Alerta

PELLETS, PROCESS FOR THEIR PRODUCTION, AND USE THEREOF

Resumen de: WO2025103595A1

The present invention reveals a novel solid fuel in the form of pellets made from comminuted lignocellulosic energy crops materials: Spanish broom (Spartium junceum L.), giant miscanthus (Miscanthus x giganteus), Virginia mallow Sida hermaphrodita (L.) Rusby, giant reed (Arundo donax L.), and/or waste materials from these plants, and concentrated black liquor or concentrated and dried black liquor obtained as a side-product from the production of lignocellulose fibers from said plants by the citric acid/hydrogen peroxide-based process, as well as the process for the production of said pellets. The pellets are characterized by ash content ≤7% w/w, sulfur content ≤0.08% w/w, and an intrinsic energy value of 16.00-19.50 MJ/kg. The pellets according to the present invention are used as an environmentally friendly and renewable solid fuel or starting material for manufacturing various renewable chemicals in biorefineries.

METHOD FOR PRODUCING BIOFUEL, APPARATUS FOR PRODUCING BIOFUEL, AND BIO-OIL

Resumen de: WO2025105594A1

Provided is a method for producing a biofuel, which is economical and exhibits both carbon reduction and resource recycling effects. According to an aspect, a method for producing a biofuel is provided comprising the steps of: (S1) preparing a raw material including at least one of cashew nut shells, cashew nut shell cakes, vegetable oil residues, and husks; and (S2) pyrolyzing the raw material through pyrolysis to obtain sub-gas, bio-char, and bio-oil.

CARBIDE PRODUCTION SYSTEM AND CARBIDE PRODUCTION METHOD

Resumen de: US2025162880A1

A carbide production system includes a combustion furnace having a first biomass supply port for supplying first biomass and including a combustion chamber for burning the first biomass with air; and a carbide recovery device connected to the combustion furnace for recovering carbides produced from the second biomass. The second biomass is supplied through a second biomass supply port provided downstream of the first biomass supply port to a carbonization region in which a low-concentration oxygen gas produced by heating due to combustion of the first biomass and having an oxygen concentration lower than air due to the combustion of the first biomass exists.

RECOMBINANT YEASTS WITH RECOMBINANT XYLOSE REDUCTASE, XYLITOL DEHYDROGENASE, AND/OR XYLULOKINASE GENES AND METHODS OF USING SAME

Resumen de: US2025163362A1

Recombinant yeasts comprising recombinant xylose reductase, xylitol dehydrogenase, and/or xylulokinase genes and methods of using same, such as for producing ethanol from xylose-containing feedstocks.

ETHANOL

Resumen de: US2025163199A1

The present disclosure provides a novel and practical alcohol and derivatives thereof which have more industrial value than existing petrochemical raw materials. The present disclosure further provides ethanol, characterized in that a peak in gas chromatography measured by gas chromatograph spectrometry (GC/MS) has at least one peak with a retention time selected from (A) a peak of 5 minutes 25 seconds to 5 minutes 35 seconds and two peaks of 2 minutes 55 seconds to 3 minutes 5 seconds; (B) a peak of 12 minutes 30 seconds to 12 minutes 40 seconds; (C) a peak of 6 minutes 36 seconds to 6 minutes 45 seconds; and (D) a peak of 15 minutes 00 seconds to 15 minutes 15 seconds.

A HARDWOOD-DERIVED CARBOHYDRATE COMPOSITION

Resumen de: US2025163090A1

A hardwood-derived carbohydrate 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.

BIOCONVERSION OF LEVULINIC ACID IN GENETICALLY ENGINEERED HOSTS

Resumen de: US2025163478A1

Described is a recombinant expression vector that enables a cell transformed to contain and express the vector to use levulinic acid as a carbon source, thereby converting levulnic acid into 2-butanne. Also described are genetically modified cells transformed to contain and express the vector and methods of using the cells to produce 2-butanone from a medium containing levulinic acid.

