Entries |
Document | Title | Date |
20080317645 | Selective Reduction Catalyst and Engine Exhaust Gas Purifier Using the Same - The present invention aims to effectively prevent NOx from being emitted into the atmosphere even if the temperature of exhaust gas is relatively low. A selective reduction catalyst comprises a catalyst support | 12-25-2008 |
20090010814 | EFFLUENT GAS STREAM TREATMENT SYSTEM HAVING UTILITY FOR OXIDATION TREATMENT OF SEMICONDUCTOR MANUFACTURING EFFLUENT GASES - An effluent gas stream treatment system for treatment of gaseous effluents such as waste gases from semiconductor manufacturing operations. The effluent gas stream treatment system comprises a pre-oxidation treatment unit, which may for example comprise a scrubber, an oxidation unit such an electrothermal oxidizer, and a post-oxidation treatment unit, such as a wet or dry scrubber. The effluent gas stream treatment system of the invention may utilize an integrated oxidizer, quench and wet scrubber assembly, for abatement of hazardous or otherwise undesired components from the effluent gas stream. Gas or liquid shrouding of gas streams in the treatment system may be provided by high efficiency inlet structures. | 01-08-2009 |
20090047187 | EXHAUST GAS TREATMENT SYSTEM - An exhaust gas treatment system, which comprises: an arithmetic processing part wherein the type of gas, the flow rate and the supply time of a gas supplied to a gas-using facility are inputted as parameters, and the type of gas, the flow rate and the supply time of an additive gas is calculated based on these parameters; an additive gas supply part, which supplies an additive gas while controlling the type of gas, the flow rate and the supply time of the additive gas in accordance with indication signals sent from the arithmetic processing part; and a removal part wherein the additive gas is added to an exhaust gas exhausted from the gas-using facility, and a target compound included in the exhaust gas is removed by reacting the additive gas and the target compound included in the exhaust gas. | 02-19-2009 |
20090060801 | METHOD FOR PRODUCING NITROGEN TO USE IN UNDER BALANCED DRILLING, SECONDARY RECOVERY PRODUCTION OPERATIONS AND PIPELINE MAINTENANCE - The invention uses a feed of atmospheric air and mixes the air with hydrogen. The hydrogen and air mixture is fed into a catalytic reactor where a deoxygenation reaction occurs. The deoxygenation reaction uses a platinum catalyst to produce water from oxygen and hydrogen. The nitrogen passes through the catalytic reactor without reacting with the hydrogen, the oxygen, or the water. The water is separated from the nitrogen in a dryer. The nitrogen may then be used in drilling and production operations. The water is fed into an electrolyzer where an electrolysis reaction occurs. The electrolyzer passes an electrical current through the water to produce gaseous oxygen and hydrogen. The hydrogen is recycled back to the catalytic reactor and the oxygen may be vented or sold. | 03-05-2009 |
20090081087 | Exhaust gas purifier - It is intend to provide at low cost an exhaust gas purifier capable of in an internal combustion engine or other combustion instrument mainly driven under excess air conditions, efficiently removing nitrogen oxides from exhaust gas. A nitrogen oxide adsorbent ( | 03-26-2009 |
20090148355 | OXIDATION CATALYST APPARATUS FOR PURIFYING EXHAUST GAS - To provide an oxidation catalyst apparatus for purifying an exhaust gas which enables to oxidize and purify particulate matter in the exhaust gas of an internal combustion engine at a lower temperature. The oxidation catalyst apparatus | 06-11-2009 |
20090155131 | ETHYLENE OXIDE DECOMPOSITION PROCESSING METHOD AND DECOMPOSITION PROCESSING DEVICE THEREFOR - A decomposition processing method for ethylene oxide is provided for when concentration of the ethylene oxide to be decomposed in a gas varies. The method comprises steps of reducing the concentration of ethylene oxide in the gas to a predetermined concentration which is less than the highest concentration of the ethylene oxide in the range of the variation, adsorbing ethylene oxide to a photocatalyst which has ethylene oxide adsorbing ability, and decomposing ethylene oxide by action of one of the photocatalyst and a combination of the photocatalyst and plasma. The adsorbing step and decomposing step are conducted after the reducing step. | 06-18-2009 |
