Class / Patent application number | Description | Number of patent applications / Date published |
060781000 | Solid fuel | 27 |
20080202123 | System and method for oxygen separation in an integrated gasification combined cycle system - An integrated gasification combined cycle power generation system ( | 08-28-2008 |
20080245076 | METHOD AND APPARATUS FOR PREPARING PULVERIZED COAL USED TO PRODUCE SYNTHESIS GAS - A method and apparatus for preparing pulverized coal used in the production of synthesis gas combusted in gas turbines used in integrated gasification combined cycle power plants uses gas turbine exhaust gas to dry and convey pulverized coal from a pulverizer to a coal/gas separation device. | 10-09-2008 |
20080264066 | CONVERSION OF COAL-FIRED POWER PLANTS TO COGENERATE CEMENT - The invention provides systems, processes and methods for converting heterogeneous coal-fired power plants to cogenerate a sustainable, consistent, and economic cement. Such cogeneration enables a simultaneous production of both electric power and cement and thus provides significant economic and environmental efficiencies and benefits and eliminates a major source of greenhouse gas emissions and thereby mitigates a major contributor to climate change. | 10-30-2008 |
20080302106 | INTEGRATION OF COAL FIRED STEAM PLANTS WITH INTEGRATED GASIFICATION COMBINED CYCLE POWER PLANTS - A method of improving the output and efficiency of a pulverized coal plant by integration with an Integrated Gasification Combined Cycle (IGCC) plant. | 12-11-2008 |
20090038314 | INTEGRATED PROCESS FOR CARBONACEOUS MATERIAL TO CO2-FREE FUEL GAS FOR POWER PLANTS AND BIOMASS TO ETHANOL - A process for generating electrical power from a carbonaceous fuel source without carbon dioxide emissions while producing ethanol. A carbonaceous material is reacted in a stream reformer wherein a fuel gas is produced, which fuel gas is sent to a CO shift reactor to convert substantially all CO to CO | 02-12-2009 |
20090282835 | Rotary internal combustion engine for combusting low cetane fuels - This invention presents a compact, light, efficient and high power output rotary internal combustion engine utilizing the waste heat. The engine has a rotor rotatable within a housing, but has no piston. The rotor has a plurality of combustion chambers, with inlets for introduction of fuel and outlets for exhaust of combustion products. The exhaust imparts rotation to the rotor within the housing. Fixed end caps are provided at each end of the housing. The engine is cooled with steam, air and water. The engine is suitable for applications that require efficient, high power to weight ratio, such as aircrafts, ships, and heavy duty transportation. The engine may use low grade fuel with a low cetane number, by using specially treated pulverized coal. | 11-19-2009 |
20100043446 | Waste to energy process and plant - A plant produces electrical energy from municipal solid waste without exhausting a carbon dioxide or other carbon based gas to the atmosphere. The plant includes a source of artificial light powered by electrical energy, and a reactor into which the municipal solid waste is fed and which is operated under temperature, pressure and flow rate conditions to produced a syngas. An electrical energy generating station at which the syngas is burned produces the electrical energy and a flue gas comprising carbon dioxide and other products of combustion. At least a portion of the electrical energy is used to power the artificial light source. A carbon dioxide collector separates the carbon dioxide from the other products of combustion in the flue gas to provide a clean carbon dioxide suitable as a nutrient for microorganisms, and a farm of the microorganisms is illuminated essentially constantly, alternately with sunlight and artificial light from said source. | 02-25-2010 |
20100115962 | METHODS AND SYSTEMS FOR GAS TURBINE SYNGAS WARM-UP WITH LOW EMISSIONS - Methods and systems of operating an integrated gasification combined cycle system are provided. The method includes coupling a non-fuel fluid conduit to a fuel conduit, warming a flow of non-fuel fluid, and channeling the warmed non-fuel fluid through the fuel conduit such that heat from the warmed non-fuel fluid heats the fuel conduit to a predetermined temperature. | 05-13-2010 |
20100139287 | MULTIPURPOSE COKE PLANT FOR SYNTHETIC FUEL PRODUCTION - A new approach to the production of coke. In this process multiple optimized value streams are produced from a coke facility located at mine mouth or locally at an existing plant. As part of the process, lower cost Indiana/Illinois Basin-type coals are blended with conventional metallurgical coals. The blending process is optimized to meet coke quality requirements and simultaneously to obtain a pyrolysis gas composition suitable for production of ancillary products including liquid transportation fuels, fertilizer, hydrogen, and electricity. By using lower cost Indiana/Illinois Basin coal it is possible to reduce net coal costs. This process provides a new direction and approach for the production of coke in the future that optimizes value over multiple product streams while reducing both business and technological risk. | 06-10-2010 |
