Resumen de: 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.
Resumen de: 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.
Resumen de: US2025250503A1
A safe and economical method for creating a solid fuel product from biomass-based materials. The method uses a horizontally oriented rotating pressure vehicle to essentially steam-cook the biomass-based materials over a period of time, slowly and safely releasing the steam after the process is complete.
Resumen de: US2025250594A1
Compositions and methods for a hybrid biological and chemical process that captures and converts carbon dioxide and/or other forms of inorganic carbon and/or CI carbon sources including but not limited to carbon monoxide, methane, methanol, formate, or formic acid, and/or mixtures containing CI chemicals including but not limited to various syngas compositions, into organic chemicals including biofuels or other valuable biomass, chemical, industrial, or pharmaceutical products are provided. The present invention, in certain embodiments, fixes inorganic carbon or CI carbon sources into longer carbon chain organic chemicals by utilizing microorganisms capable of performing the oxyhydrogen reaction and the autotrophic fixation of CO2 in one or more steps of the process.
Resumen de: US2025250557A1
Provided herein is a genetically engineered microorganism comprising knock-in of DNA at an acetolactate decarboxylase gene locus. Replacement of the acetolactate decarboxylase gene with DNA encoding one or more native or nonnative enzymes confers certain advantages, including fermentation stability and increased production of native and nonnative products from gaseous substrates.
Resumen de: AU2023350798A1
A process for converting pomace derived from the production of fruit wine into a nutrient-rich food product, and a product made by said process. The process comprises milling the pomace, carrying out an anaerobic ethanolic fermentation in an anaerobic fermenter by adding yeast and optionally sugars to produce ethanol; carrying out an aerobic acetic acid fermentation in an aerobic fermenter by adding acetic acid bacteria to produce acetic acid, shearing the acetic acid pomace to produce a raw puree; and further processing the raw puree into a puree or powder. The process can be used to produce a product that qualifies for Kosher certification. The nutrient-rich product can be used as an ingredient in foods as a flavour, texture and color enhancer, to mask bitter flavours or off-notes, as a preservative, to fortify processed foods.
Resumen de: EP4596967A2
A method, system, and apparatus for decomposing a biomass feedstock include providing a layer of inert particulate matter, such as sand, to line and insulate the bottom surface of a main chamber of a reactor where pyrolysis and oxidation are conducted to produce char and producer gases as primary products. In an embodiment, feedstock positioned in a side region of the reaction chamber insulates side walls of the main chamber from heat in the center region of the main chamber. In an embodiment of the method, a rate of removal of solid products such as char from the reactor is controlled in response to a temperature detected at a position of an extraction tube inlet of the reactor. Activated charcoal may be obtained as a primary product using the system and method, by feeding oxygen into the reactor at an inlet positioned adjacent to an inlet to the extraction chamber.
Resumen de: AU2023350783A1
A biomass densification system is disclosed comprising a biomass densification unit having a body defining an inlet and an outlet and comprising a densification filter on the body, the inlet configured to receive an input stream including a target biomass and having a first biomass density, and the densification filter configured to allow fluid flow therethrough and configured to prevent passage of the target biomass therethrough; and a suction pump configured to produce a suction force across the densification filter at or below a threshold, the suction force configured to draw the input stream through the densification filter for producing a biomass residue stream separate from a filtrate stream, the biomass residue stream configured to direct the target biomass toward the outlet at a second biomass density, wherein the second biomass density is greater than the first biomass density.
Resumen de: US2025243523A1
The present invention also provides for a method to deconstruct a biomass: the method comprising: (a) introducing a solvent to a biomass to dissolve at least part of solid biomass in the solvent, wherein the solvent comprises (i) a metal salt, and (ii) an ionic liquid (IL) or deep eutectic solvent (DES), or mixture thereof, to form a solubilized biomass mixture; (b) optionally introducing an enzyme and/or a microbe to the composition such that the enzyme and/or microbe produce a biofuel and/or chemical compound from the solubilized biomass; and, (c) optionally the biofuel and/or chemical compound is separated from the composition.
Resumen de: AU2024215758A1
The provided is a method for improving the rate of glucose, xylose and arabinose utilization in Saccharomyces cerevisiae, comprising the following steps: using Saccharomyces cerevisiae with the ability to convert xylose and/or arabinose into ethanol, lactic acid, butanedioic acid, farnesene or isobutanol as a chassis cell to make the following mode of modifications in its genome: A. a mutation in the TRK1 gene for the potassium ion intracellular transporter protein, resulting in an increase in intracellular potassium ion/sodium ion ratio in Saccharomyces cerevisiae, and/or B. a mutation in the PUF2 gene for mRNA-binding protein or PUF2 gene knockout, resulting in PUF2 inactivation, deletion, reduced function, or down-regulated mRNA translation strength. The recombinant Saccharomyces cerevisiae constructed can utilize the cellulase hydrolysate comprising glucose, xylose and/or arabinose to produce ethanol, lactic acid, butanedioic acid, farnesene or isobutanol by fermentation, and has broad application prospects.
