86 results about "Renewable fuels" patented technology

Process and plant for producing methanol, the process comprising the steps of: a) providing a raw synthesis gas stream; b) water gas shifting at least a portion of the raw synthesis gas stream, thereby producing a shifted synthesis gas; c) preparing a separate hydrogen containing stream and a separate oxygen containing stream by electrolysis of a water feedstock; d) introducing at least a portion of the separate hydrogen containing stream into shifted synthesis gas, thereby producing a methanol synthesis gas; and e) converting the methanol synthesis gas into said methanol.

The present disclosure generally relates to compositions and methods of simultaneously making two unique biointermediates from a single lignocellulosic biomass feedstock, including a hydrophobic biohydrocarbon and a water insoluble hydrophilic cellulosic biopolymer for use in the production of renewable fuels, chemicals, and other carbon neutral materials commonly derived from petroleum and other fossil resources.

Methods and systems for converting a renewable fuel intermediate composition to finished transportation fuel are provided herein. In some examples, a renewable fuel intermediate composition is flowed over a first catalyst in a first reaction zone to generate a saturated, hydrodeoxygenated product. A liquid portion of the renewable fuel intermediate composition may be characterized as having more than about 70 wt % of the oxygen being within ketone groups. The saturated, hydrodeoxygenated product may be flowed over a second fixed-bed catalyst in a second reaction zone to generate a product including the finished transportation fuel.

The embodiment of the invention relates to a mobile energy charging vehicle based on renewable fuel and a charging system. The mobile energy charging vehicle comprises a transport vehicle, and a fuel storage tank, a direct fuel cell and an external power supply system which are arranged on the transport vehicle, the fuel storage tank is connected with the direct fuel cell and is used for providing renewable fuel for the direct fuel cell; the direct fuel cell is connected with the external power supply system and is used for providing first electric energy for the external power supply system; the external power supply system provides a charging end for the outside and is used for charging accessed charging equipment; the mobile energy charging vehicle designed in the embodiment is flexible in movement, easy to dispatch and not limited by a power grid, the initial investment cost and the operation cost of a charging station are reduced, and the charging requirements of electric vehicle users in the peak period are fully met.

The invention relates to a gene mutation dominant anaerobic strain and an acquisition method and application thereof.The method comprises the steps that a production line strain is prepared into first freeze-dried bacterial powder, then pre-purification inoculated culture and separation treatment are conducted in sequence, and a plurality of anaerobic single colonies are obtained and then subjected to expanding culture; screening a dominant anaerobic strain with gene mutation, which can increase the ethanol yield by more than 5%; after the dominant anaerobic strain with gene mutation obtained by the method is applied to industrial tail gas fermentation again, the yield of ethanol can be increased; compared with an anaerobic strain cultivated in a laboratory, the dominant anaerobic strain with the gene mutation is easier to cultivate; according to the application, a dominant anaerobic strain with gene mutation is applied to fermentation of industrial tail gas again, so that the yield of converting the industrial tail gas into renewable fuels such as ethanol and butanol can be increased to 5% or above.

A process for converting a carbon oxide into a renewable product, particularly a carbon oxide produced from the hydroconversion of a biofeedstock. The process comprises contacting a carbon oxide containing process stream with a catalyst system under catalytic conditions to convert the carbon oxide to non-carbon oxide products, wherein the catalyst system comprises a noble metal catalyst. The process may be used in an integrated process for producing a renewable fuel and a renewable product from a carbon oxide, the integrated process comprising a biofeedstock hydroconversion process and a carbon oxide deoxygenation process wherein a carbon oxide byproduct from the hydroconversion process is contacted with a catalyst system comprising a noble metal catalyst to produce a renewable product.

A method of treating wastewater from a renewable fuel production comprises anaerobically digesting the wastewater to produce digestate and sludge, aerobically treating the digestate to produce an effluent and a second sludge, separating the effluent into a first filtrate and a first reject, treating the sludge, second sludge, and first reject in a solids-liquid separation apparatus to produce recovered water, directing the recovered water into the mixing tank, filtering the first filtrate in a nanofiltration unit to produce a second filtrate and a second reject, filtering the second filtrate in a first reverse osmosis unit to produce a third filtrate and a third reject, filtering the third reject in a second reverse osmosis unit to produce a fourth filtrate and a fourth reject, combining the third filtrate and fourth filtrate to form a product water, and combining the second reject and the fourth reject into a combined reject for disposal.