20090162255 | AIR PURIFICATION SYSTEM - An air purification system including a Particle Phase Pollutant (PPP) treatment section ( | 06-25-2009 |
20090246094 | WASTE GAS PURIFICATION APPARATUS - The present invention relates to a waste gas purification apparatus, which comprises: a heater, which heats waste gas mixed with reaction air to separate it into a solid reactant and a vapor purification gas; a first process unit, which has a water reserve tank communicated with the heater; a second process unit, which comprises a dust collector collecting the purification gas inflowed from the first process unit, and a water reserve tank communicated with lower portion of the dust collector; a third process unit, which comprises a scrubber inhaling the purification gas inflowed from the second process unit, and a reserve tank communicated with lower portion of the scrubber; and a collector, which has an adsorber and a remover filtering the purification gas inflowed from the third process unit, a water distributor being installed in upper portion of the remover and lower portion of the adsorber, and which has an outside discharger installed in upper portion thereof. | 10-01-2009 |
20090269253 | HYDROGEN SULFIDE PRODUCTION-SUPPRESSING MEMBER AND EXHAUST GAS-PURIFYING CATALYST - Disclosed herein is a hydrogen sulfide production-suppressing member, comprising: a sulfur-adsorbing portion | 10-29-2009 |
20100061899 | FILTERING MEDIUM FOR THE EXHAUST GAS FILTRATION DEVICE OF A DIESEL ENGINE, FILTRATION DEVICE IMPLEMENTING SUCH MEDIUM, AND EXHAUST GAS LINE OF AN INTERNAL COMBUSTION ENGINE IMPLEMENTING SUCH DEVICE - A filtration device comprises a plurality of filtering units including a filtering medium. The filtering units are separated from each other by a ceramic mat or cloth coated with a ceramic glue, in order to secure the units to each other while keeping them mechanically and thermally independent. The units are then inserted into a structure, particularly a metallic or ceramic structure, and are secured thereto by a holder, also made of a ceramic mat or cloth coated with a ceramic glue. | 03-11-2010 |
20100124519 | Particulate Filter and Method of Making - A particulate filter includes first and second honeycomb substrates. An outlet face of a first substrate is positioned against an inlet face of a second substrate such that channels extending longitudinally through the substrates are aligned to form continuous channels. A continuous skin is joined to each of the substrates to form a unified substrate. A portion of the continuous channels are selectively plugged to form a wall flow filter. | 05-20-2010 |
20100247394 | PROCESS FOR PROMOTING MERCURY RETENTION IN WET FLUE GAS DESULFURIZATION SYSTEMS - A system and method is proposed for removing mercury from a process gas stream containing mercury. The proposed invention provides for contacting an aqueous desulphurization liquor with a flue gas stream to capture mercury that may be contained in the flue gas stream. A promoter is mixed with the liquor to prevent oxidized mercury in the liquor from reducing into elemental mercury. | 09-30-2010 |
20100247395 | Gas purifying process and device - This gas purifying process removes trace constituents from a mixed gas that includes a rare gas and nitrogen as main components, and at least one from among hydrogen, nitrogen and hydrogen reaction products, and water vapor as the trace constituent. This process sequentially carries out an adsorbing step for removing water vapor and nitrogen and hydrogen reaction products; a hydrogen oxidation step for converting the hydrogen into water vapor by means of a hydrogen oxidation catalytic reaction in the presence of oxygen; and a drying step for removing water vapor generated in the hydrogen oxidation step. When nitrogen oxides are included as a trace constituent, then a denitration step is carried out prior to the adsorbing step, to convert nitrogen oxides into nitrogen and water vapor by means of a catalytic denitration reaction in the presence of a reducing substance. | 09-30-2010 |
