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BIOETHANOL PRODUCTION FROM WASTE USING ENZYMES

Resumen de: US20260308644A1

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.

METHODS, APPARATUSES, AND SYSTEMS FOR CONVERSION OF BIO-ALCOHOLS TO RENEWABLE DIESEL

Resumen de: US20260308465A1

0000 Methods, apparatuses, and systems for the conversion of bioalcohol to renewable diesel fuel are disclosed. In an example embodiment, a method includes providing a first bio-alcohol feed stream comprising a first bio-alcohol to a first dehydration reactor and providing a second bio-alcohol feed stream comprising a second bio-alcohol to a second dehydration reactor; dehydrating, in parallel, at least a portion of the first bio-alcohol feed stream to a first alkene process stream in the first dehydration reactor and at least a portion of the second bio-alcohol feed stream to a second alkene process stream in the second dehydration reactor; providing the first alkene process stream to an oligomerization reactor and oligomerizing at least a portion of the first alkene process stream to produce a first olefin process stream; providing the second alkene process stream from the second dehydration reactor to a dimerization reactor and dimerizing at least a portion of the second alkene process stream to produce a second olefin process stream; providing the first and second olefin process streams to a distillation apparatus and separating, via distillation, lighter olefins from longer carbon chain olefins; and hydrogenating at least a portion of the longer carbon chain olefins.

XYLANASE VARIANTS AND POLYNUCLEOTIDES ENCODING SAME

Resumen de: US20260308558A1

Xylanase variants; polynucleotides encoding the variants; nucleic acid constructs, vectors, and host cells comprising the polynucleotides; compositions comprising the xylanase variants and methods of using the variants.

LIGNIN PELLETS

Resumen de: EP4818292A2

A method for producing lignin pellets is disclosed. The lignin pellets comprise lignin in an amount of 90 - 99.99 weight-% based on the total weight of the lignin pellets. The method comprises providing a lignin powder; mixing an additive with the lignin powder to provide a mixed lignin powder, subjecting the mixed lignin powder to a pelletizing treatment to provide lignin pellets, wherein the lignin pellets have a diameter of 2.5 - 8 mm. Further is disclosed a lignin pellet, a product, and the use of the lignin pellet.

GLUCOAMYLASE AND METHODS OF USE THEREOF

Resumen de: US20260297550A1

Described are a recombinant host cell, a composition comprising a glucoamylase and methods of saccharifying the starch substrate using the glucoamylase. 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.

YEAST STAGE TANK INCORPORATED FERMENTATION SYSTEM AND METHOD

Resumen de: US20260297632A1

Methods of and system for growing and maintaining an optimized/ideal active yeast solution in the yeast tank and fermenter tank during the fermentation filling cycle are provided. A new yeast stage tank is used between the yeast tank and the fermenter tank allowing yeast to rapidly produce a huge amount of active young yeast cells for a fermenter during the filling period. A measurable and useful controlling factor, %DT/%Yeast by weight ratio (or “food” to yeast ratio), is used (e.g., %DT=glucose), which offers information on the health status of the yeast. The controlling factor is used to control the status of the yeast throughout the entire process.

GENETICALLY MODIFIED YEAST AND FERMENTATION PROCESSES FOR THE PRODUCTION OF ETHANOL

Resumen de: US20260297503A1

0000 Disclosed herein are genetically engineered yeast cells capable of producing ethanol. The genetically engineered yeast cells comprise an exogenous polynucleotide sequence encoding a glyceraldehyde-3-phosphate dehydrogenase (gapN) enzyme 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 NOs: 28, 32, 48, 52, 64, 68, 80, 92, and 96.

FATTY ACID ESTERIFICATION PRETREATMENT PROCESS

Resumen de: US20260297637A1

A process for enzymatic esterification of free fatty acids. In particular, the present invention relates to a pretreatment process for conversion of free fatty acids in oils and fats as feedstock for base-catalyzed transesterification to produce biodiesel.

