WO2024192501A1 - Procédé de fractionnement de biomasse lignocellulosique produisant des produits carbonés biogéniques riches - Google Patents

Procédé de fractionnement de biomasse lignocellulosique produisant des produits carbonés biogéniques riches Download PDF

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WO2024192501A1
WO2024192501A1 PCT/CA2024/050302 CA2024050302W WO2024192501A1 WO 2024192501 A1 WO2024192501 A1 WO 2024192501A1 CA 2024050302 W CA2024050302 W CA 2024050302W WO 2024192501 A1 WO2024192501 A1 WO 2024192501A1
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liquid
fraction
wet
producing
lignocellulosic biomass
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Adrien RIZZI
Justin Dougherty
Abdellah CHAKER
Ivan RESTREPO
Mohammad Hassan ZAHEDI-NIAKI
Michel Chornet
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Crb Innovations Inc
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Crb Innovations Inc
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    • 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
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/002—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal in combination with oil conversion- or refining processes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/04—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by extraction
    • C10G1/047—Hot water or cold water extraction processes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G3/00—Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G3/00—Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids
    • C10G3/50—Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids in the presence of hydrogen, hydrogen donors or hydrogen generating compounds
    • 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
    • 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
    • C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
    • 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
    • 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
    • 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
    • C12P7/22—Preparation of oxygen-containing organic compounds containing a hydroxy group aromatic
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/14—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with steam or water
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2397/00—Characterised by the use of lignin-containing materials
    • C08J2397/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • 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
    • 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
    • C12P2203/00—Fermentation products obtained from optionally pretreated or hydrolyzed cellulosic or lignocellulosic material as the carbon source
    • 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