Resumen de: AU2025205400A1
A method of simulating operation of a hybrid electrical power generation system having a battery energy storage system (BESS), a renewable energy (RE) power plant, and a combustion power plant, the method comprising: obtaining weather data for a location of the hybrid electrical power generation system, the weather data including a plurality of data points; and for each data point: determining an operating status of the BESS, the RE power plant, and the combustion power plant; in response to determining that an electrical power output of the RE power plant is sufficient to satisfy an electrical demand of the hybrid electrical power generation system and that a state of charge of the BESS is above a threshold value: dispatching the RE power plant to satisfy the electrical demand; in response to determining that the electrical power output of RE power plant is insufficient to satisfy the electrical demand, the state of charge of the BESS is above the threshold value, and the combustion power plant is not operating: dispatching the RE power plant to partially satisfy the electrical demand; and demanding the BESS to at least partially satisfy the electrical demand; and in response to determining that the electrical demand of the RE power plant is insufficient to satisfy the electrical demand, the state of charge of the BESS is above the threshold value, and the combustion power plant is operating: dispatching the RE power plant to partially satisfy the electrical demand; and dema
Resumen de: MX2025003288A
The present invention relates to processes for producing ethanol comprising saccharifying cellulosic or starch-containing material and fermenting the saccharified material with a fermenting microorganism to produce ethanol. The fermenting organism is Saccharomyces cerevisiae strain MBG5225 (deposited under Accession No. Y-68199 at the Agricultural Research Service Culture Collection (NRRL), Illinois 61604 U.S.A.), Saccharomyces cerevisiae strain MBG5227 (deposited under Accession No. Y-68200 at the Agricultural Research Service Culture Collection (NRRL), Illinois 61604 U.S.A.), Saccharomyces cerevisiae strain MBG5307 (deposited under Accession No. Y-68201 at the Agricultural Research Service Culture Collection (NRRL), Illinois 61604 U.S.A.), Saccharomyces cerevisiae strain MBG5318 (deposited under Accession No. Y-68202 at the Agricultural Research Service Culture Collection (NRRL), Illinois 61604 U.S.A.) or a fermenting organism that has properties that the same or about the same as that of Saccharomyces cerevisiae MBG5225, MBG5227, MBG5307 or MBG5318.
Resumen de: WO2024062247A1
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: US2025234877A1
The dairy industry today faces a problem of providing an alternative to adding sweeteners to fermented milk products in order to achieve the desired sweet taste without the added calories. Furthermore, it would be highly advantageous to establish a method for reducing lactose in fermented milk products to a level which is acceptable for lactose-intolerant consumers. The above problems have been solved by providing mutant Streptococcus thermophilus strains and mutant Lactobacillus delbrueckii subsp. bulgaricus strains that excrete glucose to the milk when the milk is inoculated and fermented with such Streptococcus thermophilus strains and Lactobacillus delbrueckii subsp. bulgaricus strains.Thus, the present invention relates to strains of Streptococcus thermophilus and Lactobacillus delbrueckii subsp. bulgaricus which secrete glucose to the milk substrate during fermentation, as well as to mixed cultures comprising the Streptococcus thermophilus strains and the Lactobacillus delbrueckii subsp. bulgaricus strains, starter cultures comprising the strains and dairy products manufactured with the cultures. The present method also relates to use of the strains for decreasing the lactose content of a fermented food product and for boosting growth of the probiotic BB-12®.
Resumen de: US2025236875A1
The present invention is directed to a yeast strain, or strains, secreting a full suite, or any subset of that full suite, of enzymes to hydrolyze corn starch, corn fiber, lignocellulose, (including enzymes that hydrolyze linkages in cellulose, hemicellulose, and between lignin and carbohydrates) and to utilize pentose sugars (xylose and arabinose). The invention is also directed to the set of proteins that are well expressed in yeast for each category of enzymatic activity. The resulting strain, or strains can be used to hydrolyze starch and cellulose simultaneously. The resulting strain, or strains can be also metabolically engineered to produce less glycerol and uptake acetate. The resulting strain, or strains can also be used to produce ethanol from granular starch without liquefaction. The resulting strain, or strains, can be further used to reduce the amount of external enzyme needed to hydrolyze a biomass feedstock during an Simultaneous Saccharification and Fermentation (SSF) process, or to increase the yield of ethanol during SSF at current saccharolytic enzyme loadings. In addition, multiple enzymes of the present invention can be co-expressed in cells of the invention to provide synergistic digestive action on biomass feedstock. In some aspects, host cells expressing different heterologous saccharolytic enzymes can also be co-cultured together and used to produce ethanol from biomass feedstock.
Resumen de: US2025236836A1
The invention pertains to a method for separating biomass from solid fermentation product wherein a slurry comprising biomass and solid fermentation product is provided to the top of a biomass separator unit and an aqueous medium is provided to the bottom of a biomass separator unit, while a product stream comprising solid fermentation product is withdrawn from the bottom of the biomass separator unit and a waste stream comprising biomass is withdrawn from the top of the biomass separator unit. It has been found that the method according to the invention makes it possible to provide a solid fermentation product which comprises very low amounts of remaining biomass, while product loss can be limited.