PYROLYSIS PLANT FOR BATCHWISE PRODUCTION OF BIOCHAR BY PYROLYSIS OF BIOMASS AND METHOD

Resumen de: AU2024433554A1

The present invention relates to a pyrolysis plant for batchwise production of biochar by pyrolysis of biomass. The invention further relates to a method of batchwise production of biochar by pyrolysis of biomass using the pyrolysis plant according to the invention. The pyrolysis plant serves for batchwise (discontinuous) production of biochar by pyrolysis of biomass, in particular of plant material, wherein the pyrolysis plant has: - at least one carrier insert for accommodating the biomass, - a drying device (2) for drying the biomass, - a pyrolysis device (3) for the pyrolysis of the biomass dried in the drying device (2) to obtain biochar with exclusion of oxygen or with a low level of oxygen supply, - a conveying device for supplying drying air to the drying device (2), - a heat exchanger (6) for heating the drying air conveyed by the conveying device by means of waste heat from the pyrolysis device (3).

PRODUCTION OF RENEWABLE FUEL FROM NUTRIENT-LADEN WASTE BY A REDUCED-CARBON PROCESS

Resumen de: US20260297429A1

0000 Described are technologies including processes and system for generation of renewable fuel from nutrient-laden organic waste. The processes described in this specification include processes to convert biomass into a gas using an anoxic gas production process. This output gas can be converted into renewable energy fuels via multiple chemical and/or biological processes.

DEVICE FOR THE TREATMENT OF A SOLID FEEDSTOCK, COMPRISING RECYCLING OF THE SOLID FEEDSTOCK

Resumen de: US20260297446A1

0000 The invention relates to a device for the treatment of a feedstock, comprising a furnace (301) with an enclosure comprising an inlet (316) and an outlet (304) for the feedstock and an inlet (317) and an outlet (318) for a gas. The device comprises a feedstock recovery system (306) comprising a recovery line (305) connected to the enclosure at the feedstock outlet (304) and comprising a sampling and/or analysis means (319). It comprises two lines in parallel downstream of the sampling and/or analysis means (319), one of the lines being a line leading to a storage tank (308) and another line being a line leading to a port (303) for reintroducing the feedstock into the furnace (301). 0000 The invention also relates to a drying or torrefaction process and to an installation for producing hydrocarbons using the drying or torrefaction device.

REACTOR FOR PYROLYSIS OF BIOMASS

Resumen de: WO2026202207A1

A mobile reactor (1) to convert a batch of biomass into biochar in a batch process. The mobile reactor (1) comprises a pyrolysis chamber (100) for receiving the biomass. A longitudinal axis of the pyrolysis chamber (110) extends from a first end of the pyrolysis chamber (101) to a second end of the pyrolysis chamber (102). In the intended use of the reactor (1), when placed on a ground, the pyrolysis chamber (100) is aligned in such a way that the longitudinal axis of the pyrolysis chamber (110) forms a target angle (a) of 20°-50° to the horizontal, wherein the first end of the pyrolysis chamber (101) is the lowerlying end of the pyrolysis chamber (100).

PROCESS FOR THE RECOVERY OF LOW-BOILING POINT COMPONENTS FROM AN ETHANOL STREAM

Resumen de: US20260297630A1

0000 The disclosure provides a process for the production of ethanol and one or more low boiling compound from a fermentable carbon source. The ethanol and the low boiling compound(s) are produced using an ethanol-producing yeast modified to further produce the one or more low boiling point compounds. In one embodiment, the low boiling compound(s) are acetone, 1-propanol, and/or 2-propanol. Additionally, the disclosure provides a process for the isolation ad purification of the one or more low boiling compounds from ethanol.

METHOD FOR TREATING A LIGNOCELLULOSIC BIOMASS

Resumen de: WO2025108769A1

The invention relates to a method for treating a lignocellulosic biomass, with a) an optional step of impregnating the biomass (1), b) a step of cooking (3) the biomass (1) in the presence of water vapor (2) in order to obtain a mixture comprising the biomass (5) and water vapor (4a), c) a separation step in order to obtain the pretreated biomass (5) and the water vapor (4a), d) a step of condensing (17) the water vapor (4a) from the cooking step b) to liquid effluent (4b), e) an enzymatic hydrolysis step (6) in order to obtain a hydrolyzed biomass (7), f) a step of fermenting (8) the hydrolyzed biomass (7) in order to obtain a mixture comprising a fermented biomass (9) and a solid residue, then at least one step of washing said mixture or said solid residue obtained in step f), using the liquid effluent resulting from the condensation step d).

