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7544339 |
Method and apparatus for removing mercury from combustion exhaust gas
A method for reducing mercury emissions in combustion flue gas is provided. The method includes combusting coal such that a flue gas flow is created. The flue gas flow includes at least mercury and...
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7540155 |
Thermal shield stone for covering the wall of a combustion chamber, combustion chamber and a gas turbine
A thermal shield stone for covering the wall of a combustion chamber. The stone includes a hot side which can be exposed to a hot medium and a wall side which is arranged opposite the hot side. A...
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7533620 |
Combustion installation with CO2 recovery
An installation for combustion ( 1 ) of carbon-containing solids includes an oxide reducing reactor ( 2 ), a first cyclone ( 5 ), a recuperator ( 6 ), an oxidation reactor ( 3 ), a second cyclone (...
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7531153 |
Methods and apparatus for removing mercury from combustion flue gas
A method for reducing an amount of mercury in flue gases generated by the combustion of coal is provided. The method includes combusting a quantity of coal and a quantity of air within a primary...
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7530351 |
Pellet burning heating assembly
A portable pellet fired heating element for mounting to a grill or stove and comprising a gravity fed pellet holder, a unitary tubular structure having a burner, an air intake and an exhaust chute....
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7520249 |
Circulating fluidized bed reactor with a convertible combustion method
A circulating fluidized bed reactor is provided that includes a reaction chamber having a vertical partition wall forming two independent subchambers that include a combustion subchamber and a...
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7514049 |
Method and apparatus for thermal phase separation
An improved thermal phase separation unit separates contaminants from a contaminated substrate. The improved thermal phase separation unit includes an enclosure arranged to withstand temperatures...
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7513061 |
Sludge dehydrating processor for converting sludge including organic substance into resources of low water content
There has been achieved a sludge dehydrating processor with less mechanical operation and with satisfactory dehydrating efficiency and heating efficiency. In order to process and convert sludge...
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7507083 |
Reducing mercury emissions from the burning of coal
Processes and compositions are provided for decreasing emissions of mercury upon combustion of fuels such as coal. Various sorbent compositions are provided that contain components that reduce the...
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7504081 |
Methods and apparatus to facilitate reducing mercury emissions
A method for reducing an amount of mercury in flue gas is provided. The method includes injecting a quantity of coal having a fineness of less than 70%<200 mesh and greater than or equal to...
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7503268 |
Transportable incineration apparatus and method
A transportable incineration apparatus for burning wood and green waste comprises a trailer and a firebox mounted on the trailer by a suspension system operable to lift the firebox off of the...
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7500437 |
Method and system for SCR optimization
Methods and systems are provided for controlling SCR performance in a boiler. The boiler includes one or more generally cross sectional areas. Each cross sectional area can be characterized by one...
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7497172 |
Method to decrease emissions of nitrogen oxides and mercury through in-situ gasification of carbon/water slurries
In a method for removing NO x from the flue gas using a coal water slurry, other carbon containing fuel and water, or unburned carbon existing in the furnace itself due to continuing combustion,...
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7497682 |
Method of operating furnace to reduce emissions
Emissions of NOx and CO are reduced from combustion devices such as coal-fired furnaces by increasing the stoichiometric ratio of burner(s) having a lower average temperature and increasing the...
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7494079 |
Refuse recycling plant
A recycling plant comprises a main conveyor that rotates horizontally near ground level. Collected mixed refuse is brought in by trucks on a driveway surrounding the main conveyer. Loaders or...
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7494633 |
Gas abatement
Apparatus is described for treating an effluent fluid stream from a semiconductor manufacturing process tool. The apparatus comprises a combustion chamber, means for heating the combustion chamber,...
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7490601 |
Device and method for reducing fireplace particulate emissions
A fireplace afterburner is presented including a shell having a first open shell end for receiving fireplace emissions and a second open shell end for expelling fireplace emissions, a flue inside...
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7484957 |
Bulk material cooler for cooling hot materials to be cooled
The invention aims at providing a bulk material cooler particularly for hot cement clinker, wherein the conveyance performance and the efficiency of the cooler are enhanced and problems due to wear...
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7484955 |
Method for controlling air distribution in a cyclone furnace
Methods for cyclone boiler flame diagnostics and control, including methods for monitoring the operating state of a cyclone furnace using linear and nonlinear signal analysis techniques, including...
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7475645 |
Retractable liquor gun holder for a recovery furnace
A liquor gun holder for a recovery furnace includes a rail assembly, a carriage assembly moveably mounted onto the rail assembly such that the carriage assembly is moveable longitudinally along the...
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7476372 |
Flue gas scrubbing process utilizing biosolids
A method for reducing acid gases in a flue gas, the method comprising reacting biosolids comprising a scrubbing agent with a flue gas comprising an acid gas, thereby reducing the amount of acid gas...
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7475646 |
System and method for decreasing a rate of slag formation at predetermined locations in a boiler system
A system and a method for decreasing a rate of slag formation at predetermined locations in a boiler system are provided. The boiler system has a plurality of burners, a plurality of slag detection...
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7473095 |
NOx emissions reduction process and apparatus
A method and apparatus for afterburning of hydrocarbon with air. Exhaust gas from a process in which hydrocarbon has been evolved is combusted with air to produce reduced NO X emissions....