20100303676 | APPARATUS FOR TREATING GAS - Apparatus for treating gas comprises a casing ( | 12-02-2010 |
20110020188 | IGCC WITH CONSTANT PRESSURE SULFUR REMOVAL SYSTEM FOR CARBON CAPTURE WITH CO2 SELECTIVE MEMBRANES - An integrated gasification combined cycle (IGCC) system involving CO | 01-27-2011 |
20110052452 | NOx REDUCTION DEVICE FOR DIESEL VEHICLES - A NOx reduction device for diesel vehicles includes an Lean NOx Trap (LNT) serving as a NOx filter, a Diesel Particulate Filter (DPF) located downstream of the LNT, and a Hydrocarbon-Selective Catalyst Reduction (HC-SCR) catalyst provided on the LNT. The HC-SCR catalyst can remove NOx in the regeneration of the DPF even if an additional post injector is not provided to promote an active reaction of the HC-SCR catalyst. | 03-03-2011 |
20110200491 | COMBUSTION SYSTEMS AND POWER PLANTS INCORPORATING PARALLEL CARBON DIOXIDE CAPTURE AND SWEEP-BASED MEMBRANE SEPARATION UNITS TO REMOVE CARBON DIOXIDE FROM COMBUSTION GASES - Disclosed herein are combustion systems and power plants that incorporate sweep-based membrane separation units to remove carbon dioxide from combustion gases. In its most basic embodiment, the invention is a combustion system that includes three discrete units: a combustion unit, a carbon dioxide capture unit, and a sweep-based membrane separation unit. In a preferred embodiment, the invention is a power plant including a combustion unit, a power generation system, a carbon dioxide capture unit, and a sweep-based membrane separation unit. In both of these embodiments, the carbon dioxide capture unit and the sweep-based membrane separation unit are configured to be operated in parallel, by which we mean that each unit is adapted to receive exhaust gases from the combustion unit without such gases first passing through the other unit. | 08-18-2011 |
20110223071 | APPARATUS FOR PURIFYING AND NEUTRALIZING TOXIC GASES - The present invention relates to an apparatus for effectively purifying and neutralizing toxic gases such as odors, fumes or various volatile organic compounds generated by research laboratories, chemical processing factories or hospitals where medicinal products are handled. The apparatus according to the present invention comprises: a main body having an intake, an exhaust and a control panel; a pre-filter, a first filter, first and second neutralizing pellet beds, and a second filter which are mounted in the apparatus main body and are placed from the intake to the exhaust in that order; and a blower and a driving device placed between the first and second neutralizing pellet beds. The apparatus effectively purifies and neutralizes toxic gases and collects fine particles or dust. Thus, the apparatus helps to maintain health of researchers, people who perform experiments, workers in chemical factories, or medical workers, since the filter and neutralizing pellet bed are configured in a cartridge form, the apparatus is low-maintenance. Also, additional connection of other facilities or pipes is not required. Therefore, the apparatus has high usability due to the independent compact form and function thereof, and can be driven with less noise. | 09-15-2011 |
20110268618 | HYBRID CARBON DIOXIDE SEPARATION PROCESS AND SYSTEM - The present application relates to separation processes and systems and more specifically to hybrid carbon dioxide separation processes. In one embodiment, the system for the separation or removal of carbon dioxide comprises an apparatus for a selective separation of carbon dioxide (CO | 11-03-2011 |
20120009091 | CATALYST FOR DIESEL PARTICLE FILTER, PREPARATION METHOD OF THE SAME, AND SOOT REDUCTION DEVICE OF DIESEL ENGINE INCLUDING THE SAME - A catalyst for diesel particle filter includes a platinum (Pt)-neodymium (Nd) alloy that is carried in silica, a preparation method thereof and a soot reduction device for diesel engine including the same, wherein the catalyst for diesel particle filter can maintain high catalyst activity and implement high nitrogen monoxide (NO) conversion efficiency even though it is used under the high temperature or vulcanization condition for a long time. | 01-12-2012 |
