Matches 1 - 50 out of 161 1 2 3 4 >


Match Document Document Title
US20110311424 BIOMASS BOILER SCR NOx AND CO REDUCTION SYSTEM  
A selective catalytic reduction system and method for reducing nitrogen oxide (NOx) emissions comprising a boiler producing flue gas emissions, a particulate control device receiving flue gas...
US20110052468 METHOD OF REMOVING MERCURY FROM EXHAUST GAS USING CHLORINE COMPOUND  
There is provided an effective method for removing mercury comprising injecting NaClO2 into an emission gas containing elemental mercury and NOx; converting the elemental mercury to oxidized...
US20140127100 METHOD FOR THE PRODUCTION OF AMMONIA FROM AN AMMONIA PRECURSOR SUBSTANCE IN ORDER TO REDUCE NITROGEN OXIDES IN EXHAUST GASES  
The present invention relates to a method for generating ammonia from an ammonia precursor substance and to the use thereof for reducing nitrogen oxides in exhaust from industrial facilities, from...
US20150037232 ABSORPTION AND OXIDATION OF NO IN IONIC LIQUIDS  
The present invention concerns the absorption and in situ oxidation of nitric oxide (NO) in the presence of water and oxygen in ionic liquid compositions at ambient temperature.
US20110274605 PROCESS AND DEVICE FOR SIMULTANEOUSLY DESULFURIZING AND DENITRATING THE FLUE GAS WITH THE SEAWATER  
A process for simultaneously desulfurizing and denitrating the flue gas with seawater includes the following steps: 1) catalytically scrubbing the flue gas containing SO2 and NOx with the seawater...
US20130011316 STRONTIUM CHLORIDE EXPANSIVE DISKS AND COMPRESSION WELDED CARTRIDGE AND METHOD  
A device and method relating to storage of ammonia in a solid form and the subsequent release of gaseous ammonia for use in the selective catalytic reduction of NOx, is disclosed.
US20130074746 METHOD AND APPARATUS FOR REDUCTION OF POLLUTANTS IN COMBUSTION EFFLUENT  
Selective non-catalytic reduction (SNCR) of pollutant remissions in a fossil fuel combustion furnace having water cannons installed therein for removing combustion incrustation is accomplished by...
US20120070354 SCRUBBING A GAS CONTAINING NITROGEN OXIDES  
The invention relates to a method for removing nitrogen monoxide (NO) and nitrogen oxides (NOx with x>1) from a gas stream, implementing a device including a catalytic bed for converting a portion...
US20140286845 METHOD FOR REMOVING NITROGEN OXIDES  
This method for removing nitrogen oxides brings exhaust gas containing oxygen and at least one nitrogen oxide selected from the group consisting of nitrogen monoxide and nitrogen dioxide into...
US20140199221 METHOD FOR REMOVING CONTAMINANTS FROM EXHAUST GASES  
A method for removing contaminants from the effluent from metal pickling operations by oxidizing the contaminants in the effluent, passing the oxidized effluent to a first scrubber thereby...
US20100120095 ELECTROMAGNETIC BIOACCELERATOR  
The present invention relates to an electromagnetic bioaccelerator for obtaining biomass by simulating environmental marine conditions, comprising at least the following elements: octagonal...
US20120141346 COMBUSTION FLUE GAS NOx TREATMENT  
Combustion flue gas containing NOX and SOX is treated to remove NOX in a multistep system in which NOx is reduced in the flue gas stream via selective catalytic reduction or selective...
US20130272940 On Demand Generation of Ammonia for Small Industrial and Commercial Boilers  
A system and method for reducing NOx emissions from a lean burn combustion source is provided. The system includes a blower passing air through a continuous duct having a hot portion and a...
US20130071311 AIR POLLUTION CONTROL SYSTEM AND AIR POLLUTION CONTROL METHOD  
An air pollution control system 10A includes a boiler 11 that burns fuel, an air heater 13 that recovers heat of flue gas 17 from the boiler 11, and a desulfurizer 15 that reduces sulfur oxides...
US20110268637 AIR POLLUTION CONTROL SYSTEM AND AIR POLLUTION CONTROL METHOD  
An air pollution control system 10A includes a boiler 11 that burns fuel, an air heater 13 that recovers heat of flue gas 17 from the boiler 11, and a desulfurizer 15 that reduces sulfur oxides...
US20130183219 METHODS FOR REDUCING NITROGEN OXIDES EMISSIONS  
A method to reduce the emission of contaminants such as nitrogen oxides from the operation of a submerged combustion vaporizer. Fuels are combusted and the combustion gases are fed to an aqueous...
US20130209340 METHOD AND APPARATUS FOR REDUCING THE QUANTITY OF POLLUTANT IN WASTE GASES  
A method and apparatus for reducing the quantity of pollutant in waste gases, in particular for reducing the quantity of nitrogen oxide in the flue gas of a coal-fired power plant is provided. The...