Disclosed are methods and systems for producing renewable fuels by upgrading a renewable hydrocarbon stream (e.g., a stream comprising C6-C12 aromatic hydrocarbons) by alkylating the renewable hydrocarbon stream with alkylating agents to produce an alkylated renewable hydrocarbon stream comprising C8-C24 aromatic hydrocarbons and hydrogenating the alkylated renewable hydrocarbon stream to produce a hydrogenated renewable hydrocarbon stream. The products can be used as renewable jet fuel and renewable diesel fuels, for example.

A regenerable fuel cell system comprising a combination of a fuel cell and a water electrolyzer (10), consisting of a polymer membrane and electrodes arranged on respective sides of the polymer membrane, wherein the regenerable fuel cell system can be operated to generate electrical energy during an energy generation period by supplying oxygen gas (O2) to an electrode arranged on one side of the polymer membrane and hydrogen gas (H2) to an electrode arranged on the other side of the polymer membrane, and can be operated to generate oxygen gas (O2) and hydrogen gas (H2) during a charging period by electrolyzing water in the combination of fuel cell and water electrolyzer (10), wherein the regenerable fuel cell system comprises: an oxygen container (1) for storing oxygen gas (O2); a hydrogen container (1') for storing hydrogen gas (H2); a first storage unit (2) for storing water and an oxygen gas (O2) that is not used to generate energy from the oxygen gas (O2) supplied during the energy generation period; a second storage unit (2') for storing water and hydrogen gas (H2); which is not used for energy generation from the hydrogen gas (H2) supplied during the energy generation period; and a vapor pressure control device for regulating the vapor pressure of the water in the first and / or second storage tank (2, 2'), wherein the combination of fuel cell and water electrolyzer (10), the oxygen reservoir (1), the hydrogen reservoir (1'), the first storage (2), the second storage (2') and a liquid / gas path connecting them are provided as a closed path, wherein the oxygen reservoir (1) and the first storage (2) are connected to each other so that the oxygen gas (O2) can move back and forth between them, and wherein the oxygen gas (O2) is supplied to the electrode arranged on one side of the polymer membrane during the energy generation period, wherein the hydrogen reservoir (1') and the second storage (2') are connected to each other so that the hydrogen gas (H2) can move back and forth between them, and wherein the hydrogen gas (H2) is supplied to the electrode arranged on the other side of the polymer membrane during the energy generation period, and wherein water required during the energy generation period is supplied to the polymer membrane.by regulating the vapor pressure of the water by the vapor pressure control medium, and wherein the vapor pressure control medium regulates the vapor pressure of the water by changing the temperature of the first storage tank (2) and the second storage tank (2').

Providing an implementable renewable fuel gas plant processes with management of greenhouse gases with minimal changes to existing plant set ups is a technical challenge to be addressed. Embodiments herein provide a system for renewable fuel gas generation and utilization in industrial plants with carbon dioxide as heat carrier. The system design integrates renewable fuel gas (H2) which is generated within the system and utilized to meet the thermal energy requirements of the production process. CO2 produced as byproduct of calcination in a process equipment, such as during calcination in cement plant is used as a heat-transferring medium to heat the H2. Further, the system provides recycling of the generated byproducts by separating the exhaust gases, comprised of CO2 and H2O. The H2O is recycled to generate H2 via electrolysis. The separated CO2 again serves as a heat-transferring medium, while the excess CO2 is sequestrated.

A method is disclosed for preparing a slurry catalyst for use in upgrading a renewable feedstock. The method includes the steps of (a) providing a rework material obtained from a process of making a supported hydroprocessing catalyst, the hydroprocessing catalyst comprising a support and an active component supported thereon, wherein the rework material has an average particle size of from 1 to 300 μm; (b) mixing the rework material with a liquid component to form a slurry catalyst precursor, wherein the liquid component is selected from the renewable feedstock and a liquid carrier, wherein the liquid carrier is a polyol and / or a recycled renewable feedstock comprising heavy and / or unconverted fractions from a slurry hydroprocessing process; and (c) sulfiding the slurry catalyst precursor forming the slurry catalyst.

