Alerta

IMPROVED CELLULOSE FOR BIOETHANOL PRODUCTION

Resumen de: CA3210900A1

A process to obtain glucose from a pretreated lignocellulosic biomass, said process comprising the steps of: providing a lignocellulosic biomass; contacting said lignocellulosic biomass to a modified Caro’s acid composition for a period of time necessary to remove more than 98.5 % of the lignin present in said lignocellulosic biomass and thus obtaining a solid stream and a liquid stream; exposing said solid stream to an enzyme blend to produce a hydrolysate comprising sugars obtained from the hydrolysis of cellulose and hemicellulose; and optionally, fermenting said hydrolysate to produce value-added products.

BIOCHAR SYSTEM AND METHOD IN STOICHIOMETRIC GAS TURBINE POWER PLANT WITH EXHAUST GAS RECIRCULATION

Resumen de: EP4678719A1

A system includes a gas turbine system having a compressor, a combustor, and a turbine, wherein the combustor is configured to combust fuel and oxidant in a substantially stoichiometric equivalence ratio, phi (ϕ), of between 0.95 to 1.05. The system further includes an exhaust gas recirculation (EGR) system configured to recirculate an exhaust gas from the turbine to an intake into the compressor. The system further includes a biochar pyrolysis reactor configured to heat a biomass feedstock to cause a pyrolysis reaction of the biomass feedstock using heat from the exhaust gas to generate a biochar and a syngas.

DEVICE FOR CATALYTIC SEPARATION REACTION OF BIODIESEL AND USE METHOD THEREFOR

Resumen de: WO2026007298A1

Provided are a device for catalytic separation reaction of biodiesel and a use method therefor. The device for catalytic separation reaction of biodiesel comprises: a reactor (1), a bottom surface of which is provided with a discharge pipe (39); a carbon film (2) arranged inside the reactor (1) and used for the permeation of fatty acid methyl esters and glycerol; and a rotating hole (3) formed on the top surface of the reactor (1), wherein a stirring column (5) is movably mounted inside the rotating hole (3), a plurality of stirring rods (6) are arranged outside the stirring column (5), and two limiting grooves (34) are formed on the outer cylindrical surface of a rotating shaft (4). The rotating shaft (4) drives a reciprocating screw rod (18) to rotate, driving a piston plate (19) to compress the air; and the compressive force on piston blocks (14) in the stirring rods (6) gradually increases, driving scrapers (16) to slowly move outward so as to gradually scrap off the fatty acid methyl esters and glycerol by layer from the inner wall of the reactor, thereby achieving a better scraping effect and enhancing the oil yield from the reaction of feedstock oil.

COKE PRODUCTION METHOD

Resumen de: EP4674929A1

Provided is a coke production method with which it is possible to suppress, with a simple procedure, coke strength deterioration due to the use of biomass, while said biomass is contained in blended coal serving as a coke raw material. In one aspect, the present invention provides a coke production method including a step for preparing blended coal containing coal and torrefied woody biomass, and a step for coking said blended coal, wherein: (1) the torrefied woody biomass has a volatile content of 25 mass% or less and has particle sizes such that the mass percentage of particles in the range of 0.10-mm plus sieve and 0.60-mm minus sieve is equal to or greater than 60 mass% according to sieving in conformity to the particle-size testing method defined in JIS M8801:2008; or (2) the torrefied woody biomass has a volatile content that is greater than 25 mass% and equal to or less than 40 mass% and has particle sizes such that the mass percentage of particles in the range of 0.10-mm plus sieve and 0.30-mm minus sieve is equal to or greater than 60 mass% according to said sieving.

Process for Production of Renewable Fuels from Alcohols

Resumen de: US2025388828A1

Disclosed are systems, methods, and compositions for producing renewable alcohols, conversion of C1-C5 alcohols to a mixture of C2-C7 olefins to generate stream for recycle to the alcohol conversion step to create or separate oligomerization conversion to generate a predominantly C4+ stream, oligomerizing stream into fuel range olefins to create a stream, separating stream into fractions appropriate for use as gasoline, jet, and diesel fuels. The disclosure also provides systems, methods, and compositions of bio-based ethanol that can be converted to ethylene and subsequently to mixtures of C3-C8 olefins in a single-step.

