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8182776 |
Process for operating a fossil fuel fired power plant
An integrated process for operating a fossil fuel fired power plant including: producing hydrogen gas and an aqueous solution of hydrogen peroxide via a process including: dissociating hydrogen gas...
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8176654 |
Method and device for preventing corrosion of a gas inlet nozzle during nitric acid condensation
By a method and a device for preventing corrosion on and in the region of a gas inlet nozzle during nitric acid condensation, contact of the condensing gas with the nozzle and with the surroundings...
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8168148 |
Flue-gas purification and reclamation system and method thereof
A flue-gas purification system includes a flue-gas cycling system, a reactor, an absorbent adding system having at least a catalytic absorbent, wherein the catalytic absorbent is being gasified for...
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8155509 |
Method and device for providing a gaseous substance mixture
A device and method for providing a gaseous substance mixture which includes at least one reducing agent and/or at least one reducing agent precursor, includes a reservoir for an aqueous solution...
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8147784 |
Combined waste gas treatment of waste gas streams containing ammonia and nitrogen oxides in industrial plants
Combined removal of both ammonia from an ammonia-containing waste gas and nitrogen oxides from a nitrogen oxide-containing waste gas in a combined ammonia/urea synthesis plant is accomplished by...
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8142746 |
Separation of carbon dioxide from methane utilizing zeolitic imidazolate framework materials
The present invention relates to the selective separation of carbon dioxide (“CO2”) from methane (“CH4”) in streams containing both carbon dioxide and methane utilizing a zeolitic imidazo...
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8142745 |
Separation of carbon dioxide from nitrogen utilizing zeolitic imidazolate framework materials
The present invention relates to the selective separation of carbon dioxide (“CO2”) from nitrogen (“N2”) in streams containing both carbon dioxide and nitrogen utilizing a zeolitic imidazo...
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8145044 |
Air ammonia heater and vaporization chamber system
An air ammonia heater and vaporization chamber system utilizing a contiguous vaporization chamber having an inlet for receiving dilution air, which is passed across at least one heating element...
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8137649 |
Systems and methods for removing gaseous pollutants from a gas stream
Horizontal gas-liquid scrubbing systems and associated gas scrubbing methodologies are provided. In one embodiment, a horizontal duct scrubbing system includes a horizontally disposed housing...
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8114367 |
Systems and methods for carbon capture and sequestration and compositions derived therefrom
A method of sequestering a greenhouse gas is described, which comprises: (i) providing a solution carrying a first reagent that is capable of reacting with a greenhouse gas; (ii) contacting the...
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8110164 |
Flue-Gas purification and reclamation system and method thereof
A flue-gas purification system includes a flue-gas cycling system, a reactor, an absorbent adding system having at least a catalytic absorbent, wherein the catalytic absorbent is being gasified for...
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8097074 |
Air filtration and absorption method and system for the remediation of hydrazine
An air filtration system and method for the remediation of hydrazine from contaminated air. The system is provided in the form of a container with an inlet port and an outlet port containing...
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8092767 |
Method of decomposing nitrogen dioxide
A method of decomposing nitrogen dioxide to nitrogen monoxide in an exhaust gas of a lean-burn internal combustion engine, such as a diesel engine, comprises adjusting the C1 hydrocarbon:nitrogen...
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8088348 |
Air pollution control system and method for coal combustion boiler
An air pollution control system for a coal combustion boiler includes: a NOx removing apparatus that reduces nitrogen oxide contained in flue gas emitted from this coal combustion boiler, an air...
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8080225 |
Functional fluid and a process for the preparation of the functional fluid
A functional fluid for the removal of contaminates such as but not limited to, acid causing components in gas, sulfur components and carbon oxides from fluid streams, and removal and treatment of...
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8071060 |
Flue gas control system of coal combustion boiler and operating method thereof
A flue gas control system of a coal combustion boiler comprises an HCl atomizer that sprays hydrogen chloride to flue gas from a coal combustion boiler that uses coal as a fuel; NOx removing...
