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BRPI0516755A - processo contìnuo para o pré-tratamento de uma carga de alimentação lignocelulósica - Google Patents

processo contìnuo para o pré-tratamento de uma carga de alimentação lignocelulósica

Info

Publication number
BRPI0516755A
BRPI0516755A BRPI0516755-8A BRPI0516755A BRPI0516755A BR PI0516755 A BRPI0516755 A BR PI0516755A BR PI0516755 A BRPI0516755 A BR PI0516755A BR PI0516755 A BRPI0516755 A BR PI0516755A
Authority
BR
Brazil
Prior art keywords
suspension
feedstock
pretreatment
continuous process
stages
Prior art date
Application number
BRPI0516755-8A
Other languages
English (en)
Inventor
Brian Foody
Vijay Anand
David Rea
Original Assignee
Iogen Energy Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Iogen Energy Corp filed Critical Iogen Energy Corp
Publication of BRPI0516755A publication Critical patent/BRPI0516755A/pt

Links

Classifications

    • 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
    • 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
    • C12P19/14—Preparation of compounds containing saccharide radicals produced by the action of a carbohydrase (EC 3.2.x), e.g. by alpha-amylase, e.g. by cellulase, hemicellulase
    • 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
    • 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
    • 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

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)
  • Processing Of Solid Wastes (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

PROCESSO CONTìNUO PARA O PRé-TRATAMENTO DE UMA CARGA DE ALIMENTAçãO LIGNOCELULóSICA. A presente invenção é dirigida a um processo contínuo para o pré-tratamento de uma carga de alimentação lignocelulósica. é provida uma suspensão de carga de alimentação, que possui uma concentração de sólidos de 10% a 30%, em peso. A suspensão da carga de alimentação é bombeada através de um trem de aquecimento de pelo menos dois estágios, cada estágio incluindo uma bomba para aumentar a pressão do estágio e uma injeção de vapor direta para aquecer a suspensão de carga de alimentação. O ácido é também adicionado à suspensão da carga de alimentação antes do trem de aquecimento, durante um estágio de aquecimento, ou após deixar o trem de aquecimento; o ácido é adicionado em uma concentração de 0,2% a 12%, em peso, de ácido com base no peso da carga de alimentação inicial. Uma suspensão de carga de alimentação acidificada, aquecida, é assim produzida. A suspensão de carga de alimentação acidificada, aquecida, é escoada através de um reator de pré-tratamento, em uma temperatura de 1 60°C a 280°C, durante um tempo suficiente para aumentar a conversão de celulose na carga de alimentação para glicose, usando enzimas celulase. Após a suspensão deixar o reator de pré-tratamento, ela é resfriada usando dois, ou mais do que dois, estágios de vaporização instantânea em pressões sucessivamente mais baixas, sem aumentar a pressão de vapor após a vaporização instantânea. A energia de vapor, na ou próximo à pressão de vaporização instantânea, a partir de dois ou mais do que dois dos estágios de vaporização instantânea, é usada para aquecer a suspensão de carga de alimentação no trem de aquecimento.
BRPI0516755-8A 2004-09-30 2005-09-30 processo contìnuo para o pré-tratamento de uma carga de alimentação lignocelulósica BRPI0516755A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61470004P 2004-09-30 2004-09-30
PCT/CA2005/001493 WO2006034590A1 (en) 2004-09-30 2005-09-30 Continuous flowing pre-treatment system with steam recovery

Publications (1)

Publication Number Publication Date
BRPI0516755A true BRPI0516755A (pt) 2008-09-16

Family

ID=36118548

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0516755-8A BRPI0516755A (pt) 2004-09-30 2005-09-30 processo contìnuo para o pré-tratamento de uma carga de alimentação lignocelulósica

Country Status (9)

Country Link
US (1) US8017820B2 (pt)
EP (1) EP1793944A4 (pt)
JP (1) JP2008514207A (pt)
CN (1) CN101035632B (pt)
AU (1) AU2005289333B2 (pt)
BR (1) BRPI0516755A (pt)
CA (1) CA2580226C (pt)
UA (1) UA86840C2 (pt)
WO (1) WO2006034590A1 (pt)

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Also Published As

Publication number Publication date
UA86840C2 (ru) 2009-05-25
CA2580226A1 (en) 2006-04-06
CN101035632A (zh) 2007-09-12
JP2008514207A (ja) 2008-05-08
AU2005289333B2 (en) 2010-12-09
US8017820B2 (en) 2011-09-13
US20080064906A1 (en) 2008-03-13
WO2006034590A1 (en) 2006-04-06
EP1793944A1 (en) 2007-06-13
CA2580226C (en) 2013-01-29
CN101035632B (zh) 2011-06-08
AU2005289333A1 (en) 2006-04-06
EP1793944A4 (en) 2011-12-07

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