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| Number | Title | Issue Date |
| 7954438 | Wood fired boiler A bio-mass fueled boiler operating at delivered efficiencies in excess of 90%. Pre-heated, pressurized primary combustion air is supplied to a primary burn chamber via horizontal and vertical orifice containing conduits. Exhaust gases are directed past a reflective ... | 06/07/2011 |
| 7435400 | Optimizing post-combustion nitrogen oxide and sulfur dioxide reductions and improving combustion efficiency in coal fired boilers A method for increasing the nitrogen oxide emissions by either removing or modifying fuel rich nitrogen oxide (NOx) reduction processes thereby improving combustion efficiencies especially with low volatile low sulfur coals, and remove unburned carbon, re... | 10/14/2008 |
| 7399458 | Fired equipment with catalytic converter and method of operating same A fired equipment system and process for operating same is provided that combines stationary industrial burner technology and a catalyst bed that converts pollutants formed during combustion of fuel and air in the burner to yield stack gases that need no further tre... | 07/15/2008 |
| 7363867 | Method and apparatus for adding reducing agent to secondary overfire air stream A combustion boiler for burning fuel and producing heat to generate steam. A method of minimizing discharging of nitrogen oxides from a combustion boiler comprising the steps of spraying a reducing agent into an overfire air stream and supplying the overfire air str... | 04/29/2008 |
| 7357632 | Automated wood-fired pottery kiln A kiln and method of firing a kiln are provided for use in connection with the firing of small-scale pottery firing. The kiln includes a kiln wall that defines a main kiln volume that is no larger than 60 cubic feet and is less than 10 cubic feet in one embodiment. ... | 04/15/2008 |
| 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 |
| 7249564 | Method and apparatus for utilization of partially gasified coal for mercury removal A method for capturing mercury in a flue gas formed by solid fuel combustion including: combusting coal, wherein mercury released during combustion is entrained in flue gas generated by the combustion; generating a thermally activated carbon-containing sorbent by pa... | 07/31/2007 |
| 7074033 | Partially-open fired heater cycle providing high thermal efficiencies and ultra-low emissions A partially open fired heater regenerative cycle wherein the fired industrial type heater cycle's heat transfer fluid replaces the air predominant nitrogen heat transfer fluid employed in a conventional air/fuel combustion heater. The heater cycle's method and appar... | 07/11/2006 |
| 7036498 | Multi-position furnace A multi-position furnace is provided that can be positioned for downflow operation, upflow operation, left horizontal flow operation, or right horizontal flow operation without major modifications in the field. The furnace includes a multi-position condensate draini... | 05/02/2006 |
| 7019190 | Soil remediation system A process and apparatus for energy efficient remediation of soil contaminated with hydrocarbons, including desorbing the hydrocarbon contaminants from a bed of the soil by thermal desorption in a treated desorption chamber (20) and thereafter combusting the c... | 03/28/2006 |
| 7013817 | Method for reducing the amount of a pollutant in a flue gas resulting from the combustion of a fossil fuel A process for removal of a pollutant from a flue gas. An alkaline admixture is coated with a coating agent that improves dispersability and delays calcination of the alkaline admixture within a combustion zone and results in a coated alkaline admixture. The coated a... | 03/21/2006 |
| 7004087 | High temperature gas reforming cyclo-incinerator A high temperature gas reforming cyclo-incinerator, using reformed water and strongly swirling inlet air in its interior to burn up wastes. The incinerator has a dust collecting structure designed to almost completely remove circulating dust and other harmful impuri... | 02/28/2006 |
| 7004085 | Cracking furnace with more uniform heating A cracking furnace for the pyrolysis heating of an organic feedstock includes a heating section and at least one convection section. In one embodiment the furnace includes first and second convection sections positioned along opposite sides of the heating section. T... | 02/28/2006 |
| 6945180 | Miniature garbage incinerator and method for incineration A portable miniature incinerator is described allowing easy disposal of household garbage for a single-family house or a small apartment building. The housing of the incinerator is mounted on a wheeled hand-truck assembly and contains an incineration block and a fil... | 09/20/2005 |
