P 19/02
C12P 19/14
C13K 1/02
D21C 1/00
D21C 3/02
D21C 3/20
D21C 11/00
C CHEMISTRY; METALLURGY
12
BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
P
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
7
Preparation of oxygen-containing organic compounds
02
containing a hydroxy group
04
acyclic
16
Butanols
C CHEMISTRY; METALLURGY
08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
H
DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
8
Macromolecular compounds derived from lignocellulosic materials
C CHEMISTRY; METALLURGY
12
BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
P
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
7
Preparation of oxygen-containing organic compounds
02
containing a hydroxy group
04
acyclic
06
Ethanol, i.e. non-beverage
08
produced as by-product or from waste or cellulosic material substrate
10
substrate containing cellulosic material
C CHEMISTRY; METALLURGY
12
BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
P
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
7
Preparation of oxygen-containing organic compounds
02
containing a hydroxy group
04
acyclic
18
polyhydric
C CHEMISTRY; METALLURGY
12
BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
P
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
19
Preparation of compounds containing saccharide radicals
02
Monosaccharides
C CHEMISTRY; METALLURGY
12
BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
P
FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
19
Preparation of compounds containing saccharide radicals
14
produced by the action of a carbohydrase, e.g. by alpha-amylase
C CHEMISTRY; METALLURGY
13
SUGAR INDUSTRY
K
SACCHARIDES, OTHER THAN SUCROSE, OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DI-, OLIGO- OR POLYSACCHARIDES
1
Glucose; Glucose-containing syrups
02
obtained by saccharification of cellulosic materials
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
1
Pretreatment of the finely-divided materials before digesting
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
3
Pulping cellulose-containing materials
02
with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
3
Pulping cellulose-containing materials
20
with organic solvents
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
11
Regeneration of pulp liquors
CPC:
C12P 19/14
C08H 8/00
C10G 2300/1011
C10G 2300/1014
C10G 2300/44
C10G 2300/805
C10L 1/02
C12P 7/10
C12P 7/16
C12P 7/18
C12P 19/02
C12P 2201/00
C13K 1/02
D21C 3/024
D21C 3/20
D21C 11/0007
Y02E 50/10
Y02E 50/16
Y02E 50/17
Y02E 50/343
Y02P 30/20
Applicants: DU PONT
Inventors: DINER BRUCE A
FAN JANINE
Priority Data: 13917908 19.12.2008 US
2009068373 17.12.2009 US
Title: (DE) VORBEHANDLUNG VON BIOMASSE MIT ORGANISCHEM LÖSUNGSMITTEL ZUR VERBESSERUNG VON ENZYMATISCHER VERZUCKERUNG
(EN) ORGANIC SOLVENT PRETREATMENT OF BIOMASS TO ENHANCE ENZYMATIC SACCHARIFICATION
(FR) PRÉ-TRAITEMENT DE BIOMASSE PAR UN SOLVANT ORGANIQUE POUR AMÉLIORER LA SACCHARIFICATION ENZYMATIQUE
Abstract:
(EN) Biomass is pretreated using an organic solvent solution under alkaline conditions in the presence of ammonia and optionally an additional nucleophile to fragment and extract lignin without loss of hemicellulose. Pretreated biomass is further hydrolyzed with a saccharification enzyme consortium. Fermentable sugars released by saccharification may be utilized for the production of target chemicals by fermentation.
(FR) De la biomasse est pré-traitée par une solution de solvant organique dans des conditions basiques en présence d'ammoniac et éventuellement d'un nucléophile supplémentaire pour fragmenter et extraire la lignine sans perte d'hémicellulose. La biomasse prétraitée est hydrolysée plus avant par un complexe enzymatique de saccharification. Les sucres fermentables libérés par la saccharification peuvent être employés dans la production de produits chimiques ciblés par fermentation.
Also published as:
JP2012512658ES2401730CN102257151CA2743450BRPI0916158AU2009335804
ID051.4415MYPI 2011002123IN5002/DELNP/2011WO/2010/080464