451 results about "Biofuel" patented technology

This invention concerns a fuel delivery system for an aircraft engine, comprising a fuel delivery regulator configured to receive fuel from a plurality of fuel sources for supply to the engine. An engine operating condition sensor reading is received by a control unit configured to control operation of the regulator. The control unit is configured to actuate the regulator based on a received signal from the engine operating condition sensor in order to vary the volume of fuels from the plurality of fuel sources supplied to the engine during at least a portion of a cruise phase relative to a further portion of an aircraft flight. The different fuels may comprise kerosene and an alternative fuel, such as a biofuel.

A floating platform for providing electrical power to a requester of electrical power includes a power generator structured to produce electrical power in excess of 1 Megavolt-Ampere (MVA), at least one high-voltage electrical connector that is structured to couple to an electrical connection from the requester, and a power delivery system that is structured to supply the electrical power in excess of 1 MVA to the requester through the high-voltage electrical connector. The power generator may be turned by an engine running on biofuel. Methods of supplying power from a floating platform to a requesting vessel are also described.

The “Industrial Digestive System” encapsulates a novel paradigm in waste management and resource recovery, bridging the gap between sophisticated computational intelligence and industrial automation. The hardware component replicates the natural digestive system's efficiency in processing a diverse range of inputs, including municipal and industrial waste, transforming them into valuable outputs like biofuels, chemicals, and advanced composite / conglomerate materials. This process is achieved through a series of mechanized operations. Complementing the hardware, the software facet of the invention is rooted in advanced machine learning and optimization algorithms that optimize multivariable functions for the most efficient conversion of input to resources, orchestrating the transformation from varied waste streams, elements, and molecules into solid, liquid, and gaseous outputs. The result is an automated, intelligent manufacturing machine that enhances product quality and operational efficacy. “The Industrial Digestive System” can be seen as a new branch of cybernetics, a cyber-physical system inspired by nature.

The invention provides a fleet route allocation optimization method and system, and the method comprises the steps: firstly obtaining ship data of each ship in a fleet and route data of each route, and taking the minimization of the total usage amount of biofuel of the fleet in a planned period and the minimization of the total economic loss caused by not meeting the maximum deployment number of the routes as targets; the method comprises the following steps: respectively establishing a first objective function and a second objective function under a plurality of constraint conditions which are established by taking a ship total number limit and a fuel consumption limit which are deployed in each ship route every year, a ship route change total number limit of a fleet in any year, and a CII grade standard limit of each ship as constraints; and constructing a multi-objective optimization mathematical model based on the first objective function and the second objective function, calculating the multi-objective optimization mathematical model by adopting a non-dominated sorting genetic algorithm to obtain a Pareto optimal solution set, and selecting a final fleet route allocation scheme according to the Pareto optimal solution set. And dual minimization of the total usage amount and the total economic loss of the biofuel is realized.

A process and apparatus for producing biofuel from biorenewable feedstock is disclosed. The process comprises hydrotreating the biorenewable feed stream in a hydrotreating reactor to hydrodeoxygenate a biorenewable feed stream to provide a hydrotreated effluent stream. The hydrotreated effluent stream is separated in a hot separator into a hot separated vapor stream and a hot separated liquid stream. A hydroisomerization feed stream is taken from the hot separated liquid stream and hydroisomerized in a hydroisomerization reactor to provide a hydroisomerized stream. All or a portion of a return stream taken from the hot separated vapor stream is recycled to the hydroisomerization reactor. The disclosed process and apparatus minimize the carryover of the normal C16 to the biofuel and maximizes the hydroisomerization of n-paraffin hydrocarbons in the hydrotreated effluent stream to produce a biofuel which meets the biofuel specification without affecting or compromising the biofuel yield.