PROCESS FOR PRODUCING SOLID BIOMASS FUEL

Resumen de: US2025163340A1

A process for producing a solid biomass fuel, wherein the process comprises the following steps: (i) providing a biomass composition comprising biomass particles with an average particle diameter (D50) of from 1,000 m to 75,000 m; (ii) pulverising the biomass composition to provide a pulverised biomass powder with an average particle diameter (D50) of from 500 m to 10,000 m; (iii) drying the pulverised biomass powder so as to provide a dried pulverised biomass powder; (iv) molding the dried pulverised biomass powder so as to provide a molded biomass product; (v) heating the molded biomass product to a temperature of from 110 C to 500 C for a time period of from 0.2 to 6 hours so as to provide a solid biomass fuel; wherein the biomass composition comprises rice straw, tobacco straw, pepper straw, aubergine straw, cassava straw, yellow bean straw, chick pea straw, Glycine max straw, palm leaves, cashew shells, Chinese chestnut shells, pistachio shells, sunflower seed shells, walnut shells, pine nut shells, hemp, moso bamboo, hemp bamboo, arrow bamboo, lychee shells, cinnamon (logan) shells, snake skin fruit shells, mangosteen shells, durian shells, soybean residue, peanut residue, cassava residue, sweet potato residue, coffee bean residue, or combinations thereof.

一种柴窑

Resumen de: CN222881673U

本实用新型公开了一种柴窑，包括具有窑室的窑体，设置于窑体前端处、用于启闭窑室的窑门，以及排气管；所述窑体的两侧均设置具有燃烧室的燃烧炉；所述燃烧炉的高度低于窑体；所述燃烧室与窑室邻接处的下部设置有挡火墙，所述燃烧室的上部与窑室相连通；所述燃烧室具有投料口，所述燃烧炉上设置有用于启闭投料口的炉门；所述燃烧室的底部设置有炉条，所述燃烧炉上、位于燃烧室的下方设置有集灰室，所述集灰室的下部设置有出灰口；所述窑体的后端设置具有集气室的集气体，所述窑室后端处的下部设置用于连通集气室的排气口；所述排气管设置于集气体的顶部且与集气室相连通。本实用新型的优点在于：热量能够更加均匀地分布在整个窑室内，从而避免了传统单燃烧室布局中常见的温度不均问题。

一种设有温感递增结构的双室型生物质热解气化炉

Resumen de: CN222877884U

本实用新型公开了一种设有温感递增结构的双室型生物质热解气化炉，涉及气化炉技术领域，包括外壳和隔离板，所述隔离板固定连接于外壳内部，且隔离板将外壳内部分隔为独立的空间；所述外壳内部设置气化炉结构，该一种设有温感递增结构的双室型生物质热解气化炉，设置有气化炉结构，生物质原料在经过热解室底部时，生物质原料在向下移动的过程中其半径将会缩小，使得生物质原料中心更加接近于次加热丝，实现生物质原料在向下移动其中心温度将会逐渐递增，同时生物质原料通过连通口进入气化室内部，并且在气化室运动至底部后，生物质原料中心温度将会逐渐递增，通过对生物质原料进行递增加热模式，可以更有效地利用生物质的热值。

一种麻秆颗粒燃料加工用粉碎装置

Resumen de: CN222869467U

本实用新型涉及麻秆粉碎技术领域，且公开了一种麻秆颗粒燃料加工用粉碎装置，包括外壳，所述外壳的左侧设置有输送机，所述输送机的传送带外侧面固定连接有下凸块；所述外壳的右侧固定连接有第一电机，所述第一电机的输出端固定连接有转动轴，所述转动轴的左侧活动贯穿进外壳内并固定连接有第一切割刀，所述外壳的顶部固定连接有两个电动推杆，两个所述电动推杆的底部贯穿进外壳内并固定连接有框架，所述框架内转动设置有压辊，所述压辊的表面固定连接有上凸块。该麻秆颗粒燃料加工用粉碎装置，通过第一电机驱动转动轴使第一切割刀转动，对麻秆进行初次粉碎操作，保证了物料的稳定输送，避免物料未被压紧时被第一切割刀卷落而影响了粉碎效率。

