ES2487511T3 - Mejora de tratamiento previo de la biomasa - Google Patents

Mejora de tratamiento previo de la biomasa Download PDF

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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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Spain
Prior art keywords
biomass
ammonia
weight
mixture
product
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ES08836116.7T
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English (en)
Inventor
Susan Marie Hennessey
Julie Friend
Richard T. Elander
Melvin P. Tucker Iii
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Alliance for Sustainable Energy LLC
EIDP Inc
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EI Du Pont de Nemours and Co
Alliance for Sustainable Energy LLC
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    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00Preparation of compounds containing saccharide radicals
    • C12P19/02Monosaccharides
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00Preparation of oxygen-containing organic compounds
    • C12P7/02Preparation of oxygen-containing organic compounds containing a hydroxy group
    • C12P7/04Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
    • C12P7/06Ethanol, i.e. non-beverage
    • C12P7/08Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate
    • C12P7/10Ethanol, i.e. non-beverage produced as by-product or from waste or cellulosic material substrate substrate containing cellulosic material
    • CCHEMISTRY; METALLURGY
    • C13SUGAR INDUSTRY
    • C13KSACCHARIDES OBTAINED FROM NATURAL SOURCES OR BY HYDROLYSIS OF NATURALLY OCCURRING DISACCHARIDES, OLIGOSACCHARIDES OR POLYSACCHARIDES
    • C13K1/00Glucose; Glucose-containing syrups
    • C13K1/02Glucose; Glucose-containing syrups obtained by saccharification of cellulosic materials
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P2201/00Pretreatment of cellulosic or lignocellulosic material for subsequent enzymatic treatment or hydrolysis
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/02Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/024Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes with NH3 or H2O
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel

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  • 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
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Claims (1)

  1. imagen1
ES08836116.7T 2007-08-22 2008-08-18 Mejora de tratamiento previo de la biomasa Active ES2487511T3 (es)

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

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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)

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AU2008307307A1 (en) 2009-04-09
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