20120020843 | VANADIUM-FREE DIESEL OXIDATION CATALYST AND METHOD FOR ITS PRODUCTION - The invention relates to a method for producing a catalytic composition, wherein the catalytic composition has a high activity and selectivity with regard to the oxidation of CO and a reduced activity with regard to the oxidation of NO. The invention also relates to the catalyst produced using the method according to the invention. Finally, the invention is directed towards an exhaust-gas cleaning system which comprises the catalyst according to the invention. | 01-26-2012 |
20120093695 | HONEYCOMB STRUCTURE AND EXHAUST GAS PURIFYING APPARATUS - A honeycomb structure includes a porous silicon carbide honeycomb fired body and a silicon-containing oxide layer. The porous silicon carbide honeycomb fired body has at least one cell wall defining a plurality of cells extending along a longitudinal direction of the silicon carbide honeycomb fired body. The plurality of cells is provided in parallel with one another. The silicon carbide honeycomb fired body contains silicon carbide particles. The silicon-containing oxide layer is provided on a surface of each of the silicon carbide particles. The silicon-containing oxide layer has a thickness of from about 5 nm to about 100 nm measured with an X-ray photoelectron spectroscopy. | 04-19-2012 |
20120121475 | Fluid Injector - The invention provides a fluid injector assembly for the injection of a fluid including an injector body having distal and proximal ends, a fluid inlet disposed towards the proximal end, a fluid outlet disposed towards the distal end, and a fluid pathway extending therebetween the inlet and the outlet. An injector needle is rotatably disposed at least partially in the injector body and is moveable between an open and closed position. The proximal end of the injector needle has a tip that is configured to sealably close the fluid outlet. The fluid injector assembly includes a first threaded region that cooperates with a corresponding threaded region on the needle, and first and second cooperating coupling members that are arranged axially of the injector needle. The first coupling member is attached to a motor, and the second coupling member is attached to a distal end of the injector needle. The motor is configured to rotate the injector needle within the injector body which causes the threaded region of the needle to be driven in the first threaded region of the fluid injector assembly to thereby move the injector needle along a longitudinal axis of the fluid injector assembly between the open and closed positions. | 05-17-2012 |
20120183446 | SUSPENSION SOLUTION FILTER SIEVE BASKET FOR USE IN FLUE GAS DESULPHURIZATION - A suspension solution filter sieve basket for use in a flue gas desulfurization includes holes which widen in a flow direction of a suspension solution. | 07-19-2012 |
20120315195 | Exhaust Flow Distribution Device - The present disclosure relates to an diesel exhaust treatment device including a main body having a central longitudinal axis that extends between first and second ends of the main body. A catalyzed substrate is positioned within an interior of the main body. A side inlet is positioned at a side of the main body for directing exhaust gas into the interior of the main body. A flow distribution element is positioned within the interior of the main body at a location between the side inlet and an upstream face of the substrate. The flow distribution element extends across a direction of exhaust flow through the main body and is mounted at a side of the main body that is opposite the side inlet. | 12-13-2012 |
20120328479 | EXHAUST EMISSION CONTROL DEVICE - Arranged are a selective reduction catalyst for reacting NO | 12-27-2012 |
20130022511 | EXHAUST PURIFYING CATALYST - PROBLEM TO BE SOLVED: | 01-24-2013 |