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8066963 |
Removal of particulates from the exhaust gas of internal combustion engines operated with a predominantly stoichiometric air/fuel mixture
The exhaust gas of internal combustion engines operated with a predominantly stoichiometric air/fuel mixture contains, as well as the gaseous hydrocarbon (HC), carbon monoxide (CO) and nitrogen...
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8062618 |
Exhaust aftertreatment system and method of treating exhaust gas
A diesel exhaust aftertreatment system and method are provided. The system includes a lean NOx trap for reducing NOx and a transition metal-exchanged zeolite booster catalyst positioned downstream...
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8052950 |
Multi-compartment overfire air and N-agent injection method for nitrogen oxide reduction in flue gas
A method of decreasing a concentration of nitrogen oxides in a combustion gas flowing through a vessel including: generating a flue gas in a combustion zone of the vessel, the flue gas containing...
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8029750 |
Process and device for removal of exhaust gases
The invention relates to a process as well as a device for removal of exhaust gas (7) that contains oxidizable pollutants. The exhaust gas (7) that contains oxidizable pollutants is introduced at a...
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8025860 |
Removal of acid mists
Acid mist may be removed efficiently from a gas stream using at least one fiber bed mist eliminator operating at elevated pressure of typically at least 2 bar (0.2 MPa), e.g. at about 4 bar (0.4...
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8021635 |
Combustion furnace humidification devices, systems and methods
An injection device for humidifying a reactor space and injecting and dispersing reagents into the humidified reactor space, including an exterior injection duct for high-velocity gas injection and...
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8017100 |
Conversion of urea to reactants for NOx reduction
The invention provides a system for converting urea into reactants useful for removing NOX from industrial emissions. The system includes a urea inlet, a steam inlet, and a reactor in fluid...
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8012438 |
Wet scrubber additive for simultaneous removal of oxides and metals from a gas
A method for controlling multipollutant (e.g., SO2, NOx, Hg0 and Hg2+) emissions from a gas stream of a stationary combustion source, an apparatus for controlling multipollutant emissions, and a...
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7998444 |
Method of reducing nitrogen oxides in a gas stream with vaporized ammonia
The present invention is a method for selective reduction of nitrogen oxides in a gas stream with ammonia wherein the ammonia is vaporized prior to contacting it with the carrying fluid. The...
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7993616 |
Methods and devices for reducing hazardous air pollutants
The disclosure provides methods and systems for sequestering and/or reducing sulfur oxides, nitrogen oxides and/or carbon dioxide present in industrial effluent fluid streams. A solid particulate...
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7964166 |
Process for removing contaminants from gas streams
The present invention provides for process for inhibiting the levels of nitrogen oxides in process gas streams from sulfuric acid regeneration and production plants. The process gas stream from the...
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7959884 |
Apparatus for purifying air and purifying method thereof
An air purifying apparatus includes an air flow generating device for generating a flow of air, a nozzle spraying water to the air flowing through the air flow generating device, a plasma module...
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7950226 |
LNT-SCR system optimized for thermal gradient
In an exhaust aftertreatment system, two LNTs having differing compositions are configured in series downstream from an inline fuel reformer. The downstream LNT is adapted for desulfation at higher...
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7947168 |
Segregation of streams for the production of ammonia
A method for recovering NH3 present in a sour water stream containing odiferous compounds such as pyridines, indoles, ketones and mercaptans produced during an upgrading process for upgrading...
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7927573 |
Multi-stage process for purifying carbon dioxide and producing acid
Carbon dioxide is purified by processes employing NOx-rich sulfuric acid that can be formed by removal of SO2 from the carbon dioxide.
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7927572 |
Purifying carbon dioxide and producing acid
Carbon dioxide is purified by processes employing NOx-rich sulfuric acid that can be formed by removal of SO2 from the carbon dioxide.
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7914743 |
Conversion of nitrogen dioxide (NO2) to nitric oxide (NO)
Various systems, devices, NO2 absorbents, NO2 scavengers and NO2 recuperator for generating nitric oxide are disclosed herein. According to one embodiment, an apparatus for converting nitrogen...