A process and apparatus for producing biofuel from biorenewable feedstock is disclosed. The process comprises hydrotreating the biorenewable feed stream in a hydrotreating reactor to hydrodeoxygenate a biorenewable feed stream to provide a hydrotreated effluent stream. The hydrotreated effluent stream is separated in a hot separator into a hot separated vapor stream and a hot separated liquid stream. A hydroisomerization feed stream is taken from the hot separated liquid stream and hydroisomerized in a hydroisomerization reactor to provide a hydroisomerized stream. All or a portion of a return stream taken from the hot separated vapor stream is recycled to the hydroisomerization reactor. The disclosed process and apparatus minimize the carryover of the normal C16 to the biofuel and maximizes the hydroisomerization of n-paraffin hydrocarbons in the hydrotreated effluent stream to produce a biofuel which meets the biofuel specification without affecting or compromising the biofuel yield.

The invention provides a new energy power generation prediction system and method, and relates to the field of power generation prediction. An environment monitoring and prediction system is connected with a power generation management and microalgae culture system; according to the environment monitoring and prediction system, an environment monitoring module is connected with a data preprocessing module, the data preprocessing module is connected with a prediction module, and the prediction module is used for modeling and analyzing collected data so as to predict the power generation efficiency of the ocean temperature difference and wave energy power generation device and the microalgae culture pond and periodically update a power generation prediction model. New and old data are fused through iterative training; the power generation management and microalgae culture system comprises a power generation management module, the power generation management module is connected with an ocean temperature difference and wave energy power generation device and a microalgae culture pond, and when it is predicted that the power generation efficiency of the power generation device is low, illumination and nutrition supply of the microalgae culture pond is dynamically adjusted to optimize the microalgae growth rate and biomass. And the efficiency of the power generation device is compensated through biofuel generated by the microalgae, so that the overall power generation efficiency is improved.

The utility model relates to the technical field of biofuel, in particular to a biofuel filtering device which is characterized in that the upper end of a base is fixedly connected with an outer box, the upper side of the interior of the outer box is rotatably connected with a rotary filtering box, and the interior of the rotary filtering box is rotatably connected with a filtering round frame; according to the device disclosed by the utility model, biofuel can be injected into the filter groove in the front side of the interior of the rotary filter box under the action of the feed pipe and is filtered through the filter screen plate, and the filtered biofuel can be discharged through the discharge pipe; after filtration, a worm can drive a worm gear to rotate by rotating a motor, so that a filter screen plate after biofuel filtration can rotate, the filter screen plate can be washed through a cleaning pipe, and the cleaned filter tank is subjected to air drying treatment through a fan; therefore, the rotary filter box can rotate and continuously filter the biofuel.

The utility model discloses a boiler biofuel feeding device which comprises a feeding hopper, and a beating assembly for beating the inner wall of the feeding hopper is arranged in the feeding hopper. The beating assembly comprises a mounting shell fixedly mounted in the feeding hopper, a rotating shaft rotationally connected to the interior of the mounting shell and a rotating motor fixedly mounted on the periphery of the feeding hopper, the rotating shaft penetrates through the feeding hopper and is rotationally connected with the rotating motor, and an inclined disc is fixedly arranged on the periphery of the rotating shaft; a first sliding base is fixedly installed on the periphery of the rotating shaft, and a second sliding base is fixedly installed at the end, opposite to the first sliding base, of the periphery of the rotating shaft. According to the feeding hopper, the inner wall of the feeding hopper can be continuously vibrated through the beating assembly, the adhesion of biofuel on the inner wall of the feeding hopper is reduced, meanwhile, the bridging or stacking phenomenon of the biofuel can be scattered, the blocking or adhesion phenomenon of the feeding hopper during feeding is reduced, and the using smoothness of the feeding hopper is improved.

This invention concerns a fuel delivery system for an aircraft engine, comprising a fuel delivery regulator configured to receive fuel from a plurality of fuel sources for supply to the engine. An engine operating condition sensor reading is received by a control unit configured to control operation of the regulator. The control unit is configured to actuate the regulator based on a received signal from the engine operating condition sensor in order to vary the volume of fuels from the plurality of fuel sources supplied to the engine during at least a portion of a cruise phase relative to a further portion of an aircraft flight. The different fuels may comprise kerosene and an alternative fuel, such as a biofuel.