20130095002 | EXHAUST GAS PURIFYING FILTER, SYSTEM OF REGENERATING GASOLINE PARTICULATE FILTER, AND METHOD THEREOF - An exhaust gas purifying filter, a system for regenerating a particulate filter, and a method therefore are disclosed. An exhaust gas purifying filter may include: an ammonia storage catalyst unit adapted to absorb ammonia contained in the exhaust gas when a temperature of the ammonia storage catalyst unit is lower than a predetermined temperature, release the absorbed ammonia when the temperature of the ammonia storage catalyst unit is higher than or equal to the predetermined temperature, and generate nitrogen oxide from the released ammonia; and a particulate filter adapted to trap particulate matter contained in the exhaust gas and regenerate the trapped particulate matter by using the nitrogen oxide generated from the ammonia storage catalyst unit. | 04-18-2013 |
20130101473 | METHOD FOR REMOVAL OF HYDROGEN SULFIDE FROM GEOTHERMAL STEAM AND CONDENSATE - A method for scavenging hydrogen sulfide from geothermal steam in a condenser under vacuum. A fine curtain of atomized acrolein-water droplets may be sprayed into geothermal steam condensers in an amount of approximately 2:1 molar ratio of acrolein to H | 04-25-2013 |
20130129574 | CATALYTIC FILTER FOR FILTERING A GAS, COMPRISING A JOINT CEMENT INCORPORATING A GEOPOLYMER MATERIAL - The invention relates to a filter structure, for filtering particulate-laden gases, comprising a plurality of honeycomb filtering elements, said structure being obtained by assembling said elements, which are joined together by means of a joint cement, said joint cement being an essentially inorganic, preferably mineral, composite comprising at least:
| 05-23-2013 |
20130149203 | ENERGY RECYCLING TYPE DUST REMOVING PROCESSING SYSTEM FOR REMOVING CONTAIMINATED MATERIAL IN HIGH TEMPERATURE CONTAMINATED GAS AND INERTIAL IMPACT TYPE ENERGY RECOVERING AND DUST REMOVING APPARATUS - An energy recycling type dust removing processing system for removing a contaminated material in high temperature contaminated gas and an inertial impact type energy recovery and dust removal apparatus. The energy recycling type dust removing processing system includes: a duct collecting a high temperature contaminated gas including high temperature dust; an energy recovery and inertial impact type dust removal unit recovering energy of the high temperature contaminated gas to convert the high temperature contaminated gas into a middle temperature contaminated gas and removing coarse dust from the high temperature dust through an inertial impact phenomenon; an in-flight adsorption apparatus removing fine dust from the contaminated gas in which the coarse dust is removed; and a micro dust removal apparatus removing micro dust in the contaminated air from which the fine dust is removed by the in-flight adsorption apparatus. | 06-13-2013 |
20130149204 | EXHAUST GAS TREATMENT SYSTEM WITH CO2 REMOVAL EQUIPMENT - An object of the present invention is to provide a CO | 06-13-2013 |
20130164181 | REDUCING AGENT AQUEOUS SOLUTION MIXING DEVICE AND EXHAUST GAS POST-TREATMENT DEVICE - A reducing agent aqueous solution mixing device includes an exhaust pipe, an injector, an inner pipe and a tubular guide member. The exhaust pipe includes an elbow part having a curved portion, and a linear part disposed on a downstream side of the elbow part. The injector is disposed outside the curved portion and injects only a reducing agent aqueous solution into the elbow part towards the linear part. The inner pipe is disposed on an exhaust stream downstream side of the injector within the exhaust pipe with an inlet portion opening thereof facing the injector and an outer peripheral surface thereof being spaced apart from the inner wail of the linear art. The inner pipe allows the exhaust as to flow through the inside thereof and the outer periphery thereof. A tubular guide member directs the reducing agent aqueous solution injected from the injector to the inner pipe. | 06-27-2013 |
20130164182 | REDUCING AGENT AQUEOUS SOLUTION MIXING DEVICE AND EXHAUST GAS POST-TREATMENT DEVICE - A reducing agent aqueous solution mixing device includes an exhaust pipe, an injector, a mixing pipe and an inner pipe. The exhaust pipe includes an elbow part having a curved portion, and a linear part disposed on the downstream side of the elbow part. The injector is disposed outside the curved portion and injects the reducing agent aqueous solution towards the linear part. The mixing pipe is disposed inside the elbow part to enclose a surrounding of the reducing agent aqueous solution injected from the injector, and includes a plurality of openings on an outer peripheral surface thereof. The inner pipe is disposed on the downstream side of the mixing pipe and spaced apart from an outlet portion of the mixing pipe and from an inner wall of the linear part, and allows the exhaust gas to flow through the inside thereof and the outer periphery thereof. | 06-27-2013 |