The invention relates to a spiral gas-liquid separation runner polar plate of an integrated regenerative fuel cell. The spiral gas-liquid separation flow channel polar plate comprises a spiral main flow channel, a spiral exhaust flow channel, a spiral liquid discharge flow channel, a first flow channel inlet, a first liquid discharge port, a first exhaust port, a first air blowing device, a second flow channel inlet, a second liquid discharge port, a second exhaust port, a second air blowing device, a control device, a bottom support and a partition plate. The control device is connected with the exhaust channel shell and the liquid drainage channel shell, and effective regulation and control of gas-liquid separation are achieved by controlling different opening degrees and combining the air blowing device. By utilizing the spiral gas-liquid separation flow channel polar plate designed by the invention, the gas-water management capability of the integrated regenerative fuel cell can be improved, the increase of transmission resistance caused by bubble aggregation during operation in an electrolyzed water mode and the occurrence of a water logging phenomenon in a fuel cell mode are avoided, and the performance of operation in a bidirectional mode of the integrated regenerative fuel cell is remarkably improved.

The present disclosure generally relates to compositions and methods of simultaneously making two unique biointermediates from a single lignocellulosic biomass feedstock, including a hydrophobic biohydrocarbon and a water insoluble hydrophilic cellulosic biopolymer for use in the production of renewable fuels, chemicals, and other carbon neutral materials commonly derived from petroleum and other fossil resources.

The invention relates to the technical field of boilers, in particular to a sectionalized molten salt boiler with methanol as fuel and capable of blowing soot online. In order to solve the problems that an existing process molten salt boiler cannot blow soot on line and cannot be overhauled in a segmented mode, if the boiler is damaged, the boiler can be maintained only by replacing the whole heating surface or a boiler body, the operation cost is greatly increased, and fuel of the molten salt boiler is non-renewable energy, so that the environment is damaged, and the environmental protection property is poor. Two segmented soot blower assemblies 4 are arranged in the hearth 2, two collection boxes 3 are evenly arranged on the outer surface of the hearth 2 in the height direction and correspond to the segmented soot blower assemblies 4 in the hearth 2, a methanol burner 1 is arranged at the top end of the hearth 2, and a fused salt heat exchanger outlet collection box 6 is arranged on the outer surface of the top end of the hearth 2. A molten salt heat exchanger 7 is arranged at the bottom end in the hearth 2, and the output end of the molten salt heat exchanger 7 is connected with the input end of the molten salt heat exchanger inlet header 5. The invention is applicable to the technical field of boilers.

A process for preparing hydrocarbons from an oxygenated hydrocarbon feedstock, such as animal fat, having a high nitrogen impurity is described. The process involves hydrotreatment of the oxygenated feedstock in a first hydrotreating reactor and a further hydrotreatment in a second hydrotreating reactor, where between the two reactors, the gaseous phase is removed. The specific process setup effectively removes nitrogen impurities from the resultant hydrocarbon product causing an improved cloud point after isomerisation.

An engine-assisted drive unit with a built-in 6-speed automatic transmission in a bicycle wheel hub is disclosed. A small, electronically fuel-injected 4-stroke internal combustion engine, a planetary gear automatic transmission, a starter motor and generator, and an oil lubrication, cooling, and exhaust purification system are integrated into the hub housing within the rear wheel rim of a standard bicycle. The flattened hub housing is located inside the rear fork of the bicycle frame, maintaining the original bicycle shape in its structure and appearance. The internal combustion engine auxiliary power unit employs a concentric circle intake and exhaust valve SOHC valve train, improving intake efficiency by 100%. The engine boasts high power density and is compatible with using biosynthesized renewable fuels such as methanol as a power source. The 6-speed automatic transmission module is integrated into the standard bicycle, providing smooth transmission, high mechanical efficiency, and advanced technology. Its simple appearance and flexible construction meet the lightweight requirements of riding assistance power equipment; it achieves the function and purpose of efficient and easy driving, making it suitable as a personal lightweight transportation tool for both urban and rural areas.