PROCESS FOR DEPOLYMERIZING LIGNOCELLULOSIC BIOMASS

Resumen de: WO2025109537A2

Process for depolymerizing lignocellulosic biomass comprising the following steps: (a) subjecting the lignocellulosic biomass to depolymerization in the presence of at least one alcohol having from 1 to 5 carbon atoms, preferably from 1 to 2 carbon atoms, operating at a weight/weight (w/w) lignocellulosic biomass/alcohol ratio comprised between 0.1 and 1, preferably comprised between 0.15 and 0.8, in supercritical conditions, at a temperature comprised between 200°C and 300°C, preferably comprised between 220°C and 295°C, at a pressure comprised between 40 bar and 170 bar, preferably comprised between 50 bar and 150 bar, for a time comprised between 5 minutes and 150 minutes, preferably comprised between 10 minutes and 130 minutes, obtaining: (i) a mixture comprising a liquid phase comprising depolymerized lignocellulosic biomass and at least one alcohol and a solid phase comprising carbon residues ("char"), depolymerized lignocellulosic biomass and, optionally, non-depolymerized lignocellulosic biomass; (ii) optionally, a gaseous phase; (b) separating the liquid phase comprising depolymerized lignocellulosic biomass and at least one alcohol from the mixture (i) obtained in step (a) obtaining: (iii) a liquid phase comprising depolymerized lignocellulosic biomass and at least one alcohol; (iv) a solid phase comprising carbon residues ("char"), depolymerized lignocellulosic biomass and, optionally, non-depolymerized lignocellulosic biomass; (c) subjecting the liquid phase c

METHOD AND APPARATUS FOR CARBONIZATION OF BIOMASS

Resumen de: WO2025107081A1

An apparatus for carbonizing biomass may have: at least one dehumidifying unit configured for receiving biomass, for exposing the biomass to drying gases to reduce a moisture content in the biomass and for outputting dehumidified biomass; at least one carbonization unit having an inlet configured for receiving the dehumidified biomass, an outlet configured for outletting biomass with an increase carbon content, at least one feed screw unit configured for displacing the biomass from the inlet to the outlet, and at least one chamber surrounding at least part of an exterior surface of the feed screw unit, the chamber being in heat exchange relation with the exterior surface and configured for heating the exterior surface of the feed screw unit, the feed screw unit being sealed from the inlet to the outlet; and a pneumatic drying circuit configured for directing biomass in the dehumidifying unit using a flow of drying gases, the pneumatic drying circuit including a drying gas source configured for producing the drying gases.

PROCESS, SYSTEM AND REACTOR FOR PRODUCING 2G BIOETHANOL

Resumen de: WO2025109194A2

The present invention refers to an ultrasonic baffled hydrothermal (UBH) reactor for the pretreatment of lignocellulosic biomass, using rotating baffles (180) and blades (182) driven by a motor (73), surrounding heating coils (181) and ultrasonic probes (177, 123). The invention also refers to immobilized cellulase using metal-organic frameworks (MOF). This invention also refers to the counter-current saccharification process. The invention further refers to a thermosiphon which can be used couples with a falling film in a distillation. Additionally, it also refers to a process for producing bioethanol using said UBH reactor, the immobilized cellulase in a counter-current process and a falling film e coupled with the thermosiphon. A system for producing bioethanol comprising the UBH reactor, a saccharification counter-current process, falling films and a thermosiphon is also presented. The uses of the UBH reactor, the enzyme and the thermosiphon are also proposed.

