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34
results.
Updated on
30/08/2025 [06:46:00]
Absstract of: US2025269296A1
This disclosure describes energy efficient process to distill a process stream in a production facility. A process uses multiple effect evaporators, ranging from one evaporator to eight evaporators in each effect. The process arrangement shows an example of four effect evaporators, with a zero-effect evaporator having a single evaporator, a first-effect evaporator having a set of three evaporators, a second-effect evaporator having a set of three evaporators, and a third-effect evaporator having a set of evaporators to create condensed distillers solubles.
Absstract of: US2025270606A1
Systems and methods for producing carbohydrate (e.g., sugar) streams (and recycling enzymes) from a pretreated or untreated biomass such as cellulosic feedstock, including, for example, “brown stock” feedstock, or waste or recycled fiber sludge produced in the pulp and paper industry, such as for biochemical (e.g., biofuel) production, are provided. In one example, the system and method can produce high purity C6 (glucose and/or fructose) and/or C5 (xylose) sugar streams, and other carbohydrates and/or fibrous materials, from cellulosic feedstocks, such as brown stock or waste fiber sludge, that can be effectively converted into various biochemical products, such as ethanol.
Absstract of: US2025270597A1
Disclosed herein are genetically engineered yeast cells capable of producing lactate from sucrose. The genetically engineered yeast cells comprise a polynucleotide encoding an exogenous lactate dehydrogenase enzyme; a polynucleotide encoding an exogenous invertase enzyme; a deletion or disruption of a native pyruvate decarboxylase (PDC) gene; and a genetic modification resulting in overexpression of a native hexokinase gene.
Absstract of: US2025270496A1
The present invention relates to a method for the production of a fungal fermentation medium from at least one lignocellulosic material, preferably at least one industrial and/or agricultural side stream and to a fermentation medium obtainable accordingly, to a method for production of a fungal biomass by submerged fermentation of at least one fungal strain and to a fungal biomass obtainable accordingly, and to a fungal-based food product obtainable by using the instant fungal biomass of the invention. The instant fermentation medium produced preferably from spent grain is particularly useful in production of fungal biomass by submerged fermentation of Pleurotus pulmonarius, among others.
Absstract of: US2025270595A1
Described is a method for the production of isobutene from a carbon source characterized in that it comprises: (a) culturing a microorganism capable of producing 3-methylcrotonic acid from a carbon source in a liquid culture medium, thereby producing said 3-methylcrotonic acid so that it accumulates in the liquid culture medium; and (b) enzymatically converting said 3-methylcrotonic acid contained in the liquid culture medium obtained in step (a) into isobutene by: (i) incubating a microorganism expressing an FMN-dependent decarboxylase associated with an FMN prenyl transferase with said liquid culture medium containing 3-methylcrotonic acid obtained in step (a); and/or (ii) incubating an FMN-dependent decarboxylase associated with an FMN prenyl transferase with said liquid culture medium containing 3-methylcrotonic acid obtained in step (a); thereby producing said isobutene; and (c) recovering the produced isobutene.
Absstract of: EP4606809A2
Provided are compositions and processes concerning efficient downstream processing of products derived from organic acids pretreatment of plant materials.
Absstract of: US2025263755A1
The present invention relates to a process for enzymatic (trans)esterification/esterification of free fatty acids and glycerides. In particular, the invention relates to this process using a drying operation for water removal from enzyme reaction mixture continuously or by separating the glycerol phase from the reaction mixture, then drying the glycerol phase and recirculating to reform the reaction mixture, especially in biodiesel applications, which facilitates reduction of FFA in the biodiesel.
Absstract of: US2025262647A1
Sorting biogenic material from a stream of heterogeneous materials is disclosed, including: detecting biogenic material within an input stream of heterogeneous material; sorting the biogenic material based at least in part on a desired biochar formulation; and tracking a composition of a sorted mixture of biogenic material.
Absstract of: US2025263348A1
A method is provided for producing a biochar solution. The method comprises the steps of collecting biochar particles, dispersing the biochar particles in a liquid solution and adding a stabilizing agent to keep the biochar in flowable suspension. The stabilizing agent may be added to the liquid solution or to the biochar prior to placing the biochar in solution.