  • Lignocellulosic biomass being 100% biogenic, represent a desirable feedstock, and a CO2 source for conversion to diversified marketable bioproducts.
  • Lignocellulosic biomass brings to the market numerous common biomaterials (lumber, pulp fibers and particle boards), and biomass-derived chemicals produced by bio-catalytic and/or thermo-catalytic synthesis. Such biomass-derived chemicals will be, progressively, part of a new generation of sustainable products (plastics, composites, surfactants, etc.) incorporating biogenic carbon (from the lignocellulosic biomass) and/or recycled carbon (from postconsumer plastics today made from fossil-only feedstock.
  • Postconsumer biomass is available in populated areas of North-America, albeit in limited quantities, as low-cost shredded biomass-rich material from sorting centers. Mainly used for co-generation (via combustion with air to achieve complete oxidation of the feedstock) to produce heat and power in plants where contaminants can be handled conveniently in the flue gas. It can also be converted (via partial oxidation) into “producer gas” (an old terminology for low calorific value gas). Such “producer gas”, when derived from O2 1 steam - driven gasification is known as syngas. The syngas can be cleaned, conditioned, and further converted into synthesis gas (CO and H2) which, once free of contaminants, can be used as clean gaseous feedstock as developed by Enerkem Inc. which uses this route to produce e.g. methanol.
  • synthesis gas CO and H2
  • a fractionation process for producing biogenic carbon product comprising providing a lignocellulosic biomass feedstock; impregnating the lignocellulosic biomass feedstock with water producing an impregnated wet solid fraction after draining the free liquid, the latter is reused for the next impregnation step; raising the temperature of the impregnated wet solid fraction by adding steam producing steamed wet solids; adding water to said steamed wet solids to a ratio of liquid to solids below 25 obtaining a mixture of liquid and steamed wet solids; filtering the mixture of liquid and steamed wet solids producing an hydrolysate fraction and a wet solid fraction; concentrating the hydrolysate fraction to obtain a concentrated sugar solution; drying the wet solid fraction and mixing the dried wet solid fraction in an ethanol solution containing a mineral acid producing a slurry; heating the slurry and filtering the heated slurry producing a liquid phase, a solid
  • the lignocellulosic biomass feedstock is mechanically pretreated by debarking and chipping the biomass to produce a fraction of clean chips or shreds and a fraction of fines.
  • the fraction of clean chips or shreds are of a dimension of up to 50 mm and the fraction of fines are of a dimension of less than 6 mm. In an embodiment, the fines can be added to the clean chips or shreds.
  • the lignocellulosic biomass feedstock is between 6 mm and 50 mm in dimension.
  • the lignocellulosic biomass feedstock is impregnated at a temperature between 20 to 70°C.
  • the lignocellulosic biomass feedstock is impregnated with water at a weight ratio of the water to the solid below 12.
  • the pH of the lignocellulosic biomass feedstock and water is adjusted by the addition of an acid or base during the impregnating step.
  • the impregnated wet solid fraction is charged in a vessel for raising the temperature by adding steam.
  • the temperature of the impregnated wet solid fraction is raised up to 230°C for less than 5 mins.
  • the vessel is decompressed by discharging the steam and the mixture of liquid and steamed wet solids into a reservoir.
  • the mixture of liquid and steamed wet solids is maintained at a ratio of liquid to solids below 16 in the reservoir.
  • the discharged steam is further separated via a cyclonic device and condensed producing condensed water which is recycled.
  • the wet solid fraction is dried to a 5-10 wt% moisture.
  • the dried wet solid fraction is mixed in an ethanol solution comprising 0.25 M HCI.
  • the slurry is heated to a temperature of 180 to 220 °C.
  • the process described herein further comprises converting the hydrolysate or sugars into humins.
  • the humins are high calorific value feedstock for gasification and/or pyrolysis.
  • the humins are feedstock to derive hydrocarbon biofuels.
  • the hydrocarbons are in the naphtha, kerosene, and diesel ranges.
  • the process described herein further comprises converting the hydrolysate or sugars into bioethanol.
  • the process described herein further comprises converting the concentrated sugar solution into a substrate for protein growth
  • the process described herein further comprises converting the hydrolysate into a substrate for mycoprotein growth.
  • the process described herein further comprises converting the lignin oligomers and humins into biofuels by de-oxygenation and hydrocracking step.
  • biofuels are bionaphtha, biokerosene (known as SAF) or middle distillate (known as biodiesel).
  • the process described herein further comprises converting the lignin oligomers into a bio-aromatic feedstock.
  • the process described herein further comprises converting the cellulose-rich residue into renewable natural gas.
  • the process described herein further comprises converting the cellulose-rich residue into a feedstock suitable for protein growth.
  • At least 90 %, preferably 96.1% of the carbon present in the lignocellulosic biomass feedstock is recycled.
  • FIG. 1 illustrates a flow-chart diagram of the process described herein in accordance to an embodiment.
  • an energy self- sustaining process that can use any lignocellulosic biomass at its natural moisture content.
  • Lignocellulosic biomass feedstock can be forestry and/or agricultural (i.e. agroforestry) feedstocks or residues (i.e. waste materials) such as ICI (industrial, commercial, and institutional) wood biomass, or energy crops.
  • agricultural i.e. agroforestry
  • residues i.e. waste materials
  • ICI industrial, commercial, and institutional wood biomass
  • the process described herein has the option of not requiring the use of fossil fuel energy to provide the heat and power needed by the conversion process, and provides a mean to use available low-cost biomass that, economically, can compete with fossil alternatives.
  • the fractionation process described herein comprises providing a lignocellulosic biomass feedstock; impregnating the lignocellulosic biomass feedstock with water, an acid and/or a base producing an impregnated wet solid fraction after draining the liquid; raising the temperature of the impregnated wet solid fraction by adding steam producing steamed wet solids; adding said steamed wet solids to a ratio of liquid to solids below 25, preferably below 12, obtaining a mixture of liquid and steamed wet solids; filtering the mixture of liquid and steamed wet solids producing an hydrolysate fraction and a wet solid fraction (ligno-cellulose); concentrating the hydrolysate fraction to obtain a concentrated sugar solution (hemicellulose-rich) which can be upgraded to humins or fermented to ethanol or used as a substrate for fungal protein growth or upgraded to renewable natural-gas (RNG); drying the wet solid fraction and mixing the dried wet solid fraction in an ethanol solution or other