| 6926756 | Method and apparatus for controlling the operation of a scrubber A method and system to control the operation of a scrubber, in which, the system includes a valve to control the flow of an exhaust from a tool, a sensor to determine whether the valve is open or closed and a controller to control the operation of the scrubber depen... | 08/09/2005 |
| 6907831 | Photolytic method of improving mercury capture in fossil (coal) fired systems A combustion-based system and related method includes a combustor for burning a combustible material, wherein an exhaust gas stream output by the combustor includes NO2 and at least one metal including mercury. An ultraviolet light source is in optical co... | 06/21/2005 |
| 6865994 | Step-diffuser for overfire air and overfire air/N-agent injector systems An overfire air injector for use in a fossil fuel-fired combustion device includes a cylindrical nozzle having an outlet end formed with a step diffuser comprising one or more radial steps that enlarge the outlet end of the nozzle. An atomizer lance may be mounted w... | 03/15/2005 |
| 6709637 | Fume recovery apparatus and methods Apparatus (10) for recovering fumes from a roofing kettle (12) includes a fan (72) for drawing air from the hollow interior of a housing (20). A conduit (34) extends through the housing front wall (22) and terminates in the ... | 03/23/2004 |
| 6694899 | Use of expanded agents for minimizing corrosion and build-up of deposits in flue-gas systems A method for minimizing corrosion and the build-up of deposits on surfaces of a flue-gas system exposed to moist substances and elevated temperatures, and particularly those surfaces which are used to convey other additives to the system and the surfaces ... | 02/24/2004 |
| 6672080 | Rapid cooling device and method of rapidly cooling the device A rapid cooling apparatus passing hot exhaust gas in a short time along a flow path formed in a cooling setting with piled up arrangement and having a reduced cross-sectional area of the flow path to reduce the volume thereof so as to cool rapidly to a te... | 01/06/2004 |
| 6534020 | Fume recovery methods Apparatus (10) for recovering fumes from a roofing kettle (12) includes a fan (72) for drawing air from the hollow interior of a housing (20). A conduit (34) extends through the housing front wall (22) and terminates in the hollow interior. A burner assem... | 03/18/2003 |
| 6521021 | Thief process for the removal of mercury from flue gas A system and method for removing mercury from the flue gas of a coal-fired power plant is described. Mercury removal is by adsorption onto a thermally activated sorbent produced in-situ at the power plant. To obtain the thermally activated sorbent, a lanc... | 02/18/2003 |
| 6485296 | Variable moisture biomass gasification heating system and method A sloping fuel grate allows primary air to flow up into a thick biomass fuel bed in a gasifier producing combustible gases. Fuel feed screws keep the fuel bed at a nearly constant height in response to a level indicator. A burner above the fuel bed admits... | 11/26/2002 |
| 6470812 | Method and apparatus for recovering energy from wastes by combustion in industrial furnaces Method and apparatus to recover energy from waste by means of combustion of such waste in industrial furnaces, particularly of the rotary type, that has an external calciner, feeding such waste into the tertiary air duct of the calciner and burning the wa... | 10/29/2002 |
| 6463864 | Gasification melting furnace for wastes and gasification melting method A gasification and melting furnace for wastes has a vertically movable furnace center lance disposed along the axis of the furnace and adapted to blow off a combustion sustaining gas downward into the furnace. One or more stages of upper tuyeres are dispo... | 10/15/2002 |
| 6453829 | Incinerator assembly having waste smoke treating device An incinerator device includes an incinerator for burning the garbage to generate a smoke, the smoke has a portion sent back to and retreated by the incinerator, and the other portion sent to and retreated by a furnace. The furnace may energize a steam bo... | 09/24/2002 |
| 6443078 | Process and plant for depolymerizing of the CH chains of solid materials Materials containing CH polymer chains are treated by a process comprising triggering combustion of the material in an environment insulated from the outside; removing gaseous combustion products from the environment under a vacuum; feeding combustion-sup... | 09/03/2002 |
