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46
resultados
Última actualización
21/11/2025 [06:46:00]
Resumen de: EP4650418A1
The inhibition method of spontaneous heat generation in solid carbon resources includes adding a petroleum-based additive to solid carbon resources as a spontaneous heat generation inhibitor.
Resumen de: US2025346879A1
The present invention relates to alpha-amylase variants. The present invention also relates to polynucleotides encoding the variants; nucleic acid constructs, vectors, and host cells comprising the polynucleotides; and methods of using the variants.
Resumen de: US2025346823A1
A method for processing a lignocellulose biomass material with a moisture content below 10 weight-% and an ash content below 1.0 weight-% includes: adding an acid catalyst to the lignocellulose biomass material; after adding the acid catalyst, thermally treating the lignocellulose biomass material with steam at an elevated pressure and an elevated temperature in at least one reactor; discharging the lignocellulose biomass material and blow steam from the at least one reactor using a steam explosion discharge device; and forming pellets and/or briquettes from at least part of the discharged thermally treated lignocellulose biomass material.
Resumen de: US2025345823A1
Obtaining biogenic material from a stream of heterogeneous materials is disclosed, including: receiving an input stream of heterogeneous material; separating a sub-stream of at least biogenic material from the input stream of heterogeneous material using a screen; removing a set of non-biogenic material from the sub-stream of at least biogenic material based at least in part on density separation; and drying the sub-stream of at least biogenic material after removal of the set of non-biogenic material, wherein the sub-stream of at least biogenic material after removal of the set of non-biogenic material comprises biogenic material that is suitable to produce biochar.
Resumen de: US2025345759A1
A liquid dispersion device of the present invention includes at least one liquid flow member attachable to a rotary shaft. The liquid flow member includes at least one tubular suction portion extending along the rotary shaft and including a suction port at a lower end thereof, and at least one ejection portion extending in a direction inclined with respect to the suction portion and having one end that is in communication with an upper end of the suction portion and the other end that includes an ejection port. An angle θ2 between a horizontal direction and an axial direction of the ejection portion at an opening surface of the ejection port is −90°≤θ2≤20° with respect to the horizontal direction.
Resumen de: MX2025007746A
Described is a method for increasing the amounts of fermentable sugars in fermentation substrates by treatment with a combination of an enzyme having transglucosidase activity and an enzyme having glucoamylase activity to hydrolyze oligo and/or polysaccharides that are not conventionally hydrolyzed by glucoamylase alone during fermentation. The method is most effective using fermentation substrates containing low amounts of maltose and maltotriose.
Resumen de: US2025340913A1
The present application relates to methods of starch processing and the production of fermentation products, such as ethanol, the methods comprising the addition of a first and a second alpha-amylase and optionally the addition of proteases, glucoamylases and other enzymes.
Resumen de: US2025340673A1
Processes disclosed are capable of converting biomass into high-crystallinity nanocellulose with surprisingly low mechanical energy input. In some variations, the process includes fractionating biomass with an acid (such as sulfur dioxide), a solvent (such as ethanol), 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 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.
Resumen de: US2025340855A1
Disclosed are compositions and methods relating to variant maltohexaose-forming alpha-amylases. The variant alpha-amylases are useful, for example, for starch liquefaction and saccharification, for cleaning starchy stains in laundry, dishwashing, and other applications, for textile processing (e.g., desizing), in animal feed for improving digestibility, and for baking and brewing.
Resumen de: US2025340827A1
Described are compositions and methods relating to yeast cells having a genetic mutation that give rise to increased alcohol production. Such yeast is well-suited for use in alcohol production to reduce fermentation time and/or increase yields.
Resumen de: WO2025229800A1
Problem To provide a method for manufacturing a high carbide and a heat treatment device by which it is possible to obtain a high carbide. Solution A heat treatment device comprises: one or a plurality of kilns 10, 20, 30 that jet superheated steam or high-temperature combustion gas toward a treatment feedstock; exhaust ports 18, 28, 38 that discharge combustible gas generated in the kilns 10, 20, 30; a gas flow passage 70 through which the combustible gas discharged from the exhaust ports 18, 28, 38 circulates; and a recovery unit 60 that recovers the combustible gas that has circulated through the gas flow passage 70, the heat treatment device being provided with a tarring prevention furnace 80 that heats the combustible gas to a temperature of 400°C or higher in the gas flow passage 70.
