188 results about "Synthetic fuel" patented technology

The present invention provides a method for producing synthetic fuel from water and carbon dioxide. The method includes the steps of (a) preparing water-derived hydrogen, (b) preparing carbon dioxide, (c) introducing the hydrogen and carbon dioxide into a first reaction to produce a first product comprising synthesis gas, (d) introducing the synthesis gas into a second reaction to produce a second product comprising syncrude, (e) dividing the syncrude oil into a plurality of fractions comprising a first fraction, (f) introducing at least one fraction of the plurality of fractions into a hydrogenation reaction to produce a third product, and (g) recovering a fraction corresponding to a boiling point range of the first fraction from the third product. The present invention also provides an aviation fuel produced by the method.

A system for producing gas streams for use in synthetic fuel production through CO2 capture and water splitting is disclosed. The system includes a CO2 capture device configured to receive a CO2-containing stream and including an aqueous alkaline solution. The alkaline solution includes hydroxide and / or carbonate ions. The CO2 capture device generates a carbon-rich solution when the alkaline solution absorbs CO2. The carbon-rich solution includes carbonate and / or bicarbonate ions. The system also includes an electrolyzer fluidically coupled to the CO2 capture device, and defining a volume including an anode region having an anode, and a cathode region having a cathode. The volume includes an electrolyte solution having a pH gradient generated by an electric current, causing the electrolyte solution to be acidic in the anode region and alkaline in the cathode region. The carbon-rich solution is received into the electrolyzer. The electrolyzer generates hydrogen, oxygen, and CO2 streams.

The invention provides a cathode catalyst for a fuel cell, a preparation method of the cathode catalyst and a membrane electrode containing the cathode catalyst, and relates to the technical field of fuel cells. According to the preparation method of the cathode catalyst for the fuel cell, a spherical urea-formaldehyde resin carbon carrier is adopted as a carbon carrier precursor, and the spherical urea-formaldehyde resin carbon carrier has the advantages of high mechanical strength and large packing density and also has rich surface functional groups and rich nitrogen elements. Therefore, the spherical urea-formaldehyde resin carbon is used as a carbon carrier precursor to synthesize the fuel cell catalyst, the obtained catalyst is high in mechanical strength and stable in structure, and the problem that pores of a catalyst layer become smaller in the hot pressing process of the fuel cell catalyst layer can be effectively solved. Besides, the cathode catalyst is prepared by adopting a microwave heating method, the obtained noble metal particles are small and uniform in particle size, relatively narrow in particle size distribution range and good in catalytic activity, and the microsphere morphology of the spherical urea-formaldehyde resin carbon can be fully reserved by adopting the microwave heating method.

A system and method for producing methanol and synthetic fuels from waste acid gas streams using a plasma reactor is described in this disclosure. An acid gas stream comprising primarily of H2S and CO2 is fed into a plasma reactor. H2S is converted into H2 and sulfur. Simultaneously, CO is formed by the reverse water gas shift reaction. H2 and CO form a syngas stream. The unreacted H2S is captured in a tail gas treatment unit and recycled back to the plasma reactor. A partial CO2 capture unit is placed downstream of the tail gas treatment unit which is primarily used to adjust the ratio of H2 and CO in the syngas stream to 2-3 for methanol production and 2 for fuel production.

The invention discloses a solid oxide electrolytic cell, a solid oxide electrolytic reactor and a method and system for preparing ammonia and fuel by using the solid oxide electrolytic cell and the solid oxide electrolytic reactor. The solid oxide electrolytic cell comprises an anode, an electrolyte and a cathode, the cathode inputs mixed gas composed of air or nitrogen and water vapor, electrochemical deoxidation reaction is carried out, and ammonia feed gas containing hydrogen and nitrogen is generated; the anode inputs mixed gas composed of combustible gas, water vapor and / or carbon dioxide, the mixed gas and oxygen ions transmitted from the cathode to the anode are subjected to partial oxidation reaction, and synthesis gas containing hydrogen, carbon monoxide and carbon dioxide is generated. The solid oxide electrolysis reactor comprises an anode end plate, an intermediate plate assembly and a cathode end plate which are connected in sequence; the intermediate plate assembly includes a number of repeating units. The electrolytic deoxidation reaction and the partial oxidation reaction of the combustible gas are coupled, so that the electrolytic power consumption is greatly reduced, the low-cost green preparation of the raw material gas for synthesizing ammonia and synthetic fuel is realized, and the production cost of green ammonia and green synthetic fuel is further reduced.