Low Energy Production Process for Renewable Hydrocarbons

Resumen de: US2025388937A1

Disclosed is a carbon neutral, zero net energy process, system, and plant for converting lower linear and branched mono-olefins, derived from C2-C5 bio-based alcohols to higher hydrocarbons, to one or more C8-C24 hydrocarbons. Also disclosed are a carbon neutral, zero net energy process for oligomerization of branched and/or linear C3-C8 olefins to renewable diesel fuel and/or jet fuel.

BIOCARBON BLENDS WITH OPTIMIZED FIXED CARBON CONTENT, AND METHODS FOR MAKING AND USING THE SAME

Resumen de: US2025388814A1

In some variations, the disclosed technology provides a biocarbon composition comprising a low-fixed-carbon material with a fixed-carbon concentration from 20 wt % to 55 wt %; a high-fixed-carbon material with a fixed-carbon concentration from 50 wt % to 100 wt % (and higher than the fixed-carbon concentration of the low-fixed-carbon material); from 0 to 30 wt % moisture; from 0 to 15 wt % ash; and from 0 to 20 wt % of one or more additives (such as a binder). Some variations provide a process for producing a biocarbon composition, the process comprising: pyrolyzing a first biomass-containing feedstock to generate a low-fixed-carbon material; separately pyrolyzing a second biomass-containing feedstock to generate a high-fixed-carbon material; blending the low-fixed-carbon material with the high-fixed-carbon material, thereby generating an intermediate material; optionally, blending additives into the intermediate material; optionally, drying the intermediate material; and recovering a biocarbon composition containing the intermediate material or a thermally treated form thereof.

METHOD OF PRODUCING LIQUID FUEL FROM CARBONACEOUS FEEDSTOCK THROUGH GASIFICATION AND RECYCLING OF DOWNSTREAM PRODUCTS

Resumen de: US2025388827A1

A feedstock delivery system transfers a carbonaceous material, such as municipal solid waste, into a product gas generation system. The feedstock delivery system includes a splitter for splitting bulk carbonaceous material into a plurality of carbonaceous material streams. Each stream is processed using a weighing system for gauging the quantity of carbonaceous material, a densification system for forming plugs of carbonaceous material, a de-densification system for breaking up the plugs of carbonaceous material, and a gas and carbonaceous material mixing system for forming a carbonaceous material and gas mixture. A pressure of the mixing gas is reduced prior to mixing with the carbonaceous material, and the carbonaceous material to gas weight ratio is monitored. A transport assembly conveys the carbonaceous material and gas mixture to a first reactor where at least the carbonaceous material within the mixture is subject to thermochemical reactions to form the product gas.

METHOD FOR IMPROVING THERMOSTABILITY OF PHYTASE, MUTANT AND USE

Resumen de: US2025388881A1

The present invention relates to the field of genetic engineering, particularly to method for improving thermo-stability of phytase, mutant and use. The present invention introduces a series of mutations to the phytase APPAmut4, which may involve introducing disulfide bonds, reducing the free energy of unfolding, optimizing the key residues in the coevolution process, and significantly improving the thermal stability of the phytase. Among the mutants of the present invention, the optimal mutant APPAmut9 retains about 70% of its activity after being treated for 5 minutes at 100° C., while the phytase APPAmut4 has already been inactivated. Therefore, the present invention overcomes the shortcomings of the prior art and provides phytase mutants with high thermal stability suitable for wide application in fields such as energy, food, and feed.

METHOD AND SYSTEM FOR TREATING BIOMASS MATERIAL

Resumen de: SE2330081A1

Method for treating biomass material, comprising impregnating (201) the biomass material with sulfur dioxide and/or sulfurous acid in an impregnation reactor, subjecting the biomass material to hydrothermal treatment (202) in a pretreatment reactor, and determining (204) a flow, or a parameter indicative of a flow, of gases vented off from an upper portion of the pretreatment reactor. The method further comprises controlling (205a, 205b) the impregnating based on the flow of gases, or the parameter indicative of the flow of gases. A corresponding system is also provided.

