Resumen de: US2025207049A1
Provided is a method for pretreating waste fat, oil and grease (FOG) and co-producing a first-generation biodiesel, including: S1, feeding waste FOG, a liquid acid catalyst, and methanol into a pre-esterification reactor, and conducting pre-esterification to obtain a pre-esterification mixed liquid; S2, removing waste residues from the pre-esterification mixed liquid through a filter to obtain a filtrate, and separating the filtrate by a liquid-liquid separator to obtain an organic phase and an aqueous phase; S3, introducing the organic phase into a methanol recovery tower I and conducting separation to obtain a pre-esterification product and crude methanol; introducing the aqueous phase into a methanol recovery tower II and conducting another separation to obtain a liquid acid catalyst and crude methanol; S4, separating the pre-esterification product through a biodiesel refining tower to obtain a first-generation biodiesel product, and a pretreated waste FOG at a tower bottom.
Resumen de: US2025207110A1
The present invention relates to proteins involved in fatty acid synthesis, such as fatty acid synthases (FAS) variants, comprising one or more polypeptide chains, wherein the polypeptide chain(s) comprise one or more subunits comprising a malonyl/palmitoyl transferase domain (MPT domain), acetyl transferase domain (AT domain), and ketoacyl synthase domain (KS domain), and at least one amino acid substitution in the MPT domain at a position corresponding to R130, in the AT domain at a position corresponding to I306, and/or in the KS domain, preferably in the acyl binding channel and/or at KS domain binding site to ACP, to modulate affinities of acyl intermediates, and optionally further amino acid substitution(s). The present invention relates to the respective polypeptide domains, nucleic acid molecules encoding the proteins (or the polypeptide domains) and host cells containing such nucleic acid molecules. The present invention relates to a method for the production of short fatty acids.
Resumen de: US2025207083A1
Provided herein are compositions and methods for reducing bacterial contamination during cell culture. Such compositions and methods utilize engineered peptides or recombinant cells capable of secreting such peptides into culture medium. Also provided are methods of using the engineered peptides for inhibiting bacterial growth during culturing of cells.
Resumen de: US2025207170A1
The disclosure relates to a method for producing at least one product from CO and optionally H2, or from CO2 and H2. The method comprises introducing a gaseous substrate comprising at least CO and optionally H2, or at least CO2 and H2 into a first-stage bioreactor containing a culture of at least one microorganism in a liquid nutrient medium and fermenting the gaseous substrate to produce one or more first-stage product; and incorporating the one or more first products into one or more articles or converting the one or more first products into one or more second products. The converting may be a second stage fermentation process. The fermentations may be any combination of aerobic and anaerobic, batch and continuous.
Resumen de: AU2023326110A1
A method of obtaining ethanol from a lignocellulosic biomass where said method comprises the following steps: Step 1: delignification of a lignocellulosic biomass using a modified Caro's acid; Step 2: recovering a solid portion of the delignification reaction mixture, wherein said solid portion comprises a substantially hemicellulose-free cellulosic component which comprises at most, up to 15 % w/w hemicellulose; Step 3: exposing the recovered solid portion of the resulting reaction mixture to an enzyme mix comprising cellulase enzymes to create a saccharification system which breaks down the cellulose into a saccharified composition, e.g., oligosaccharides Step 4: feeding the saccharified composition to an organism, such as yeast, with the ability to ferment sugars into ethanol.
Resumen de: EP4574985A1
The present invention relates to a process for preparing a biofuel composition, the biofuel composition obtainable by the process and the use of the biofuel. More specifically, the present invention is related to a process for producing, biofuel defined by a blend of fatty acid formal glycerol ester (FAGE) /fatty acid alkyl ester/acetal mixture/hydrotreated vegetable oil (HVO), the process being characterized by an enzymatic transesterification of fatty acid alkyl esters with glycerol formal and by the specific rates of the different components. The invention is also directed to the biofuel compositions obtained by said process as well as to the uses thereof.