The invention discloses an aviation fuel gear pump performance prediction method based on lumped parameters, which relates to the technical field of aviation hydraulic simulation, and comprises the following steps: dividing fluid working cavities according to the geometric structure of a fuel gear pump, defining the flow exchange relation and the pressure change relation among the fluid working cavities, and establishing a coupling calculation path; forming a basic prediction model; the method comprises the following steps: extracting a biofuel blending ratio and a water content parameter according to a fuel component parameter input in real time, comparing the biofuel blending ratio and the water content parameter with a preset blending ratio threshold to trigger a corresponding correction rule, generating a compensation coefficient, and generating an elastic modulus parameter in combination with the water content parameter and the compensation coefficient; and inputting a preset working condition parameter and an elastic modulus parameter into the basic prediction model, calculating mass flow exchange data through the flow exchange relationship, driving the pressure change relationship to solve, and outputting an initial pressure distribution vector. Through the elastic modulus parameter dynamic generation step, the problem of physical property parameter static correction distortion under the variable component working condition is solved.

The subject invention provides compositions and methods for reducing the carbon footprint of producing biofuels. Microbe-based soil treatment compositions are utilized to reduce greenhouse gas emissions resulting from the agricultural practices of producing feedstock crops.

The present invention aims to provide a method and an apparatus for producing biojet fuel that can efficiently and stably produce biojet fuel using biomass such as sewage sludge and organic waste. [Solution] The present invention provides a method for producing biojet fuel, which includes a carbonization process for carbonizing biomass such as sewage sludge and organic waste to produce a carbonized product, a reformed-gasification process for gasifying the carbonized product with steam and carbon dioxide to produce a reformed gas, an olefin production process for contacting the reformed gas with a methanol synthesis catalyst and a mesoporous catalyst to produce olefins having 2 to 4 carbon atoms, an oligomerization reaction process for oligomerizing the olefins to produce iso-oligomers having 6 to 16 carbon atoms, a hydrogenation process for hydrogenating the iso-oligomers to produce a biojet fuel containing isoparaffin, and a process for separating and recovering metal-containing residue generated in the reformed-gasification process and mixing it with the biomass.

The invention discloses a method for recovering valuable metals by roasting waste coffee grounds and metallurgical waste residues, and relates to the crossing field of biofuel and environmental engineering, the metallurgical waste residues and the waste coffee grounds are respectively pretreated and then mixed according to a certain mass ratio to obtain a mixture, and then the mixture is roasted and cooled to obtain molten residues; and finally, the molten slag is subjected to magnetic separation, and valuable metal is obtained through recovery. According to the method, the valuable metal is recycled through collaborative roasting of the waste smelting slag and the waste coffee grounds in the metallurgical production industry, secondary recycling of the copper slag is achieved, and meanwhile the problems of open circuit at the tail end of the copper slag and organic pollution of the waste coffee grounds are solved. Rich organic matters in the waste coffee grounds are used as a utilization target, so that waste is turned into wealth, and a green low-carbon economic sustainable development road is opened up for treatment of the waste grounds and the waste coffee grounds in the metallurgical industry.

The utility model relates to the technical field of biofuel, and discloses biofuel production equipment which comprises a feeding pipe, a smashing cavity used for smashing is fixedly installed at the bottom of the feeding pipe, and a conveying pipe used for conveying is fixedly installed at the bottom of the smashing cavity. A feeding auger used for conveying materials is rotatably installed in the material conveying pipe, one end of the feeding auger penetrates through the material conveying pipe and is fixedly connected with the output end of the driving motor, and a mixing bin used for mixing is fixedly installed at the other end of the material conveying pipe; according to the device, through mutual cooperation of the structures, one-stop pre-treatment can be carried out on biofuel before finished product processing is carried out on the biofuel, the tedious step of manual transfer is omitted, the production efficiency is effectively improved, the production time is saved, subsequent biofuel processing and using are more convenient, and the device is more practical.

