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37
resultados
Última actualización
03/05/2025 [06:46:00]
Resumen de: US2025137016A1
Disclosed are methods for efficient fermentation broth recycle, methods for improving bottoms recycle, and methods for converting CO, CO2, and optionally H2 to ethanol and other oxygenated products, the methods comprising providing to a bioreactor a gaseous substrate comprising CO, CO2, and optionally H2, at least one acetogenic carboxydotrophic bacterium, and a liquid nutrient medium, and providing conditions within the bioreactor for the at least one acetogenic carboxydotrophic bacterium to convert CO, CO2, and optionally H2 to at least one oxygenated product. Also disclosed are methods for preparing animal feed and for preparing fertilizer.
Resumen de: US2025136872A1
Lignocellulosic starting materials can be converted into an aqueous phase and a hydrocarbon phase in a one-step process by subjecting a mixture of a lignocellulosic starting material, an amorphous and unsupported sulfided nickel-molybdenum catalyst, and optionally a co-feed, to not less than a stoichiometric amount of hydrogen, elevated pressure and a temperature in the interval of 350-450° C. A novel catalyst for use in said process and a method for its production are also disclosed.
Resumen de: US2025136870A1
A drive motor is installed, under a transfer path, at each site that serves as an entrance or exit of end shutters and partition shutters; a tongue piece-like sending member is provided on a rotation shaft of the drive motor, which protrudes to a surface side of the transfer path; and a plurality of contact-engagement-separation members are provided at constant intervals on a back side of a bottom surface of the storage container, the tongue piece-like sending member coming into contact with one of the contact-engagement-separation members when the tongue piece-like sending member revolves by the drive motor, and engaging with and separating from the contact-engagement-separation member so that a transfer force in an advancing direction is transmitted to the storage container in response to the revolution. Each time of revolution, the tongue piece-like sending member sequentially and repeatedly contacts with engages with and separates from the plurality of contact-engagement-separation members provided at constant intervals, to enable transfer of the storage container in the advancing direction.
Resumen de: US2025136903A1
Methods of using thermostable serine proteases are described herein.
Resumen de: CN119403929A
The microorganisms are genetically engineered to continuously co-produce amino acids, high value specialized proteins, microbial biomass, chemicals, or any combination thereof by microbial fermentation, particularly by microbial fermentation of gaseous substrates. The microorganism is of a C1 fixed type. And the yield of ethylene, microbial biomass and heterologous high-value special protein can be improved. This can be improved by altering the promoter or nutrition limiting means.
Resumen de: CN119452090A
The microorganisms are genetically engineered to continuously co-produce amino acids, proteins, microbial biomass, chemicals, or any combination thereof by microbial fermentation, in particular by microbial fermentation of gaseous substrates. The microorganism is of a C1 fixed type. The yield of ethylene, microbial biomass and heterologous tandem repeat protein can be improved. This can be achieved by an improved promoter or nutrition limiting means.
Resumen de: WO2024003493A1
The present invention relates to the genetic modification of bacteria in the genus Clostridium, typically solvent-producing bacteria in the genus Clostridium. The invention further relates to methods, tools and kits for deleting or modifying one or more coding sequences, or controlling the transcription of one or more coding sequences, the XylR and/or AraR transcriptional repressors, the genetically modified bacteria obtained and the uses thereof, in particular to simultaneously ferment at least one hexose and pentose, or the carbon-containing elements of a substrate comprising at least two carbon-containing elements chosen from among glucose, arabinose, xylose, mannose and galactose.
Resumen de: US2025129006A1
Process for the production of benzoic acid, said process comprising the steps of: (A) producing ethanol from a bio-mass, which is advantageously a carbohydrate-containing biomass, then (B) causing the ethanol produced at the step (A) to react with methanol, so as to produce benzyl alcohol and/or benzaldehyde, then (C) causing the benzyl alcohol and/or benzaldehyde produced at the step (B) to react with oxygen, so as to produce benzoic acid.