US20150139880 METHOD FOR REMOVING NITROGEN OXIDES FROM COMBUSTION FUMES WITH ON-SITE GENERATION OF AMMONIA  
A method for the control of nitrogen oxides content in the combustion fumes of a thermal power plant is disclosed; the method comprises the on-site production of ammonia by the steps of:...
US20140020365 Method for Removing Nitrogen Oxides from Combustion Fumes with On-Site Generation of Ammonia  
A method for the control of nitrogen oxides content in the combustion fumes of a thermal power plant is disclosed; the method comprises the on-site production of ammonia by the steps of:...
US20130108534 Method for Removing Nitrogen Oxides from Combustion Fumes with On-Site Generation of Ammonia  
A method for the control of nitrogen oxides content in the combustion fumes of a thermal power plant is disclosed; the method comprises the on-site production of ammonia by the steps of:...
US20140134089 APPARATUS AND METHOD FOR THE SELECTIVE NON-CATALYTIC REDUCTION (SNCR) OF NOX IN INDUSTRIAL CEMENT PRODUCTION PLANTS  
The present invention relates to an apparatus and a method for the selective non-catalytic reduction (SNCR) of NOx in industrial cement production plants. In particular, the method according to...
US20120189519 Flue-gas purification and reclamation system and method thereof  
A flue-gas purification system includes a flue-gas cycling system, a reactor, and an absorbent adding system having at least a catalytic absorbent, wherein the catalytic absorbent is being...
US20110318245 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...
US20100047638 Method and Device for Safe Storage and Use of Volatile Ammonia Storage Materials  
There is described a method and apparatus (100, 100′) for storing and delivering ammonia wherein at least two ammonia storage materials (1a, 2a) capable of reversibly adsorbing or absorbing...
US20150104365 Flue-Gas Purification and Reclamation System and Method Thereof  
A flue-gas purification system includes a flue-gas cycling system, a reacting means, and an absorbent adding system having at least a catalytic absorbent, wherein the catalytic absorbent is being...
US20080118423 Closed loop control of air/fuel ratio in a reformer for modulating diesel exhaust  
A reformer system comprising a hydrocarbon reformer; a fuel supply system; an air supply system; a hydrogen sensor disposed in a reformate exhaust stream from the reformer; and a reformer...
US20090148371 Two-Stage Quench Scrubber  
Contemplated configurations and methods for flue gas treatment comprise a quench section and a scrubbing section that are configured and operated to avoid net condensation of water from the...
US20110280779 REMOVAL OF AMMONIA NITROGEN, AMMONIUM NITROGEN AND UREA NITROGEN BY OXIDATION WITH HYPOCHLORITE-CONTAINING SOLUTIONS FROM EXHAUST AIR IN PLANTS FOR PRODUCING AMMONIA AND UREA  
Process for scrubbing out ammonia nitrogen and/or ammonium nitrogen and/or urea nitrogen from exhaust gases enriched with these nitrogen compounds in plants for producing ammonia or urea, wherein...
US20140165888 SIMULTANEOUS TREATMENT OF FLUE GAS WITH SOx ABSORBENT REAGENT AND NOx REDUCING AGENT  
A system and method for treating flue gas that results from a combustion process is described. The method and system includes injecting an SOx absorbent reagent into the flue gas pathway at a...
US20130230432 Method And Apparatus For Reducing NOx Emissions In The Incineration Of Tail Gas  
Methods for control of NOx emission in the incineration of tail gas are provided wherein tail gas that comprises NOx, NOx precursors, or both is introduced into a combustor and diluent is...
US20120017848 METHOD AND APPARATUS FOR VAPORIZING LIQUID CHLORINE CONTAINING NITROGEN TRICHLORIDE  
A method of safely vaporizing liquid chlorine containing high concentrations of nitrogen trichloride contaminant from a chloralkali plant. In a vertical plug-flow vaporizer having an upward flow...
US20150037274 METHODS OF FILTERING MULTIPLE CONTAMINANTS, MITIGATING CONTAMINANT FORMATION, AND RECYCLING GREENHOUSE GASES USING A HUMIC AND FULVIC REAGENT  
A highy alkalized humic and fulvic filter reagent for the removal of multiple contaminants from a gas is provided. The contaminants removed from the gas stream may include, but are not limited to,...
US20110262331 AIR POLLUTION CONTROL SYSTEM AND AIR POLLUTION CONTROL METHOD  
An air pollution control system 10A according to the present invention includes: a boiler 11 that burns fuel; NOx removal equipment 12 that decomposes nitrogen oxides in flue gas 25 discharged...