| 6439138 | Char for contaminant removal in resource recovery unit A method and apparatus for controlling or removing mercury, mercury compounds and high molecular weight organics, if present, from a waste incineration apparatus exhaust stream by separately adding a carbonaceous char to the flue gas while the flue gas is... | 08/27/2002 |
| 6431095 | Method of improving combustion in a system having a circulating fluidized bed, and a corresponding system The method is applicable to a combustion system of the circulating fluidized bed type which system includes a hearth and a cyclone, and operates using fuel that is inserted into the bottom of the hearth, where a reducing atmosphere is created and where th... | 08/13/2002 |
| 6422159 | Incinerator for home use An incinerator has a combustion vessel, a base trap and an afterburner. The combustion vessel has a combustion chamber, an exhaust leading from the chamber, an air intake leading to the chamber, and a gas intake leading to the chamber. Fresh air is mixed ... | 07/23/2002 |
| 6418864 | Incineration process and incinerator using heat generated from combustion to bake and sublimate waste to produce gases using as fuel for the burning An incineration process and an incinerator using heat generated from combustion to bake and sublimate waste to produce gas as for burning waste is designed to use heat generated from the gas as burning chamber in the baking process and to allow waste to e... | 07/16/2002 |
| 6394008 | Splitter plate arrangement for a flue gas stack A splitter plate arrangement is provided for controlling the flow of flue gas in a vertical stack. The splitter plate arrangement 100 is operable to control the flow of flue gas in a vertical stack 128 having an annular entry 130 communicated with two inl... | 05/28/2002 |
| 6389995 | Method of combustion and a combustion plant in which absorbent is regenerated A method of combustion and a combustion plant in which absorbent is regenerated is described herein. During the combustion of a fuel in a combustion chamber enclosing a fluidized bed, a fuel and an absorbent are supplied to the fluidized bed. The combusti... | 05/21/2002 |
| 6363868 | Combustors and burners with high turndown ratio Various smoke and combustible gas combustors (200, 300) are disclosed, and also disclosed are systems (100, 200) combining gas combustor with inventive burner. Such a burner (100 or 100') provides combustion of a particulate fuel such as sawdust, and many... | 04/02/2002 |
| 6341567 | Volatile materials treatment system Apparatus for the treatment of volatile material(s) in contaminated material(s) including a retort assembly which includes a rotatable retort disposed at least partially within a combustion chamber with a heater to indirectly heat the contents of the rota... | 01/29/2002 |
| 6336415 | Method for the heat treatment of solids In a process for the thermal treatment of solid materials (3), in particular refuse, in which the solid materials (3) are burnt/gasified or pyrolized in a first step (5) with a lack of oxygen, and then, in an afterburning zone (14), the flue gases (6) fro... | 01/08/2002 |
| 6325000 | Waste incineration machine A waste incineration machine capable of rendering a waste gas occurring during the combustion of waste smokeless and odorless. A heat insulating wall to which a first far infrared ray radiator is fixed is provided so as to surround a combustion furnace an... | 12/04/2001 |
| 6293787 | Method of regulating the flue gas temperature and voltage supply in an electrostatic precipitator for a cement production plant A cement production plant and method of regulating the flue gas temperature in a cement production plant. The cement production plant includes a kiln, a flue gas conditioning device, a mill and an electrostatic precipitator. The flue gas from the kiln is ... | 09/25/2001 |
| 6289827 | Process for the control of ash accumulation and corrosivity associated with selective catalytic reduction technology A process for the utilization and strategic addition of ash modifying compounds, into selective catalytic reduction units, to modify the resultant ash chemistry to control ash accumulation and corrosive effects of the combustion products, and problems ass... | 09/18/2001 |
| 6280182 | Disposal of gas evaporated with heat treatment Organic gases and the like containing poisonous dioxin and so on which are evaporated from articles when they are subjected to a heat treatment such as degreasing, are led from a muffle where they are heated into radiant heating tubes located outside the ... | 08/28/2001 |
