18 results about "Carbon-based fuel" patented technology

A system for producing CO and CO2 to achieve an efficient oil recovery operation that minimizes undesirable gaseous emissions is provided. The system includes a portable CO-producing device, a portable CO2-producing device located proximate to the reservoir, and a gas collecting device configured to receive CO and CO2 and selectively distribute a desired ratio of CO and CO2 dynamically based on current reservoir conditions. Producing CO2 proximate to the reservoir comprises reforming carbon-based fuel within oxygen. Electrical energy generated is used to selectively distribute the desired ratio of CO / CO2 to the reservoir with de minimis greenhouse gases produced transmitted into the atmosphere. The system is an energy-efficient arrangement that recycles and reuses by-products and unused products from the process. Greenhouse gas emissions are significantly reduced compared to conventional processes by-products are fully utilized. Hydrogen produced can be used to generate electricity, as can heat generated from other sources within the process.

The utility model relates to an ignition, stable combustion and deep peak regulation technology of a coal-fired boiler, in particular to an ignition, stable combustion and deep peak regulation device for the coal-fired boiler through carbon-based fuel gasification synthesis gas. The device comprises a gasification furnace body, high-temperature synthesis gas dust removal equipment, an emergency emptying stop valve, a branch pipeline stop valve, a boiler synthesis gas burner and a power plant coal-fired boiler, the gasification furnace body is connected with the high-temperature synthesis gas dust removal equipment, the emergency emptying stop valve is arranged at the upper end of the high-temperature synthesis gas dust removal equipment, and the high-temperature synthesis gas dust removal equipment is connected with a boiler synthesis gas burner on a coal-fired boiler of a power plant through the branch pipeline stop valve. Synthesis gas generated by gasification of carbon-based fuel enters the boiler to be combusted for ignition, stable combustion and deep peak regulation of the coal-fired boiler, and the coal-fired boiler has the advantages of being high in reliability and good in operation economical efficiency.

A method for isolating substantially pure carbon dioxide from flue gas is provided. The method can include combusting carbon based fuel to form flue gas; cooling the flue gas to provide substantially dry flue gas; removing N2 from the dry flue gas to provide substantially N2 free flue gas CO2; and liquifying the substantially N2 free flue gas CO2 to form substantially pure carbon dioxide.

A system and method for reducing sulfur dioxide-containing gas by a binary method. The system for reducing sulfur dioxide-containing gas by a binary method includes a gasifier, which is used for performing a gasification reaction of a carbon-based solid fuel and a gasifying agent, and is used for reducing SO2 in the sulfur dioxide-containing gas by a binary method using the coal gas and semicoke generated by the gasification reaction. The present invention innovatively uses the gasifier as a reduction reactor for sulfur dioxide-containing gas, and uses the two binary products, namely semicoke and coal gas, generated by gasifying the carbon-based fuel in the gasifier to perform binary reduction of SO2 in the sulfur dioxide-containing gas, strengthening the reduction effect and improving the SO2 conversion rate.

A looping reaction hydrogen production system includes a reduction reaction device, a primary separation device, a hydrogen production reaction device, a secondary separation device, a primary heat transfer device and a cooling purification device. Based on looping combustion reaction mechanism, the system makes MeO / Me circularly flow between the hydrogen production reaction device and the reduction reaction device to respectively generate a reduction / oxidation chemical reaction, and to convert the conventional carbon-based solid fuel into the high-purity clean hydrogen energy. Compared with the conventional hydrogen production technology from water-gas shift reaction of syngas, the system reduces water consumption, energy consumption and environmental pollution of the hydrogen production process; converts conventional carbon-based fuel into clean hydrogen energy by use of renewable energy sources, such as solar energy; and achieves efficient capture and storage of gaseous CO2.

According to the garbage treatment system and method based on three-gradient electromagnetic cracking and catalytic reforming, through cooperation of a three-gradient temperature field and a catalytic system, direct and efficient treatment of unclassified garbage is achieved, and the problem that the adaptability of a traditional technology to garbage is poor is solved; through whole-process anaerobic and high-temperature cracking reconstruction, dioxin and tar pollution is eliminated from the source, and thorough harmlessness is realized; through an energy self-circulation mechanism of high-temperature synthesis gas cascade heat supply, the energy efficiency is greatly improved, and the operation cost is reduced; the system is stable in operation, low in maintenance cost and outstanding in economical efficiency. According to the system, unclassified raw garbage can be directly treated, after materials are subjected to ordered cracking and reconstruction in a three-stage gradient temperature field, all produced gas is used for internal gradient heat supply and power generation, residues are made into carbon-based fuel rods to be recycled, harmless and recycling of garbage treatment and organic unification of energy self-circulation are achieved, and operation is stable and reliable.