Absstract of: US2025263652A1
A method for contamination control when growing yeasts is provided. Bacterial contamination is controlled by using urea as the primary nitrogen source while simultaneously limiting the amount of nickel available to contaminating bacteria. Bacteria require nickel as a cofactor for urease enzymes in order to use urea for growth while yeasts do not require nickel as a cofactor for any enzymes. Nickel is limited by using titanium in plate heat exchangers instead of stainless steel. Ethyl carbamate is limited by using a carbon/nitrogen ratio that consumes all urea during fermentation and by separating co-products after fermentation and before distillation. Yeast recycling is performed by using either single-step or two-step centrifugation, without acid washing. This method enables yeast recycling with sugarcane ethanol and sugar beet ethanol production. This method also enables yeast recycling with corn ethanol and grain ethanol production with coproduct recovery after fermentation and before distillation.
Absstract of: US2025263756A1
The present disclosure concerns a symbiotic combination of host cells engineered to produce a first metabolic product, for example a carbohydrate, and to convert the second metabolic product into a second metabolic product, for example an alcohol.
Absstract of: EP4603575A1
Provided is Hyphomicrobium denitrificans MQ004-2, which was deposited at the China Center for Type Culture Collection on July 8, 2022, with an accession number of CCTCC NO: M20221066. The problems that a PQQ fermentation yield is not high, and the metabolic process of Hyphomicrobium denitrificans is unstable, which consequently makes it difficult to achieve large-scale production are solved. The strain has a high titer level, a stable titer level between batches, a small methanol consumption difference, and good strain metabolism stability and facilitates large-scale production.
Absstract of: CN120019186A
A conveyor (1) for pretreated biomass (4) wherein the conveyor (1) comprises: a cylindrical housing (2) comprising an inlet (5) for receiving pretreated biomass (4) and an outlet (6) from which pretreated biomass (4) is discharged from the cylindrical housing (2); and at least one shaftless screw (3, 3b) rotatably positioned in the cylindrical housing (2) to remove the pretreated biomass (4) from the cylindrical housing (2). The temperature in the cylindrical shell (2) ranges from 120 DEG C to 250 DEG C. Systems, uses, and methods are also disclosed.
Absstract of: US2025257527A1
Processes disclosed are capable of converting biomass into high-crystallinity nanocellulose with low mechanical energy input. In some variations, the process includes fractionating biomass with sulfur dioxide or a sulfite compound and water, to generate cellulose-rich solids and a liquid containing hemicellulose and lignin; and mechanically treating the cellulose-rich solids to form nanofibrils and/or nanocrystals. The total mechanical energy may be less than 500 kilowatt-hours per ton. The crystallinity of the nanocellulose material may be 80% or higher, translating into good reinforcing properties for composites. The nanocellulose material may include nanofibrillated cellulose, nanocrystalline cellulose, or both. In some embodiments, the nanocellulose material is hydrophobic via deposition of some lignin onto the cellulose surface. Optionally, sugars derived from amorphous cellulose and hemicellulose may be separately fermented, such as to monomers for various polymers. These polymers may be combined with the nanocellulose to form completely renewable composites.
Absstract of: US2025257014A1
The present invention provides for biochar coated particles and a method for coating the particles with biochar.
Absstract of: US2025256260A1
Highly mesoporous activated carbon products are disclosed with mesoporosities characterized by mesopore volumes of 0.7 to 1.0 cubic centimeters per gram or greater. Also disclosed are activated carbon products characterized by a Molasses Number of about 500 to 1000 or greater. Also disclosed are activated carbon products characterized by a Tannin Value of about 100 to 35 or less. The activated carbon products may be further characterized by total pore volumes of at least 0.85 cubic centimeters per gram and BET surface areas of at least about 800 square meters per gram. The activated carbon product may be derived from a renewable feedstock.
Absstract of: US2025257375A1
The present invention provides a process for producing fatty acid alkyl esters. The process comprises providing a substrate comprising triglycerides, diglycerides, monoglycerides, free fatty acids, or any combination thereof, and reacting the substrate with an enzyme composition comprising an sn-1,3 position lipase and an sn-2 position lipase to produce fatty acid alkyl esters.
Absstract of: US2025257371A1
The present invention provides a method for making ethanol and a protein feed or food product from a feedstock including starch, such as grain and grain-derived products, preferably combined with CO2 capture to increase yields further. The method facilitates a reduction in water usage compared to traditional ethanol plants, without affecting quality and quantity of the end products.
Absstract of: US2025257374A1
The invention described herein presents compositions and methods for a multistep biological and chemical process for the capture and conversion of carbon dioxide and/or other forms of inorganic carbon into organic chemicals including biofuels or other useful industrial, chemical, pharmaceutical, or biomass products. One or more process steps utilizes chemoautotrophic microorganisms to fix inorganic carbon into organic compounds through chemosynthesis. An additional feature described are process steps whereby electron donors used for the chemosynthetic fixation of carbon are generated by chemical or electrochemical means, or are produced from inorganic or waste sources. An additional feature described are process steps for recovery of useful chemicals produced by the carbon dioxide capture and conversion process, both from chemosynthetic reaction steps, as well as from non-biological reaction steps.
