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US20120021312 METHOD FOR OBTAINING DINITROGEN OXIDE  
A method is disclosed for obtaining dinitrogen monoxide by stepwise reduction of nitrates and/or nitrites from substances containing nitrate and/or nitrite, the reduction reaction being...
US20120255472 BURNER ASSEMBLY AND METHOD FOR REDUCING NOX EMISSIONS  
A burner assembly for combusting fuel in a combustion zone to reduce NOx emissions includes a water spray subassembly including a water outlet configured to direct water at an angle with respect...
US20100307393 STOKER-FIRED BOILER, A METHOD OF MODERNIZATION OF STOKER-FIRED BOILERS AND A METHOD OF ELIMINATION OF UNCONTROLLED LEAKAGES OF AIR NOT TAKING PART IN THE COMBUSTION PROCESS IN A STOKER-FIRED BOILER  
A boiler according to the invention contains an additional air channel (9) with an inbuilt fan (10) with adjustable output. The first end (91) of the additional air channel (9) is connected with...
US20150226428 PROCESS FOR PROVIDING AN OXYGEN RICH GAS AND FUEL TO AT LEAST TWO OXYGEN RICH GAS CONSUMING UNITS  
The process can include, during a first and second period of time, sending a first stream of oxygen rich gas from an ASU to a first oxygen consuming unit, the first unit being integrated with a...
US20130167762 GRATE BAR FOR A FURNACE COMPRISING AIR DUCTS  
Grate bar for a furnace. The grate bar comprises a first air duct (46) at a first lateral side of the grate bar. The first air duct is provided at an angle other than 90 degrees with respect to a...
US20110302901 ZONAL MAPPING FOR COMBUSTION OPTIMIZATION  
A method of optimizing operation of a furnace to control emission within a system. Each furnace zone inside of the furnace is associated with at least one exhaust zone. A signal indicative of an...
US20080282948 Boiler and Method for Operating a Boiler  
The invention relates to a boiler and to a method for operating a boiler. To effectively prevent damage to the boiler wall, in particular by corrosion, the flow speed characteristic of a furnace...
US20120322017 METHOD FOR HEATING A BLAST FURNACE STOVE  
A method for heating a blast furnace stove includes combusting a fuel with a lower heating value (LHV) of 9 MJ/Nm3 or less in a combustion zone which is arranged in a combustion chamber in the...
US20120195815 EMISSION CONTROL SYSTEM  
Methods of treating mercury contaminated gas comprising: introducing a hydrogen halide selected from HBr and HI into a mercury contaminated gas stream containing a quantity of particulate matter...
US20110232545 High Pressure Direct Contact Oxy-Fired Steam Generator  
A method and apparatus for direct contact steam generation for a variety of industrial processes including heavy oil recovery, power generation and pulp and paper applications. The steam...
US20100101465 Method For Injecting Ballast Into An Oxycombustion Boiler  
A method for injecting fuel, oxidant, and ballast into an oxycombustoin boiler is presented.
US20150020717 METHOD FOR OPTIMIZING THE OPERATION OF A GAS GENERATOR AND A GAS GENERATOR  
A method for optimizing the operation of a gas generator having a housing part, at the upper end of which are elements for supplying fuel to a fuel compartment inside the housing part. The fuel...
US20110146543 Particulate Fuel Combustion Method and Furnace  
Method of operating a combustion furnace comprising at least one pair of particulate fuel burners positioned opposite one another across a combustion zone, whereby each burner of a pair operates...
US20100154691 HANDLING DEVICE FOR LIQUOR GUNS OF A RECOVERY BOILER PLANT, A RECOVERY BOILER PLANT, AND A METHOD IN A RECOVERY BOILER  
A handling device for liquor guns (2) of a recovery boiler plant, which device comprises transfer means (11) for transferring a nozzle (7) of a liquor gun to the furnace (1) of a boiler and out...
US20130047900 STABILIZING COMBUSTION OF OXYGEN AND FLUE GAS  
Flame stability of a burner that is operated with a mixture of oxygen and flue gas as the oxidant, is enhanced by including a second burner that combusts fuel with oxidant having a high O2 content.
US20080083356 HYBRID BOOSTED OVERFIRE AIR SYSTEM AND METHODS FOR NOx REDUCTION IN COMBUSTION GASES  
A boiler incorporates an overfire air injection system for reducing NOx emissions. The boiler comprises a combustion device including a plurality of main burners supplied with fossil fuel and air...
