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| Number | Title | Issue Date |
| 8137633 | Compositions and methods for treating exhaust gases The present invention provides compositions, systems, and methods for achieving high efficiencies of nitrogen oxide (NOx) removal from exhaust gases while minimizing ammonia slip and sulfur dioxide oxidation. In one embodiment, a method of removing nitrogen oxides f... | 03/20/2012 |
| 8101129 | Nano filter structure for breathing and manufacturing method thereof In a nano filter structure for breathing and a manufacturing method of the nano filter structure, a semiconductor process technology is used for manufacturing a nano filter structure comprising a top gate, a bottom gate, a plurality of sidewall gates and a plurality... | 01/24/2012 |
| 8071036 | Mercury reduction system A mercury reduction system includes an NH4Cl supplying unit that sprays an NH4Cl solution into a flue of the boiler, a reduction denitration apparatus that includes a denitration catalyst for reducing NOx in the flue gas with NH3 and... | 12/06/2011 |
| 8048381 | Apparatus and method for optimizing exhaust gas burn out in combustion plants In an apparatus and method for optimizing the exhaust gas burnout in combustion plants having a solid bed combustion zone and an exhaust gas burnout zone wherein oxygen-containing gas is injected into the exhaust gas flow in the burnout zone by way of a plurality of... | 11/01/2011 |
| 8038951 | Catalyst compositions Provided are catalyst composites comprising: a catalytic material on a carrier, the catalytic material comprising a precious metal selected from a palladium component and an oxygen storage component, the oxygen storage component being present in an amount of at leas... | 10/18/2011 |
| 8038952 | Surface treatments and coatings for flash atomization A flash atomizer comprising a channel substrate configured to generate a vapor and form a two-phase flow of a fluid; and an enhanced surface disposed on the channel substrate and configured to change a temperature and a pressure required to form the vapor, wherein t... | 10/18/2011 |
| 8012423 | Method and apparatus for protective atmosphere recycling A recycling apparatus for spent protective atmosphere gas contaminated with fouling organic decomposition byproduct materials. The recycling apparatus includes a compressor having an inlet connected to a spent protective atmosphere gas supply line, and a solvent sup... | 09/06/2011 |
| 7985379 | Reactor design to reduce particle deposition during process abatement The present invention relates to systems and methods for controlled combustion and decomposition of gaseous pollutants while reducing deposition of unwanted reaction products from within the treatment systems. The systems include a novel thermal reaction chamber des... | 07/26/2011 |
| 7927551 | Catalytic body and manufacturing method of the same There is disclosed a catalytic body with purifying efficiency and smaller pressure loss and its manufacturing method. Provided is a catalytic body wherein a porous honeycomb structure including partition walls defining a plurality of cells acting as fluid passages w... | 04/19/2011 |
| 7914746 | Method and apparatus for protective atmosphere recycling A recycling apparatus for spent protective atmosphere gas contaminated with fouling organic decomposition byproduct materials. The recycling apparatus includes a compressor having an inlet connected to a spent protective atmosphere gas supply line, and a solvent sup... | 03/29/2011 |
| 7892499 | Multi-compartment overfire air and N-agent injection method and system 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 nitrogen oxides and carbon monoxide; providing overfire air into a bur... | 02/22/2011 |
| 7833494 | Method and apparatus for the destruction of volatile organic compounds An apparatus for destruction of volatile organic compounds (VOCs) includes an assembly 10 for collecting VOCs from at least one source of VOCs and an assembly 12 for thermodynamically destroying collected VOCs. The apparatus also includes an assembly f... | 11/16/2010 |
| 7829033 | Selective catalytic reduction of NOenabled by sidestream urea decomposition A preferred apparatus arrangement utilizes the enthalpy of the flue gas, which can be supplemented if need be, to convert urea (30) into ammonia for SCR. Urea (30), which decomposes at temperatures above 140 ° C., is injected (32) into a flue g... | 11/09/2010 |