PROCESS FOR PRODUCING BIO-OIL FROM LIGNIN

Resumen de: WO2025109515A1

Process for producing bio-oil from lignin comprising the following steps: (a) subjecting the lignin to extraction of the oligomers in the presence of at least one alcohol having from 1 to 5 carbon atoms, preferably from 1 to 2 carbon atoms, operating at the boiling temperature of said alcohol or, in the case of a mixture of alcohols at the temperature of the higher-boiling alcohol, for a time comprised between 30 minutes and 90 minutes, preferably comprised between 40 minutes and 70 minutes, obtaining a liquid phase comprising oligomers and at least one alcohol and a solid phase comprising lignin essentially free of said oligomers; (b) subjecting the solid phase comprising lignin essentially free of said oligomers obtained in step (a) to depolymerization in the presence of at least one alcohol having from 1 to 5 carbon atoms, preferably from 1 to 2 carbon atoms, in supercritical conditions, operating at a temperature comprised between 200°C and 300°C, preferably comprised between 220°C and 295°C, at a pressure comprised between 40 bar and 170 bar, preferably comprised between 50 bar and 150 bar, for a time comprised between 5 minutes and 150 minutes, preferably comprised between 10 minutes and 130 minutes, obtaining: - (i) a gas phase; - (ii) a mixture comprising an oily phase consisting of bio-oil, a liquid phase comprising at least one alcohol and a solid phase comprising carbon residues ("char"), an oily phase consisting of bio-oil and, optionally, unconverted lignin;

Métodos para producir combustible diésel mediante transesterificación de aceites vegetales sin catalizador

Resumen de: WO2025122999A1

A method of making a diesel fuel includes combining tetraalkoxyborate with a triglyceride composition to form a reaction mixture, where the triglyceride composition includes one of a vegetable oil or an animal fat. The method also includes heating the reaction mixture above 40 °C to form a diesel fuel including fatty acid alkyl esters.

一种生物质颗粒燃料原料粉碎除杂装置

Resumen de: CN224793601U

0001 本实用新型公开了一种生物质颗粒燃料原料粉碎除杂装置，包括矩形框，所述矩形框的内顶端左右两侧对称固定安装有第一导向板，所述矩形框的正面开设有卡槽，且卡槽的内部插设有过滤板，所述过滤板通过卡槽插设在矩形框的内部，所述过滤板位于两组第一导向板的底端，两组所述第一导向板的顶端固定安装有支撑架。本实用新型通过设置可抽插的过滤板以及配套的限位杆与磁吸条，使得过滤板的拆装更为便捷，便于定期清理或更换，有效解决了传统固定式过滤板清洁困难的问题，同时过滤板位于第一导向板的下方，能够初步筛分原料中的细小杂质，提升原料纯度，进而提高生物质颗粒的成型质量和燃烧效率。

一种生物质颗粒筛选设备

Resumen de: CN224793926U

本实用新型公开了一种生物质颗粒筛选设备，包括支架，还包括驱动机构、筛筒、进料斗以及出料斗；所述驱动机构倾斜固连于支架上；所述筛筒通过十字板与驱动机构同轴固连；所述进料斗固连于支架上且靠近筛筒的一端伸入筛筒倾斜的上端；所述出料斗固连于支架上且靠近筛筒的一端位于筛筒下部并向筛筒中部延伸。本实用新型的优点在于：通过设置不同孔径且按特定顺序排列的两级筛段和实心过渡段，以及三个独立的收集斗，实现了对细粉、小颗粒和合格颗粒的三级分离。筛选界限清晰，有效避免了碎屑混入成品，显著提高了最终生物质颗粒的产品质量。筛筒的倾斜设置和内部抛料板的设置，使物料能够翻滚并自动沿轴向迁移，透筛概率高，处理量大，不易堵塞。

用于木炭加工的碎木屑碾碎装置

Resumen de: CN224793675U

0001 本实用新型公开了用于木炭加工的碎木屑碾碎装置，具体涉及碎木屑碾碎技术领域，包括碾碎箱，碾碎箱的内部滑动连接有推料块，推料块的上端呈等距安装有多个支撑杆，支撑杆的上端安装有联动放料板，碾碎箱的上端安装有出料箱，出料箱的下端开设有出料槽，碾碎箱上设置有碾碎机构，碾碎机构上设置有支撑板，支撑板的上端开设有支撑槽，碾碎箱和推料块上设置有水平移动机构。本实用新型通过让推料块和挡料板联动设计，在推送碎木屑前进时自动封住下料口，后退时又能自动打开料口补料，这样每次只加入适配碾压量的碎木屑去碾压，从而不会因为堆得太多让碾轮打飞未碾压的碎屑导致与已碾压的碎屑混合在一起，避免了二次返工，提高了碾压效率。