US20110206587 Method for the Separation of NOx from a Gas Stream Containing Epoxy  
A method is provided for separation of nitrogen oxides (NOx) from an epoxide-containing gas stream. The separation of nitrogen oxides (NOx) is performed by gas-liquid sorption and/or by gas-solid...
US20140140913 METHODS FOR REMOVING CONTAMINANTS FROM EXHAUST GASES  
A method for removing contaminants from a gas stream by feeding the gas stream into a scrubber that can use seawater as the scrubbing medium. The gas stream is first scrubbed with the seawater and...
US20120230898 CONTROL SYSTEM FOR NOX REMOVAL DEVICE, NOX REMOVAL DEVICE PROVIDED WITH THE SAME, BOILER PLANT PROVIDED WITH THE SAME, AND METHOD OF CONTROLLING NOX REMOVAL DEVICE  
A control system of a NOx removal device is provided with reagent introducing means for introducing a reagent into a fluid, a temperature measuring device that measures a temperature distribution...
US20120009105 Handling of Acids from Compressed Oxyfuel-Derived CO2  
Sulfur dioxide (SO2) is removed from a carbon dioxide feed gas by maintaining the feed gas at elevated pressure(s) in the presence of oxygen (O2), water and NOx for a period of time sufficient to...
US20130004395 PROCESSES AND APPARATUSES FOR OXIDIZING ELEMENTAL MERCURY IN FLUE GAS USING OXYCHLORINATION CATALYSTS  
Processes for decreasing elemental mercury in flue gas stream are provided. The processes include receiving the flue gas stream containing elemental mercury in an oxidation zone and maintaining...
US20120045379 METHOD FOR STORING AND DELIVERING AMMONIA FROM SOLID STORAGE MATERIALS USING A VACUUM PUMP  
In a method of storing and releasing gaseous ammonia from solid storage materials a first solid storage material (14) capable of releasing ammonia by desorption in a first container (10) and a...
US20140205524 Gas Component Extraction from Gas Mixture  
A process for extracting a target gas component from a gas mixture in an apparatus having a pair of capture and release sections is provided. The pair of capture and release sections includes a...
US20130034485 MERCURY REMOVING SYSTEM AND MERCURY REMOVING METHOD  
According to the present invention, a mercury removing system (A) includes a reaction gas supplier (20) that supplies reaction gas to treatment target gas; de-nitration equipment (2) that reduces...
US20120121491 ELECTROCHEMICAL FORMATION OF HYDROXIDE FOR ENHANCING CARBON DIOXIDE AND ACID GAS UPTAKE BY A SOLUTION  
A system for forming metal hydroxide from a metal carbonate utilizes a water electrolysis cell having an acid-producing anode and a hydroxyl-producing cathode immersed in a water solution of...
US20130089482 WATER RECOVERY AND ACID GAS CAPTURE FROM FLUE GAS  
Methods for removing acid gases and recovering water from flue gas. A flue gas is introduced into a water spray tower and is cooled by direct contact with a sprayed aqueous stream to condense a...
US20100040524 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...
US20090013718 METHOD FOR THE SIMULTANEOUS RECOVERY OF A PURE HELIUM AND PURE NITROGEN FRACTION  
A process for simultaneous recovery of a pure helium and a pure nitrogen fraction from a feed stream containing at least methane, nitrogen and helium, is disclosed. The feed stream is partially...
US20130216461 NITRIC ACID PRODUCTION  
A method for reducing the levels of nitrogen oxides in the tail gas from a nitric acid production process by adding ozone to the absorber column of the production process. Nitric acid formation is...
US20120009107 SORBENT USE WITH OXYFUEL SOUR COMPRESSION  
Sulfur dioxide (SO2) is removed from carbon dioxide feed gas comprising SO2 as a contaminant by maintaining the carbon dioxide feed gas at an elevated pressure in contact with an alkaline sorbent...
US20130004396 PROCESSES AND APPARATUSES FOR ELIMINATING ELEMENTAL MERCURY FROM FLUE GAS USING DEACON REACTION CATALYSTS AT LOW TEMPERATURES  
Processes for decreasing elemental mercury in flue gas stream are provided. The processes include receiving the flue gas stream containing elemental mercury in an oxidation zone and maintaining...
US20140050643 Flur-Gas purification and reclamation system and method thereof  
A flue-gas purification system includes a flue-gas cycling system, a reactor, and an absorbent adding system having at least a catalytic absorbent, wherein the catalytic absorbent is being...
US20150064086 ELECTRIC REAGENT LAUNCHER FOR REDUCTION OF NITROGEN  
A selective catalytic reduction system (SCR) or selective non-catalytic reduction (SNCR) system include a reagent charging apparatus configured to apply one or more electrical charges to a NOx...

Matches 1 - 50 out of 161 1 2 3 4 >