Resumen de: US2025236859A1
The present invention relates to glucoamylase variants having improved thermostability. 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: US2025235874A1
The present disclosure is broadly concerned with processing equipment and methods for processing of a biomass feedstock into one or more biomass particles of reduced size, and in particular, hemp. The vertical impact liberating equipment and methods can process whole hemp stalks into hemp particulates comprising distinct fractions of hemp hurds, bast fiber, and fines. Advantageously, in preferred embodiments, the biomass feedstock is pulled through a defined gap and into a defined chamber. This action causes a successive decrease and increase of pressure within the biomass feedstock, yielding the one or more biomass particles of reduced size.
Resumen de: US2025236858A1
Described herein, inter cilia, are glucoamylase variants and methods of using the same for saccharifying a starch substrate. Moreover, the disclosure also relates to a process of producing fermentation products and a method for increasing starch digestibility in an animal as well as a method of producing a fermented beverage using said as well as a. method of producing a fermented beverage using said glucoamylase variants.
Resumen de: WO2025152404A1
The present invention relates to the technical field of genetic engineering and breeding. Provided is the use of a mutant gene of ZmNST2 and a mutant thereof in the production of bioethanol by means of corn stover fermentation. The mutant gene of ZmNST2 is obtained via molecular genetic means. Additionally, by means of the determination of lignin content and ethanol fermentation level, it is found that the mutant gene of ZmNST2 is capable of reducing the lignin content in corn, reducing the content of fermentation inhibitors and improving the hydrolysis rate of cellulase, such that the yield and efficiency in the production of bioethanol by means of corn stover fermentation can be improved. The provided mutant gene of ZmNST2 plays a critical role in the use of same in the production of bioethanol by means of corn stover fermentation, and is an important resource for cultivating new corn varieties that have high ethanol yield by means of fermentation.
Resumen de: AU2023342163A1
A process is hereby provided for permanently (>1000 years) reducing carbon dioxide in the atmosphere. The process involves the cultivation of tree and plant waste (biomass), the conversion of the biomass in a reactor to a carbon product, e.g., charcoal, and subsequent storage of the carbon product. The reactor used for conversion is run at a low temperature, e.g., 300-450°C. Thus, there is negligible cracking. The product is primarily a solid carbon product, which is safe and can be easily handled. The carbon product can also be safely stored. In one embodiment, the carbon product is buried in a location that is tested for limited oxygen at burial depths. The permanence of the CO; reduction is therefore assured.
Resumen de: US2025230875A1
A valve assembly wherein the inner wall of the valve body comprises at least one opening for the entry of a liquid under pressure following output of a slurry or liquid from a tube or pipe. The valve assembly is particularly useful in maintaining a semi-continuous or continuous pressurized flow of biomass from an extruder and extending the reaction zone downstream from the extruder. An advantage of having an extended reaction zone allows for a complete treatment of materials without further wear on the extruder and also allows manipulation of the upstream treatment of materials in the tube or pipe.
Resumen de: WO2025148606A1
The present invention relates to the field of fermentation technology, and specifically provides a yeast strain having tolerance and ethanol production, and a use thereof. The strain is a Saccharomyces cerevisiae strain, said yeast strain having tolerance and the ability to produce ethanol when compared with a starting strain, and the yeast strain preferably being Saccharomyces cerevisiae M8; the sugar-to-ethanol conversion rate of the strain reaches 0.304 g/g, an increase of 38.18% compared with the original strain, and the growth and ethanol yield of the strain can maintain stable genetic characteristics.
Resumen de: US2025230373A1
At least one nitrogen-containing detergent to reduce the filter blocking tendency of a fuel composition having a tendency to block filters. The fuel composition includes a renewable diesel component and a biodiesel component.
Nº publicación: EP4583725A1 16/07/2025
Solicitante:
NOPALM INGREDIENTS B V [NL]
NoPalm Ingredients B.V
Resumen de: AU2023338542A1
The invention provides a method for producing an oil composition (100) from biomass (200), wherein the method comprises: a preparation stage (11) comprising providing a growth medium (300), wherein the growth medium (300) comprises the biomass (200), wherein the growth medium (300) comprises 1 - 10 wt% dry matter, 0.02 - 30 wt% of a carbon source, 0.01 - 5 wt% of a nitrogen source, 0.00001 - 0.05 wt. % of a magnesium source, and wherein the growth medium (300) has a pH selected from the range of 3.0 - 8.0, wherein the biomass (200) comprises a non-pasteurized biomass (220); a fermentation stage (12) comprising (a) inoculating the growth medium (300) with a yeast cell (400), thereby providing an cell suspension (500), and (b) controlling a temperature of the cell suspension (500) in the range of 10-40 ºC, wherein the yeast cell (400) is selected from the species