20100170263 | Vortex Combustor for Low NOX Emissions when Burning Lean Premixed High Hydrogen Content Fuel - A trapped vortex combustor. The trapped vortex combustor is configured for receiving a lean premixed gaseous fuel and oxidant stream, where the fuel includes hydrogen gas. The trapped vortex combustor is configured to receive the lean premixed fuel and oxidant stream at a velocity which significantly exceeds combustion flame speed in a selected lean premixed fuel and oxidant mixture. The combustor is configured to operate at relatively high bulk fluid velocities while maintaining stable combustion, and low NOx emissions. The combustor is useful in gas turbines in a process of burning synfuels, as it offers the opportunity to avoid use of diluent gas to reduce combustion temperatures. The combustor also offers the possibility of avoiding the use of selected catalytic reaction units for removal of oxides of nitrogen from combustion gases exiting a gas turbine. | 07-08-2010 |
20100236254 | Power Plant for IGSC-Process - A power plant has a coal gasification device ( | 09-23-2010 |
20100251729 | Power generation system incorporating multiple Rankine cycles - A power generation system ( | 10-07-2010 |
20100281878 | MILD GASIFICATION COMBINED-CYCLE POWERPLANT - The invention provides a hybrid integrated gasification combined cycle (IGCC) plant for carbon dioxide emission reduction and increased efficiency where the syngas is maintained as a temperature above a tar condensation temperature of a volatile matter in the syngas. The invention also provides methods and equipment for retrofitting existing IGCC plants to reduce carbon dioxide emissions, increase efficiency, reduce equipment size and/or decrease the use of water, coal or other resources. | 11-11-2010 |
20100300112 | METHOD FOR PRODUCING MOTOR ENERGY FROM FOSSIL FUELS WHILE DISSIPATING PURE CARBON DIOXIDE - A method for producing electric energy from solid and liquid fuels is provided. The fuels are first subjected to a gasification process at high pressure, and the scrubbed gasification gas is fed to a gas and steam turbine process. The combustion of the scrubbed gasification gas in the gas turbine chamber does not occur with air, but with a mixture made of the three components oxygen, carbon dioxide and water vapor. As a result, the waste gas of the gas turbine is made only of carbon dioxide and water vapor. After the condensation thereof, technically pure carbon dioxide remains, which can be dissipated by storage in the deep substrate of the atmosphere. | 12-02-2010 |
20110120138 | SYSTEM AND METHOD FOR CONVERSION OF HYDROCARBON MATERIALS - A process for converting coal and other hydrocarbon solid fuel feedstocks comprises reacting the feedstock in a first stage exothermic hydropyrolysis reaction zone with a hydrogen-rich gas stream for producing methane. The methane from the first reaction zone is dissociated in a second endothermic reaction zone to produce solid carbon and hydrogen-rich gas using heat mainly from the first reaction zone. All heat to promote the desired extents of reaction in each reaction zone is provided solely from the exothermicity of chemical reactions in the process. The majority of the gas is recirculated from the second reaction zone to the first reaction zone. Hydrogen gas is recovered to produce electrical energy for reducing carbon dioxide emissions. | 05-26-2011 |
20110162382 | IGCC POWER PLANT HAVING FLUE GAS RECIRCULATION AND FLUSHING GAS - Disclosed is a method for operating an IGCC power plant, wherein the coal gas from a gasifier, comprising CO and hydrogen, is supplied to at least one shift stage, wherein this is converted primarily into CO | 07-07-2011 |
20110239658 | SYSTEMS AND METHODS FOR FEEDSTOCK INJECTION - Systems and methods for injection of feedstock are included. In one embodiment, a system includes a solid fuel injector. The solid fuel injector includes a solid fuel passage, a first gas passage, and a second gas passage. The solid fuel passage is configured to inject a solid fuel through a fuel outlet in a fuel direction. The first gas passage is configured to inject a first gas through a first gas outlet in a first gas direction. The second gas passage is configured to inject a second gas through a second gas outlet in a second gas direction. The first gas direction is oriented at a first angle relative to the fuel direction. The second gas direction is oriented at a second angle relative to the fuel direction, and the first and second angles are different from one another. | 10-06-2011 |
20120137700 | System for Producing Power Using Low Pressure Gasification of a Stock Fuel - A system for power generation using low pressure gasification of a stock fuel, such as coal or biomass. The system can include a gasifier, a gas clean up unit connected to a gas compressor, a gas turbine combustion system, a heat recovery steam generator, and a steam turbine. The gasifier can provide low pressure synthetic methane gas to the gas clean up unit, which can remove tars and sulfur from the synthetic methane gas, and can cool the synthetic methane gas. The gas compressor can receive the cooled synthetic methane gas and can compress the cooled synthetic methane gas. The gas turbine combustion system can receive the compressed synthetic methane gas and produce power and an exhaust gas. The heat recovery steam generator can receive the exhaust gas and generate steam. The steam turbine can receive the steam from the heat recovery steam generator and generate power. | 06-07-2012 |
20120137701 | METHOD AND DEVICE FOR CONVERTING THERMAL ENERGY FROM BIOMASS INTO MECHANICAL WORK - The invention relates in particular to a method for converting thermal energy from carbonaceous raw materials into mechanical work, having at least one first ( | 06-07-2012 |
20120137702 | METHOD AND DEVICE FOR UTILISING BIOMASS - The invention relates in particular to a method for converting thermal energy from carbonaceous raw materials into mechanical work, having at least one first ( | 06-07-2012 |