Resumen de: CN119698480A
A system for converting biomass to ethanol and other desired products is disclosed. The system comprises a plurality of bioreactors connected in series, and the bioreactors are connected through mills. The configuration enables the reaction time to be shortened, which is beneficial to industrial processing. The present disclosure relates to systems and methods for efficient conversion of biomass using integrated bioprocessing (CBP) to convert cellulosic biomass to fuels and/or chemicals, without the need for addition of enzymes and without the need for thermochemical pretreatment.
Resumen de: CN119836472A
Disclosed herein are genetically engineered yeast cells capable of producing ethanol. The genetically engineered yeast cell comprises an exogenous polynucleotide sequence encoding a glyceraldehyde-3-phosphate dehydrogenase (gapN) enzyme that is at least 60%, at least 70%, at least 80%, at least 85%, at least 90%, at least 95%, at least 97%, at least 99%, or 100% identical to at least one of SEQ ID NO: 28, 32, 48, 52, 64, 68, 80, 92, and 96.
Resumen de: PL447209A1
Przedmiotem zgłoszenia jest sposób brykietowania mizdry garbarskiej realizowany w brykieciarce mechaniczno-ślimakowej, wyposażonej w zespół zasilający głowicę brykietującą, w której znajduje się układ dozujący mizdrę i dodatki, zespół umożliwiający dodanie dodatków do mizdry oraz dysza drobnokroplista do dozowania dodatków płynnych. W przypadku mizdry garbarskiej o frakcji równej 15 mm i mniejszej niż 15 mm i podwyższonej wilgotności, zastosowano domieszki suche. Po rozdziale frakcji mizdry garbarskiej na wytrząsarce sitowej (1) dodaje się mizdrę ze zbiornika mizdry (2) oraz z rozdrabniacza (6) słomy rozdrobnioną słomę do kosza wsadowego (3), a w tulei (5) grzewczej ślimaka tłoczącego następuje brykietowanie mizdry. W przypadku mizdry większej niż 15 mm zastosowano suszenie konwekcyjne, po przesianiu na wytrząsarce (1) sitowej i rozdziale frakcji mizdry następuje suszenie konwekcyjne, a następnie dodaje się z dozownika dodatków płynnych w postaci oleju do mizdry. W tulei (5) grzewczej ślimaka tłoczącego następuje brykietowanie mizdry. Tuleja grzewcza ma każdorazowo temperaturę od 105°C do 220°C. Sposób brykietowania prowadzony jest każdorazowo w temperaturze otoczenia w granicach od +5°C do +30°C.
Resumen de: US2025197897A1
A method of producing chemicals includes providing fermentative cells; co-feeding any of galacturonate and galacturonate polymers with carbohydrates to the fermentative cells; and producing a chemical from the fermentative cells. The fermentative cells may include any of Clostridium acetobutylicum and Clostridium saccharoperbutylacetonicum. The carbohydrates may include any of glucose, mannose, galactose, fructose, arabinose, xylose, sucrose, lactose, maltose, cellobiose, and starch. The method may include providing a substantially equal proportion of the any of galacturonate and galacturonate polymers and the carbohydrates for co-feeding to the fermentative cells. The method may include altering a proportion of the any of galacturonate and galacturonate polymers to the carbohydrates. The method may include modulating a production of the chemical by altering the proportion of the any of galacturonate and galacturonate polymers to the carbohydrates. The chemical may include any of acetate and butyrate.
Resumen de: US2025197737A1
Lignocellulosic starting materials can be converted into an organic liquefaction product in a hydroliquefaction process by subjecting a mixture of a lignocellulosic starting material, an amorphous and unsupported sulfided nickel-molybdenum catalyst and a co-feed, to not less than a stoichiometric amount of hydrogen, elevated pressure and a temperature within the range of from 270° C. and up to but not including 350° C.