The present technology relates to biofuels, and more particularly, to biomass-based diesel from olefin oligomers. Diesel fuels with cetane number of 49 or greater are prepared by blending hydrocarbons produced by olefin oligomerization with renewable diesel, resulting in a blended fuel that has a lower cloud point than the cloud point of the renewable diesel. A different aspect relates to an integrated process for lipid HDO and olefin oligomerization wherein the propane coproduct of lipid HDO is subjected to dehydrogenation to produce a vapor stream having propylene and hydrogen. The propylene is subsequently oligomerized to iso-olefins and the iso-olefins are combined with the lipid feed for hydrogenation in the HDO reactor.

An artificial intelligence fuel management system and method that facilitates optimizing fuel management and vehicle service times for a variety of vehicle types through determining the remaining trip range for a vehicle and providing optimal routing and vehicle fueling options for a trip route involving autonomous vehicles, vehicle platoon management, and / or vehicular fuel management systems. The associated vehicles are fueled by at least one of a liquid fuel and an alternative fuel. The liquid fuel is either gasoline or diesel, and the alternative fuel is either electricity, bio-fuel, bio-alcohol, synthetic and paraffinic, steam, heat, vegetable and waste-derived oils, compressed air, liquid nitrogen, liquid petroleum gas, propane, hydrogen, ethanol, methanol, butanol, or natural gas.

The invention discloses a Mo in-situ doped transition metal layered double hydroxide derivative catalyst. The Mo in-situ doped transition metal layered double hydroxide derivative catalyst is of a nanometer two-dimensional layered structure; nitrate, aluminum nitrate and molybdate are used as raw materials, and a series of nano flaky Mo-X / Al2O3 composite metal oxide catalysts with high activity, high selectivity and high stability are obtained through co-hydrothermal precipitation and one-step roasting reduction. The invention further discloses a preparation method and application of the Mo in-situ doped transition metal layered double hydroxide derivative catalyst. According to the invention, macromolecules in biomass or biomass waste can be effectively depolymerized and liquefied into high-calorific-value bio-oil, so that the effect of turning waste into wealth from oriented conversion of the waste into bio-fuel is realized, and meanwhile, the bidirectional positive effects of avoiding environmental pollution caused by direct emission of the biomass waste and realizing comprehensive utilization of resources are realized; and a path with more economic benefits is provided for conversion from biomass wastes to renewable energy sources.

The invention discloses a method for improving the fermentation performance of clostridium aerovorans and application of the clostridium aerovorans, and according to the method, an effective amount of methionine or a derivative thereof is added into a fermentation culture medium of the clostridium aerovorans to completely replace expensive complex organic nitrogen sources such as yeast extracts. The method successfully solves the three technical bottlenecks of slow biomass accumulation, low ethanol yield and dependence on expensive nitrogen sources in the fermentation process of the clostridium aerovorans by utilizing synthesis gas or CO2 / H2 mixed gas. Experiments prove that methionine or a derivative thereof can synergistically promote growth metabolism of thalli and a synthesis path of a product, so that the gas conversion efficiency of a carbon source is remarkably improved and metabolism is guided to flow to ethanol synthesis while the growth rate and the final biomass of the thalli are improved, and thus the production capacity of alcohols is synchronously enhanced. The method is simple in process and remarkable in effect, and an efficient and economical new strategy is provided for reducing the production cost of biofuel and promoting industrial application of a synthesis gas biorefinery technology.

Compositions and methods for a hybrid biological and chemical process that captures and converts carbon dioxide and / or other forms of inorganic carbon and / or CI carbon sources including but not limited to carbon monoxide, methane, methanol, formate, or formic acid, and / or mixtures containing CI chemicals including but not limited to various syngas compositions, into organic chemicals including biofuels or other valuable biomass, chemical, industrial, or pharmaceutical products are provided. The present invention, in certain embodiments, fixes inorganic carbon or CI carbon sources into longer carbon chain organic chemicals by utilizing microorganisms capable of performing the oxyhydrogen reaction and the autotrophic fixation of CO2 in one or more steps of the process.