| 7785543 | Method of processing alkali-activation exhaust gas Disclosed is an apparatus for processing an exhaust gas containing an alkaline substance, the exhaust gas being emitted when activating a carbon material with an alkaline substance. The apparatus includes a humidified-gas preparing device for preparing a humidified ... | 08/31/2010 |
| 7776279 | Combustion apparatus to reduce flue gas NOx by injection of n-agent droplets and gas in overfire air A combustion apparatus for combusting including: a boiler defining an enclosed flue gas path having a combustion zone and a burnout zone, wherein flue gas is formed in the combustion zone and the combustion flue gas comprising nitrogen oxides; a fuel injector aligne... | 08/17/2010 |
| 7758818 | Scrubber for processing semiconductor waste gas Disclosed is a scrubber for processing semiconductor waste gas produced in a semiconductor fabricating process, wherein the scrubber burns the waste gas with a flame of a high temperature, filters and captures particles produced after the waste gas is burnt, and dis... | 07/20/2010 |
| 7736599 | Reactor design to reduce particle deposition during process abatement The present invention relates to systems and methods for controlled combustion and decomposition of gaseous pollutants while reducing deposition of unwanted reaction products from within the treatment systems. The systems include a novel thermal reaction chamber des... | 06/15/2010 |
| 7731913 | Carbon dioxide flue gas sequestering mechanism The present invention incorporates new and useful improvements in the carbon dioxide sequestering mechanism. The ejector systems are rearranged in a manner that lowers the frictional effects of the resultant flow pattern after the flue gas and ejector spray have imp... | 06/08/2010 |
| 7722827 | Catalytic flow-through fast light off ceramic substrate and method of manufacture A fast light off flow-through ceramic substrate is provided that is particularly adapted for use as a catalytic converter. The substrate is formed from a body of ceramic material having axially opposing inlet and outlet ends for receiving and expelling the flow of a... | 05/25/2010 |
| 7722826 | Disposal device for pollutants The invention relates to inlet elements at disposal devices for process exhaust gases containing pollutants, as are produced in particular in semiconductor component fabrication. The solution is intended to make it possible to avoid deposits in the inlet region for ... | 05/25/2010 |
| 7718141 | Automatic VOC concentration control apparatus and image forming apparatus having the same An automatic VOC concentration control apparatus is capable of adjusting the concentration of VOC in a catalytic device under a predetermined value. The automatic VOC concentration control apparatus includes a housing having an inlet port and an outlet port for intr... | 05/18/2010 |
| 7718142 | System and process for treating sulfur An apparatus configured for treating sulfur at an elevated pressure. Embodiments of the apparatus comprises a vessel into which the sulfur is injected and a device for alleviating the pressure of the sulfur. ... | 05/18/2010 |
| 7708953 | Apparatus and system for ensuring proper assembly of an exhaust system An apparatus and system are disclosed for ensuring proper assembly of an exhaust system. Ensuring proper assembly of an exhaust system is accomplished by providing an inflow exhaust subassembly for receiving engine exhaust, at least one intermediate subassembly that... | 05/04/2010 |
| 7691338 | Two stage catalytic combustor A catalytic combustor (14) includes a first catalytic stage (30), a second catalytic stage (40), and an oxidation completion stage (49). The first catalytic stage receives an oxidizer (e.g., 20) and a fuel (26) and discharge... | 04/06/2010 |
| 7648682 | Wick systems for complexed gas technology The invention relates to an improvement in apparatus and process for effecting storage and delivery of a gas. The storage and delivery apparatus is comprised of a storage and dispensing vessel containing a medium capable of storing a gas and permitting delivery of t... | 01/19/2010 |
| 7635455 | Flue gas purification device having an improved oxidation device in the scrubbing liquid sump A flue gas purification device comprising a receptacle, which has a scrubbing liquid sump comprising an oxidation device for introducing oxygen, wherein the introduction of oxygen is realized by at least one plate aerator. ... | 12/22/2009 |
| 7618595 | Assembly for purifying toxic gases from production processes An assembly is provided for purifying toxic gases from production processes by thermal conversion in a reactor chamber and subsequent treatment of reaction products with a sorption agent in a washing device in order to bind water-soluble reaction products and to elu... | 11/17/2009 |