Resumen de: US2025341054A1
The invention is directed to compositions and processes concerning efficient downstream processing of products derived from organic acids pretreatment of plant materials
Resumen de: WO2025228990A2
The present invention relates to a process that, by using as raw materials by-products from the agribusiness industry, such as waste biomass from the processing of food flours, enables chemical intermediates and protein hydrolysates with biostimulant action for plants to be produced from the polysaccharides and proteins present in such biomass.
Resumen de: EP4644560A2
Methods of using thermostable serine proteases are described herein.
Resumen de: EP4644540A1
Provided is an application of glucosyltransferase U8GT3 and/or poppy-derived tyrosine decarboxylase or a mutant thereof in the yeast synthesis of salidroside; further provided is an application of poppy-derived tyrosine decarboxylase or a mutant thereof in the yeast synthesis of tyrosol. The amino acid sequences of the poppy-derived tyrosine decarboxylase and the mutant thereof are respectively shown in SEQ ID NOs: 7-8, and the nucleotide sequences of the coding genes are respectively shown in SEQ ID NOs: 1-2; the amino acid sequence of the glucosyltransferase U8GT3 is shown in SEQ ID NO: 10, and the nucleotide sequence of the coding gene is shown in SEQ ID NO: 4.
Resumen de: EP4644558A1
The present invention provides a method for producing ethanol with an improved flow rate of permeation in membrane separation. More specifically, the present invention provides a method for producing ethanol from a lignocellulosic raw material, comprising a first step of performing saccharification and fermentation in a reaction system containing a lignocellulosic raw material, a saccharification enzyme, a yeast, and water, thereby producing ethanol; and a second step of treating, with a separation membrane, a first mixture containing the ethanol, water, the yeast, the saccharification enzyme, and a reaction residue of the lignocellulosic raw material, obtained in the first step, thereby obtaining a mixture containing the ethanol and water, and a second mixture containing the yeast, the saccharification enzyme, water, and the reaction residue of the lignocellulosic raw material; wherein the concentration of suspended solids in the first mixture is from 4 to 9.5% by mass.
Resumen de: WO2025222263A1
The invention relates to cereal ethanol and to a process for producing ethanol using wet cereal grains, such as corn, barley, rice, oats, rye and wheat, inter alia. The main objective of the process is to increase starch availability for the fermentation process, since it includes anaerobic storage phases of grains obtained directly from the harvest, followed by a maceration phase, thereby allowing alcoholic fermentation to occur naturally from the beginning of the process. This increases starch availability, enabling full utilization of the fermentation potential of the grains, lowering the pH, and allowing their preservation. An additional distinguishing feature is the possiblity of storing the grains after maceration for a period of up to three years, their also being immediately usable. Thus, it is not necessary to dry the grains obtained from the harvest for storage, and, for the production of ethanol using processes known in the art, they no longer need to be rehydrated at the beginning of the process, resulting in technical and environmental advantages due to the drastic reduction in water consumption during the process.
Resumen de: US2025333768A1
A recombinant yeast cell functionally expressing: a) a nucleic acid sequence encoding an enzyme having NADH-dependent nitrate reductase activity and/or a nucleic acid sequence encoding an enzyme having NADH-dependent nitrite reductase activity; and b) a nucleic acid sequence encoding a protein having transketolase activity (EC 2.2.1.1), wherein the expression of the nucleic acid sequence encoding the protein having transketolase activity is under control of a promoter (the “TKL promoter”), which TKL promoter has an anaerobic/aerobic expression ratio for the transketolase of 2 or more.
Resumen de: US2025331524A1
The present invention provides a yeast strain for fast-fermenting sugar-free dough and uses thereof. The Saccharomyces cerevisiae AMCC31248 strain (Saccharomyces cerevisiae AMCC31248) provided by the present invention is deposited at the China Center for Type Culture Collection (CCTCC) with the deposit number CCTCC NO: M 20211686. The strain of Saccharomyces cerevisiae AMCC31248 strain provided by the present invention has good fermentation performance in sugar-free dough and can ferment sugar-free dough rapidly.
