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WO1990010748A1 - Preparation de cellulose et fermentation de produits nutritifs provenant de la biomasse de plantes entieres a rythme annuel, de preference des cereales - Google Patents

Preparation de cellulose et fermentation de produits nutritifs provenant de la biomasse de plantes entieres a rythme annuel, de preference des cereales Download PDF

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Publication number
WO1990010748A1
WO1990010748A1 PCT/SE1990/000169 SE9000169W WO9010748A1 WO 1990010748 A1 WO1990010748 A1 WO 1990010748A1 SE 9000169 W SE9000169 W SE 9000169W WO 9010748 A1 WO9010748 A1 WO 9010748A1
Authority
WO
WIPO (PCT)
Prior art keywords
cellulose
biomass
process according
whole
slurry
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.)
Ceased
Application number
PCT/SE1990/000169
Other languages
English (en)
Inventor
Ernst Conrad
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO1990010748A1 publication Critical patent/WO1990010748A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting 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
    • 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
    • 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

Definitions

  • the present invention relates to a reduction of the environ- mental problems described as well as energy costs by working with another raw material, running the process at a low tem ⁇ perature, a low pressure and a small consumption of chemicals.
  • the whole biomass is used.
  • the whole biomass of for example wheat, rye, barley can be divided into a straw part (the straw with its stem, leaves and husks) and a grain part (the grain with the core ) .
  • the straw part is then present as main raw material for the cellulose recovery.
  • the grain part as a main component for the recovery of a nutrient solution, al ⁇ ternatively for the fermentation of alcohols.
  • the embodiment of the invention is described in the flow diagram of appendix 1 and 2.
  • cellulose is used as a collective name for a number of components of the compo ⁇ sition of the biomass.
  • the husk fraction is part of this name.
  • the composition of the raw materials is evident from the appendix 3.
  • the process is controlled by addition of aLkali, temperature, and reaction time.
  • alkali known hydroxides of primari ly Na and Ca are used, alone or in combination.
  • Ca(0H) ? has turned out to be favourable at the returning to the farming land.
  • Purification and recovery of Na, respectively can be made in any method known from the cellulose technique.
  • the tempera- ture can be varied within wide limits from 20 C to close to the boiling point, 95 C.
  • the reaction time is dependent on the ad ⁇ dition of alkali and temperature.
  • the process is controlled and run using known technique from the cellulose industry.
  • pH is determined e lect rometri ca I ly di rect in a test sample of the slurry at 20 C, Ac is determined as used, and added alkali, respectively.
  • 10 g of filtrated slurry is di luted to about 100 ml and is titrated using 1/10 N HCl to pH 8.5 (phenoIphta le- ine) .
  • rTS is detei— mined refracto et r ca I ly using a ABBE refract romete r for the sugar industry., Brix is connected to refraction index and gives directly %TS (dry matter contents) in a sugar solution.
  • the raw material consists of field harvested crop whole biomass of wheat consisting of 50 % by weight of straw mass and 50 % by weight of grain mass. The variation is normally + ⁇ 10%.
  • field har ⁇ vested biomass has been threshed and fractionated in a pure straw part and a pure grain part. The fractions are then used together in the weight relationship 50:50. Grinding of the fractions has been made on a hammer mill using 2 mm sieve ope ⁇ nings .
  • 300 g of biomass 150 g of straw and 150 g of grain part
  • the pH of the slurry is adjusted to pH about 7 using calcium hydroxide solution.
  • 0.25 g of a Ifa-amy lase , Termamyl , 0.25 g of a protease, Neut- rase , and 0.5 g of a combination enzyme SP 342 comprising cel- lulase, gluconase, hemicellulae and protease are added. All the enzymes are manufactured by N0V0, Copenhagen, DK.