  • Sugars from hemicelluloses and from cellulose are upgraded into humins using a thermal dehydration treatment followed by a filtration step.
  • sugars can be purified for fermentation into bioethanol, and a residual substrate for microbial protein production, or purified and upgraded for RNG production.
  • the process 10 described herein comprises a first step 12 of impregnating a lignocellulosic biomass feedstock F with water followed by a steam treatment 14.
  • the lignocellulosic biomass feedstock can be e.g., but not limited to, pretreated first by debarking and chipping the biomass to produce a first fraction comprising clean chips or shreds and a second fraction comprising bark and fines of smaller sizes.
  • said first fraction has as characteristic dimension of up to 50 mm.
  • the second fraction of bark and fines is smaller in size, such as e.g. ⁇ 6 mm.
  • Debarking and chipping of the biomass produces a fraction of clean chips or shreds having as characteristic dimension, up to 50 mm; and a second fraction of bark and fines (the latter ⁇ 6 mm).
  • the lignocellulosic biomass feedstock F once harvested, is reduced in size to the required dimensions for effective heat and mass transfer. Typically, a range comprised between 6 mm and 50 mm is targeted. Such size reduction can be done at the forest or plantation roads or at a “biomass preparation room” of a conversion plant.
  • the temperature can be between 20 to 70°C with water whose pH can be controlled in an embodiment at 0.30 to 1.00 wt% by the addition of e.g., but not limited to, sulfuric acid. Other mineral acids are also encompassed. As encompassed herein, acid and bases can be added depending on the feedstock constitution.
  • the weight ratio of the water phase to the solids (dry basis) is kept at, or below, 12.
  • the impregnation step 12 can be conducted in a reservoir. In an embodiment, simple reservoirs operating in batch mode (for the biomass) can saturate the chips with the aqueous fraction at the desired acid concentration. An impregnated wet fraction can be recovered after draining the liquid. The latter is reused for subsequent impregnations. A purge is sent to a wastewater treatment plant when needed.
  • Decompression 16 in the vessel is accomplished by e.g. opening a valve, preferentially a ball valve, located at the exit of the bottom section of the vessel.
  • Decompression 16 is essentially instant as the wet solids WS or steamed wet solids, and the steam S are discharged out of the vessel via a conduit that brings them into a reservoir where the entrained solids plunge 18 and stay into a volume of water.
  • Excess steam, now near atmospheric pressure, is separated via a cyclonic device 20 and condensed in a separate vessel. The condensed water is reused after filtration of the entrained solids.
  • the liquid plus the plunged solids go to a filter press 22 where the separation of the liquid phase, the “hydrolysate” H, containing the solubilized hemicelluloses or sugars, and the “wet solids” (i.e., the wet lignocellulose WL) is carried out.
  • Liquid can be reused (with some addition of water (fresh or condensed) to maintain the liquid-to-solid ratio at about 10 - 12 for a subsequent charge/discharge cycle.
  • a second filtration of a purge of liquid can be used to separate the fines that may be present. Such second filtration produces a clean filtered phase. Fines recovered are part of the “biomass residual fractions” that will eventually make the final biogenic residue, 100% biogenic, to be used once dried to less than 20 wt% moisture, for thermochemical conversion.
  • the filtered phase, the hydrolysate goes to a concentration section 24 that may comprise a reverse osmosis unit and/or a multiple effect evaporator.
  • Concentration of sugars in the liquid phase hydrolysate, yielding a first intermediate can be readily controlled and molasses having between 10 and 50 wt% sugars obtained.
  • the concentrated sugars solution SUG is the first bio-intermediate produced as provided herewith.
  • the solid cake are the lignin oligomers LO, the second bio-intermediate produced as provided herewith. Their yield is about 20 wt% of the initial biomass used.
  • the acid-impregnated cellulose-rich residue CS is the third biointermediate produced. It contains the insoluble lignin and thus, its calorific value is higher than that of cellulose.
  • the sugars concentrate SUG, biofuels and feedstock can be produced.
  • the 06 sugars can also be fermented to bio-ethanol. Only requirement is to proceed to a purification step.
  • the concentrated sugars (SUG) are preferentially dehydrated thermally under acidic conditions producing humins.
  • the humins structure, made of cyclic nuclei linked through linear -CH 2 - fragments is ideal for either catalytic hydroprocessing to hydrocarbons by adding hydrogen or as a high calorific biogenic feedstock for processes such as gasification or pyrolysis.
  • the concentrated sugars solution can also be used as prime substrates for mycoprotein growth.
  • the concentrated sugars solution can also be used as prime feedstocks for renewable natural gas production.
  • the second bio-intermediate, the lignin oligomers or bio-aromatics can be hydroprocessed, but not limited to, in two catalytic steps: a de-oxygenation step followed by a hydrocracking step to produce biofuels.
  • the marketable products are e.g. but not limited to, naphtha, kerosene and middle diesel distillate.
  • the lignin oligomers can also be converted into a bio-aromatic feedstock, suitable e.g. for a refinery cracker.
  • the third bio-intermediate, the cellulose-rich residue, after washing to remove the mineral acid can be used, but not limited, for the production of heat or renewable natural gas.
  • the third bio-intermediate, the cellulose-rich residue, after washing to remove the mineral acid can also be used as a substrate for mycoprotein growth.
  • -0.26 t hemicellulosic sugars which can be upgraded to humins, ethanol, or used a substrate for mycoprotein growth
  • -0.14 t lignin oligomers which can be converted to drop-in biofuels at a refinery hub
  • -0.47 t cellulose which is directly usable as defibrillated fiber (tissue market), can be depolymerized to C6 sugars and feed for fermentation or for conversion, and usable for anaerobic fermentation producing biogas from which bio-CH 4 and, ultimately “green H2” can be produced, or a substrate for mycoprotein production.
  • the process described herein allows for a “hub and spoke” approach. It is based on compact “regional satellite plants” deconstructing and fractionating regionally available sustainable biomass (20 - 60 ktonnes biomass/y, dry basis, per plant) into bio-intermediates. The latter are to be produced by a network of regional “satellite plants” or spokes and upgraded in established or new bio-fermentation and thermo-catalytic chemicals plants (hubs). The bio-intermediates can thus be transported or to various specialised plants (hubs) which will use the bio-intermediates and converting them into finished products.