US20090035713 REHEAT AND TUNNEL FURNACE SYSTEMS WITH REDUCED NITROGEN OXIDES EMISSIONS  
A reheat and tunnel furnace system, and heating processes therefor, are provided. A hydrocarbon fuel and steam mix is supplied to a chemical recuperator that uses heat from the waste gas of the...
US20050211142 Burner, fuel combustion method and boiler retrofit method  
In a burner of construction having a primary nozzle, a secondary nozzle and a tertiary nozzle, a partition wall partitioning the secondary nozzle and the tertiary nozzle and having a flow path...
US20130220189 COMBUSTOR ASSEMBLY AND METHOD THEREFOR  
A method for staged combustion in a combustor assembly includes introducing an oxidant stream and a fuel stream at a first location into a combustion chamber to produce a heated stream. A Liquid...
US20080105175 Methods and systems to increase efficiency and reduce fouling in coal-fired power plants  
A system for reducing fouling and improving efficiency in a coal-fired power plant that may include: 1) an analyzer grid, the analyzer grid including a plurality of sensors that measure gas...
US20060150873 Slot-port system  
A multiple level combustion air system for a chemical recovery boiler incorporates a single level of secondary air ports, with the air ports having an aspect ratio greater than 12. A second...
US20090249988 Apparatus and Process for Oxycombustion with CO2 Capture  
An oxycombustion apparatus comprising an air separation unit (2) in which oxygen (10) is produced optionally by cryogenic distillation, an oxycombustion boiler (1), means for sending the oxygen...
US20060196400 Process for combusting fuels, in particular waste  
A process for combusting fuels, in particular waste, includes reducing the oxygen mass flow of the underfire combustion gas and increasing the oxygen mass flow of the overfire combustion gas in...
US20140137779 NEAR ZERO EMISSIONS PRODUCTION OF CLEAN HIGH PRESSURE STEAM  
Substantially pure high pressure steam is produced within a high pressure heat exchanger. Heat for the high pressure heat exchanger is provided from an outlet of an oxy-fuel combustion gas...
US20120312207 Device and Method for Efficient Mixing of Two Streams  
In one embodiment, a method for generating heat energy includes injecting a stream having a concentration of at least 50% oxygen (O2 stream) into a primary gas stream through a mixer, the mixer...
US20100199722 DILUTE COMBUSTION  
The invention relates to a method of combustion in a furnace provided with a burner comprising an inlet for oxidizer comprising between 10% and 30% of oxygen and an inlet for fuel terminating in...
US20080236459 RECOVERY BOILER COMBUSTION AIR SYSTEM WITH INTERMEDIATE AIR PORTS VERTICALLY ALIGNED WITH MULTIPLE LEVELS OF TERTIARY AIR PORTS  
A combustion air system particularly useful for Kraft process recovery boilers or soda process recovery boilers has a level of liquor air ports located above the black liquor guns, and multiple...
US20120024206 METHOD FOR REDUCING NITROGEN OXIDE EMISSIONS IN OXYFUEL COMBUSTION  
A method for reducing nitrogen oxide emissions in oxyfuel combustion, which method comprises supplying in a furnace (11) of a circulating fluidised bed boiler (10) at least one primary gas flow...
US20090241816 Process for improved combustion of fuel solids  
The invention provides a combustion process using comminuted fuel solids from a steam-driven shear field, with controlled water content and optionally coated with a combustion catalyst. The method...
US20100183991 Premixing burner and method for operating a premixing burner  
A method for operating a premixing burner is provided. The premixing burner includes a premixing zone. An air mass flow and fuel may be injected into the premixing zone, and a potential hot gas...
US20140305357 DUAL PHASE FUEL FEEDER FOR BOILERS  
A dual phase fuel feeder is disclosed that can be used to provide both solid fuels and liquid fuels to a boiler, such as a fluidized bed boiler. The fuel feeder includes a sloped chute which...
US20090320728 METHODS AND COMPOSITIONS FOR DECREASING CARBON EMISSIONS  
A method of burning fuel in a combustion chamber whereby reducing overall carbon emissions, comprising: feeding an oxidizing component and a combustible component to a combustion chamber in a...
US20140080073 HIGH PRESSURE FOSSIL FUEL OXY-COMBUSTION SYSTEM WITH CARBON DIOXIDE CAPTURE FOR INTERFACE WITH AN ENERGY CONVERSION SYSTEM  
A combustion system for operational connection to an energy conversion system and a method of providing thermal energy to the energy conversion system. The system comprises a combustor to be...