The invention relates to the technical field of lithium ion battery positive electrode materials, and discloses a single crystal lithium nickel manganese oxide synthesized by a multi-stage stepped sintering method and a preparation method thereof, and the single crystal lithium nickel manganese oxide is characterized in that a synthesis temperature curve has a plurality of steps, i.e., a stage of rapidly rising the temperature of a material for many times and then decreasing the temperature occurs in a temperature rising process. The method specifically comprises the following steps: heating mixed raw materials for a short time by utilizing infrared radiation heating to discharge a water atmosphere; biofuel and fossil fuel are utilized, mixed raw materials are heated for a short time, decomposition of lithium carbonate is accelerated, and gases such as CO2 which are not beneficial to synthesis of lithium nickel manganese oxide are discharged; the growth of single crystal lithium nickel manganese oxide is accelerated by using a gradient thermal field; and heating and cooling again in the cooling stage to obtain the single-crystal lithium nickel manganese oxide. The single-crystal lithium nickel manganese oxide has good processing performance, and shows better cycle performance and high-temperature shelving performance.

A method of capturing and disposing of fats, oil and / or grease (“FOG”) is disclosed. The method includes providing a vacuum truck to a user, wherein the vacuum truck has a tank with (1) a vacuum hose; (2) an inlet to the tank connected directly to the hose; (3) an outlet from the tank; (4) and one or more mixing components. The method also calls for positioning an absorbent material within the tank that is capable of absorbing a quantity of FOG. Next, FOG is vacuumed from a grease trap via the hose and mixed with the absorbent material to create a biofuel. Finally, the biofuel is discharged from the outlet of the tank into a containment device at a burn facility and subsequently burned. Alternatively, the absorbent material may be contained within a containment device at the burn facility and mixed with the FOG at the facility before being burned.

The invention relates to a cylindrical flow reactor for electrosynthesis of biofuel using Colbe reaction. Each reactor unit is composed of a central rod-shaped electrode and an outer tube electrode which are separated through electric insulation supporting objects located at the two ends of the reactor, the membrane-free cylindrical continuous flow reactor is characterized in that no membrane is arranged between the electrodes, and the membrane-free cylindrical continuous flow reactor can be used for preparing the membrane-free cylindrical continuous flow reactor by regulating disproportionation reaction in Kolbe, so that the membrane-free cylindrical continuous flow reactor can be used for preparing the membrane-free cylindrical continuous flow reactor, and the membrane-free cylindrical continuous flow reactor can be used for preparing the membrane-free cylindrical continuous flow reactor. According to the present invention, the bio-derived fatty acid is subjected to electrocatalytic conversion into the hydrocarbon (alkane / olefin) alcohol and aldehyde biofuel through the three paths of the dimerization condensation reaction and the Hough-Moest reaction, such that the by-product of the ester biodiesel is furthest reduced, and the cost is reduced due to the expandable cylindrical design.

The present invention relates generally to the generation of bio-products from organic matter feedstocks. More specifically, the present invention relates to improved methods for the hydrothermal / thermochemical conversion of lignocellulosic and / or fossilized organic feedstocks into biofuels (e.g. bio-oils) and / or chemical products (e.g. platform chemicals).

The invention discloses a cleavable polysaccharide monooxygenase mutant FpLPMO9A-N160T and application of the cleavable polysaccharide monooxygenase mutant FpLPMO9A-N160T, and belongs to the field of enzyme engineering. The optimal temperature of the lytic polysaccharide monooxygenase mutant FpLPMO9A-N160T disclosed by the invention is 50 DEG C, the optimal pH is 5, and the enzymatic activity of the mutant FpLPMO9A-N160T is 10.8 times that of a wild type. The thermal stability of the lytic polysaccharide monooxygenase mutant is remarkably improved, IC50 is 101.1 min at the temperature of 50 DEG C and is 1.57 times that of a wild type, the activity of the mutant can be kept for a longer time at the high temperature, and better thermal stability is shown. The improvement has important significance on the expression of the LPMO in industrial application, especially in environments requiring high-temperature operation, such as biomass conversion, biofuel production and other processes. The higher thermal stability not only prolongs the service life of the enzyme, but also improves the efficiency and reliability of the enzyme in practical application.

