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| Number | Title | Issue Date |
| 7588440 | Carrier air heating system for SCR A heat exchanger is provided in an air duct between an air heater and a windbox of a combustion means such as a boiler. Dilution air is carried to the heat exchanger from a dilution air fan in a separate duct. The heat in the air from the air heater is transferred t... | 09/15/2009 |
| 7524186 | Low emissions burner with premix flame stabilized by a diffusion flame A low emissions burner includes a diffusion burner surrounded by an annular array of premix burners. The diffusion burner operates at maximum swirl air flow and at a low constant fuel rate to reduce NOx emissions. The diffusion burner provides a stable sw... | 04/28/2009 |
| 7517215 | Method for distributed ignition of fuels by light sources A method for distributed ignition is disclosed wherein a combustion fuel and an ignition mixture are combined where the ignition mixture comprises ignition agents and fuel and where ignition agents can be nano-metallic particles in combination with single-walled car... | 04/14/2009 |
| 7435080 | System and method for flame stabilization and control A system and method for providing continuous measurement and control of a combustion device by altering the fuel composition delivered thereto. The system includes devices for sensing related information, such as fuel characteristics, combustion characteristics, or ... | 10/14/2008 |
| 7361321 | Exhaust stream treatment A method comprises injecting a reductant stream comprising a hydrocarbon reductant and water into an exhaust chamber comprising a nitrogen oxide-containing exhaust stream; contacting a composition comprising the reductant stream and exhaust stream with a catalyst; a... | 04/22/2008 |
| 7357903 | Method for reducing NOx during combustion of coal in a burner An organically complexed nanocatalyst composition is applied to or mixed with coal prior to or upon introducing the coal into a coal burner in order to catalyze the removal of coal nitrogen from the coal and its conversion into nitrogen gas prior to combustion of th... | 04/15/2008 |
| 7354557 | Smokeless porous carbon production method and its production system A smokeless porous carbon production method and its production system in which porous carbon is produced by heat treating a large amount of material, e.g. wood or bamboo, efficiently in a short time with thermal energy generated by combusting combustible gas produce... | 04/08/2008 |
| 7341447 | Delivering manganese from a lubricant source into a fuel combustion system The present invention relates to an apparatus and method for delivering manganese from a lubricant source into a fuel combustion system or to the exhaust therefrom. By the present invention, manganese from the lubricant will interact with phosphorus, sulfur, and/or ... | 03/11/2008 |
| 7341102 | Flue gas injection for heavy oil recovery A variety of methods for thermal recovery of natural gas and bitumen from a formation containing the latter. In general, the methods incorporate a series of existing, but previously uncombined technologies. A modified flue gas from the steam generators conventionall... | 03/11/2008 |
| 7335014 | Combustion NOx reduction method A method of extending the droplet half-life of water droplets in a combustion furnace by increasing the relative humidity in the droplets' environment; thereby reducing the evaporation rate of the water from the droplet and increasing the half-life of the droplets i... | 02/26/2008 |
| 7320298 | Charged water fumigation for combustion systems Internal combustion engines generally suffer from inadequate time to completely combust all the fuel in a given cycle. Therefore, any method for increasing the rate and completion of combustion is welcomed. A large excess of electrons are admitted to the combustion ... | 01/22/2008 |
| 7294325 | Method for the production of hydrocyanic acid by oxidation of nitrogen-containing hydrocarbons in a flame A process is described for preparing hydrogen cyanide by autothermal noncatalytic oxidation of one or more nitrogenous hydrocarbons or a nitrogenous hydrocarbon mixture in which the nitrogenous hydrocarbons, an oxygen-containing gas, with or without ammonia, with or... | 11/13/2007 |
| 7285247 | Apparatus and method for operating a fuel reformer so as to purge soot therefrom A method of operating a fuel reformer includes advancing a first air/fuel mixture having a first air-to-fuel ratio into the fuel reformer. The method further includes determining if a soot purge is to be performed and generating a purge-soot signal in response there... | 10/23/2007 |
