152 results about "Renewable fuels" patented technology

A reactor system includes a ketopyrolysis zone in which a metal oxide catalyst reacts with a lipid feedstock to produce a renewable fuel intermediate composition. The renewable fuel intermediate composition includes a jet fuel fraction in which a non-aromatic cyclic hydrocarbon content exceeds an acyclic isoalkane content. The renewable fuel intermediate composition is hydrotreated to produce a fuel composition that includes a jet fuel component with a freezing point less than −15° C.

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 invention discloses an ionic liquid catalyst for producing renewable fuel from waste grease as well as a preparation method and application of the ionic liquid catalyst, and belongs to the technical field of waste grease treatment. The self-synthesized ionic liquid catalyst is adopted to catalyze hydrogenation of the waste oil and fat to produce renewable fuel, impurities in the waste oil and fat can be adsorbed or converted into products, the yield and quality of the products are improved, and a foundation is laid for industrial production of second-generation biodiesel from the waste oil and fat.

This application discloses an ionic liquid catalyst for producing renewable fuel from waste oils and fats, as well as its preparation method and application, belonging to the field of waste oil and fat processing technology. Using a self-synthesized ionic liquid catalyst to catalyze the hydrogenation of waste oils and fats to produce renewable fuels, this catalyst can adsorb or convert impurities in the waste oils and fats into products, improving product yield and quality. This paves the way for the industrialized production of second-generation biodiesel from waste oils and fats.

The invention relates to a multi-dimensional evaluation planning method and device for a thermal power plant integrated energy system, and the method comprises the steps: taking a coal-fired power generation unit as a core energy conversion device, and building a plurality of renewable fuel input alternative items except fire coal and a plurality of energy product supply alternative items except electric power; establishing a multi-dimensional evaluation index system; generating a mathematical model of the thermal power plant integrated energy system based on a pre-established thermal balance all-condition mathematical model library of the thermal power plant integrated energy system and the target configuration combination; and generating a final planning scheme and an index evaluation condition of the thermal power plant integrated energy system according to the configuration meeting the preset optimal condition and the equipment capacity. According to the embodiment of the invention, various indexes of the comprehensive energy system based on the thermal power plant are evaluated from multiple angles, and a multi-objective optimization method and the like are adopted, so that the optimization method for comprehensive energy transformation of the coal-fired thermal power generating unit is established, and effective reference is provided for engineering decision-making of comprehensive energy transformation of the coal-fired thermal power generating unit.

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.

A marine fuel or fuel blending composition that includes a renewable component that can be blended into heavy residual fuel oil or marine gasoil to meet statutory limits for sulfur. The renewable component may comprise biodiesel distillation tower bottoms and / or renewable diesel comprising at least 70% n-paraffins. The marine fuel composition may also include a biodiesel. Alternatively, the renewable component may comprise unrefined biodiesel, wherein the unrefined biodiesel has been separated to remove glycerol but has not been subject to further upgrading or purification. The marine fuel composition may also exhibit increased solvency.

The invention relates to the technical field of energy management, and discloses a green energy utilization system and method for environment-friendly mixture production. Comprising a renewable energy supply module, an energy storage module, an energy allocation and optimization module, a waste heat recovery module, a carbon capture and conversion module, a fuel characteristic monitoring and optimization module, a waste treatment and regeneration module and a full-process intelligent management module. The renewable energy source supply module is used for obtaining energy from renewable energy sources such as solar energy, wind energy and geothermal energy; and the energy storage module is used for storing redundant renewable energy sources and releasing energy in peak hours. Waste heat is effectively recycled through the high-low temperature waste heat recycling module, and energy consumption is reduced; the carbon capture and conversion module dynamically captures carbon dioxide and converts the carbon dioxide into renewable fuel or industrial raw materials, closed-loop utilization of carbon resources and synergistic effect of waste heat and carbon capture technologies are achieved, energy and carbon resources are recycled to the maximum extent, carbon emission is reduced, meanwhile, recyclable resources are provided, and environmental protection benefits are 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.