A system for producing synthetic fuel comprises a reactor having a first reaction zone for implementing a first reaction in which carbon dioxide and hydrogen react to produce carbon monoxide and water, and at least one other reaction zone for implementing a second reaction in which carbon monoxide and hydrogen react to produce a fuel precursor, and a third reaction involving synthesizing fuel from said fuel precursor. The reaction zones are inter-connected in series by a fluid circuit is configured to circulate and recirculate fluid around the reactor to facilitate recycling of reactants and heat energy. The system facilitates low-energy. cost-efficient production of liquid e-fuels.

To provide a synthetic fuel manufacturing apparatus and a synthetic fuel manufacturing method capable of determining the type of synthetic fuel to be manufactured according to the generation state of hydrocarbons by FT synthesis reaction and efficiently operating a fractionator at a fractionation temperature suitable for fractionation of hydrocarbons to be used therefor.SOLUTION: A synthetic fuel manufacturing apparatus of the present invention comprises: a reactor having a catalyst active in Fischer-Tropsch reaction and generating FT crude oil containing hydrocarbons from a raw material gas; a fractionator provided on the downstream side of the reactor to fractionate FT crude oil and separate hydrocarbons having a predetermined number of carbons; and a reformer provided on the downstream side of the fractionator to generate a fuel product from hydrocarbons separated by the fractionator. The apparatus further comprises aromatic detection means provided between the reactor and the fractionator to detect the concentration CA of aromatic hydrocarbons contained in the FT crude oil and is configured to vary the fractionation temperature Tfra of the fractionator according to the detected concentration CA of aromatic hydrocarbons.SELECTED DRAWING: Figure 1

The invention relates to the technical field of high-value utilization of object wastes, in particular to a method for preparing hydrogen-rich gas by catalyzing biomass and co-producing and smelting coke. The method comprises the following steps: crushing a biomass raw material into powder of which the particle size is less than 10mm for later use; the method comprises the following steps: crushing, calcining and activating smelting waste residues for later use; the method comprises the following steps: mixing biomass and smelting waste in proportion, and carrying out pyrolysis gasification treatment to obtain hydrogen-rich gas; and carrying out high-temperature carbonization treatment on the obtained gasified coke to obtain smelting coke. According to the method, biomass and smelting waste residues are utilized, two target products including high-quality hydrogen-rich gas and smelting coke are obtained in a pyrolysis gasification and carbonization treatment mode, the high-quality hydrogen-rich gas can be applied to the fields of chemical synthesis, fuel and the like, the smelting coke can replace coal coke and is applied to the iron and steel smelting industry, efficient utilization of biomass energy is achieved, and energy sources are saved. And carbon emission in the smelting industry is reduced.

To provide a method and an apparatus for producing carbon-recovering type manganese-based alloys by which the reduction of CO2 discharge is made possible.SOLUTION: A method for producing a carbon-recovering type manganese-based alloy includes a step (A) of charging a manganese ore-derived raw material having a manganese oxidation degree of 1.0 to 1.1 and a carbonaceous material into an electric furnace to perform refining, and then performing slag / metal separation, and a step (B) of producing a synthetic fuel using carbon monoxide contained in a by-product gas generated from the electric furnace as a raw material.SELECTED DRAWING: None

A fuel generator and a method for generating fuel are disclosed in which a monolithic block includes a plurality of plates stacked and bonded together to form a plurality of reaction regions. A first input port and a second input port are disposed on the monolithic block. The first input port is coupled to a source of hydrogen gas and the second input port is coupled to a source of carbon dioxide or syngas. An output port is disposed on the monolithic block and is coupled to a fuel reservoir. A first subset of the plurality of plates is bonded together to form a first reaction region, a second subset of the plurality of plates is bonded together to form a second reaction region, and a third subset of the plurality of plates is bonded together to from a channel that fluidically connects the first and the second reaction regions.

A method for producing a synthetic fuel from hydrogen and carbon dioxide comprises extracting hydrogen molecules from hydrogen compounds in a hydrogen feedstock to produce a hydrogen-containing fluid stream; extracting carbon dioxide molecules from a dilute gaseous mixture in a carbon dioxide feedstock to produce a carbon dioxide containing fluid stream; and processing the hydrogen and carbon dioxide containing fluid streams to produce a synthetic fuel. At least some thermal energy and / or material used for at least one of the steps of extracting hydrogen molecules, extracting carbon dioxide molecules, and processing the hydrogen and carbon dioxide containing fluid streams is obtained from thermal energy and / or material produced by another one of the steps of extracting hydrogen molecules, extracting carbon dioxide molecules, and processing the hydrogen and carbon dioxide containing fluid streams.

