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8226912 Method of treating a gaseous mixture comprising hydrogen, carbon dioxide and hydrogen sulphide  
A gaseous mixture, comprising CO2, H2, H2S and optionally CO, is separated into an H2 or H2 and CO product stream (H2/CO product stream), and a CO2 enriched stream containing at least one...
8226916 Conversion of nitrogen dioxide (NO2) to nitric oxide (NO)  
Inhalation of low levels of nitric oxide can rapidly and safely decrease pulmonary hypertension in mammals. A nitric oxide delivery system that converts nitrogen dioxide to nitric oxide employs a...
8221712 Absorption medium for the selective removal of hydrogen sulfide from fluid streams  
An absorption medium for the removal of acid gases from a fluid stream comprises an aqueous solution a) of at least one amine and b) at least one phosphonic acid, wherein the molar ratio of b) to...
8221687 System and method for the removal of greenhouse gases  
A system and a method are provided for removing greenhouse gases, particulates and pollutants from the atmosphere utilizing a greenhouse gas collection apparatus. An atmospheric mixture is...
8197753 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...
8192528 Method for removing mercury from natural gas  
A method and apparatus for separating mercury and other undesired constituents from a natural gas stream includes passing the raw gas stream sequentially through a first separator, an amine...
8187544 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...
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...
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...
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...
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...
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...
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...
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 imidazolate...
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 imidazolate...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...