  • the slurry is heated to 50 C for 2 hrs.
  • the temperature is raised to 95°C for 1 hr and is then cooled to 65 C. pH is adjusted to about 4.5 using 4 g of phosphoric acid. Then 0.4 g of amy log luc os i dase (N0V0) are added.
  • the solution is being completely saccharified for 16 hrs, whereupon -the enzymes present are inactivated by raising the temperature to 95 C.
  • the slurry is cooled and is separated into one solid and one liquid phase in a screen cent ⁇ rifuge.
  • the solid phase, the fibres, are washed with water. Yield 2,200 g of liquid phase having a 5% DS and 2,200 g of washing solution having a 0.3% DS (return solution for the next production cycle) .
  • Yield of syrup 2,200 g x 5,3 DS.
  • Yield of fibres 580 g of moist material from the straw and grain parts, which is fed to the ce I lu Lose /paperp roduct i on .
  • the amount of fibre obtained, 580 g, is fed into 2,200 g of water and 40 g of Ca(0H) .
  • the slurry is kept at 90-95°C for about 6 hrs, the a stabi lization of the pH and Ac have been obtained.
  • the slurry is adjusted to the original 3,170 g.
  • Solid and liquid phases are separated in a screen centrifuge.
  • the fibres are washed using water, and the wash water is returned to a new cycle together with the process liquid having been separated off.
  • the a I ka I i -fibres having been washed are ground using 2 I of water, are neutralized to pH 6.5 • * using phosphoric acid.
  • the slurry is diluted to 5 I.
  • the pulp is drawn off on a wi re cloth and is washed.
  • the cake is dried for 12 hrs at 75°C. Yield: 126 g DS paper pulp.
  • the amount of biomass 300 g can be complemented with a further 150
  • Example A In order to determine the contribution of the single components in the yield of alcohol, and cellulose-paper, respectively, of the end product a separate processing of wheat grains only, and straw only, respectively been made according to the following.
  • SP 342 comprising cellulase, hem i ce 11 u lase , gluconase, and protease are added.
  • the slurry is heated to 50 C for 2 hrs, whereupon the temperature is raised to 95 C for 1 hr and is then cooled to 65°C.
  • the weight is adjusted to 3,300 g and pH is adjusted to 4.5 using 4 g of phosphoric acid.
  • 0.4 g of amylog lucos i dase are added and complete sac chari fi cati on took place for 16 hrs.
  • the slurry was kept at 20 to 22 C for 12 hrs when a stabilization had been obtained.
  • the fi ⁇ bres were ground with 2000 g of water and were neutralized us- ng 5 g of phosphoric acid to pH 6.5.
  • the slurry was di luted to 5 I and was drained on a wire screen. The cake was washed.
  • the whole biomass consisted of 50% by weight of straw, and 50 % by weight of grain. Water content 31%. 100 g of biomass were placed in tight plastic bags and calcium oxide powder was added and mixed into it as a pulverulent skin. The bags were flatten ⁇ ed and well closed. 3 samples of each mixture were stored in a dark heating cabinet at the temperatures given.
  • Test 1 Nutrient solution + paper with Ca(0H)_ Test 2: Alcohol + paper with NaOH Test 3: Alcohol with SP 342 + paper with NaOH Test 4: Straw only + paper with NaOH
  • Test 5 Preparation of return paper fibres from wood cellulose from paper mi ll

Landscapes

  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Microbiology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biotechnology (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)

Abstract

L'invention concerne un procédé permettant la fabrication d'un produit contenant de la cellulose, consistant à traiter à l'aide d'un alcali la biomasse entière provenant de plantes productrices de cellulose, à rythme annuel, notamment des céréales.
PCT/SE1990/000169 1989-03-16 1990-03-16 Preparation de cellulose et fermentation de produits nutritifs provenant de la biomasse de plantes entieres a rythme annuel, de preference des cereales Ceased WO1990010748A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8900940A SE8900940D0 (sv) 1989-03-16 1989-03-16 Framstaellning av cellulosa och jaesningsprodukter ur hela eller delar av aarsvaexters biomassa foeretraedesvis cerealier
SE8900940-1 1989-03-16