Resumen de: WO2024153506A1
The invention relates to a method for treating lignocellulosic biomass, which method comprises - a) a step (2) of pretreating the biomass to obtain pretreated biomass (3) - b) a first solid/liquid separation step of separating the solids/liquids of all or a portion (3a) of the pretreated biomass (3) into a first solid fraction (7) and a first liquid fraction (6) comprising a mixture of sugars - c) a step (14) of performing enzymatic hydrolysis on the first solid fraction (7) of the pretreated biomass to obtain a hydrolysate (15) in the form of one or more sugars - d) a step (24) of purifying the first liquid fraction by bringing the first liquid fraction (6) into contact with microorganisms that consume only C6 sugars in order to obtain a purified liquid fraction (26) - e) a second solid/liquid separation step (27) of separating the solid/liquids of the purified liquid fraction (26).
Resumen de: US2025196093A1
In various embodiments. the present disclosure provides biogenic porous carbon silicon dioxide compositions and methods of production and uses thereof.
Resumen de: US2025202278A1
A power plant is configured to output power to a grid power system and comprises a hydrogen generation system configured to produce hydrogen, a gas turbine combined cycle power plant comprising a gas turbine engine configured to combust hydrogen from the hydrogen generation system to generate a gas stream that can be used to rotate a turbine shaft and a heat recovery steam generator (HRSG) configured to generate steam with the gas stream of the gas turbine engine to rotate a steam turbine, a storage system configured to store hydrogen produced by the hydrogen generation system, and a controller configured to operate the hydrogen generation system with electricity from the grid power system when the grid power system has excess energy and balance active and reactive loads on the grid power system using at least one of the hydrogen generation system and the gas turbine combined cycle power plant.
Resumen de: US2025197365A1
The present disclosure provides methods to produce 5-(halomethyl)furfural, including 5-(chloromethyl)furfural, by acid-catalyzed conversion of C6 saccharides, including isomers thereof, polymers thereof, and certain derivatives thereof. The methods make use of acids with lower concentrations, and allows for conversion of sugars into 5-(halomethyl)furfural at higher temperatures and faster reaction or residence times.
Resumen de: US2025197788A1
Described herein are methodologies for employing biofilm bioreactors and hydrocarbonoclastic organisms to upscale the corn ethanol byproduct thin stillage or by products from distilleries or breweries into value-added hydrophobic chemicals like retinoids and lubricants.
Resumen de: WO2025126656A1
Provided is a porous Cu member which comprises: a member main body (11) that is formed of Cu or a Cu alloy and has a porous structure; and a nano-Cu structure layer (16) that is formed on at least a part of the surface of the member main body (11). The member main body (11) has a porosity in the range of 38% to 95% inclusive and a thickness in the range of 0.1 mm to 1.0 mm inclusive. The nano-Cu structure layer (16) is configured as a layer by laminating Cu particles, which have an average length of 20 µm to 1 nm, on the surface.
Resumen de: US2025197791A1
Systems and methods relating to dynamic spargers for generating fine bubbles within reactors such as biological and chemical reactors. A sparger system is positioned within a reactor and comprises a support plate, multiple annular shrouds engaged with the support plate, and spargers positioned within the annular shrouds defining a gap between an interior surface of the annular shroud and an exterior surface of the corresponding sparger. Liquid flows through the defined gap between an interior surface of the annular shroud and an exterior surface of the sparger. Acceleration of the liquid through the gap shears bubbles at the exterior surface of the sparger creating bubbles or fine bubbles.
