EP2240592A2 - Procédé de production de bioéthanol optimisé matériellement et énergétiquement - Google Patents

Procédé de production de bioéthanol optimisé matériellement et énergétiquement

Info

Publication number
EP2240592A2
EP2240592A2 EP09701508A EP09701508A EP2240592A2 EP 2240592 A2 EP2240592 A2 EP 2240592A2 EP 09701508 A EP09701508 A EP 09701508A EP 09701508 A EP09701508 A EP 09701508A EP 2240592 A2 EP2240592 A2 EP 2240592A2
Authority
EP
European Patent Office
Prior art keywords
lignocellulose
biomass
production line
distillation
processing
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP09701508A
Other languages
German (de)
English (en)
Inventor
Wolfgang Ranfft
Werner Koschuh
Jose Neto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Desmet Ballestra Ethanol GmbH
Original Assignee
Desmet Ballestra Ethanol GmbH
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 Desmet Ballestra Ethanol GmbH filed Critical Desmet Ballestra Ethanol GmbH
Publication of EP2240592A2 publication Critical patent/EP2240592A2/fr
Withdrawn legal-status Critical Current

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
    • 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
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M21/00—Bioreactors or fermenters specially adapted for specific uses
    • C12M21/04—Bioreactors or fermenters specially adapted for specific uses for producing gas, e.g. biogas
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M21/00—Bioreactors or fermenters specially adapted for specific uses
    • C12M21/12—Bioreactors or fermenters specially adapted for specific uses for producing fuels or solvents
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M43/00—Combinations of bioreactors or fermenters with other apparatus
    • C12M43/02—Bioreactors or fermenters combined with devices for liquid fuel extraction; Biorefineries
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
    • C12M47/00—Means for after-treatment of the produced biomass or of the fermentation or metabolic products, e.g. storage of biomass
    • C12M47/14—Drying
    • 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
    • C12P5/00—Preparation of hydrocarbons or halogenated hydrocarbons
    • C12P5/02—Preparation of hydrocarbons or halogenated hydrocarbons acyclic
    • C12P5/023—Methane
    • 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
    • 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