Publications (1)

Publication Number Publication Date
WO1990010748A1 true WO1990010748A1 (fr) 1990-09-20

Family

ID=20375370

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1990/000169 Ceased WO1990010748A1 (fr) 1989-03-16 1990-03-16 Preparation de cellulose et fermentation de produits nutritifs provenant de la biomasse de plantes entieres a rythme annuel, de preference des cereales

Country Status (3)

Country Link
AU (1) AU5341190A (fr)
SE (1) SE8900940D0 (fr)
WO (1) WO1990010748A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004041995A1 (fr) * 2002-11-01 2004-05-21 The Texas A & M University System Procedes et systemes de pretraitement et de traitement de biomasse
WO2010106475A2 (fr) 2009-03-20 2010-09-23 Bio-Energy Ingredients Limited Procédé de réduction du taux de dégradation d'un matériau biologique
US8262853B2 (en) 2002-11-01 2012-09-11 The Texas A&M University System Methods for pretreatment and processing of biomass

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5231017A (en) * 1991-05-17 1993-07-27 Solvay Enzymes, Inc. Process for producing ethanol

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE137176C1 (fr) *
GB312634A (en) * 1928-05-29 1930-03-27 Euromerican Cellulose Products Improvements in treating cellulose material
GB834006A (en) * 1956-05-24 1960-05-04 British Paper And Board Indust Improvements in or relating to the pulping of cellulosic material
SE430792B (sv) * 1974-09-20 1983-12-12 Bio Research Center Co Sett att tillverka alkohol ur cellulosamaterial genom samtidig inverkan av cellulas och en alkoholproducerande mikroorganism
DE3225074A1 (de) * 1982-07-05 1984-01-12 Josef Erne & Co, Rohrbogenwerk, 6824 Schlins Verfahren und vorrichtung zur abtrennung der hemicellulose und des lignins von cellulose in lignocellulosischen pflanzenmaterialien, zur gewinnung von cellulose, gegebenenfalls zuckern und gegebenenfalls loeslichem lignin

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE137176C1 (fr) *
GB312634A (en) * 1928-05-29 1930-03-27 Euromerican Cellulose Products Improvements in treating cellulose material
GB834006A (en) * 1956-05-24 1960-05-04 British Paper And Board Indust Improvements in or relating to the pulping of cellulosic material
SE430792B (sv) * 1974-09-20 1983-12-12 Bio Research Center Co Sett att tillverka alkohol ur cellulosamaterial genom samtidig inverkan av cellulas och en alkoholproducerande mikroorganism
DE3225074A1 (de) * 1982-07-05 1984-01-12 Josef Erne & Co, Rohrbogenwerk, 6824 Schlins Verfahren und vorrichtung zur abtrennung der hemicellulose und des lignins von cellulose in lignocellulosischen pflanzenmaterialien, zur gewinnung von cellulose, gegebenenfalls zuckern und gegebenenfalls loeslichem lignin

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004041995A1 (fr) * 2002-11-01 2004-05-21 The Texas A & M University System Procedes et systemes de pretraitement et de traitement de biomasse
US8262853B2 (en) 2002-11-01 2012-09-11 The Texas A&M University System Methods for pretreatment and processing of biomass
WO2010106475A2 (fr) 2009-03-20 2010-09-23 Bio-Energy Ingredients Limited Procédé de réduction du taux de dégradation d'un matériau biologique
WO2010106475A3 (fr) * 2009-03-20 2010-11-18 Bio-Energy Ingredients Limited Procédé de réduction du taux de dégradation d'un matériau biologique
AU2010224562B2 (en) * 2009-03-20 2013-04-04 Bio-Energy Ingredients Limited A method of reducing the rate of degradation of a biological material

Also Published As

Publication number Publication date
SE8900940D0 (sv) 1989-03-16
AU5341190A (en) 1990-10-09

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