The invention belongs to the field of biofuel preparation through grease hydrogenation, and provides a catalyst for biofuel preparation through waste grease one-step hydrogenation and a preparation method of the catalyst. The catalyst is a non-supported NixMoyWz-kHY catalyst, and the preparation method of the catalyst comprises the following steps: uniformly mixing a nickel source, a molybdenum source and a tungsten source according to a certain proportion, adding deionized water and a reaction aid ethylene glycol, dissolving, heating, stirring, adding an ammonia water-ethanolamine mixed solution, complexing, steaming until the pH value of the solution is 7-8, and filtering to obtain the catalyst. And adding a certain amount of HY molecular sieve powder, methyl cellulose (MC) and citric acid into the solution, filtering the reaction solution, drying the filter cake at 120 DEG C, performing extrusion molding, and roasting to obtain the catalyst. The catalyst provided by the invention effectively solves the problems of high oxygen content, difficulty in deep isomerization and the like in the waste oil and fat, has the functions of hydrodeoxygenation, cracking and isomerization at the same time, and realizes one-step conversion of the waste oil and fat into biological aviation kerosene and biodiesel. Besides, the non-supported catalyst adopted by the invention has high-activity center density, the problems of aging and shedding of the carrier are not needed to be worried about, and the preparation method of the catalyst is simple, environment-friendly and pollution-free, and meets the requirements of industrial preparation.

A method for treating grain having starch and non-starch carbohydrates, wherein the starch is present in an amount of at least 10% by weight based on the dry weight of the grain. Contacting the grains with a solution containing at least one alpha-hydroxysulfonic acid; and reacting under acid hydrolysis conditions to produce a product suitable for the production of chemicals and / or fuels.

A method of capturing and disposing of fats, oil and / or grease (“FOG”) is disclosed. The method includes: providing a porous container formed of a porous fabric, wherein the porous container is filled with an absorbent material capable of absorbing a quantity of the fats, oil, and / or grease through the porous fabric of the porous container; placing the porous container and the absorbent material contained therein in a grease trap; allowing the grease trap to fill up with water and a mixture of fats, oil, and / or grease; removing the fats, oil, and / or grease from the grease trap after a period of time, while the water remains in the grease trap; and transporting the fats, oil, and / or grease.

The application discloses a method for preparing a hydrogenation deoxidation intermediate by using conjugated fatty acids and application thereof, and belongs to the technical field of oil production biofuel. The method comprises the following steps: (1) subjecting conjugated fatty acids and a dienophilic monomer to a Diels-Alder addition reaction to obtain an addition product; and (2) removing unreacted raw materials from the addition product, so that the hydrogenation deoxidation intermediate is obtained. The method breaks the traditional idea of deoxidation first and isomerization later, and instead adopts the idea of "structure modification first and hydrogenation deoxidation later" to prepare the hydrogenation deoxidation intermediate, so that the hydrogenation isomerization process can be omitted, the generation of cracking products is reduced, the content of isomerization products in the biodiesel is significantly improved, and higher-quality biofuel is obtained.

The utility model relates to the technical field of straw recycling, and discloses a straw recycling device for green agriculture development, which comprises a bottom plate, two sides of the upper surface of the bottom plate are fixedly connected with fixing frames, the tops of the fixing frames are fixedly connected with a crusher fixing frame, and the interior of the crusher fixing frame is fixedly connected with a crushing device. By arranging the smashing device and the compressed straw, the device can effectively convert agricultural waste into useful resources such as bio-fuel or feed, air pollution caused by straw burning can be reduced by recycling the straw, energy is saved, and through the mechanical smashing and compressing process, the energy consumption is reduced. The straw treatment efficiency is greatly improved, the labor intensity is reduced, the straw treatment cost can be reduced by using the device, meanwhile, certain economic benefits can be brought, the situation that a large amount of straw is discarded or wasted is avoided, and the stability and safety of the device in the working process are ensured through the design of the reinforcing ribs.