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7906091 |
Removal of laughing gas in nitric acid production
A method and device for removal of N2O in nitric acid production are disclosed. The device is arranged after a heat exchanger, post ammonia burning, before the absorption tower and contains a...
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7906089 |
Systems and methods for removing gaseous pollutants from a gas stream
Horizontal gas-liquid scrubbing systems and associated gas scrubbing methodologies are provided. In one embodiment, a horizontal duct scrubbing system includes a horizontally disposed housing...
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7906087 |
Heat recovery gas absorption process
Apparatus comprising an absorber device provided with a plurality of sequentially adjacent sections for flowing a gas stream therethrough. A solvent reactable with components of the gas stream is...
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7906086 |
Carbon dioxide sequestration materials and processes
The disclosure provides methods and systems for sequestering and/or reducing carbon dioxide present in an industrial effluent fluid stream containing carbon dioxide. A scrubbing material comprising...
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7901647 |
Enhancement of conventional SCR and SNCR processes with ammonia destruction catalyst
An apparatus and method for achieving increased NOx removal efficiency from an emissions control portion of a fossil fuel fired boiler while controlling ammonia slip provides excess levels of...
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7895769 |
Method and a plant for thermally drying wet ground raw meal
Raw meal sludge is dried in a vapor flow dryer by circulating exhaust vapor through a steam circuit which, prior to introduction thereof into the lower part of the dryer, is heated by indirect heat...
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7883678 |
Microporous crystalline material comprising a molecular sieve or zeolite having an 8-ring pore opening structure and methods of making and using same
There is disclosed a hydrothermally stable microporous crystalline material comprising a molecular sieve or zeolite having an 8-ring pore opening structure, such as SAPO-34 or aluminosilicate...
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7877983 |
Arrangement for supplying a medium into an exhaust gas conduit in an internal combustion engine
An arrangement for supplying a medium to an exhaust line of a combustion engine. The arrangement comprises a first exhaust passage defined by at least a first wall surface of an element, and a...
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7879305 |
Apparatus and method for sequestering flue gas CO2
A fluidized bed reactor device for sequestering flue gas CO2 from a flue gas source is provided. The fluidized bed reactor device comprises an operating portion having a first end and a second end....
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7867462 |
Coal combustion systems with emissions control and fly ash beneficiation and methods thereof
A method and system for controlling emissions with ammonia recovery and fly ash beneficiation in accordance with the present invention includes introducing ammonia to react with at least a portion...
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7862787 |
Heat recovery device for a boiler
A boiler conveys an exhaust gas stream to a heat recovery device. The heat recovery device includes an air straightener, a heat recovery unit or feedwater heater, and a catalyst assembly positioned...
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7862771 |
APC process parameter estimation
A virtual analyzer is provided to estimate either an attribute of a reactant applied during performance of, or an amount of a reactant exhausted by, a process having multiple process parameters...
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7860586 |
Process parameter estimation in controlling emission of a non-particulate pollutant into the air
A parameter value estimator is provided for a process performed primarily to control emission of a particular non-particulate pollutant, such as NOx and SO2, into the air. The process has multiple...
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7858062 |
Synthesis and use of nanocrystalline zeolites
Embodiments of the present invention relate to a method for synthesizing nanocrystalline zeolites, the method comprising contacting starting products that comprise a solvent, a silicon source, a...
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7846406 |
Scrubber for removing pollutants from flue gas
A scrubber for scrubbing at least one pollutant from flue gas includes a first stage configured to provide a chemical oxidant to a stream of flue gas, and a second stage configured to provide a...
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7846407 |
Self-concentrating absorbent for acid gas separation
An process for efficiently deacidizing a gaseous mixture is described. The process utilizes a self-concentrating absorbent that absorbs an acid gas at reduced overall energy costs for the...
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7842264 |
Process and apparatus for carbon capture and elimination of multi-pollutants in flue gas from hydrocarbon fuel sources and recovery of multiple by-products
A multiple stage apparatus and process using aerodynamic reactors and aero-coalescers in sequence for the selective capture and removal of purified carbon dioxide gas, the sequential capture and...
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