A marine lubricating oil composition for a non-carbon based fueled marine engine is described. The marine lubricating oil composition includes base oil and total of 900 ppm or less of phosphorous from one or more phosphorous-containing compounds. The composition has a TBN of 200 mg KOH / g or less and meets the specification for SAE J300 revised January 2015 requirements for SAE 20, SAE 30, SAE 40, SAE 50, or SAE 60 monograde lubricating oil.

The invention relates to a carbon-based fuel combustion ash washing liquid which is a liquid mixture containing carbon-based fuel combustion ash and / or a carbon-based fuel combustion ash dissolved matter. The invention also provides an application of the carbon-based fuel combustion ash water washing liquid in biomass sugar conversion and process, and the carbon-based fuel combustion ash is used for lignocellulose pretreatment and promotion of enzymolysis and fermentation, so that the waste liquid treatment, enzymolysis and fermentation cost in the biorefinery process of lignocellulose can be reduced; the method has the advantages that the method is simple and convenient to operate, the alkaline carbon-based fuel combustion ash content in the thermoelectric supply link can be treated, the carbon-based fuel combustion ash content in the thermoelectric supply link can be recycled, waste is turned into wealth, and introduction of exogenous organic and inorganic base catalysts and introduction of an enzymolysis buffer agent and fermentation nutritive salt in the traditional biomass fermentation conversion process are avoided. The method has the advantages of low cost, remarkable environmental benefits and the like.

A calcination and cement production apparatus comprising a calciner configured to be heated by combustion of a carbon based fuel and a hydrogen peroxide oxidant composition is disclosed.

The invention discloses a microwave-induced discharge plasma-driven coke-CO2 gasification device and a microwave-induced discharge plasma-driven coke-CO2 gasification method, relates to the technical field of coal clean conversion and plasma energy enhanced gasification, and aims to realize activation of CO2 and efficient gasification reaction of coke under medium and low temperature conditions. The device comprises a microwave generator, a microwave resonant cavity, a quartz gasification reactor, an induced discharge probe, a mode stirrer, a metal microwave wave gathering device and other core components, a standing wave electric field is formed in the cavity, low-temperature plasma is excited in situ by utilizing the electric field strengthening effect of the tip of the probe, and CO2 molecules are driven to be activated and ionized and participate in gasification reaction. According to the method provided by the invention, a pure CO2 atmosphere is constructed, the microwave power and reaction parameters are regulated in real time, the conversion rate of the coke within the medium temperature range of 500-800 DEG C is 85% or above, and the gasification temperature and energy consumption are remarkably reduced. The method can be widely applied to the fields of carbon-based fuel gasification, CO2 recycling and renewable energy thermal chemical utilization.

A system and process for direct lithium extraction from geothermal brines, and more particular to the sequential combination of a binary cycle geothermal plant, a direct lithium extraction circuit, a lithium chloride concentration and purification circuit, and a lithium battery chemical processing circuit, for the production of battery-quality lithium hydroxide monohydrate, lithium carbonate or both from geothermal brines. The processing circuits are powered by the electricity and heat produced by the binary cycle geothermal plant without the use of carbon-based fuels. Non-condensable gases that may come out of solution from the geothermal brine are not emitted into the atmosphere.

The application provides a carbon-based fuel fractionation conversion system and method based on photovoltaic and photo-thermal coupling. The system comprises: a photo-thermal heat storage system for converting light energy into heat energy; a photovoltaic heat storage system for converting light energy into electric energy and heat energy; a raw material pyrolysis module for receiving heat energy output by the photo-thermal heat storage system to make carbon-based fuel undergo a pyrolysis reaction to form gaseous volatile matter and solid semi-coke; a volatile matter upgrading pyrolysis module for receiving heat energy output by the photovoltaic heat storage system to make the gaseous volatile matter undergo a deep pyrolysis reaction to obtain synthesis gas; and a solid coke fractionation utilization module for receiving electric energy output by the photovoltaic heat storage system to make the solid semi-coke undergo solid coke fractionation utilization to obtain at least one of high-purity semi-coke, low-boiling-point substances and high-boiling-point substances. Through the system provided by the application, the advantages of photovoltaic and photo-thermal technologies are combined to provide electric energy and heat energy for other modules for realizing carbon-based fuel fractionation conversion, thereby effectively improving energy utilization efficiency.