一种玉米秸秆制作肥料用碳化设备

Resumen de: CN222877874U

本实用新型涉及秸秆碳化技术领域，具体为一种玉米秸秆制作肥料用碳化设备，包括挡板和混合组件，所述混合组件设置在挡板的底部，所述混合组件包括两个固定杆一，两个所述固定杆一固定连接在挡板的底部且呈对称分布，所述固定杆一的底部固定连接有轴承一，所述轴承一的中部转动连接有齿环，所述挡板的底部固定连接有两个固定杆二且呈对称分布。该玉米秸秆制作肥料用碳化设备，通过安装混合组件，可以对玉米秸秆进行搅拌工作，且通过齿环与齿轮一的配合使用，使得在对玉米秸秆进行碳化工作时，可以将玉米秸秆与药水混合的更加均匀，使药水可以更加契合的融合到碳化后的玉米秸秆中，使得碳化后的玉米秸秆可以适配与不同的工作环境进行使用。

一种生物炭生产的秸秆颗粒除尘结构

Resumen de: CN222872647U

本实用新型公开了一种生物炭生产的秸秆颗粒除尘结构，包括除尘罐，除尘罐的内壁固定套接有锥形滤板，锥形滤板的内侧表面开设有呈环形阵列分布的滤孔，锥形滤板的内壁固定套接有回流底板，回流底板的上表面固定连接有循环管，回流底板的下表面固定连通有出料管，出料管的一端贯穿并延伸至除尘罐的下表面，该循环运动装置，起到实现了带动秸秆颗粒进行往复的升降循环运动，通过秸秆颗粒的运动使其内部掺杂的灰尘颗粒通过滤孔进行筛除，并且通过秸秆颗粒的运动使其细小的粉尘在除尘罐内飘散，从而便于吸尘斗对细小粉尘进行统一收集处理，不仅实现高效除尘，且避免了粉尘飘扬对工作人员健康产生损害。

一种防上料堵塞的秸秆造粒机

Resumen de: CN222872087U

本实用新型公开了一种防上料堵塞的秸秆造粒机，涉及秸秆上料防堵技术领域，该一种防上料堵塞的秸秆造粒机，包括底板，底板上方设置有进料仓，进料仓下表面设置有防护箱，防护箱内转动连接有两个切割辊，防护箱右表面固定连接有连接块，本实用新型通过将待加工的秸秆放入进料仓内，启动电机一其输出轴将带动与其固定的齿轮一起转动，而齿轮在转动过程中将带动与其啮合的另一个齿轮一起转动，两个齿轮在啮合的过程中将带动与其固定的切割辊一起转动，两个切割辊朝相对面转动过程中会将秸秆进行切碎和打散，通过此结构在将秸秆送入造粒机之前，先将其进行预处理，使其更易于在上料过程中流动，并降低堵塞的风险。

一种秸秆加工用制粒设备

Resumen de: CN222872098U

本实用新型公开了一种秸秆加工用制粒设备，涉及制粒生产技术领域，包括底座，所述底座上表面固定设置有制粒筒，所述制粒筒上端连通有水平分布的上料筒，插入上料筒内的秸秆会自动向制粒筒中输送，所述制粒筒内部固定有磨盘，所述底座一侧固定设置有第二电机，所述第二电机的输出端通过齿轮组驱动磨盘表面的磨轮转动。本实用新型公开的秸秆加工用制粒设备通过上料筒内部的水平粉碎刀对秸秆进行初步粉碎，粉碎的秸秆会向下掉落至制粒筒内，并经过竖直粉碎刀进行进一步粉碎处理，搭配磨盘和磨轮将秸秆挤压熟化，使得设备能够结合粉碎制粒为一体，生产成本和效率均得到有效改善。