| 7608226 | Exhaust stream treatment A method comprises injecting a reductant stream comprising a hydrocarbon reductant and water into an exhaust chamber comprising a nitrogen oxide-containing exhaust stream; contacting a composition comprising the reductant stream and exhaust stream with a catalyst; a... | 10/27/2009 |
| 7601306 | Diesel engine particulate filter A diesel engine particulate filter (DPF) comprising a case cylinder with a filter space formed by the inner retention cylinder and outer retention cylinder which traverse the radial symmetry of the case cylinder. In filter space, the low temperature exothermic catal... | 10/13/2009 |
| 7572414 | Modular system and method for the catalytic treatment of a gas stream A system for catalytically treating a gas stream includes a gas phase reactor containing a catalyst for the treatment of the gas stream in at least one catalyst bed having an upstream end and a downstream end, an axial fan positioned upstream of the at least one cat... | 08/11/2009 |
| 7569193 | Apparatus and method for controlled combustion of gaseous pollutants The present invention relates to systems and methods for controlled combustion of gaseous pollutants while reducing and removing deposition of unwanted reaction products from within the treatment systems. The systems employ a two-stage thermal reactor having an uppe... | 08/04/2009 |
| 7521025 | Honeycomb structural body An object of the present invention is to provide a honeycomb structural body for use in a filter, which can be provided with a large amount of catalyst, can suppress an increase in pressure loss upon collecting particulates, can have a high particulate collecting ca... | 04/21/2009 |
| 7476364 | Thermal regenerative granular-moving bed apparatus A thermal regenerative granular-moving bed apparatus for a gas de-pollutant process includes a plurality of recycling granular material, a heat-and-clean unit, a heat-recycling unit, and a granular material-cleaning unit. The heat-and-clean unit heats the granular m... | 01/13/2009 |
| 7462330 | Exhaust gas treatment apparatus A liquid column type exhaust gas treatment apparatus comprising a spray header (2) for injecting an absorbing solution upward in an absorption tower (1), wherein exhaust gas introduced from a lower part of the absorption tower (1) and the absorb... | 12/09/2008 |
| 7438876 | Multi-stage heat absorbing reactor and process for SCR of NOx and for oxidation of elemental mercury A selective catalytic reduction apparatus has at least first and last catalyst layers in series for reducing nitrogen oxides in a flue gas, at least one interstage heat exchanger located after the first layer and before the last layer, that lowers flue gas temperatu... | 10/21/2008 |
| 7438869 | Emission control system The invention relates to an emission control system for removing environmentally harmful and/or toxic gases or vapors, comprising a reaction chamber which is connected to a plasma source, whereby plasma is formed in said reaction chamber by injecting excitation ener... | 10/21/2008 |
| 7438864 | Purifier In a system having a component 106 which is capable of reacting with a gaseous contaminant in a gas stream, a purifier assembly 102 is positionable in the gas stream and comprises a purifier medium 112 that reacts with the gaseous contaminant in... | 10/21/2008 |
| 7438879 | Purification device for flue gas with divided scrubbing liquid sump A device provides the purification of flue gas comprising a scrubbing liquid sump divided into several basins and a pump device, which pumps the scrubbing liquid from at least one basin of the scrubbing liquid sump to scrubbing liquid nozzles. ... | 10/21/2008 |
| 7435275 | System and method of heating an exhaust treatment device In one embodiment, a method of heating an exhaust treatment device can comprise: generating reformate in a reformer, wherein the reformate comprises hydrogen; introducing oxygen to the reformate prior to combining the reformate with another stream; combusting a port... | 10/14/2008 |
| 7435394 | Treatment method for decomposing perfluorocompound, decomposing catalyst and treatment apparatus An object of the present invention is to improve the decomposition at low temperatures of perfluorocompounds containing only fluorine as a halogen, such as CF4, C2F6 and the like. In the present invention, a perfluorocompound contain... | 10/14/2008 |