METHOD AND SYSTEM FOR TREATING BIOMASS

Resumen de: SE2330079A1

A method for treating biomass material such as lignocellulose biomass is provided. The method comprises impregnating (201) the biomass material with sulfur dioxide and/or sulfurous acid, and subjecting the biomass material to hydrothermal treatment (202) in a pretreatment reactor. The method further comprises controlling the treatment severity of the hydrothermal treatment by controlling (203) the sulfur dioxide partial pressure in the pretreatment reactor. A system for treating biomass material is also provided.

PRODUCTION PROCESS FOR PRODUCING YEAST CELL WALL EXTRACT HYDROLYSATE USING ORGANIC ACIDS

Resumen de: EP4666997A1

The present invention discloses a process for producing yeast cell wall extract hydrolysate using organic acid. The process removes color and odor substances and inorganic salts carried by yeast after fermentation and cultivation through preliminary hydrolysis with acetic acid and purifies the yeast cell wall extract at the same time. Then, the yeast cell wall extract from which color and odor substances and inorganic salts have been removed is hydrolyzed with formic acid to make the produced yeast cell wall extract hydrolysate more easily soluble in water. Through the above organic acid hydrolysis process, the present invention provides a production process for a colorless, odorless, salt-free and easily soluble product containing substances in yeast cell walls that are beneficial to skin protection, repair and treatment. The present invention also provides a method for removing and recycling the organic acids added in the process, thereby reducing production costs and reducing pollution.

METHODS AND MICROORGANISMS FOR THE FERMENTATION OF METHANE TO MULTI-CARBON COMPOUNDS

Resumen de: US2025382623A1

Genetically modified microorganisms that have the ability to convert carbon substrates into chemical products such as isobutanol are disclosed. For example, genetically modified methanotrophs that are capable of generating isobutanol at high titers from a methane source are disclosed. Methods of making these genetically modified microorganisms and methods of using them are also disclosed.

Juice Concentrate Having a Reduced Sugar Content and Production Method

Resumen de: US2025380722A1

The invention relates to a method for producing a juice concentrate having a reduced sugar content, in which method the sugar content of a juice is reduced by means of fermentation after the addition of microorganisms, and the ethanol produced by the fermentation is separated using additional fermentation products in an evaporator, as a result of which the juice concentrate having a reduced sugar content is obtained. The invention also relates to: a juice concentrate, preferably a fruit juice concentrate or vegetable juice concentrate, which can be obtained using said method; and a method for producing a juice having a reduced sugar content from said juice concentrate.

SYSTEMS AND METHODS FOR HOLISTIC LOW CARBON INTENSITY FUEL PRODUCTION

Resumen de: US2025383637A1

The present disclosure generally relates to systems and methods utilizing regenerative agriculture for the procurement, production, refinement and/or transformation of low carbon intensity transportation fuels, including low carbon intensity biodiesel and/or renewable diesel, low carbon intensity biogasoline, low carbon intensity aviation, marine and kerosene fuels as well as fuel oil blends, low carbon intensity ethanol, and low carbon intensity hydrogen, that may be beneficially commercialized directly to consumers. In further aspects, the systems and methods of the present disclosure advantageously generate low carbon intensity comestibles, including sustainably-sourced meal and/or feed. The disclosed systems and methods may be utilized and optimized such that the resulting fuels and foodstuffs are characterized by a reduction in greenhouse gas production and a diminution in the fertilizer, pesticide and water required for producing the associated crop feedstocks.

