BRPI0919856A2 - processo para a produção de álcool - Google Patents

processo para a produção de álcool

Info

Publication number
BRPI0919856A2
BRPI0919856A2 BRPI0919856A BRPI0919856A BRPI0919856A2 BR PI0919856 A2 BRPI0919856 A2 BR PI0919856A2 BR PI0919856 A BRPI0919856 A BR PI0919856A BR PI0919856 A BRPI0919856 A BR PI0919856A BR PI0919856 A2 BRPI0919856 A2 BR PI0919856A2
Authority
BR
Brazil
Prior art keywords
extraction solvent
produce
solution
aqueous acid
hydrolyzate
Prior art date
Application number
BRPI0919856A
Other languages
English (en)
Inventor
Ragnar Weydahl Karl
Original Assignee
Weyland As
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 Weyland As filed Critical Weyland As
Publication of BRPI0919856A2 publication Critical patent/BRPI0919856A2/pt

Links

Classifications

    • 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
    • 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)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Organic Chemistry (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)
  • Extraction Or Liquid Replacement (AREA)

Abstract

processo para a produção de álcool a presente invenção refere-se a um processo para produção de álcool a partir de um material celulósico, o referido processo compreendendo as etapas de: (i) hidrolisar o referido material celulósico com um ácido aquoso para produzir um hidrolisado; (ii) extrair ácido e água do referido hidrolisado com um solvente de extração orgânico miscível com água para produzir (a) uma primeira solução aquosa ácida contendo o referido solvente de extração e (b) um resíduo contendo açúcares; (iii) submeter o referido resíduo a uma reação de clivagem de oligossacarídeos para produzir uma solução aquosa de açúcares fermentáveis; (iv) fermentar os referidos açúcares fermentáveis e destilar álcool da mistura fermentada resultante; (v) evaporar o referido solvente de extração da referida primeira solução para produzir (a) uma segunda solução ácida aquosa contendo não mais de 1 0% em peso, preferivelmente não mais de 5% em peso, do referido solvente de extração e (b) solvente de extração gasoso; (vi) condensar o referido solvente de extração gasoso para reciclagem; e, opcionalmente, (vii) concentrar a referida segunda solução ácida aquosa para reciclagem; em que o referido solvente de extração é líquido na temperatura e pressão da etapa (ii), tem um ponto de ebulição de 25 a 60°c a uma pressão na faixa de o, 1 a 0,8 mpa (1 a 8 bar), e é tal que oligossacarídeos solúveis em água são precipitados da solução por sua adição na etapa (ii).
BRPI0919856A 2008-10-22 2009-10-02 processo para a produção de álcool BRPI0919856A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0819406.0A GB0819406D0 (en) 2008-10-22 2008-10-22 Process
PCT/GB2009/002349 WO2010046619A1 (en) 2008-10-22 2009-10-02 Process for the production of alcohol

Publications (1)

Publication Number Publication Date
BRPI0919856A2 true BRPI0919856A2 (pt) 2019-06-04

Family

ID=40097873

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0919856A BRPI0919856A2 (pt) 2008-10-22 2009-10-02 processo para a produção de álcool

Country Status (11)

Country Link
US (1) US8709769B2 (pt)
EP (1) EP2356261A1 (pt)
JP (1) JP2012506250A (pt)
CN (1) CN102203297A (pt)
AU (1) AU2009306177A1 (pt)
BR (1) BRPI0919856A2 (pt)
CA (1) CA2749100C (pt)
EA (1) EA020072B1 (pt)
GB (1) GB0819406D0 (pt)
WO (1) WO2010046619A1 (pt)
ZA (1) ZA201102728B (pt)

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GB0907879D0 (en) 2009-05-07 2009-06-24 Weyland As Process
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IL206678A0 (en) 2010-06-28 2010-12-30 Hcl Cleantech Ltd A method for the production of fermentable sugars
IL207329A0 (en) 2010-08-01 2010-12-30 Robert Jansen A method for refining a recycle extractant and for processing a lignocellulosic material and for the production of a carbohydrate composition
IL207945A0 (en) 2010-09-02 2010-12-30 Robert Jansen Method for the production of carbohydrates
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SG11201407183SA (en) 2012-05-03 2014-12-30 Virdia Ltd Methods for treating lignocellulosic materials
US9493851B2 (en) 2012-05-03 2016-11-15 Virdia, Inc. Methods for treating lignocellulosic materials
US9630894B2 (en) 2012-09-05 2017-04-25 Dynasep Inc. Energy efficient method and apparatus for the extraction of biomolecules from dilute aqueous solution
US9029615B2 (en) 2012-09-05 2015-05-12 Dynasep Inc. Energy efficient method and apparatus for the extraction of lower alcohols from dilute aqueous solution
US9850512B2 (en) 2013-03-15 2017-12-26 The Research Foundation For The State University Of New York Hydrolysis of cellulosic fines in primary clarified sludge of paper mills and the addition of a surfactant to increase the yield
US9297111B1 (en) 2013-03-15 2016-03-29 Domtar Paper Company, Llc Methods for the manufacture of cellulose nanocrystals
WO2015097445A1 (en) * 2013-12-24 2015-07-02 Weyland As A method for treating cellulosic material
US9790523B2 (en) 2014-03-04 2017-10-17 White Dog Labs, Inc. Energy efficient batch recycle method for the production of biomolecules
US9951363B2 (en) 2014-03-14 2018-04-24 The Research Foundation for the State University of New York College of Environmental Science and Forestry Enzymatic hydrolysis of old corrugated cardboard (OCC) fines from recycled linerboard mill waste rejects
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CA2985478A1 (en) 2015-05-27 2016-12-01 Virdia, Inc. Integrated methods for treating lignocellulosic material
US10781196B2 (en) 2016-08-17 2020-09-22 University Of Delaware Integrated process for direct saccharification and dehydration of intact biomass to furfurals

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Also Published As

Publication number Publication date
EA201100489A1 (ru) 2011-12-30
CA2749100C (en) 2018-02-27
US8709769B2 (en) 2014-04-29
WO2010046619A1 (en) 2010-04-29
ZA201102728B (en) 2012-07-25
GB0819406D0 (en) 2008-11-26
US20110294181A1 (en) 2011-12-01
AU2009306177A1 (en) 2010-04-29
CA2749100A1 (en) 2010-04-29
EP2356261A1 (en) 2011-08-17
CN102203297A (zh) 2011-09-28
JP2012506250A (ja) 2012-03-15
EA020072B1 (ru) 2014-08-29

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements