ES2487511T3 - Mejora de tratamiento previo de la biomasa - Google Patents
Mejora de tratamiento previo de la biomasa Download PDFInfo
- Publication number
- ES2487511T3 ES2487511T3 ES08836116.7T ES08836116T ES2487511T3 ES 2487511 T3 ES2487511 T3 ES 2487511T3 ES 08836116 T ES08836116 T ES 08836116T ES 2487511 T3 ES2487511 T3 ES 2487511T3
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- ES
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- biomass
- ammonia
- weight
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P19/00—Preparation of compounds containing saccharide radicals
- C12P19/02—Monosaccharides
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
- C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
- C12P7/06—Ethanol, i.e. non-beverage
- C12P7/08—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate
- C12P7/10—Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate substrate containing cellulosic material
-
- C—CHEMISTRY; METALLURGY
- C13—SUGAR INDUSTRY
- C13K—SACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES
- C13K1/00—Glucose; Glucose-containing syrups
- C13K1/02—Glucose; Glucose-containing syrups obtained by saccharification of cellulosic materials
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P2201/00—Pretreatment of cellulosic or lignocellulosic material for subsequent enzymatic treatment or hydrolysis
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/024—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes with NH3 or H2O
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Genetics & Genomics (AREA)
- Emergency Medicine (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
Un método para la preparación de un producto de biomasa pretratada mejorado que comprende: a) proporcionar la biomasa; b) pretratar dicha biomasa al poner en contacto dicha biomasa en condiciones adecuadas a una temperatura de 4 ºC a 200 ºC con una solución acuosa que comprende amoníaco para formar una mezcla de biomasa y amoníaco acuoso, en la que el amoníaco está presente en una concentración por lo menos suficiente para mantener el pH alcalino de la mezcla de biomasa y amoníaco acuoso, pero en la que dicho amoníaco está presente en menos de 12 por ciento en peso con respecto al peso en seco de la biomasa, y además en la que el peso en seco de la biomasa se encuentra en una alta concentración de sólidos de por lo menos 15 por ciento en peso con respecto al peso de la mezcla de biomasa y amoníaco acuoso por medio de lo cual se forma un producto de sólidos de biomasa pretratada y un licor de tratamiento previo de biomasa que comprende uno o más compuestos inhibidores; y c) retirar dicho licor de tratamiento previo de biomasa; en el que el producto de sólidos de biomasa pretratada tiene una cantidad reducida de los compuestos inhibidores de ácido acético y acetamida y una reducción en el contenido de azúcar de no más que el 10%.
Description
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E08836116
30-07-2014
* Los totales pueden no ser 100 debido al nivel de sensibilidad del ensayo
Se analizó la composición de las fases sólida y líquida de la mezcla de biomasa pretratada y mazorca fracturada tal de acuerdo con lo descrito en los Métodos Generales y los resultados se presentan en la Tabla 2. Las cantidades se presentan como % de las cantidades teóricas en la biomasa de inicio, con ácido acético y acetamida juntos correspondiente al acetilo en la biomasa. Al igual que con la biomasa pretratada y mazorca entera, la glucosa y la xilosa permanecieron en gran medida en los sólidos (en celulosa y la hemicelulosa, respectivamente), con sólo pequeñas cantidades de oligómeros solubles medidos en el líquido. También, todo el acetilo de materia prima se halló en la fase líquida, ya sea como ácido acético o acetamida.
Tabla 2. Particionamiento de los diferentes componentes de materia prima para la fase sólida o líquida después de un tratamiento previo a baja temperatura de mazorcas fracturadas.
- Componente
- Fase sólida: % del valor de la materia prima teórica Fase líquida: % del valor de la materia prima teórica
- Azúcares monómeros
- Azúcares oligómeros Ácido acético Acetamida
- Glucosa
- 97 2 2 * -
- Xilosa
- 92 1 * -
- Acetilo
- 0 - - 81 9 *
- * Los totales pueden no ser 100 debido al nivel de sensibilidad del ensayo
Ejemplo 2
Baja solubilización de azúcares tras el tratamiento previo a alta temperatura
Se cargaron mazorcas de maíz fracturadas (13 kg, en base seca), preparadas de acuerdo con lo descrito en el Ejemplo 1, en el reactor Jaygo. Después de crear un vacío en el reactor, se bombeó una solución de hidróxido de amonio de la fuerza adecuada para dar 2% de amoníaco (peso/peso en seco de la biomasa) y 30% de peso en seco de la concentración de biomasa en el reactor con una mezcla de 32 rpm a temperatura ambiente. El contenido del reactor luego se calentó a 95 ºC por el uso de una camisa de vapor a baja presión. Una vez que el reactor alcanzó 95 ºC, se utilizó la inyección directa de vapor para calentar el contenido del reactor a 145 ºC. Cuando el reactor alcanzó 145 ºC, los contenidos del reactor se mantuvieron a esa temperatura durante 20 minutos por el uso de una camisa de vapor y algo de inyección directa de vapor. Después de 20 minutos, un vacío se arrojó sobre la ventilación en el reactor y el motor de la trituradora se encendió durante 5 minutos. Después de 1 h, se encendió el agua de refrigeración para la camisa. Los contenidos del reactor Jaygo se enfriaron a entre 33 ºC y 37 ºC; a continuación, se utilizó CO2 para presurizar el reactor a 138 kPa. La atmósfera de CO2 presurizado se mantuvo durante 30 min. La temperatura final de los contenidos del reactor fue de entre 27 ºC a 31 ºC. El pH de la biomasa empapada/pretratada fue de aproximadamente 7,5.