Verfahren zur Herstellung von Holzbriketts aus Grünabfällen

Resumen de: DE102024116534A1

Die Erfindung betrifft ein Verfahren zur Herstellung von Holzbriketts aus Grünabfällen, welches batchweise arbeitet und die folgenden Verfahrensschritte vorsieht, die in der angegebenen Reihenfolge durchlaufen werden:(1) aus unterschiedlichen Bezugsquellen zur Verfügung gestellte Grünabfälle werden an einem Lagerplatz so lange gesammelt, bis eine für eine Batchverarbeitung ausreichende Rohstoffcharge an Grünabfällen bereitsteht;(2) die Grünabfälle werden dem Lager entnommen und mechanisch zerkleinert;(3) die zerkleinerten Grünabfälle werden getrennt, wobei Erdanteile entfernt werden;(4) die Grünabfälle mit reduziertem Erdanteil werden getrocknet;(5) die getrockneten Grünabfälle werden mechanisch weiter zerkleinert;(6) die weiter zerkleinerten Grünabfälle werden getrennt, wobei im Wege der Trennung eine weiterzuverarbeitende Holzkomponente aus den weiter zerkleinerten Grünabfällen gewonnen wird;(7) die weiterzuverarbeitende Holzkomponente wird getrocknet und grob zerkleinert;(8) die grob zerkleinerte Holzkomponente wird mechanisch fein zerkleinert;(9) die fein zerkleinerte Holzkomponente wird gesiebt, wobei im Wege des Siebens eine Feinstholzkomponente aus der Holzkomponente gewonnen wird;(10) die Feinstholzkomponente wird brikettiert.

ALDEHYDE DEHYDROGENASE VARIANTS AND METHODS OF USING SAME

Resumen de: US2025382590A1

The invention provides polypeptides and encoding nucleic acids of aldehyde dehydrogenase variants. The invention also provides cells expressing aldehyde dehydrogenase variants. The invention further provides methods for producing 3-hydroxybutyraldehyde (3-HBal) and/or 1,3-butanediol (1,3-BDO), or an ester or amide thereof, comprising culturing cells expressing an aldehyde dehydrogenase variant or using lysates of such cells. The invention additional provides methods for producing 4-hydroxybutyraldehyde (4-HBal) and/or 1,4-butanediol (1,4-BDO), or an ester or amide thereof, comprising culturing cells expressing an aldehyde dehydrogenase variant or using lysates of such cells.

DEVICE AND METHOD FOR PREPARING CARBON MATERIAL BY PYROLYSIS AND GRADED UTILIZATION OF BIOMASS

Resumen de: WO2025255990A1

The present invention relates to the technical field of biomass energy recycling. Disclosed are a device and method for preparing a carbon material by pyrolysis and graded utilization of biomass. The device comprises a first tubular furnace; a first gas inlet of the first tubular furnace is in communication with a gas outlet end of a first nitrogen cylinder; a gas outlet of the first tubular furnace is in communication with a gas inlet end of a degassing mechanism; the degassing mechanism can absorb a water-soluble gas in a pyrolysis gas; a second tubular furnace has a second gas inlet and a second gas outlet; the second gas inlet is in communication with a gas outlet end of the degassing mechanism; and the degassing mechanism can deliver a water-insoluble gas in the pyrolysis gas to the second tubular furnace for vapor deposition to form biochar. The pyrolysis gas generated by biomass pyrolysis can be secondarily utilized, the water-insoluble gas in the pyrolysis gas is separated, and the water-insoluble gas is converted into biochar by means of vapor deposition in the second tubular furnace, so that the utilization rate of the pyrolysis gas is improved and the content of harmful gases in the pyrolysis gas is reduced, and thus the treated pyrolysis gas can be directly discharged into the atmosphere and is environmentally friendly and pollution-free.

COKE PRODUCTION METHOD

Resumen de: WO2025057470A1

To provide a means that presents a new indicator for a biomass-derived raw material replacing part of the coal used in the production of coke using a blast furnace and produces coke that has high strength even when a biomass-derived raw material has been blended with the coal. In the mass distribution of surface tension measured for the carbonized biomass blended with the coal blend for producing coke, the proportion of surface tension values equal to or greater than a lower limit value gammamin is 60 mass% or more of the whole, and the volatile content of the carbonized biomass on an anhydrous basis is 4.0 mass% or more.

COKE PRODUCTION METHOD

Resumen de: WO2025057471A1

Provided is a means for: presenting a novel indicator for a biomass-derived raw material for replacing a portion of coal that is used for producing coke used in a blast furnace; and producing coke having high strength even when a biomass-derived raw material is mixed with coal. Biomass in which the microstrength index (MSI0.21) of test coke obtained by dry-distilling the biomass alone is at least 45 is mixed with mixed coal to produce coke.