20120167585 | INTEGRATED GASIFICATION COMBINED CYCLE PLANT WITH CHAR PREPARATION SYSTEM - Provided herein are systems, methods and equipment that include Integrated Gasification Combined-Cycle technology to retrofit existing plants, that include, e.g., subsystems for separating char fines from syngas after it emerges from an internally-circulating fluidized bed carbonizer and injecting the char into the carbonizer draft tube as a fuel source. Efficiency and power generation are thus increased to the extent that inclusion of carbon capture systems are now possible for existing coal plants in order to significantly reduce carbon dioxide emissions. | 07-05-2012 |
20120285176 | INTEGRATION OF COAL FIRED STEAM PLANTS WITH INTEGRATED GASIFICATION COMBINED CYCLE POWER PLANTS - A method of improving the output and efficiency of a pulverized coal plant by integration with a gas turbine and a Heat Recovery Steam Generator. Specifically, embodiments of the invention provide improvements in the performance of an existing coal steam turbine electricity generating plant by the addition of coal gasifiers, a gas turbine and a heat recovery steam generator. | 11-15-2012 |
20130081403 | GAS TURBINE POWER GENERATION PLANT AND METHOD FOR OPERATING SUCH A PLANT - A gas turbine power generation plant including: a solid fuel gasifier for the production of a fuel gas stream, an arrangement for fuel gas treatment, a combustor for receiving the fuel gas stream and for the production of a flue gas stream, a gas turbine unit having an inlet for said flue gas stream and being mechanically coupled to an electric generator for the extraction of useful work; a compressor unit for the supply of compressed oxygen to the combustor. A steam generator is arranged for heat recovery in the flue gas stream downstream of the turbine unit positioned for water recovery in the flue gas stream, said condenser having a connection for water supply to the steam generator, and the steam generator is connected for supply of steam to the combustor for contributing as process gas. The invention also concerns a method for operating a power plant and an arrangement and a method for fuel gas treatment. | 04-04-2013 |
20140157790 | COMBUSTOR ASSEMBLY AND METHODS OF USING SAME - One embodiment of the present disclosure relates to a combustor assembly which has a burner assembly and a combustor. The burner assembly has a body having a first end and a second end and a center passageway. The center passageway extends between the first end and the second end of the body. The body of the burner assembly is provided with a biomass inlet for receiving biomass, a primary air inlet for receiving air, a gas inlet for receiving gas, and a secondary air inlet for receiving air. The biomass inlet is in communication with the center passageway. | 06-12-2014 |
20140230451 | METHOD FOR CONTROLLING GAS TURBINE POWER PLANT, GAS TURBINE POWER PLANT, METHOD FOR CONTROLLING CARBON-CONTAINING FUEL GASIFIER, AND CARBON-CONTAINING FUEL GASIFIER - A method for controlling a gas turbine power plant, a gas turbine power plant, a method for controlling a carbon-containing fuel gasifier, and a carbon-containing fuel gasifier that can keep constant the amount of heat generated from a synthetic gas produced by the carbon-containing fuel gasifier. The gas turbine power plant includes a coal gasifier including a coal gasifier unit that gasifies a fuel containing carbon to produce a synthetic gas and a water-cooled wall duct disposed on the coal gasifier unit and to which a coolant, i.e., water, is directed; a gas turbine combustor that combusts the synthetic gas to produce combustion gas; a gas turbine rotated by the combustion gas produced by the gas turbine combustor; and a generator that generates electrical power. The amount of fuel fed to the coal gasifier is controlled depending on the amount of heat absorbed by the coolant directed to the water-cooled wall duct. | 08-21-2014 |
20150292404 | PROCESS AND EQUIPMENT FOR COAL GASIFICATION, AND POWER GENERATION SYSTEM AND POWER GENERATION PROCESS THEREOF - A coal gasification process is provided based on the grading conversion of carbon hydrogen components of coal, wherein the coal gasification process comprises a carbonization process, a carbon monoxide-producing process and a shift reaction process. By blending the coke-oven gas, carbon monoxide and hydrogen produced in the above processes in different ratios, coal gasification syngases with various carbon hydrogen ratios can be obtained. Further, the coal gasification process does not need pure oxygen to take part in the reactions, and has several advantages, such as high gasification efficiency, low equipment investment costs, less limitation on the types of coal and flexible adjustment of the gasification products. | 10-15-2015 |
20160032205 | System and Method for Converting Biomass Material into Energy Products - A continuous biomass-to-energy system and method used for production of high-energy fuel, liquids and gases from municipal wastes and organic wastes, where the municipal wastes and organic wastes is processed through a controlled pyrolysis process and a controlled gas separation process to extract products gases from a distillation tower system of the system. The biomass-to-energy system also discharges byproducts that are removed to offsite facilities and a combustible gas stream that can be utilized to generate electricity. By controlling the temperature and pressure, the biomass-to-energy system is able to provide a fully contained process that reduces environmental emission and unnecessary byproducts while accelerating the anaerobic cycle. | 02-04-2016 |