一种具有预粉碎功能的生物质颗粒燃料配比装置

Resumen de: CN222871991U

本实用新型公开了一种具有预粉碎功能的生物质颗粒燃料配比装置，涉及生物质颗粒燃料生产领域，包括混料罐、处理罐和混料组件，所述混料罐的顶部一侧固定连接有进料斗，且进料斗的两侧设置有输送管，并且输送管的内侧设置有螺旋输送器。该一种具有预粉碎功能的生物质颗粒燃料配比装置，通过设置有破碎组件和混料组件，在生物质颗粒燃料生产时对燃料配比装置进行使用的过程中，对原料进行层层筛分，使得原料破碎打散更加充分，从而达到预粉碎的效果，便于后续对原料的使用，同时对配比后的原料之间进行搅拌混合，且使得混合结果更加充分，使得生物质颗粒燃料生产过程更加顺利，方便工作人员对燃料配比装置的使用。

一种生物质燃烧的加压热解装置

Resumen de: CN222877873U

本实用新型涉及生物质热解技术领域，且公开了一种生物质燃烧的加压热解装置，包括炉体，所述炉体的内部设置有热解腔，所述炉体的顶部安装有入料粉碎器，所述热解腔的内壁与炉体的内部之间安装有加热器，所述炉体的内外侧安装有清理组件。该生物质燃烧的加压热解装置，借助连杆的设置，使驱动的减速电机位于炉体的外部，从而方便驱动电机向外发散热量进行降温散热工作，以保证驱动机构的正常使用，进而延长驱动机构的使用寿命，同时，借助隔热板和电动伸缩杆活塞外表面耐高温涂层的设置，使的电动伸缩杆能够在热解腔内部正常运行，配合密封块对安装槽的密封作业，方便后期施工人员对电动伸缩杆的拆装操作。

一种生物质燃料颗粒机

Resumen de: CN222872389U

本实用新型涉及一种生物质燃料颗粒机，属于颗粒机领域，包括处理箱，所述处理箱的前后两侧内壁设有对生物质原料进行过滤分选转运的筛选机构。该生物质燃料颗粒机，通过设置了筛选机构，经过破碎的原料下落到筛选板上，生物质原料受到振动电机的振动作用进行筛选，合格尺寸的原料通过筛选板的孔洞，落入输送带输送至颗粒机造粒组件制成生物质燃料颗粒，未能通过筛选板的尺寸过大原料进入回料组件将原料带动重新投入处理箱内进行进一步破碎处理，破碎后的原料再次进入筛选机构进行筛选，通过筛选、破碎、再筛选、造粒等步骤，将生物质原料转化为尺寸一致的生物质燃料颗粒，以提高燃料的燃烧效率和使用便捷。

BIOCHAR REACTOR

Resumen de: FI20236266A1

The application relates to a biochar reactor (100) for producing biochar (BC). The biochar reactor comprises a horizontal reactor chamber (102), a receiver (104) for receiving (472) biomass (BM) to the biochar reactor, a pyrolyzer (108) for pyrolyzing (480) the received biomass to produce the biochar, a cooler (114) for cooling (488) the produced biochar, and a controller (346) for controlling the biochar reactor. The pyrolyzer comprises at least one pyrolyzer section (110) so that each pyrolyzer section (110) is configured to pyrolyze the biomass by using a unique section-typical temperature range. The biochar reactor is configured to mix an additive (AD) with heat gas (HG) that flows forcedly through a pyrolyzer section (110) to cause a process temperature (T1, T2) within the section-typical temperature range in said pyrolyzer section (110) to improve a result of a pyrolysis process.