The invention discloses a co-production process of bamboo activated carbon and bamboo-based chemicals. The full utilization of bamboo biological raw materials is realized. Bamboo biological raw materials are divided into a first bamboo biological raw material and a second bamboo biological raw material, then the first bamboo biological raw material is gasified to obtain a first gas-phase product, and the second bamboo biological raw material is carbonized through a carbonization reactor to obtain a first solid-phase product and a second gas-phase product; activating the first solid-phase product through an activation reactor to obtain a second solid-phase product and a third gas-phase product; the first gas-phase product and the second gas-phase product are used for at least one of a process A and a process B, the third gas-phase product is used for at least one of a process A, a process B and a process C, the process A is used for outputting the corresponding gas-phase product as fuel, and the process B is used for preparing the hydrocarbon synthetic fuel by taking the corresponding gas-phase product as a reaction raw material of a synthesis reactor. And in the process C, the corresponding gas-phase product sequentially passes through a first conversion reactor and a pressure swing adsorber to obtain hydrogen.

The present invention relates to a method for the CO2-neutral commercial recovery of metallic magnesium from seawater, wherein the recovered magnesium is further processed for use as a metallurgical raw material and can also be used as a starting material for the CO2-neutral recovery of hydrogen, and the CO2 recovered or released throughout the method is dissolved and bound to seawater.

Provided are an apparatus and a method for producing a synthetic fuel with which it is possible to obtain a hydrocarbon having a high selectivity of jet fuel components and to produce a jet fuel at a high yield. A synthetic fuel production device (1) for producing a predetermined synthetic fuel by a direct FT synthesis reaction using a raw material gas containing hydrogen gas and carbon dioxide, the synthetic fuel production device (1) being provided with: a reactor (9) having a cylindrical reactor main body section (9a) filled with a predetermined FT catalyst (20) for generating a direct FT synthesis reaction; a raw material gas flow rate adjustment unit (7) and / or composition adjustment units (5a, 5b) for adjusting the flow rate of the raw material gas supplied to the reactor (9); and a control device (3) that controls the linear velocity, which is the flow rate of the raw material gas per unit cross-sectional area of the reactor main body section (9a), by controlling the raw material gas flow rate adjustment section (7) and / or the composition adjustment sections (5a, 5b), and that controls the linear velocity to 0.2 m / sec to 4.0 m / sec when a given synthetic fuel is a jet fuel.

The object of the invention is to provide a reactor system based on an alkaline electrolysis plant and an associated process for producing a synthetic fuel gas with a high oxygen content from natural gas, biogas, or exhaust gases from an internal combustion engine, using hydrogen and oxygen produced during electrolysis as fuel gas or synthesis gas. Due to the high oxygen content in the fuel gas of over 20 vol%, the energy content of the new synthetic fuel gas is significantly higher than that of mixed gases currently used in practice with an oxygen content of less than 5 vol%. By arranging the reactor, including all auxiliary equipment, in a container, largely standardized prefabrication of the reactor and electrolysis plant can be carried out by the manufacturer, ensuring compliance with and installation of appropriate safety devices.The reactor system and the process for producing a fuel gas (25) from a carrier gas (11), e.g., natural gas (11), hydrogen, and oxygen, utilizes an alkaline low-voltage electrolysis system (3) consisting of a multitude of individual cells (4) within a reactor housing (2), which generates the fuel gas (25) directly during electrolysis in the individual cell (4). Despite its high oxygen content, the fuel gas (25) is flammable but not explosive.

The present invention relates to an alternative two-stroke reciprocating internal combustion engine and power system thereof which eliminates the intake and compression phases of four-stroke Otto engines, and injects the fuel and the oxidising agent at high pressure directly into the combustion chamber or a prechamber at approximately the moment when the piston is at the top dead centre (TDC), using oxygen and / or air as the oxidising agent and hydrogen-based fuels, synthetic fuels, biofuels, alcohols, natural gas and mixtures thereof. At the same time, a spark is applied or combustion is produced by self-ignition, and expansion occurs until the piston reaches the bottom dead centre (BDC). The piston then starts to rise, the mechanically or electrically actuated exhaust valve opens and exhaust is discharged until the TDC is reached again, thereby repeating the cycle.