Resumen de: US2025129393A1
Provided is a subject matter relates to a process for producing fermentation products from starch-containing material comprising the steps of: i) saccharifying using a carbohydrate-source generating enzyme; ii) fermenting using a fermenting organism; wherein at least one polypeptide having cellobiohydrolase activity, endoglucanase activity, or beta-glucosidase activity are present or added during fermentation or simultaneous saccharification and fermentation. The subject matter also relates to an enzyme blend or composition comprising the polypeptides.
Resumen de: US2025129326A1
The invention relates to methods for identifying a hybrid organism, based on staining of parent cells with a dye, preferably a fluorescent dye. A preferred dye is a succinimidyl ester-coupled dye. The invention further relates to the resulting hybrid organism, preferably an interspecies hybrid organism, that is labelled with a dye.
Resumen de: WO2025081925A1
Provided in the present invention is a pellet machine for processing biomass fuel, and a control method therefor. The pellet machine comprises a conditioner, a conveyor and a pressing unit which are sequentially arranged in series, wherein the pressing unit comprises a pressing casing, a ring die and a pressure roller assembly, and the pressure roller assembly comprises a pressure roller body and a shifting rod component; and an adjusting component connected to the pressure roller assembly. By means of providing the shifting rod component, during the process in which the ring die drives a pressure roller to rotate, the shifting rod component can be used to stir materials between the ring die and the pressure roller, such that the fluidity of the materials between the ring die and the pressure roller can be improved, and the materials in a deformation and compaction zone can also be reduced or prevented from flowing out towards a feeding zone when subjected to high-pressure squeezing, thus improving the pelleting efficiency and reducing energy consumption.
Resumen de: US2025122511A1
The present invention relates to a vector system for transformation of Chlorella vulgaris, a Chlorella vulgaris transformation method using same, and a Chlorella vulgaris transformant.
Resumen de: WO2025078845A1
The present invention relates to biochar composition formed from the pyrolysis of a mixture comprising: feedstock; and egg shell particulate free from egg-membrane.
Resumen de: US2025122545A1
The present invention relates to enzyme compositions for high temperature saccharification of cellulosic material and to uses thereof.
Resumen de: US2025122551A1
Provided herein are methods for a robust production of isoprenoids via one or more biosynthetic pathways. Also provided herein are nucleic acids, enzymes, expression vectors, and genetically modified host cells for carrying out the subject methods. Also provided herein are fermentation methods for high productivity of isoprenoids from genetically modified host cells.
Resumen de: US2025122467A1
A sugar mixture comprising: monosaccharides; oligosaccharides in a ratio ≥0.06 to total saccharides; disaccharides in a ratio to total saccharides ≥0.05; pentose in a ratio to total saccharides ≥0.05; at least one alpha-bonded di-glucose; and at least one beta-bonded di-glucose. Also disclosed are methods to make and/or use such mixtures.
Resumen de: AU2025202206A1
BIOGENIC POROUS CARBON SILICON DIOXIDE COMPOSITIONS AND METHODS OF MAKING AND USING SAME In various embodiments, the present disclosure provides biogenic porous carbon silicon dioxide compositions and methods of production and uses thereof.
Resumen de: US2025122433A1
The present invention relates to a marine fuel blend having a kinematic viscosity of 2-30 mm2/s as measured at 50° C. according to EN ISO 3104:2020 and comprising 0.5-50 vol-% of palm oil effluent sludge bottom.
Resumen de: WO2025076950A1
The present invention belongs to the technical field of synthetic biology. Disclosed are a sugar alcohol oxidase and the use thereof. D-glucose is used as a substrate to be docked with sugar alcohol oxidase derived from Streptomyces coelicolor A3, amino acid residues around the active center are selected for saturated mutation, and sugar alcohol oxidase having the activity of oxidizing D-glucose is screened by a chromogenic plate, wherein the amino acid sequence of the sugar alcohol oxidase is shown as SEQ ID NO: 2 or SEQ ID NO: 4. The provided sugar alcohol oxidase has the activity of converting D-glucose into D-gluconic acid and the activity of converting D-glyceraldehyde into D-glyceric acid. By means of the sugar alcohol oxidase, the conversion of D-glucose into pyruvic acid is achieved for the first time by using only three enzymes without relying on any coenzymes, thereby having significant originality and application value.