Se analizó la composición de las fases sólida y líquida de la mezcla de la biomasa pretratada de acuerdo con lo descrito en los Métodos Generales y los resultados se presentan en la Tabla 3. Las cantidades se presentan como % de las cantidades teóricas en la biomasa de inicio, con ácido acético y acetamida juntos correspondiente al acetilo en la biomasa. Al igual que con la biomasa pretratada a baja temperatura en el Ejemplo 1, la glucosa y la xilosa permanecieron en gran medida en los sólidos (en celulosa y hemicelulosa, respectivamente), con sólo pequeñas cantidades de oligómeros solubles medidos en el líquido. También, todo el acetilo de materia prima se halló en la fase líquida, ya sea como ácido acético o acetamida.
Tabla 3. Particionamiento de diferentes componentes de materia prima para la fase sólida o líquida después del tratamiento previo a alta temperatura de las mazorcas fracturadas.
- Componente
- Fase sólida: % del valor de la materia prima teórica Fase líquida: % del valor de la materia prima teórica
- Azúcares monómeros
- Azúcares oligómeros Ácido acético Acetamida
- Glucosa
- 100 0 2 * - -
- Xilosa
- 93 0 2 * - -
- Acetilo
- 0 - - 90 9 *
- * Los totales pueden no ser 100 debido al nivel de sensibilidad del ensayo
13
Claims (1)
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imagen1
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/843,157 US8445236B2 (en) | 2007-08-22 | 2007-08-22 | Biomass pretreatment |
US843157 | 2007-08-22 | ||
PCT/US2008/073420 WO2009045654A2 (en) | 2007-08-22 | 2008-08-18 | Improved biomass pretreatment |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2487511T3 true ES2487511T3 (es) | 2014-08-21 |
Family
ID=40382549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES08836116.7T Active ES2487511T3 (es) | 2007-08-22 | 2008-08-18 | Mejora de tratamiento previo de la biomasa |
Country Status (10)
Country | Link |
---|---|
US (1) | US8445236B2 (es) |
EP (1) | EP2179085B1 (es) |
JP (1) | JP5352589B2 (es) |
CN (2) | CN104911228B (es) |
AU (1) | AU2008307307B2 (es) |
BR (1) | BRPI0815262B1 (es) |
CA (1) | CA2693128C (es) |
ES (1) | ES2487511T3 (es) |
PL (1) | PL2179085T3 (es) |
WO (1) | WO2009045654A2 (es) |
Families Citing this family (65)
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-
2007
- 2007-08-22 US US11/843,157 patent/US8445236B2/en active Active
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2008
- 2008-08-18 BR BRPI0815262-4A patent/BRPI0815262B1/pt active IP Right Grant
- 2008-08-18 CN CN201510221387.8A patent/CN104911228B/zh not_active Expired - Fee Related
- 2008-08-18 CA CA2693128A patent/CA2693128C/en not_active Expired - Fee Related
- 2008-08-18 PL PL08836116T patent/PL2179085T3/pl unknown
- 2008-08-18 JP JP2010521954A patent/JP5352589B2/ja not_active Expired - Fee Related
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- 2008-08-18 WO PCT/US2008/073420 patent/WO2009045654A2/en active Application Filing
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US20090053770A1 (en) | 2009-02-26 |
CN101802299A (zh) | 2010-08-11 |
BRPI0815262A2 (pt) | 2015-07-14 |
CN104911228B (zh) | 2019-06-14 |
CA2693128C (en) | 2013-01-08 |
CA2693128A1 (en) | 2009-04-09 |
JP5352589B2 (ja) | 2013-11-27 |
EP2179085A2 (en) | 2010-04-28 |
US8445236B2 (en) | 2013-05-21 |
WO2009045654A3 (en) | 2009-08-27 |
AU2008307307A1 (en) | 2009-04-09 |
CN104911228A (zh) | 2015-09-16 |
EP2179085B1 (en) | 2014-05-14 |
BRPI0815262B1 (pt) | 2018-01-16 |
PL2179085T3 (pl) | 2014-10-31 |
AU2008307307B2 (en) | 2013-11-14 |
JP2010536376A (ja) | 2010-12-02 |
WO2009045654A2 (en) | 2009-04-09 |
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