The present invention relates to a device / method for capturing / converting CO2, comprising a CO2 capture unit (2) producing CO2 (3), a water electrolysis unit (5) converting water (4) to oxygen (6) and hydrogen (7), a RWGS unit (8) treating the CO2 with hydrogen to produce a CO2- and water-rich RWGS gas (9), a FT unit (13) converting the RWGS gas to produce a FT effluent (14), a first separation unit (15) treating the FT effluent to produce a hydrocarbon effluent (17) and a gaseous effluent (33), a second separation unit (34) separating the gaseous effluent into a CO2-depleted gas (18) and a CO2-rich gas (35) sent to the RWGS unit, a partial oxy-combustion unit (28) oxidizing the CO2-depleted gas to produce CO sent to the FT unit, which is sent to the RWGS unit, and a hydrogen unit (20) treating the hydrocarbon effluent to produce a hydrocarbon fraction (21).

The present invention provides a blended fuel and methods for producing the blended fuel, wherein a synthetic fuel derived from a alternative resources such as natural gas, associated gas, biomass, or other feedstocks is blended with a traditional, petroleum derived fuel. A blended fuel which includes greater than 5% by volume of the synthetic fuel has an overall improved lifecycle greenhouse gas content of about 2.5% or more compared to the petroleum derived fuel. Also, blending of the low carbon fuel to the traditional, petroleum fuel improves various performance characteristics of the traditional fuel by at least 5%.

In an aspect, the application discloses a method for producing renewable hydrocarbon fuels where the method includes electrolysis of a mixture to produce an electrolysis product comprising a renewable diesel and optionally a renewable gasoline, where the mixture includes (i) free fatty acids from a biorenewable feedstock, and (ii) terminal monomethyl-branched carboxylic acids, and where the renewable diesel includes terminal monomethyl-branched paraffins and terminal monomethyl-branched alkenes.

The present application belongs to the technical field of biomass conversion and synthetic fuel, and relates to a method and system for preparing aviation kerosene by coupling green hydrogen and biomass gasification. The method comprises: preparing green hydrogen by electrolyzing water, and byproduct oxygen is used for biomass oxygen-enriched gasification; biomass is gasified in a fluidized bed at an oxygen partial pressure of 0.5-1 MPa and a temperature of 800-1000 DEG C to prepare syngas; the syngas is mixed with electrolytic hydrogen after pressure swing adsorption, methanol solution contact, low-temperature filtration and pressure reduction purification; the volume fraction of the feed hydrogen is stabilized at 70%-80% through online analysis and closed-loop control; crude oil is synthesized in a Fischer-Tropsch system taking methanol as a medium and carrier and oxalic acid as an adjusting agent; aviation kerosene fraction is obtained through rectification, and the heavy component is subjected to hydrocracking / isomerization by using a Pt-based catalyst. The present application effectively improves the stability of the feed hydrogen partial pressure and the product yield, and ensures the consistent quality of the aviation kerosene.

A control system for optimising a fuel generation process performed by a synthetic fuel generation plant. The system comprises an interface unit configured to be communicably coupled to the synthetic fuel generation plant; a digital twin representative of the synthetic fuel generation plant; and an optimisation unit in communication with the interface unit and the digital twin. The optimisation unit is configured to perform an optimisation process to determine, from an initial state of the synthetic fuel generation plant, an updated state of the fuel generation plant using the digital twin.

The present invention relates to an electrocatalytic reactor for synthesizing fuel from biomass and molecules derived therefrom, comprising an electrolysis unit, an electrolyte circulation unit, and a cooling unit. The electrolysis unit comprises an anode chamber housing, an anode chamber membrane reinforcing piece, a proton exchange membrane, a cathode chamber membrane reinforcing piece, and a cathode chamber housing which are arranged in sequence. The anode chamber housing and the cathode chamber housing are each divided into two communicated chambers by an inwardly recessed cooling water channel on a surface of the housing. The cathode and anode chamber housings are used to accommodate cathode and anode electrolyte liquids and corresponding cathode and anode electrode sheets, respectively. The present invention improves the structure of each component of an apparatus and the arrangement thereof, such that, compared with the prior art, the present invention solves the problems of numerous by-products, unbalanced internal pressure, difficult replacement of electrodes, and complex cooling in an electrosynthesis process. Additionally, the present invention is simple to manufacture and is suitable for mass production of reactors and products thereof.

The invention relates to a method for technically obtaining magnesium metal from seawater in a CO2-neutralizing manner, in which the obtained magnesium is further processed for use as a metallurgical raw material, but can also be used as a starting material for obtaining hydrogen in a CO2-neutralizing manner, the CO2 obtained or released during the entire process is dissolved and incorporated in seawater.