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7472657 |
Apparatus for reducing NOx emissions in furnaces through the concentration of solid fuel as compared to air
A device for optimizing coal-air proportions entering a furnace is disclosed. The invention generally comprises a burner nozzle having two ends and an outer tube forming a perimeter of the burner...
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7473303 |
System and method for improved mercury control
A combustion system having improved mercury collection. The system includes a combustion chamber for burning a fuel containing mercury, whereby burning produces a flue gas stream containing mercury...
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7469647 |
System, method, and article of manufacture for adjusting temperature levels at predetermined locations in a boiler system
A system, a method, and an article of manufacture for adjusting temperature levels in predetermined locations in a boiler system are provided. The boiler system has a plurality of burners and a...
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7468170 |
Nitrogenous sorbent for coal combustion
Sorbent compositions for coal contain nitrogenous components that reduce the level of mercury and/or sulfur emitted into the atmosphere upon combustion. The sorbent compositions are added directly...
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7461604 |
Starved air inclined hearth combustor
An inclined hearth combustor which generally includes a primary combustion chamber having a plurality of stepped hearths, a secondary combustion chamber in communication with the primary combustion...
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7458325 |
Process and apparatus for thermally treating bio-solids
A high throughput process and apparatus for thermal remediation of bio-solids, e.g., bio-sludge from wastewater treatment plants, has a dryer with a high capacity heat source to volatilize and...
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7457689 |
Process control methodologies for biofuel appliance
Apparatus for controlling the operation of a biomass stove utilizes three proportional integral derivative (PID) controllers as part of a closed loop to control the fuel feed rate, the convection...
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7452517 |
Integrated approach to reduction of mercury emissions
Method for reducing mercury emissions from coal-fired combustion comprising staging of a combustion unit to remove mercury with fly ash from the flue gas, introducing activated carbon to remove...
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7449156 |
Molten metal reactor utilizing molten metal flow for feed material and reaction product entrapment
A molten metal reactor ( 10 ) quickly entrains a feed material in the molten reactant metal ( 16 ) and provides the necessary contact between the molten reactant metal and the feed material to...
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7448332 |
Refuse disposal by environmentally safe high temperature disintegration
A method and apparatus for burning material having a primary burner in the form of an elongated cylinder, the ends of the cylinder closed with stationary end walls. The cylinder is rotated about...
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7444947 |
Method for feeding a mixture comprising a burnable solid and water
The present invention is a method for feeding a mixture comprising a burnable solid and water to a combustion furnace or gasification reactor, comprising heating the mixture with a heater to...
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7438005 |
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.
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7438003 |
Burning container
A burning device includes a plurality of interconnected chamber walls defining a burning chamber and a central axis, each chamber wall also defining a plurality of chamber apertures. A plurality of...
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7438004 |
MgAl2O4 spinel refractory as containment liner for high-temperature alkali salt containing environments
A method includes containing a high-temperature alkali salt containing environment using a refractory containment liner containing MgAl 2 O 4 spinel. A method, includes forming a refractory brick...
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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 (NO x ) reduction processes thereby improving combustion efficiencies especially with...
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7435286 |
Sorbents for the oxidation and removal of mercury
A promoted activated carbon sorbent is described that is highly effective for the removal of mercury from flue gas streams. The sorbent comprises a new modified carbon form containing reactive...
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7431686 |
Portable vapor containment structure
A portable vapor containment structure has a support frame, at least three wheels to roll the support frame about the ground and wheel retractors for retracting each of the wheels so as to allow...
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7430969 |
Method for reducing the amount of a sulfur dioxide in a flue gas resulting from the combustion of a fossil fuel
A process for removal of sulfur dioxide 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...
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7430970 |
Burner with center air jet
A new burner apparatus and method of combusting fossils fuels for commercial and industrial application is provided wherein the new burner apparatus achieves low NO x emissions by supplying oxygen...
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7426892 |
Water-cooled grate
The present invention relates to a water-cooled grate, which can be cooled while avoiding high and low temperature corrosions. The water-cooled grate comprises: at least one cooling pipe for...
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7426891 |
System for converting animal waste into an environmentally friendly energy source
A simplified energy producing system that utilizes natural animal waste and/or by-products and converts such waste into a usable clean energy source. The system incorporates a grinder/dehydration...
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7424856 |
Grate element for a grate of a waste combustion installation
The present invention relates to a grate element ( 1 ) for a grate of a waste-incineration plant, having a plurality of rows of grate blocks, which are moveable or fixed, arranged one behind the...
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7424855 |
Slide arrangement
A slide arrangement for blocking or closing off a channel disposed between a coal pulverizer and coal dust burners, and conveying a gas having a high proportion of coal dust. The slide arrangement...
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7421959 |
Systems and methods for processing waste materials
A multi-step process is provided in which waste material is processed in two or more steps. Specifically, an earlier step of the process heats the waste material at a first temperature. This...
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7416406 |
Furnace framework system with expansion joint
Aspects of this invention include a furnace framework system which includes a framework with a first end piece, a second end piece and inter-connecting structural members operatively connecting the...
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7410611 |
In-line method and apparatus to prevent fouling of heat exchangers
The present invention relates to a method and apparatus for the prevention of fouling of process streams by the application of electric charge on process components. The electric charge may be...
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7409838 |
Reducing corrosion and particulate emission in glassmelting furnaces
A glassmelting furnace is heated by combustion of fuel having an atomic ratio of hydrogen to carbon of 0.9 or less.
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