Resumen de: US2025333661A1
A solid biomass fuel derived from one or more sources of biomass, wherein the one or more sources of biomass comprise: straw, palm-derived material, nut shells, hemp, bamboo, corn cob, rice husk, fruit shells, crop residues, seaweed, calliandra calothyrsus, acacia mangium, albizia chinensis, hevea brasiliensis, grass, or any combination thereof: wherein the solid biomass fuel further comprises one or more aluminosilicate-containing clays, one or more aluminosilicates, one or more pulverised fuel ashes, or a combination thereof.
Resumen de: US2025333308A1
A system for producing dry durable carbon from organic material and methods for making and using the same. The system can be configured for initiating a combustion reaction for a feedstock having a first portion being disposed within a zone of reaction of the combustion reaction and a second portion being disposed outside of the zone. A temperature of the combustion reaction can be increased to a predetermined temperature, and a gas pathway can be formed through the zone of reaction for permitting a reactive gas to react with the first portion of the feedstock at the predetermined temperature to produce a first portion of a dry durable carbon product. The system advantageously can enable a feedstock volatile component expelled from the second portion of the feedstock to enter the zone of reaction and react with the reactive gas to form a reacted gas that excludes bio-oil and tar.
Resumen de: US2025333655A1
Use of short-chain alcohols as fatty acid extracting solvents present in oils and fats, in a multistage system. At the end of the last stage there is a low acid ester, raffinate, and an extract, containing fatty acids and methanol, which return to the beginning of the enzymatic esterification, where they receive more fatty acids from the hydrolysis step. Thus, there is a full integration of all unit operations involved in this process.
Resumen de: WO2025222271A1
A method and system for size reduction of cohesively fibrous crop straw into homogenously sized straw particles are disclosed. A two-stage processing system comprises a debaling apparatus that removes bale-retaining means and breaks down feedstock into manageable sizes. The material is then transferred to a coarse stage reduction unit where a shearing rotor cuts the straw to a desired first stage size, facilitated by an arcuate discharge filter. The sheared straw is conveyed to a fine stage reduction unit where it is ground to a finished particle size appropriate for pelletization. The system ensures continuous, efficient processing of various fibrous straws such as flax, wheat, barley, and corn stover into fine particles, enhancing the feasibility of biomass pellet production, reducing the energy requirement and mitigating equipment clogging risks.
Resumen de: CN120380119A
The invention relates to a method for producing fatty acid alkyl esters from an organic oil source containing at least one free fatty acid, in which vegetable and/or animal waste oil has an acid number of at least 30 mg KOH/g, and in which the method comprises the following steps: a) reacting the oil source with glycerol at a temperature in the presence of a catalyst comprising at least methanesulfonic acid or a high anhydride thereof, the temperature during the reaction is at least 110 DEG C and no more than 180 DEG C; and b) subjecting the reaction product from step a) to acidic transesterification with an alkanol at a temperature during the reaction of at least 110 DEG C and no more than 160 DEG C wherein the reaction product from step a) comprises the at least one free fatty acid reacting with glycerol, glycerol and the catalyst; and c) separating the fatty acid alkyl ester from the reaction product from step b), wherein the reaction product from step b) comprises the fatty acid alkyl ester, glycerol, the catalyst and the alkanol; and d) separating a mixture of glycerol and catalyst from the reaction product after step c); and e) repeating steps a) to c), with the proviso that at least a portion of the glycerol and the catalyst used in step a) are produced from the mixture of step d).
Nº publicación: EP4638399A1 29/10/2025
Solicitante:
IFP ENERGIES NOW [FR]
IFP Energies nouvelles
Resumen de: CN120322419A
The invention relates to a method and an apparatus for converting biomass to acrylate. The method comprises, in order: a) a step of treating biomass to produce ethanol and CO2; b) a step of dehydrating the ethanol obtained at the end of step a) to obtain ethylene; c) a step of synthesizing an acrylate from the ethylene obtained at the end of step b) and the CO2 obtained at the end of step a).
BOPI
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