The invention discloses a method for preparing full-fraction aviation kerosene from synthesis gas, and belongs to the technical field of synthetic fuels, and the method comprises the following steps: S1, decomposing wood and crop residues into synthesis gas through biomass gasification; s2, coupling the cobalt base and the molecular sieve to obtain a first catalyst, inputting the synthesis gas into a first Fischer-Tropsch reactor, and promoting the reaction by the first catalyst to obtain alkane; s3, coupling the composite oxide and the molecular sieve to obtain a second catalyst, inputting the synthesis gas into a second Fischer-Tropsch reactor, and promoting the reaction by the second catalyst to obtain aromatic hydrocarbon; and S4, after heat exchange of the alkane and the aromatic hydrocarbon in the process flow, carrying out isomerization refining and rectification to collect hydrocarbon products, and blending to form petroleum fractions, thereby obtaining the full-fraction aviation kerosene. The invention is rooted on leading-edge exploration of sustainable development energy, and aims to integrate renewable resource technologies such as biomass gasification and green electric driven H2 manufacturing so as to construct a low-carbon and environment-friendly aviation kerosene production system, thereby providing a scientific and feasible technical path for green transformation of the global aviation fuel industry.

The invention relates to a method and a device for controlling dynamic operation in an electrical X device by means of a DCS (Distributed Control System). The apparatus includes one or more electrolyzers for converting water to hydrogen, and the apparatus can produce one or more of ammonia, methanol, ethanol, DME, methane, or synthetic fuel (e.g., gasoline or jet fuel).

A plant, such as a hydrocarbon plant, or synfuels plant, is provided, with effective use of various streams, in particular carbon dioxide and hydrogen. A method for producing a product stream, such as a hydrocarbon product stream, is also provided. The plant and method of the present invention provide overall better utilization of carbon dioxide and hydrogen, while avoiding build-up of inert components.

Particular embodiments described herein provide for a synthetic fuel creation system. The synthetic fuel creation system includes a syngas creation station to create syngas, a crude creation station to create heavy syncrude, and a crude cracking station to convert the heavy syncrude into synthetic fuel. The synthetic fuel creation system can use an electrocatalysis system to create the syngas and the electrocatalysis system can include an anode, a cathode, oxygen evolution reaction catalysts, hydrogen / carbon monoxide evolution reaction catalysts, and an electrolyte, where a pH of the electrolyte is acidic during at least a portion of creation of the syngas.

The invention discloses a method for preparing polyoxymethylene dimethyl ether by using an ethylene glycol and glycerol extraction technology, and belongs to the technical field of preparation of new energy synthetic fuels and environment-friendly solvents. Aiming at the problems of rectification tower blockage, low product yield and environmental pollution caused by an impurity removal process due to the fact that a synthetic product contains impurities such as formaldehyde, water and formic acid in an existing process, the invention adopts the following technical scheme: formaldehyde and methylal are used as raw materials, and a DMM2-5 product mixture is synthesized under the catalysis of a solid acid catalyst; ethylene glycol or glycerol is adopted as a single extraction agent, strong polar impurities are removed through 5-10 stages of extraction, and a target product and methylal are enriched in a light phase; and carrying out multi-tower continuous rectification and purification to obtain high-purity DMM2 and DMM3-5 products. The extraction agent and unreacted raw materials can be recycled and reused, so that closed-loop production is realized. The process is green and waste-free, impurities are thoroughly removed (formaldehyde is less than 0.5%, and water is less than 0.1%), the product purity is more than or equal to 99.1%, the yield is 85-95%, the operation is mild and safe, the adaptability is high, and the process conforms to the coal clean and efficient utilization policy and is suitable for production of environment-friendly solvents and national VI standard clean diesel components.

To provide a buried tank of a double shell structure in which CFRP is disposed on an outer shell and an inner surface of a new steel tank, or the CFRP is arranged on an inner surface of an existing buried tank.SOLUTION: A steel tank inner surface CFRP double shell structure includes: CFRP provided to cover an outer shell of a new steel tank and an inner periphery of the steel tank to prevent leakage of oil or hydrogen and synthetic fuel from the steel tank; a gap forming member disposed between the steel tank and the CFRP; a leakage detection sensor disposed between the steel tank and the CFRP to detect leakage of liquid of the steel tank; and notification means for notifying failure of the steel tank based on a detection output of the leakage detection sensor.SELECTED DRAWING: Figure 1