| 7282072 | Synthetic fuel and methods for producing synthetic fuel The present invention provides synthetic fuels, additives for use in preparing synthetic fuels and methods for producing synthetic fuel. The synthetic fuels include low levels of a chemical change additive selected from the group consisting of alkaline earth oxides ... | 10/16/2007 |
| 7279017 | Method for converting heavy oil residuum to a useful fuel A method for enabling the use of heavy oil residuum by conversion to a useful product. The method, in one embodiment, involves the use of a heavy oil residuum which is substantially non flowable. The viscosity of the residuum is reduced by heat or a combination of h... | 10/09/2007 |
| 7276217 | Reduction of coal-fired combustion emissions A process for mitigation of fouling deposits within a combustion zone, capturing of toxic metal emissions, and reduction of visible sulfur emissions attributable to sulfuric acid mist during coal combustion. SO3 formed during coal combustion is reduced by... | 10/02/2007 |
| 7270063 | Methods and apparatuses for removing mercury-containing material from emissions of combustion devices, and flue gas and flyash resulting therefrom A method of removing mercury or mercury-containing material from flue gas produced by a coal-burning main furnace includes feeding coal, which contains mercury or mercury-containing material, to a main furnace which produces flue gas. The method further includes fee... | 09/18/2007 |
| 7261749 | Multi-port autothermal reformer An autothermal reformer is provided for a fuel cell system utilizing one volume and a plurality of inlets for both start-up and normal operation. In start-up mode, thermal combustion is employed for heating the catalyst reformation section of the reformer. Two inlet... | 08/28/2007 |
| 7249946 | Thermal generator and combustion method for limiting nitrogen oxides emissions by re-combustion of fumes The invention relates to a thermal generator comprising a furnace tube (2) wherein a fuel is burnt, recombustion means (14, 15) for reducing the nitrogen oxides content present in said fumes and means (3) for recovering the heat of the fumes res... | 07/31/2007 |
| 7244281 | Method and apparatus for trapping and purging soot from a fuel reformer A plasma fuel reformer assembly for producing reformate gas includes a fuel reformer having an air/fuel input assembly, an electrode assembly, and a soot trap positioned downstream of the electrode assembly. The electrode assembly includes a first electrode and a se... | 07/17/2007 |
| 7232483 | Cement composition having chromium reducer Exemplary compositions and methods for reducing hexavalent chromium in cementitious compositions involve the use of a liquid additive composition, comprising stannous chloride. Along with the stannous chloride may be used at least one co-additive comprising an antio... | 06/19/2007 |
| 7225746 | Low NOx combustion Combustion of hydrocarbon liquids and solids is achieved with less formation of NOx by feeding a small amount of oxygen into the fuel stream. ... | 06/05/2007 |
| 7191736 | Low emission energy source A power generator provides power with minimal CO2, NOx, CO, CH4, and particulate emissions and substantially greater efficiency as compared to traditional power generation techniques. Specifically nitrogen is removed from the combust... | 03/20/2007 |
| 7175422 | Method for accelerated aging of catalytic converters incorporating injection of volatilized lubricant A method and apparatus for accelerated aging of an automotive catalytic converter under conditions incorporating volatilized oil consumption. ... | 02/13/2007 |
| 7168949 | Stagnation point reverse flow combustor for a combustion system A combustor assembly includes a combustor vessel having a wall, a proximate end defining an opening and a closed distal end opposite said proximate end. A manifold is carried by the proximate end. The manifold defines a combustion products exit. The combustion produ... | 01/30/2007 |
| 7168947 | Methods and systems for operating combustion systems Methods and systems for reducing nitrogen oxides in combustion flue gas is provided. The method includes combusting a fuel in a main combustion zone such that a flow of combustion flue gas is generated wherein the combustion flue gas includes at least one nitrogen o... | 01/30/2007 |