The invention discloses an integrated renewable fuel cell oxygen electrode amphiphilic high-conductivity titanium-based porous transmission layer, which is characterized in that a substrate is a high-conductivity titanium-based porous material subjected to surface modification treatment, and hydrophilic and hydrophobic regions are distributed at intervals; the balance of oxygen electrode PTL water transmission under a fuel cell function and a water electrolysis function is realized, the water transmission efficiency in a water electrolysis mode is maintained, and meanwhile, the rapid discharge of water in a fuel cell mode is effectively improved, so that the overall circulation efficiency of the URFC is improved, and the service life of the URFC is prolonged. The problems that an existing oxygen electrode side porous transport layer (PTL) is prone to corrosion in a URFC water electrolysis mode and prone to water logging in a fuel cell mode are solved.

A method of repurposing a fluid catalytic cracking (FCC) system originally designed for cracking vacuum gas oil (VGO) may include generating a first mixture of a renewable lipid feedstock and a particulate catalyst. The first mixture may be flowed through a riser for a sufficient time for the particulate catalyst to promote partial reaction of the renewable lipid feedstock to generate a second mixture including (i) catalyst particles to which acidic reaction intermediates are sorbed and (ii) a vapor-phase intermediate composition which is essentially acid free. The second mixture may be flowed into a reactor / stripper which is partially filled with more particulate catalyst. Within the reactor / stripper, the second mixture may be contacted with particulate catalyst for a sufficient residence time for the acidic reaction intermediates to substantially completely react to generate additional vapor-phase intermediate composition. The vapor-phase intermediate composition may be disengaged from the particulate catalyst and collected.

A process for preparing hydrocarbons from an oxygenated hydrocarbon feedstock, such as animal fat, having a high nitrogen impurity is described. The process involves hydrotreatment of the oxygenated feedstock in a first hydrotreating reactor and a further hydrotreatment in a second hydrotreating reactor, where between the two reactors, the gaseous phase is removed. The specific process setup effectively removes nitrogen impurities from the resultant hydrocarbon product causing an improved cloud point after isomerisation.

A system for processing dewatered biosolids and other municipal waste includes a biosolids dryer coupled to a plasma or ionic reactor (a gasifier). The biosolids dryer mixes dewatered biosolids with heated dried biosolids to produce dried granulated biosolids which are provided to the gasifier. The gasifier implements a high or an ultra-high temperature ionic gasification or reformation process to produce renewable syngas that can be used to provide heat, power, renewable fuels, renewable hydrogen, and / or renewable chemical production. The gasifier generates electrical arcs across the interior of a gasifier reaction chamber creating a localized, controlled temperature in excess of 3,000° C. along with ionic gas or particles (plasma). This ultra-high temperature gasification zone and active ionic environment combine to break down molecules very effectively and efficiently into their constituent atoms, in a process called complete molecular dissociation. This ultra-high temperature ionic zone also rapidly decomposes impurities in the feed stock such as microplastics, PFAS (Per- and Polyfluorinated Substances), and other fluorocarbon materials.

A microgrid controller may determine, based on load information and energy resource information, that a group of renewable-energy-based (REB) energy resource systems is producing excess renewable energy relative to a load demand on a microgrid; calculate an amount of excess renewable energy produced by the group of REB energy resource systems; transmit, based on the group of REB energy resource systems producing excess renewable energy, a start command, to a balance of plant (BOP) controller, for starting the electrolyzer; transmit, based on receiving a readiness status from the BOP controller indicating that the electrolyzer has successfully started, a communication signal, to the BOP controller, indicating the amount of excess renewable energy for initiating a production of an amount of renewable fuel that is proportional to the amount of excess renewable energy; and dispatch the excess renewable energy to the electrolyzer for producing the renewable fuel.

The present invention relates to the removal of fluorine in the processing of renewable feedstocks.