Resumen de: AU2022485286A1
The present invention relates to methods for providing pyrolysis oil from holocellulose and lignin comprising biomass. The present methods provide, amongst others, an improved pyrolysis oil/char ratio or higher yield. The present methods additionally provide, amongst others, pyrolysis oils with improved carbon (C)/ oxygen (O) ratios or energy content. Specifically, the present invention relates to methods comprising the steps of separately introducing the biomass and a solid heat carrier with a temperature of 400°C to 700°C into a first reactor or first reaction zone; b) continuous mixing, in the absence of oxygen, of the biomass and solid heat carrier in the first reactor or the first reaction zone for providing a first time period of 0.5 to 5 seconds of pyrolytic processing yielding a mixture comprising partially pyrolyzed biomass and solid heat carrier and primary pyrolysis gas; c) introducing the mixture from the first reactor, or first reaction zone, into a second reactor, or second reaction zone, the second reactor, or second reaction zone, is configured to provide sedimentation, or separation, of solids at the bottom of the second reactor, or second reaction zone, by gravity thereby forming a layer of solids at the bottom of the second reactor, or second reaction zone; d) maintaining the mixture in the second reactor, or reaction zone, in the absence of oxygen, for a second time period of 10 to 1200 seconds of pyrolytic processing additionally yielding secondary pyro
Resumen de: US2025122484A1
The invention provides an oligosaccharide debranching enzyme mutant and use thereof in a glucose mother liquor. The mutant is obtained by mutating valine at position 219 in SEQ ID NO: 1 into alanine. According to oligosaccharide debranching enzyme mutant V219A, a primary mother liquor, a secondary mother liquor, or a tail liquid after chromatographic separation is used as a substrate, the percentage contents of glucose in the products are 99.21% (primary mother liquor), 98.89% (secondary mother liquor) and 97.97% (tail liquid after chromatographic separation) respectively, which are 2.86%, 8.64%, and 28.67% higher than that of glucose obtained with the wild-type oligosaccharide debranching enzyme. Therefore, the mutant V219A obviously improves the percentage content of glucose in the glucose mother liquor, and the scope of application of the mother liquor can be expanded by the high product purity and substrate conversion rate, so the mutant V219A has higher industrial application value.
Resumen de: FI20225522A1
A hardwood-derived carbahydrate composition comprising monomeric sugars in an amount of 65-85 weight-% based on the total dry matter content of the carbohydrate composition is disclosed. The monomeric sugars include monomeric xylose, the amount of monomeric xylose in the carbohydrate composition being 50-70 weight-% based on the total dry matter content of the carbohydrate composition. The carbonyl content of the carbohydrate composition is 5000-20000 µg/g based on the total dry matter content of the carbohydrate composition. Further is disclosed a method for producing the hardwood-derived carbohydrate composition and the use of the same.
Resumen de: US2025115888A1
The present disclosure relates to a modified polypeptide having xylanase activity and use thereof.
Resumen de: WO2025075973A2
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.
Nº publicación: US2025115864A1 10/04/2025
Solicitante:
EVONIK OPERATIONS GMBH [DE]
Evonik Operations GmbH
Resumen de: US2025115864A1
The present invention relates to an aqueous fermentation medium comprising sulphur in the form of at least one thiocarboxylate, wherein the thiocarboxylate has a chemical structure of Formula I and R═H, alkyl, COOH, COSH, and wherein the alkyl groups may also contain OH, COSH and/or COOH and wherein the concentration of the thiocarboxylate is 2 to 20 mg/L in the fermentation medium.
BOPI
Sede Electrónica