| 7162864 | Method for control of NOx emission from combustors using fuel dilution A method of controlling NOx emission from combustors. The method involves the controlled addition of a diluent such as nitrogen or water vapor, to a base fuel to reduce the flame temperature, thereby reducing NOx production. At the same time, a gas capable of enhanc... | 01/16/2007 |
| 7162960 | Process for reducing plume opacity Plume is mitigated by targeting treatment chemicals to locations in a furnace, which are connected with plume opacity. The effectiveness of targeted in furnace injection, in fuel introduction and in furnace introduction of slag and/or corrosion and/or plume control ... | 01/16/2007 |
| 7163668 | Hydrogen selective catalytic reduction for NO An emission control system for reducing NOx in the exhaust of a diesel engine. A partial oxidation system receives diesel fuel from the engine's fuel tank and partially oxidizes the diesel fuel into hydrogen. The hydrogen is then introduced into the main ... | 01/16/2007 |
| 7157069 | Apparatuses and processes for synthesis of carbon nanotubes using inverse diffusion flame Disclosed is an apparatus for the combustion synthesis of carbon nanotubes characterized with the combustor having an oxidizing agent inlet, a fuel inlet and an inert gas inlet, such that the inverse diffusion flame occurs within the combustor, thereby producing car... | 01/02/2007 |
| 7157066 | Combustion process for synthesis of carbon nanomaterials from liquid hydrocarbon The present invention provides a combustion apparatus for the production of carbon nanomaterials including fullerenes and fullerenic soot. Most generally the combustion apparatus comprises one or more inlets for introducing an oxygen-containing gas and a hydrocarbon... | 01/02/2007 |
| 7117718 | Device for ascertaining a particle concentration in an exhaust gas flow A device for ascertaining a particle concentration in an exhaust gas flow of a combustion device, particularly a diesel combustion device, is provided, which device ascertains very small particle concentrations in the exhaust gas of combustion devices, accompanied b... | 10/10/2006 |
| 7104784 | Device and method for feeding fuel The present invention provides a fuel feeding apparatus and method for improving the controllability of mixing process and mixing ratio of fuel and combustion air, and a combustion system and method for effecting new combustion properties. The fuel feeding apparatus... | 09/12/2006 |
| 7047891 | Overfire air port and furnace system An Overfire Air (OFA) port design and method for use in a furnace system is disclosed. The OFA port design effectively reduces the amount of harmful pollutants emitted into the atmosphere upon discharge from an associated furnace. ... | 05/23/2006 |
| 7014458 | High velocity injection of enriched oxygen gas having low amount of oxygen enrichment Methods and apparatus for combustion of a hydrocarbon fuel in a combustion chamber of a furnace or boiler are presented, the combustion normally using only air as an oxidant, part of the air entering the combustion chamber through one or more burners, and a remainin... | 03/21/2006 |
| 7003946 | Process for the catalytic exhaust gas aftertreatment of engine combustion emissions For the regeneration of an NOx storage catalyst by means of hydrogen in a secondary hydrogen process, the hydrogen required for the regeneration is taken from a primary hydrogen process. ... | 02/28/2006 |
| 7004152 | Device for reforming gas vapors of an internal combustion engine A device for reforming gas vapors of an internal combustion engine having an air induction system, a combustion chamber, and positive crankcase and fuel tank associated therewith, the device comprising a voltage multiplier unit, a gas vapor treatment means and a gas... | 02/28/2006 |
| 6978726 | Combustion with reduced carbon in the ash Combustion of coal in which oxygen is injected into the coal as it emerges from burner produces ash having reduced amounts of carbon. ... | 12/27/2005 |
| 6968791 | Oxygen-enriched co-firing of secondary fuels in slagging cyclone combustors A method for operating a cyclone combustor having first and second burners in communication with a barrel includes: feeding a stream of a primary fuel and a primary oxidant having a first oxygen concentration into the first burner; feeding a stream of a secondary fu... | 11/29/2005 |
| 6960075 | Flare stack operating on Coanda principle A flare stack operating on the Coanda principle in which provision is made for cooling of a Coanda body terminating the gas flue by a flow of cooling fluid within the Coanda body. The pressure in the flare stack is held constant by a mechanism disposed outside of th... | 11/01/2005 |