The present invention relates to a jet fuel composition comprising, relative to the total volume of the composition: a. 9% to 60% by volume of a jet fuel according to standard ASTM D1655-21-c; b. 30% to 90% by volume of a renewable synthetic kerosene base derived from the hydrotreatment of esters and fatty acids, the Fischer-Tropsch process or a process for producing jet fuels from alcohols; and c. 1% to 15% by volume of an aromatic binder comprising at least 70% by weight, preferably 80% by weight, of a C8-C12 aromatic compound, relative to the total weight of the aromatic binder.

The invention relates to the technical field of green energy, and discloses a passive all-weather green energy station which mainly comprises a main body base serving as a supporting foundation, photovoltaic equipment installed above the main body base and capable of efficiently converting solar energy, light gathering equipment on the two sides of the photovoltaic equipment and capable of gathering light and enhancing the photovoltaic conversion efficiency, and a rotary fan on the top of the equipment can be driven by natural wind. The turbine fan blades on the lower portion further improve the wind energy capturing capacity, the double-fan structure strengthens wind energy utilization, the chain telescopic mechanism below the turbine fan blades can flexibly adjust the angle of the device to adapt to illumination and wind directions in different time periods, and the combustion energy storage barrel behind the light gathering device can utilize renewable fuel such as biomass to supplement energy. And energy storage is realized by matching with a storage battery below the photovoltaic equipment. According to the design, various green energy sources such as light, wind and biomass energy are integrated, the limitation that traditional equipment is single in function is broken through, dependence on the specific climate environment is reduced, and all-weather stable energy supply is achieved.

The present invention relates to transition metal (M) oxide modified ruthenium oxide (where M=Pt, Rh, Pd, Ag and / or Au), in particular to platinum oxide modified ruthenium oxide catalyst for oxygen evolution electrodes in polymer electrolyte membrane (PEM) fuel cells, water electrolysis, renewable fuel cells (RFC) or various electrolysis applications.

The invention provides a water vapor supply system of a multi-stack integrated renewable fuel cell, comprising: a pair of electric stacks having an electrolytic hydrogen production mode and a power generation mode, each electric stack comprising an upper pole plate and a lower pole plate, the upper pole plate being an anode in the power generation mode, and the upper pole plate being a cathode in the electrolytic hydrogen production mode; the upper polar plate is provided with an upper left interface and an upper right interface which are communicated with an internal flow channel of the electric pile; the lower polar plate is provided with a lower left interface and a lower right interface which are communicated with an internal flow channel of the electric pile; in addition, a hydrogen supply module, an oxygen supply module, an electrolyzed water supply module, a hydrogen collection module and an oxygen exhaust module are further included. According to the invention, the overall power output capability of the system is improved, and a set of better solution is provided for high-power application through an innovative system architecture and control strategy. The problems of redundant system, out-of-control thermal management and the like when a single stack is large are solved, and the reliability, the efficiency and the flexibility are qualitatively improved.

The invention relates to fluorine removal during renewable feedstock processing.

A slurry hydroconversion catalyst is described formed from solid biomass having a porous structure with the pores containing slurry catalyst precursor. The slurry hydroconversion catalyst is made by impregnating the porous structure with slurry catalyst precursor. The catalyst is useful in hydroconversion processes to convert feedstocks, including hydrocarbonaceous feeds and biomass feeds, to liquid and gas products, including renewable fuels and other renewable products. The hydroconversion process may utilize solid biomass to prepare the slurry catalyst and as a feedstock and does not require the use of chemically processed or modified biomass. Low coke yields and other benefits may be obtained.

A method is disclosed for preparing a slurry catalyst for use in upgrading a renewable feedstock. The method includes the steps of (a) providing a rework material obtained from a process of making a self-supported hydroprocessing catalyst, the hydroprocessing catalyst containing one or more active metal components selected from the group consisting of Group 6-12 metals from the IUPAC Periodic Table of the Elements, wherein the rework material has an average particle size of from 1 to 300 μm; (b) mixing the rework material with a liquid component to form a slurry catalyst precursor, wherein the liquid component is selected from the renewable feedstock and a liquid carrier, wherein the liquid carrier is a polyol and / or a recycled renewable feedstock comprising heavy and / or unconverted fractions from a slurry hydroprocessing process; and (c) sulfiding the slurry catalyst precursor forming the slurry catalyst.