A reactor system includes a ketopyrolysis zone in which a metal oxide catalyst reacts with a lipid feedstock to produce a renewable fuel intermediate composition. The renewable fuel intermediate composition includes a jet fuel fraction in which a non-aromatic cyclic hydrocarbon content exceeds an acyclic isoalkane content. The renewable fuel intermediate composition is hydrotreated to produce a fuel composition that includes a jet fuel component with a freezing point less than -15°C.

A fuel composition for internal combustion engines manufactured from renewable fuel feedstocks, primarily simple alcohols, and including a fraction of water and optionally other additives. Using high efficiency General Cycle engines fueled by this alcohol fuel blend gives exceptional efficiency, especially in heavy transportation and off-road heavy equipment scenarios. An alcohol fuel blend provides low-cost manufacturing, production at high volume, lowest emissions, high process lifecycle efficiency, low environmental impact, and minimal impact on transport norms.

The invention relates to a method for producing renewable fuel, in particular to a method for synthesizing hydrocarbon fuel by catalyzing sulfur-containing biomass derivatives through three metals. The invention discloses a process for converting oxygen-containing compounds derived from sulfur-containing and nitrogen-containing biomass into hydrocarbons through a catalytic technology, and relates to the field of green chemistry and biofuel production. The preparation method comprises the following steps: S1, pretreating raw materials; s2, filling a catalyst; s3, hydrogenation catalytic reaction; s4, sampling and detecting; and S5, separating and purifying a product. The combination of the three metals has a synergistic effect, can bring about optimization of an electronic effect and a geometric effect, can provide higher catalytic activity and selectivity in hydrogenation reaction, and compared with a traditional single-metal or double-metal catalyst, the three-metal catalyst can realize the same or even higher reaction rate and yield at lower temperature and pressure, and can be used for preparing the catalyst. The reaction energy consumption and the equipment requirement are reduced, and the economic benefit and the process feasibility are improved.

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 present invention discloses a self-supporting oxygen evolution electrode and its preparation method and application, which belongs to the field of alkaline water electrolysis hydrogen production; the electrode is obtained by combining a hydrothermal method and an electrodeposition method; the electrode grows manganese-doped basic cobalt carbonate nanowires vertically on the surface of nickel foam, and the nanowires are surrounded by multiple layered nickel-iron double metal hydroxide nanosheets to form a nanorod as a whole. The nanorods are uniform in size, 2 to 3 μm long, and 100 to 500 nm in diameter, growing vertically on the surface of nickel foam; the electrode has high catalytic activity and stability. After using nickel foam as a conductive substrate, it can still operate stably for a long time under a high electrolysis current and in a strong alkaline medium; the electrode is used to catalyze the oxygen evolution reaction of water electrolysis to produce hydrogen under alkaline conditions; the present invention can be applied to renewable fuel cells, photoelectrocatalysis, alkaline anion exchange membrane water electrolysis (AEMWE) and electrolysis hydrogen generator devices.

The present invention concerns a method for determining a parameter representative of the quality of a composition of natural origin, this parameter making it possible to determine the most appropriate heteroatom removal treatment for processing this composition, in particular with a view to its hydrotreatment for the manufacture of renewable fuels. The invention also concerns a process for reducing the heteroatom content of this type of composition, in particular for manufacturing a renewable 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.

The invention discloses a renewable fuel cell system with a water and gas management island. The renewable fuel cell system comprises a renewable fuel cell module and an external auxiliary module, the renewable fuel cell module comprises a high-efficiency drainage fuel cell, a water-gas management island and a high-efficiency exhaust water electrolytic cell which are sequentially connected in series and stacked; the external auxiliary module comprises a hydrogen / oxygen circulation part assembly, a water pump, a hydrogen / oxygen storage tank and a water storage tank. The renewable fuel cell system with the water and gas management island is high in integration level, reliable in operation, wide in power range, flexible in configuration, long in service life and suitable for miniature and medium-large renewable fuel cell energy systems.