MODULAR BIOMASS PYROLYSIS SYSTEM

Resumen de: WO2026196018A1

The present invention refers to a modular biomass pyrolysis system, for the production of energy and biomass-derived products, the modular biomass pyrolysis system comprising at least the following modular equipment units: distributed electric modules (5); actuation modules (6); biomass storage modules (7); biomass preparation modules (8); biomass transport modules (10); drying stage modules (11); reactor modules (12); and exhaust gases modules (17).

Pyrolyseanlage

Resumen de: DE102025110996A1

Die vorliegende Erfindung betrifft eine Pyrolyseanlage (1) zum Erzeugen von Pyrolysegas (30) und festem Pyrolysat (32) aus einem kohlenstoffhaltigen Substrat (21) umfassend eine Substrat-Zuführung (2), eine Festbettreinigung (3) mit einem Substrat-Einlass (4), einen Substrat-Auslass (5) und eine Reinigungsförderschnecke (17.2, 18.2), eine erste Schleuse (10) mit einem mit der Substrat-Zuführung (2) verbundenen Einlauf (10.1) und mit einem mit dem Substrat-Einlass (4) der Festbettreinigung (3) verbundenen Auslauf (10.2), einen Reaktor (6) mit einem Reaktor-Gehäuse (23.1, 24.1), einen im Reaktor-Gehäuse angeordneten Reaktor-Einlass (7), einen im Reaktor-Gehäuse angeordneten Reaktor-Auslass (8) und eine im Reaktor-Gehäuse rotierbare Reaktorförderschnecke (17.2, 18.2), eine Reaktor-Heizung (27), eine zweite Schleuse (11) mit einem mit dem Substrat-Auslass (5) verbundenen Einlauf (11.1) und mit einem mit dem Reaktor-Einlass (7) verbundenen Auslauf (11.2), eine Pyrolysat-Abführung (9), eine dritte Schleuse (12) mit einem mit dem Reaktor-Auslass (8) verbundenen Einlauf (12.1) und mit einem mit der Pyrolysat-Abführung (9) verbundenen Auslauf (12.2), eine Pyrolysegasleitung (28), die im Bereich des Reaktor-Auslasses (8) in den Reaktor (6) mündet und die im Bereich des Substrat-Auslasses (5) in die Festbettreinigung (3) mündet, und dazu eingerichtet ist, ein Strömen von Pyrolysegas (30) vom Reaktor (6) in die Festbettreinigung (3) zu ermöglichen, und einen Pyrolysegas-Aus

METHOD FOR TREATING A LIGNOCELLULOSIC BIOMASS

Nº publicación: US20260286398A1 24/09/2026

Solicitante:

IFP ENERGIES NOW [FR]
IFP ENERGIES NOUVELLES

Resumen de: US20260286398A1

A process for treating lignocellulosic biomass comprises: b) acidic or neutral pretreatment of the biomass to produce an acidic or neutral pretreated biomass,alternating withb′) basic pretreatment of the biomass previously placed under acidic, neutral or basic conditions to produce a basic pretreated biomass,followed byc) enzymatic hydrolysis of the acidic pretreated biomass and/or of the basic pretreated biomass, to obtain a hydrolyzed biomass,d) solid/liquid separation of the hydrolyzed biomass obtained at the end of step c) in the form of sugar(s) or a step of solid/liquid separation of the hydrolyzed biomass in the form of sugar(s) obtained at the end of step c) then treated in steps subsequent to the enzymatic hydrolysis step c), in order to obtain a separated juice and an unconverted solid residue, ande) recycling the solid residue to basic pretreatment step b′).