Definitions

  • Raw materials for bioethanol production basically represent all plants that contain a correspondingly high content of fermentable substances.
  • WO 1098041646 A1 mentions a process for utilizing biomass from agricultural crops, which is comminuted and compressed and separated into a low-solids phase and a solids-rich phase, the high-solids phase being treated with steam in overpressure.
  • the final product is ethanol, pulp and biogas.
  • carbonaceous material is to be converted into ethanol by a continuous hydrothermal treatment and without the addition of chemicals.
  • the resulting liquid and fiber fractions should be separated after this pretreatment. It is stated that the final product is fuel ethanol, animal feed and electricity or electricity.
  • the first solution of the problem comprises according to the invention a method for processing of grain and lignocellulose to bioethanol in a production line for grain and at the same time the production line for lignocellulose up to the saccharification stage and a specific fermentation depending on the biomass used is operated and then the streams into one common distillation and dehydration step.
  • the biogas can be used for power generation and the use of electricity in the vicinity or the production lines or mixed with the natural gas or city gas via a low-pressure gas distribution network.
  • the process of the invention is preferably carried out so that the lignocellulose is digested in the hydrolysis step so that the hydrolyzed mass has a largely neutral pH, preferably in the range of pH 5 to 7 by dispensing with the addition of acids or alkalis.
  • the process makes it possible to feed the two co-operating bioethanol plants with variable amounts of cereals and lignocellulose-containing biomasses, the proportion of lignocellulose, based on the amount of cereal used, being from 1 to a maximum of 50% by weight. So it can, for example, deliver the grain and straw at the same job site of cereal farmers. On the other hand, any lignocellulosic biomass can be processed.
  • the device according to the invention is designed so that both lines are coupled to a biogas plant for receiving vinasse from the distillation device and liquid phases from one of the hydrolyzing device for lignocellulose downstream separation device for solids and liquids.
  • the invention is best illustrated by comparing the state of the art in widespread manufacturing processes for the recovery of ethanol from lignocellulose and from cereals, respectively, and contrasting them with the present inventive concept, described by means of diagrams of the production process.
  • Figure 1 shows a biomass process developed by the "National Renewable Energy Laboratory, USA”: combination of steam pretreatment and mild acid hydrolysis of the hemicellulose fraction followed by enzymatic hydrolysis of the cellulose, with cellulose hydrolysis and fermentation of xylose and glucose monomers proceeding therein Fermentation organism is the genetically modified bacterium Zymomonas mobilis.
  • Fig. 2 shows a biomass process developed by "BC International Corporation, Canada”: two-stage acid hydrolysis (first stage releases hemicellulose sugar, second stage cellulose-sugar),
  • Figure 3 shows a biomass process developed by "Logen Corporation, Canada”: steam digestion with dilute acid for the release of the hemicellulose sugars and subsequent hydrolysis of the cellulose.
  • the alcohol is separated (distillation) and further concentrated (dewatering) for
  • Figure 5 shows the invention with the simultaneously and at one site operated in parallel plants for ethanol production from grain (upper part of the figure) or lignocellulose (lower part of the figure) and their linkage of the invention in a schematic process plan, which roughly divides the individual treatment stages.
  • Wheat, corn, rye, triticale, barley, or sugar-containing raw materials such as sugar beet, potatoes, molasses, etc. can be used as the raw material.
  • Cereal straw, wood, grass, bagasse, waste paper, green waste, etc. are used as raw materials containing lignocellulose.
  • a farmer growing energy crops can supply both the threshed grain and the straw (fresh cornhoppers).
  • the grain here for example triticale, with the highest possible starch and low protein content is first ground in a grinder. Depending on the raw material, the grain is reduced to, for example, a particle size of less than 1 mm. In contrast to the prior art, bran accumulating here is not screened out.
  • the fermentation stage the fermentable sugar is converted into ethanol and carbon dioxide by adding yeast.
  • This process lasts for 12-50 hours and provides a final ethanol concentration of, for example, 5.0-13.0, preferably in the range of about 4-19, weight percent.
  • Parallel to the anaerobic fermentation a partial flow of the yeast is aerated aerobically in a side stream of another container, so that sufficient Hefezellsubstanz is formed. Thereafter, the biomass is conveyed to a distillation device.
  • the abandoned biomass for example, straw, is using mills and
  • Shredders shredded to a particle size of 0.5 - 10 cm.
  • the shredded straw is suspended in a reactor by addition of water in a suspension, then by means of direct steam, without addition of chemicals and alkalis or acids, heated to 160-220 ° C, in
  • the lignocellulose is digested in the hydrolysis step so that the hydrolyzed mass has a largely neutral pH, preferably in the range of pH 5 to 7.
  • acids are released, which cause a slight pH drop, but should not and will not leave the said pH range.
  • the mass is cooled to the desired saccharification temperature in two flash vessels connected in series.
  • the steam thus obtained is used, for example, in the grain-based plant part as shown by a dashed arrow in FIG. 5.
  • the use of the extracted steam elsewhere in this plant and in the grain line is also considered to be inventive.
  • the saccharification is achieved by adding commercial cellulases.
  • the residence time of about 48 h at the predeterminable temperature of about 40-60 ° C, depending on the type of enzyme used.
  • the cellulose is enzymatically degraded into glucose monomers.
  • the following process step is the fermentation; After saccharification, a standard Saccharomyces fermentation is carried out at 30-40 ° C, which ends in a final ethanol concentration of, for example, about 5% by volume. Specifically, because of the frequent rejection of genetically modified biofuels, no genetically modified material or microorganisms suitable for this purpose should be used here.
  • the ethanol- ⁇ / vasergic mixture obtained is then concentrated in a rectification device to about 90 wt .-% ethanol.
  • the solution is further concentrated to at least 99.0% by volume of ethanol by means of a further dewatering treatment, for example an entrainer distillation or by molecular sieve technologies or pervaporation.
  • the so-called vinasse is taken off at the bottom of the mash column and fed to the biogas plant.
  • the entire vinasse in the biogas plant is reacted with the hemicellulosic liquid phase from the lignocellulosic line into biogas.
  • the resulting biogas will then continue to be used to generate electricity.
  • the process from the biogas production can - as is well known - so discharged or be fed to another, aerobic treatment.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Sustainable Development (AREA)
  • Biomedical Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