MOBILE BIOMASS THERMOCHEMICAL ENERGY CONVERSION UNIT AND RELATED METHODS

Resumen de: US2025382523A1

A thermochemical energy conversion unit includes a heat expansion assembly including a reactor configured to receive a biomass and convert the biomass into a burnable gas having undesirable materials therein and a biochar. The heat expansion assembly also includes a heat expansion discharge pipe configured to discharge the burnable gas from the heat expansion assembly. The thermochemical energy conversion unit also includes a gas scrubber assembly operatively connected to the heat expansion assembly and configured to receive the burnable gas therefrom and to remove the undesirable materials from the burnable gas. The gas scrubber assembly includes a scrubber discharge pipe configured to discharge the burnable gas from the gas scrubber assembly. The heat expansion assembly and the gas scrubber assembly are configured to be continuously fluidly connected from the heat expansion discharge pipe to the scrubber discharge pipe for generating a continuous flow of the burnable gas therealong.

BIOETHANOL PRODUCTION FROM WASTE USING ENZYMES

Resumen de: AU2024267388A1

The invention relates to a method for treating waste material. The method comprises the steps of: a. converting the waste material into a slurry, e.g., by adding water; b. adding enzymes to the slurry and allowing the enzymes to extract sugars from the slurry by enzyme saccharification; c. separating the liquid content of the slurry from the solid waste content to give a liquid; d. converting the liquid to an ethanol-water mixture; and e. concentrating or separating the ethanol-water mixture to give ethanol. An apparatus for treating waste material according to the method is also provided..

ENGINEERED OBLIGATE FERMENTING BACTERIA FOR THE FERMENTATIVE PRODUCTION OF D-LACTATE AND ISOBUTANOL

Resumen de: WO2024188980A1

The present invention relates to genetically engineered bacteria comprising a deletion of ndh gene; a deletion of one or more nuo genes; a deletion of dld gene, wherein the one or more nuo genes are selected from nuoA, nuoB, nuoC, nuoD, nuoE, nuoF, nuoG, nuoH, nuoI, nuoJ, nuoK, nuoL, nuoM and nuoN; wherein the genetically engineered bacterium is able of oxygen uptake, i.e. the genetically engineered bacterium is able to use oxygen as electron acceptor, and wherein the bacteria is genetically engineered to produce a fermentation product in presence of oxygen. In particular, the present invention provides bacteria genetically engineered to produce lactate from glycerol or from glucose in presence of oxygen. The present invention further provides bacteria genetically engineered to produce isobutanol and/or ethanol from glycerol in presence of oxygen. Further described is a method for producing a fermentation product using the disclosed genetically engineered bacteria.

METHOD FOR PRODUCING WOOD BRIQUETTES FROM GREEN WASTE

Nº publicación: EP4663721A1 17/12/2025

Solicitante:

MICHAEL RICHTER GMBH [DE]
Michael Richter GmbH

Resumen de: EP4663721A1

Die Erfindung betrifft ein Verfahren zur Herstellung von Holzbriketts aus Grünabfällen, welches batchweise arbeitet und die folgenden Verfahrensschritte vorsieht, die in der angegebenen Reihenfolge durchlaufen werden:(1) aus unterschiedlichen Bezugsquellen zur Verfügung gestellte Grünabfälle werden an einem Lagerplatz so lange gesammelt, bis eine für eine Batchverarbeitung ausreichende Rohstoffcharge an Grünabfällen bereitsteht;(2) die Grünabfälle werden dem Lager entnommen und mechanisch zerkleinert;(3) die zerkleinerten Grünabfälle werden getrennt, wobei Erdanteile entfernt werden;(4) die Grünabfälle mit reduziertem Erdanteil werden getrocknet;(5) die getrockneten Grünabfälle werden mechanisch weiter zerkleinert;(6) die weiter zerkleinerten Grünabfälle werden getrennt, wobei im Wege der Trennung eine weiterzuverarbeitende Holzkomponente aus den weiter zerkleinerten Grünabfällen gewonnen wird;(7) die weiterzuverarbeitende Holzkomponente wird getrocknet und grob zerkleinert;(8) die grob zerkleinerte Holzkomponente wird mechanisch fein zerkleinert;(9) die fein zerkleinerte Holzkomponente wird gesiebt, wobei im Wege des Siebens eine Feinstholzkomponente aus der Holzkomponente gewonnen wird;(10) die Feinstholzkomponente wird brikettiert.