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25
resultados
Última actualización
02/08/2025 [06:45:00]
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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.
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: 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: 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
Resumen de: AU2023414181A1
The present invention provides a method which is for producing ethanol and in which the permeation flow rate when performing membrane separation is improved. In more detail, provided is a method for producing ethanol, the method comprising: a first step for generating ethanol through saccharification and fermentation in a reaction system containing a lignocellulose-based raw material, a saccharifying enzyme, yeast, and water; and a second step for processing, by using a separation membrane, a first mixture containing ethanol, water, yeast, the saccharifying enzyme, and a lignocellulose-based raw material reaction residue obtained in the first step to acquire a mixture containing ethanol and water, and a second mixture containing yeast, the saccharifying enzyme, water, and the lignocellulose-based raw material reaction residue. The solid content concentration of the first mixture is 4-9.5 mass%.
Resumen de: US2025223310A1
A system for converting cellulosic feedstock to sugar is provided. The system comprises a biomass hopper configured to accept raw material, a conveying tube with a conveying screw configured to separate and transport the raw material, a product heater proximate the conveying screw tube, a drop chute in communication with the conveying screw, and a crusher assembly configured to receive the raw material and defining a reaction zone, grind raw material under pressure to induce a solid-solid chemical reaction to produce the sugar, wherein the crusher assembly comprises a pair of rollers configured to crush the raw material therebetween.
Resumen de: CN119698324A
The present invention relates to a process for the pyrolysis cracking of sugars to C1-C3 oxygenates, the process comprising cooling the cracked product downstream of the reactor to a cooling temperature of 230 DEG C to 390 DEG C and then separating solids from the cracked product cooled to the cooling temperature. The invention also relates to a system for performing the pyrolysis cracking of sugars into C1-C3 oxygenates. The method and system are suitable for industrial scale production.
Resumen de: WO2025138766A1
A pretreatment method for waste grease used in the preparation of a hydrocarbon-based biodiesel. A cascaded process including a water vapor treatment, a low-carbon alcohol treatment and reduced-pressure distillation is utilized, and the pretreatment method comprises the following process steps: first performing a water vapor treatment on waste grease by using high-temperature water vapor; then cooling same by using a transition tank, separating by-products, and then conveying same into a low-carbon alcohol treatment tank; introducing a low-carbon alcohol/nitrogen gas mixture for a deacidification reaction; and finally performing reduced-pressure distillation, with an intermediate fraction obtained therefrom being used as a raw material for the production of a hydrocarbon-based biodiesel. The pretreatment method removes or significantly decreases organic chlorine, phospholipids, metal elements and other impurities in waste grease which affect the activity and lifetime of a catalyst used in the production process of a hydrocarbon-based biodiesel, prolongs the service life of a catalyst used in the preparation of a hydrocarbon-based biodiesel from waste grease, improves the process stability, and solves the problem of organic chlorine, phospholipids, metal elements and other impurities in waste grease affecting the lifetime of a catalyst and equipment in the existing hydrocarbon-based biodiesel production techniques.
Resumen de: US2025215409A1
The present invention relates to isolated polypeptides having beta-glucanase activity, catalytic domains, carbohydrate binding modules and polynucleotides encoding the polypeptides, catalytic domains or carbohydrate binding modules. The invention also relates to nucleic acid constructs, vectors, and host cells comprising the polynucleotides as well as methods of producing and using the polypeptides, catalytic domains or carbohydrate binding modules. The present invention further relates to processes for producing fermentation products from starch-containing or cellulosic-containing material, as well as an enzyme blend or composition, or a recombinant host cell or fermenting organism suitable for use in processes of the invention.
Resumen de: US2025215642A1
The invention is directed to compositions and processes concerning efficient downstream processing of products derived from organic acids pretreatment of plant materials.
Resumen de: AU2023411622A1
The present invention relates to a mutated lipase. The present invention further relates to a gene encoding the lipase, a vector comprising the gene, and a host cell. In addition, the present invention further relates to use of the lipase.
Nº publicación: AU2024212235A1 03/07/2025
Solicitante:
SHELL INTERNATIONALE RES MAATSCHAPPIJ B V
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V
Resumen de: AU2024212235A1
A method for treating grains having starch and non-starch carbohydrates, wherein the starch is present in an amount of at least 10 wt.% based on the dry weight of the grain. The grain is contacted with a solution containing at least one α-hydroxysulfonic acid; and to react under acid hydrolysis conditions to produce a product that is suitable for producing chemicals and/or fuel.
BOPI
Sede Electrónica