Absstract of: US2025257278A1
Processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Pyrolysis in the presence of an inert gas is employed to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu/lb, 13,000 Btu/lb, 14,000 Btu/lb, or 14,500 Btu/lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and/or strength that derive from the feedstock, heat rate, and additives.
Absstract of: US2025257277A1
Processes and systems for converting biomass into high-carbon biogenic reagents that are suitable for a variety of commercial applications. Pyrolysis in the presence of an inert gas is employed to generate hot pyrolyzed solids, condensable vapors, and non-condensable gases, followed by separation of vapors and gases, and cooling of the hot pyrolyzed solids in the presence of the inert gas. Additives may be introduced during processing or combined with the reagent, or both. The biogenic reagent may include at least 70 wt %, 80 wt %, 90 wt %, 95 wt %, or more total carbon on a dry basis. The biogenic reagent may have an energy content of at least 12,000 Btu/lb, 13,000 Btu/lb, 14,000 Btu/lb, or 14,500 Btu/lb on a dry basis. The biogenic reagent may be formed into fine powders, or structural objects. The structural objects may have a structure and/or strength that derive from the feedstock, heat rate, and additives.
Absstract of: CN120112618A
The present invention relates to biofuels and, more particularly, to biomass-based diesel from olefin oligomers. Diesel fuel having a cetane number of 49 or greater is prepared by blending hydrocarbons resulting from olefin oligomerization with renewable diesel, resulting in a blended fuel having a cloud point lower than the cloud point of the renewable diesel. Various aspects relate to an integrated process for lipid HDO and olefin oligomerization in which the propane byproduct of the lipid HDO is dehydrogenated to produce a vapor stream having propylene and hydrogen. The propylene is then oligomerized to an isoolefin, and the isoolefin is combined with the lipid feed for hydrogenation in the HDO reactor.
Absstract of: CN119998466A
The invention relates to a method for treating lignocellulosic biomass, comprising: a) a step of impregnating the biomass with a liquid to obtain an impregnated biomass, b) a step of cooking the impregnated biomass, optionally with steam explosion, to obtain a pretreated biomass, c) enzymatic hydrolysis of the pretreated biomass, a step of enzymatically hydrolyzing biomass in one or more sugar forms to obtain hydrolyzed biomass in one or more sugar forms, d) solid/liquid separation of the hydrolyzed biomass in one or more sugar forms or of the hydrolyzed biomass in one or more sugar forms subsequently treated in one or more other steps after the enzymatic hydrolysis step c), a step of separating the mash to obtain separated mash and unconverted solid residue, e) a step of recycling at least a portion of the unconverted solid residue to the step of steeping step a) and/or cooking step b).
Absstract of: US2025250499A1
A method for providing a fuel includes removing hydrogen sulfide and/or carbon dioxide from biogas to provide partially purified biogas, which is filled in a mobile storage system. The partially purified biogas is transported to a centralized processing facility, in the mobile storage system, by truck, rail, or ship. At the centralized processing the partially purified biogas is further processed, either to produce a fuel that is renewable or has renewable content, or to produce renewable natural gas, which is used to produce the fuel that is renewable or has renewable content.
Nº publicación: US2025250592A1 07/08/2025
Applicant:
GRANBIO INTELLECTUAL PROPERTY HOLDINGS LLC [US]
GranBio Intellectual Property Holdings, LLC
Absstract of: US2025250592A1
A low-cost process is provided to render lignocellulosic biomass accessible to cellulase enzymes, to produce fermentable sugars. Some variations provide a process to produce ethanol from lignocellulosic biomass (such as sugarcane bagasse or corn stover), comprising introducing a lignocellulosic biomass feedstock to a single-stage digestor; exposing the feedstock to a reaction solution comprising steam or liquid hot water within the digestor, to solubilize the hemicellulose in a liquid phase and to provide a cellulose-rich solid phase; refining the cellulose-rich solid phase, together with the liquid phase, in a mechanical refiner, thereby providing a mixture of refined cellulose-rich solids and the liquid phase; enzymatically hydrolyzing the mixture in a hydrolysis reactor with cellulase enzymes, to generate fermentable sugars; and fermenting the fermentable sugars to produce ethanol. Many alternative process configurations are described. The disclosed processes may be employed for other fermentation products.
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