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  • Processing Of Solid Wastes (AREA)

Abstract

L'invention concerne un procédé de fractionnement d'une charge d'alimentation de biomasse lignocellulosique produisant des produits carbonés biogéniques, comprenant l'imprégnation de la charge d'alimentation de biomasse lignocellulosique avec de l'eau, ce qui produit une fraction solide humide imprégnée après drainage du liquide ; l'élévation de la température de la fraction solide humide imprégnée par addition de vapeur, ce qui produit des solides humides cuits à la vapeur ; l'addition d'eau auxdits solides humides cuits à la vapeur à un rapport de liquide aux solides au-dessous de 16, ce qui permet d'obtenir un mélange de liquide et de solides humides cuits à la vapeur ; la filtration du mélange de liquide et de solides humides cuits à la vapeur , ce qui produit une fraction d'hydrolysat et une fraction solide humide ; la concentration de la fraction d'hydrolysat pour obtenir une solution de sucre concentrée qui peut être convertie en humines ; le séchage de la fraction solide humide et le mélange de la fraction solide humide séchée dans une solution d'éthanol contenant un acide minéral, ce qui produit une bouillie ; le chauffage de la bouillie et la filtration de la bouillie chauffée, ce qui produit une phase liquide, un gâteau solide contenant des oligomères de lignine aptes à être convertis en biocarburants et un résidu riche en cellulose imprégné d'acide.
PCT/CA2024/050302 2023-03-22 2024-03-13 Procédé de fractionnement de biomasse lignocellulosique produisant des produits carbonés biogéniques riches Ceased WO2024192501A1 (fr)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2701194A1 (fr) * 2009-04-23 2010-10-23 Greenfield Ethanol Inc. Separation de la cellulose reactive presente dans la biomasse lignocellulosique a haute teneur en lignine
WO2013096698A1 (fr) * 2011-12-22 2013-06-27 Xyleco, Inc. Traitement de matériaux de biomasse

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2701194A1 (fr) * 2009-04-23 2010-10-23 Greenfield Ethanol Inc. Separation de la cellulose reactive presente dans la biomasse lignocellulosique a haute teneur en lignine
WO2013096698A1 (fr) * 2011-12-22 2013-06-27 Xyleco, Inc. Traitement de matériaux de biomasse

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