L'invention concerne un procédé amélioré plus économique et un dispositif correspondant pour la production de bioéthanol à partir de céréales et de biomasses contenant de la lignocellulose. Dans ledit dispositif, une ligne de production à partir de céréales et une ligne de production à partir de lignocellulose, fonctionnant simultanément, sont exploitées jusqu'à l'étape de saccharification et jusqu'à une fermentation spécifique, en fonction de la biomasse employée, et les flux de matériau sont ensuite guidés dans une étape de distillation et de déshydratation commune.
EP09701508A 2008-01-17 2009-01-19 Procédé de production de bioéthanol optimisé matériellement et énergétiquement Withdrawn EP2240592A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008004971A DE102008004971A1 (de) 2008-01-17 2008-01-17 Stofflich und energetisch optimierter Bioethanolherstellungsprozess
PCT/EP2009/050537 WO2009090260A2 (fr) 2008-01-17 2009-01-19 Procédé de production de bioéthanol optimisé matériellement et énergétiquement

Publications (1)

Publication Number Publication Date
EP2240592A2 true EP2240592A2 (fr) 2010-10-20

Family

ID=40794218

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09701508A Withdrawn EP2240592A2 (fr) 2008-01-17 2009-01-19 Procédé de production de bioéthanol optimisé matériellement et énergétiquement

Country Status (3)

Country Link
EP (1) EP2240592A2 (fr)
DE (1) DE102008004971A1 (fr)
WO (1) WO2009090260A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012112898A1 (de) 2012-12-21 2014-06-26 Verbio Vereinigte Bioenergie Ag Verfahren und Anlage zur Herstellung von Biogas aus lignocellulosehaltiger Biomasse

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
EP0105937B1 (fr) 1982-10-04 1987-11-19 Baron Howard Steven Strouth Procédé de production d'alcool à partir de matériaux lignocellulosiques
DE3428661A1 (de) 1983-08-09 1985-03-07 Krupp Industrietechnik GmbH Werk Buckau Wolf, 4048 Grevenbroich Verfahren zur hydrolyse von lignocellulosehaltiger biomasse
IT1211714B (it) 1987-08-12 1989-11-03 Technipetrol Spa Procedimento, apparato e relativo metodo di funzionamento per la produzione di etanolo da cereali con processo continuo
WO1994008027A1 (fr) * 1992-09-28 1994-04-14 Midwest Research Institute Fermentation de cellulose et d'hemicellulose dans la fibre de mais et grains seches dans des distillateurs avec des solubles pour obtenir de l'ethanol
CA2283800A1 (fr) 1997-03-18 1998-09-24 Stefan Grass Procede de valorisation d'une biomasse vegetale et presse a vis pour la mise en oeuvre de ce procede
CA2400336C (fr) 2000-02-17 2010-04-27 Forskningscenter Riso Procede de traitement de matiere lignocellulosique
AU2002346656A1 (en) 2001-12-06 2003-06-23 Prodigene, Inc. Methods for the cost-effective saccharification of lignocellulosic biomass
US20040023349A1 (en) * 2002-06-13 2004-02-05 Novozymes A/S Processes for making ethanol
WO2004046333A2 (fr) 2002-11-15 2004-06-03 Novozymes North America, Inc. Production d'ethanol par saccharification et fermentation simultanees (ssf)
US7488390B2 (en) * 2003-03-25 2009-02-10 Langhauser Associates, Inc. Corn and fiber refining
DE10327954C5 (de) * 2003-06-20 2008-06-26 Wilkening, Carl Ludwig, Dr. Verbesserte Verfahren zur Herstellung von Ethanol und Methan aus Getreide
DE602004019993D1 (de) * 2004-08-31 2009-04-23 Biomass Technology Ltd Verfahren und vorrichtungen zur kontinuierlichen verarbeitung erneuerbarer rohstoffe
RU2432368C2 (ru) 2005-07-19 2011-10-27 Инбикон А/С Способ превращения целлюлозного материала в этанол
WO2008004853A1 (fr) * 2006-07-03 2008-01-10 Hendriks Antonius Theodorus Wi Prétraitement de biomasse
BRPI0812427A2 (pt) * 2007-06-08 2014-12-30 Novozymes North America Inc Método para paroduzir um produto de fermentação de material contendo lignocelulose, e, processo para produzir um produto de fermentação de uma combinação de material contendo amido e material contendo lignocelulose.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
TAYLOR FRANK ET AL: "Kinetics of continuous fermentation and stripping of ethanol", BIOTECHNOLOGY LETTERS, vol. 20, no. 1, January 1998 (1998-01-01), pages 67 - 72, ISSN: 0141-5492 *

Also Published As

Publication number Publication date
WO2009090260A2 (fr) 2009-07-23
DE102008004971A1 (de) 2009-07-30
WO2009090260A3 (fr) 2009-10-29

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