Resumen de: CN222973747U
本实用新型涉及生物炭生产技术领域,尤其涉及一种全自动打包的生物炭收集打包设备。其技术方案包括:包括底座、万向轮、塑封装置、导向架和导向机构,所述底座下方四角设置有万向轮,且底座上侧倾斜设置有工作台,工作台上设置有齿轮传动的导向机构,且工作台于导向机构两侧分别设置有塑封装置和导向架,所述底座一侧活动连接有放料辊,且底座靠近放料辊的一侧设置有导向辊,放料辊上设置有打包袋;通过滚动运动引导打包袋的导向,能够精确地引导打包袋的导向,避免了打包袋在运输过程中出现偏移或者折叠等问题,提高了打包袋的稳定性,可以实现对生物炭的自动化打包,省去了人工打包的过程,提高了生产效率,减少了人力成本。
Resumen de: CN222969662U
本实用新型提供一种生物质颗粒燃料搅拌机,尤其涉及生物质颗粒相关技术领域,包括搅拌桶、搅拌机构和清理机构,所述搅拌桶的上方表面固定连接有注料口,所述搅拌桶的内腔固定连接有滤水网,所述搅拌桶的内侧表面设置有搅拌机构,所述搅拌机构包括连接轴,所述连接轴的外侧表面设置有清理机构。该生物质颗粒燃料搅拌机,为了防止生物质原料残留在机器内壁,而通过第一橡胶刮板的一侧与搅拌桶内壁紧密贴合,第二橡胶刮板的下方表面与滤水网相贴合,并通过启动通过启动电机就可以对搅拌桶内壁和滤水网上的生物质原料进行清理。
Resumen de: CN222975143U
本实用新型公开了一种山桐子制生物环保柴油设备,属于山桐子加工技术领域,包括底座,所述底座的一端安装有榨油机,所述底座的另一端安装有过滤箱,所述过滤箱底端设置有出油管,所述出油管的内腔设置有控制阀,所述过滤箱的一侧安装有清理油渣的清理组件,所述过滤箱另一侧两端对称位置均固定连接有延伸板,所述延伸板的内侧壁滑动连接有收集盒,所述过滤箱位于收集盒的正上方开设有出料口,所述过滤箱的内腔设置有过滤板,所述底座的上表面安装有存油箱,所述存油箱的外侧壁安装有抽取柴油的送油组件,所述送油组件的另一端与过滤箱连通,从而提升制生物柴油的生产质量,方便工作人员对油渣的收集工作,避免油渣对周围环境的影响。
Resumen de: CN222975005U
本实用新型提供一种生物柴油生产过程中酸性废水处理系统,属于生物柴油技术领域,解决现有设备结构较为复杂导致较难对设备内壁上粘附的油相进行清除的技术问题。本实用新型包括油相处理机构和酸处理机构。本实用新型设计科学合理,使用方便,本实用新型利用第一油相处理箱、第二油相处理箱和第三油相处理箱对酸水中油相成分分步骤处理,第一油相处理箱、第二油相处理箱和第三油相处理箱结构简单,易于对粘附于第一油相处理箱、第二油相处理箱和第三油相处理箱内壁上的油分进行清除,有效避免油分过多累积而影响第一油相处理箱、第二油相处理箱和第三油相处理箱后续使用。
Resumen de: US2025188392A1
Provided herein are genetically modified yeast cells that recombinantly expresses a gene encoding a mutant beta-lyase. Also provided are methods of producing fermented products and methods of producing ethanol.
Resumen de: US2025188352A1
Disclosed is a pyrolysis reaction method including a raw material input step of inputting a raw material and acquiring first data, a pyrolysis reaction step of pyrolyzing the input raw material, a reactant discharge step of discharging a pyrolyzed reactant and acquiring second data, an image sample collection step of additionally obtaining image samples, a DB storage step of normalizing the obtained image samples into time series data and storing RGB code values in a DB, a labeling step of assigning labels to the first data and the second data, a data processing step of comparing the first data and the second data with the data stored in the DB to generate third data and fourth data, and a control value deriving step of deriving control values of a pyrolysis temperature and a pyrolysis time based on the third data and the fourth data.
Nº publicación: AU2024239561A1 12/06/2025
Solicitante:
TOKUYAMA CORP
TOKUYAMA CORPORATION
Resumen de: WO2024195862A1
Provided is a method for producing a semi-carbonized biomass solid fuel, the method comprising subjecting plant biomass to a torrefaction process to produce semi-carbonized plant biomass and then solidifying the semi-carbonized plant biomass by press-molding. The method includes a heating treatment for heating the solidified semi-carbonized plant biomass, which is obtained after the press-molding, at 100-250°C.