一种竹炭生产用竹炭粉筛粉装置

Resumen de: CN222872665U

本实用新型涉及竹炭生产技术领域，具体为一种竹炭生产用竹炭粉筛粉装置，包括箱体，所述箱体的内部通过往复机构设置有过滤网；所述往复机构包括横滑槽、滑杆、活动板、立柱、横轴、凸轮、电机、皮带轮；所述横滑槽贯穿开设在箱体的前后两侧，所述滑杆的数量为两个，所述过滤网固定连接在两个所述滑杆上，两个所述滑杆滑动贯穿横滑槽，所述过滤网呈左高右低状设置，通过设置横滑槽对滑杆移动进行限位，所述立柱、横轴、皮带轮的数量为两个，通过电机带动左侧横轴旋转，左侧横轴旋转带动过滤网以倾斜的角度做左右往复移动，由此过滤网可以对竹炭粉进行抖筛，并且竹炭粉中的杂质会滚落至杂物盒中，避免了杂质堵塞过滤网，保证了过滤网的通畅性。

IMPROVED FERMENTATION PROCESSES FOR MAKING ETHANOL

Resumen de: WO2025099215A1

The present invention provides a probiotic and dextranase pretreatment method for improving microbial stability and yield of sugar syrups (e.g. molasses) without using thermal, chemical or antimicrobial pretreatment. Pretreated sugar syrup is applied in a continuous ethanol fermentation using at least two fermenters for dilution from one to next to maintain steady state ethanol concentration, resulting in ethanol productivity improvement as well as reduction in energy and water usage compared to traditional ethanol plants, without affecting quality and quantity of the end products.

YEAST STRAIN DEVELOPMENT FOR ETHANOL PRODUCTION

Resumen de: AU2023373835A1

Disclosed herein are yeast strains and derivatives thereof, as well as compositions comprising the yeast strains for use in ethanol manufacture. The disclosure also relates to processes for producing ethanol from biomass using the yeast strains and compositions. In particular, the yeast strains produce lower glycerol and higher ethanol, and have a higher temperature tolerance and higher fermentation rate than strains and products currently used in ethanol production processes.

DISPLAY CONTROLLER FOR BISTABLE ELECTRO-OPTIC DISPLAY

Resumen de: US2025157427A1

There are provided display controllers and driving methods related to those described in US Published Patent Application No. 2013/0194250. These include (a) a display controller having an update buffer, means for removing from the update buffer pixels not requiring updating, and means to ensure that pixels having certain special states are not removed from the update buffer; (b) a method of driving a bistable display wherein, in a pixel undergoing a white-to-white transition and lying adjacent another pixel undergoing a visible transition, there is applied to the pixel one or more balanced pulse pairs and at least one top-off pulse; (c) a method of driving a bistable display by overlaying a non-rectangular item over a pre-existing image content and then removing the item, where only pixels in the region of the item perform transitions (including self-transitions); and (d) a method of driving a bistable display in which a proportion of background pixels not undergoing an optical change are subjected to a refresh pulse to correct optical state drift.

SEMI-CONTINUOUS CULTURE METHODS

Resumen de: US2025154552A1

Provided herein are methods of culturing a microorganism. The methods include providing a container comprising one or more microorganisms in a medium, which has a first carbon to nitrogen ratio; culturing the microorganisms until the culture reaches a threshold indicator; harvesting a portion of the culture while maintaining the majority of the culture in the container; and adding fresh medium comprising a second carbon to nitrogen ratio to the container with the majority of the culture comprising the microorganisms.

1,4-BUTANEDIOL PRODUCING MICROORGANISM AND METHOD FOR PREPARING BUTANEDIOL USING THE SAME

Nº publicación: US2025154536A1 15/05/2025

Solicitante:

DAESANG CORP [KR]
DAESANG CORPORATION

Resumen de: US2025154536A1

The present invention relates to a microorganism that produces 1,4-butanediol and a method of producing 1,4-butanediol using same. The microorganism according to the present invention is able to efficiently produce 1,4-butanediol using ornithine as a carbon source, unlike naturally occurring microorganisms.