US20110083594 METHOD AND APPARATUS OF CONTROLLING OXYGEN SUPPLY IN OXYFUEL COMBUSTION BOILER  
Provided are a method and an apparatus of controlling an oxygen supply in an oxyfuel combustion boiler capable of attaining stable oxyfuel combustion even when properties of coal are changed. A...
US20100139276 Method of Efficiency and Emissions Performance Improvement for the Simple Steam Cycle  
A method for improvement of a fossil fuel energy conversion into electrical energy for the simple sub- and supercritical steam cycle is proposed through introduction of additional regenerative...
US20140360201 METHOD AND APPARATUS FOR SUPPLYING A COMBUSTION CHAMBER WITH NITROGEN  
In a method for supplying nitrogen to a combustion chamber, gaseous nitrogen (9) is drawn off from an air separation unit (7) at a first pressure, the nitrogen is compressed in at least two stages...
US20080305445 PROCESS FOR COMBUSTION OF HIGH VISCOSITY LOW HEATING VALUE LIQUID FUELS  
The present invention is directed to a process for the clean and convenient combustion of high viscosity liquid fuels, such as glycerol, as well as an apparatus useful for carrying such processes....
US20120174624 METHOD FOR OPERATING AT LEAST ONE AIR SEPARATION APPARATUS AND OXYGEN CONSUMPTION UNIT  
The present invention relates to a process for operating at least one air separation unit and an oxygen-rich gas consumer, comprising a carbon fuel combustion unit or a gasification unit, the...
US20120259147 Hydrocarbon cracking furnace with steam addition to lower mono-nitrogen oxide emissions  
An apparatus and method is presented for reducing mono nitrogen oxide emissions in a hydrocarbon processing furnace. A preferred embodiment hydrocarbon cracking furnace includes a firebox with a...
US20090199748 Apparatus and methods for incinerating sludge in a combustor  
A method of incinerating sludge in a combustor is disclosed including establishing at least one target performance characteristic of the combustor; introducing the sludge into the combustor as...
US20120042810 Steam Generation System Having Multiple Combustion Chambers and Dry Flue Gas Cleaning  
A method for producing steam while concurrently reducing emissions. The method includes combusting fuel and an oxidant stream having a high concentration of oxygen in a combustion zone having...
US20140069307 METHOD FOR OPERATING PULVERIZED-COAL-FIRED BOILER FACILITY  
Provided is a method for operating a pulverized coal-fired boiler facility, wherein upgraded low-grade coal can be safely used as fuel and an existing facility needs little remodeling. The present...
US20120115094 COMBUSTION SYSTEM OF A STEAM GENERATOR DESIGNED FOR OXYFUEL OPERATION  
For a steam generator comprising a combustion chamber fired with a fossil fuel and/or with particulate fuel containing carbon and at least one burner level comprising several burners (1) and/or at...
US20130233213 HYBRID GRADUAL OXIDATION  
Described herein are embodiments of systems and methods for oxidizing gases. In some embodiments, a reaction chamber is configured to receive a fuel gas and maintain the gas at a temperature...
US20110045419 METHOD FOR BURNING LIQUID FUELS  
A method for burning liquid fuels, wherein an amount of total combustion air required for burning is introduced into the liquid fuel in the form of small air bubbles to provide a highly variable...
US20090126608 SYSTEM, APPARATUS AND METHOD FOR COMBUSTION OF METALS AND OTHER FUELS  
A system, apparatus and method for the combustion of metals and other fuels are provided. The system can include: a fuel combustion apparatus including a combustor having a combustion chamber for...
US20110000406 Oxycombustion Circulating Fluidized Bed Reactor and Method of Operating Such a Reactor  
An oxycombustion circulating fluidized bed reactor includes a reactor chamber and a gas distribution arrangement provided in a bottom section of the reactor chamber for introducing gas into the...
US20130263766 Combustion of Oil From a Marine Oil Spill  
Method and apparatus for burning oil from an oil release in a body of water. A mixture of oil and water is collected from the surface of the body of water and separated into an oil-enriched...
US20110209647 BIOMASS-TO-ENERGY COMBUSTION METHOD  
A solid biomass-to-energy combustion method includes introducing an oxygen containing gas into a combustion chamber of a suspension furnace to form a flow of gas through the combustion chamber;...
US20120055385 METHOD FOR THE SEPARATION OF GASES  
A method (10) for the separation of gases involving the method steps of: i) passing an exhaust gas stream (27) containing CO2 through a first membrane separation system (30) to produce a...

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