To provide a crosshead type large two-stroke uniflow scavenged internal combustion engine configured to be operated with a carbon-based fuel and reduce carbon dioxide emissions.SOLUTION: A method includes: supplying a carbon-based fuel to combustion chambers; combusting the carbon-based fuel in the combustion chambers, thereby producing an exhaust gas flow containing carbon dioxide; recirculating a first portion of the exhaust gas flow, and exhausting a second portion of the exhaust gas flow; cooling the first portion of the recirculated exhaust gas flow in an exhaust gas system using a solvent thereby heating the solvent; chemically absorbing carbon dioxide from the second portion of the exhaust gas flow into a solvent by supplying a flow of carbon dioxide lean solvent to an absorber and discharging a flow of carbon dioxide rich solvent from the absorber 42 to a desorber 66 and reboiler 62 assembly; and regenerating the carbon rich solvent in the assembly through heating by supplying at least a portion of recirculated exhaust gas to the assembly for heating the solvent.SELECTED DRAWING: Figure 5

The application relates to the technical field of boilers, in particular to a carbon-based fuel partial gasification coupled boiler system and a carbon-based fuel combustion method. A high-temperature gas-solid mixture is generated in a gasification chamber of a gasifier, and the high-temperature gas-solid mixture is sprayed into a boiler from a gasification chamber outlet for combustion. The carbon-based fuel is partially gasified through the gasifier, the fuel can be preheated to above 1000 DEG C, the combustion stability problem of (ultra) low-volatile carbon-based fuel can be solved, flue gas discharged from the boiler is recirculated to a feeding assembly, the gasifier and the boiler through a pipeline, the flue gas is mixed into a gasification agent and a combustion-supporting agent, the CO2 content in the flue gas can be increased to above 90%, CO2 collection is facilitated, and high-efficiency, low-nitrogen and low-carbon combustion and utilization of the carbon-based fuel are realized.

A system for producing CO and CO2 for efficient oil recovery with minimal undesirable gaseous emissions is provided. The system includes portable CO- and CO2-producing devices positioned near the reservoir, and a gas collecting device configured to receive and dynamically distribute a desired CO / CO2 ratio based on reservoir conditions. CO2 production proximate to the reservoir involves reforming carbon-based fuel with oxygen, while generated electrical energy enables selective gas distribution with minimal atmospheric release of greenhouse gases. The system efficiently recycles and reuses by-products and unused materials from the process, significantly reducing greenhouse emissions compared to conventional processes. By-products are fully utilized. Hydrogen produced can be used to generate electricity, as can heat generated from other sources within the process.

A marine cylinder lubricating oil composition for a non-carbon-based fuel driven marine engine is disclosed. The composition includes a high amount of an oil of lubricating viscosity and a mixture of an overbased phenolic-based cleaning agent and an overbased calcium sulfonate cleaning agent. The composition has a TBN of less than 200 mg KOH / g, and is a single grade lubricating oil composition that meets the requirements of the SAE J300 specification revised in January 2015 for SAE 20, SAE 30, SAE 40, SAE 50, or SAE 60 single grade lubricating oil.

A large two-stroke turbocharged uniflow scavenging internal combustion engine and a method of operating the engine by supplying a carbon-based fuel to a combustion chamber; combusting a carbon-based fuel in the combustion chamber, thereby producing an exhaust gas stream containing carbon dioxide; recirculating a first portion of the exhaust gas stream and discharging a second portion of the exhaust gas stream; cooling a first portion of the recirculated exhaust gas stream in the exhaust gas system using a solvent stream to heat the solvent stream; chemically absorbing carbon dioxide in a second portion of the exhaust gas stream into the solvent by supplying a carbon dioxide lean solvent stream to an absorber and discharging a carbon dioxide rich solvent stream from the absorber into a desorber and reboiler assembly; and regenerating the carbon-rich solvent in the desorber and reboiler assembly by supplying at least a portion of the recirculated exhaust gas to the desorber and reboiler assembly to heat the solvent.

This invention relates to the field of combustion furnace technology and discloses a glass melting furnace, comprising: a combustion furnace, a top-mounted burner, and a non-carbon-based burner. The combustion furnace includes a small furnace arch, side walls, and a small furnace bottom plate, which together form a combustion chamber. The top-mounted burner is installed on the combustion furnace and can penetrate the small furnace arch to extend into the combustion furnace. The top-mounted burner is suitable for introducing carbon-based fuel. The non-carbon-based burner is also installed on the combustion furnace and is suitable for penetrating the side walls and / or the small furnace bottom plate to extend into the combustion furnace. The non-carbon-based burner is suitable for introducing non-carbon-based fuel. This invention achieves spatially stratified combustion, resulting in more uniform fuel distribution within the combustion chamber, more complete combustion, and a more balanced heat distribution. It also generates secondary thermal radiation, compensating for the weak flame radiation capability of non-carbon-based fuels and improving the heat transfer efficiency of the molten glass.