The present disclosure provides a versatile process for producing valuable renewable hydrocarbons from triglyceride containing feedstock. The triglyceride containing feedstock is first split to provide a mixture containing fatty acids, glycerol and water, from which a phase separation provides an oily phase, and an aqueous phase. The oily phase containing fatty acids is subjected to fractionation, whereby specific fractions may be refined to products with controlled hydroprocessing. Products may contain paraffinic renewable aviation fuel components, paraffinic renewable base oil, renewable paraffinic diesel fuel components, renewable paraffinic technical fluid, or any combination thereof.

The present invention belongs to the field of photocatalysis technology and discloses a preparation method and application of a sulfur-cadmium zinc quantum dot / mesoporous silica composite photocatalyst. The preparation steps are: (1) preparing mesoporous silica (mesop-SiO2); (2) preparing sulfur-cadmium zinc quantum dots (ZnCdS QDs); (3) MUA-modified sulfur-cadmium zinc quantum dots; (4) compounding the sulfur-cadmium zinc quantum dots and mesoporous silica in proportion to obtain a sulfur-cadmium zinc quantum dot / mesoporous silica (MUA-ZnCdS QDs / mesop-SiO2) composite photocatalyst. The sulfur-cadmium zinc quantum dot / mesoporous silica composite photocatalyst prepared by the present invention utilizes the advantages of mesoporous silica's high specific area to capture CO2 and the advantages of the sulfur-cadmium zinc quantum dots having a suitable energy band position to achieve efficient conversion of CO2. The present invention is simple to operate and effectively achieves the purpose of converting CO2 into renewable fuels.

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.

Hydrogen being a clean, highly abundant and renewable fuel, is a promising alternative for conventional energy sources. Mostly, this hydrogen is stored in the form of hydrides. The existing methods for identification of material for hydrogen storage as expensive and time consuming. A method and system of identification of materials for hydrogen storage has been provided. The method provides a machine learning technique to predict the hydrogen storage capacity of materials, using only the compositional information of the compound. A random forest model used in the work was able to predict the gravimetric hydrogen storage capacities of intermetallic compounds. The method and system is also configured to predict the thermodynamic stability of the intermetallic compound.

An aviation fuel composition is disclosed, containing 50-95 vol-% of petroleum-derived jet fuel component, and 5-50 vol-% of renewable middle distillate component. The fuel composition has a viscosity of 12 mm2 / s or below at −40° C., 10 mm2 / s or below at −30° C., and 8 mm2 / s or below at −20° C., as measured in accordance with an EN ISO 3104 (1996) standard. A method for producing the aviation fuel composition is also disclosed. The method containing mixing the petroleum derived jet fuel component and the renewable middle distillate component to obtain the aviation fuel composition, such that the petroleum-derived jet fuel component and the renewable middle distillate component are mixed together in an amount containing 5-50 vol-% of renewable middle distillate component and about 50-95 vol-% of petroleum-derived jet fuel component.

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.

According to the present invention, organic material is converted to biogas through anaerobic digestion and the biogas is purified to yield a combustible fluid feedstock comprising methane. A fuel production facility utilizes or arranges to utilize combustible fluid feedstock to generate renewable hydrogen that is used to hydrogenate crude oil derived hydrocarbons in a process to make transportation or heating fuel. The renewable hydrogen is combined with crude oil derived hydrocarbons that have been desulfurized under conditions to hydrogenate the liquid hydrocarbon with the renewable hydrogen or alternatively, the renewable hydrogen can be added to a reactor operated so as to simultaneously desulfurize and hydrogenate the hydrocarbons. The present invention enables a party to receive a renewable fuel credit for the transportation or heating fuel.