20130189163 | REABSORBER FOR AMMONIA STRIPPER OFFGAS - A method for removal of CO2 from a flue gas stream, comprising the steps of: a) contacting a flue gas stream comprising CO2 with a first absorption liquid comprising NH3 such that the flue gas stream is depleted in CO2; b) contacting the flue gas stream depleted in CO2 of step a) with a second absorption liquid such that NH3 from the flue gas stream is absorbed in said second absorption liquid to form a flue gas stream depleted in CO2 and NH3; c) separating NH3 from the second absorption liquid such that a gas stream comprising NH3 is obtained; d) contacting said gas stream comprising NH3 separated in step c) with a third absorption liquid such that NH3 is absorbed in said third absorption liquid. A system for removal of CO2 from a flue gas stream, the system comprising: a CO2 absorption stage; an NH3 absorption stage; and a reabsorption stage. | 07-25-2013 |
20130209319 | EXHAUST-GAS AFTERTREATMENT SYSTEM - An exhaust post-treatment device is designed in a layered fashion and comprises an exhaust cleaning arrangement lying between a supply chamber and a transition chamber with soot filters lying at both sides of a denitrification-catalytic converter unit, with the transition chamber comprising a mixing chamber open towards the denitrification-catalytic converter unit, in which starting at the soot filters via separate guide channels, the exhaust is injected in the opposite direction of flow and which mixing chamber is limited by guide panels, which form walls of the guide channels extending encompassing along the housing towards the mixing chamber. | 08-15-2013 |
20130216440 | DEVICE FOR TREATING EXHAUST GAS CONTAINING SOOT PARTICLES - A device for treating exhaust gas containing soot particles includes at least one ionization element for ionizing soot particles, at least one filter element having at least one section to which an electrical potential can be applied, and at least one flow-directing device. The flow-directing device can influence a flow of the exhaust gases in such a way that the soot particles can be prevented from being deposited on at least one electric insulation of the ionization element or of the filter element or can be removed therefrom. Soot particles are therefore effectively prevented from being deposited on electric insulation of exhaust gas cleaning components, thereby preventing short-circuits from being produced and permitting exhaust gas systems to be safely operated. | 08-22-2013 |
20130251599 | DEVICE AND METHOD FOR PROCESSING CEMENT KILN COMBUSTION EXHAUST GAS - A combustion exhaust gas processing device comprises: a dust collector collecting dust in a cement kiln combustion exhaust gas; a wet dust collector as a catalyst-poisoning-substance stripper removing a catalyst-poisoning substance from a combustion exhaust gas which passed the dust collector, preheaters heating beforehand a combustion exhaust gas which passed the wet dust collector; and a catalyst device from which NOx, a persistent organic pollutant, etc. in the preheated combustion exhaust gas, are removed. A titanium-vanadium catalyst etc. as an oxide catalyst is used upstream of the catalyst device, and a platinum catalyst etc. as a noble-metal catalyst downstream of the catalyst device. The temperature of the combustion exhaust gas after the catalyst-poisoning substance is removed is increased up to 140° C. or more with the preheaters to prevent decline in denitration efficiency of and the decomposition efficiency of a volatile organic compound. | 09-26-2013 |
20130259759 | CONFIGURATION HAVING TWO INTERCONNECTED EXHAUST GAS TREATMENT DEVICES - A configuration includes two exhaust gas treatment devices disposed in succession in an exhaust gas line. A first exhaust gas treatment device has a first subregion connected through at least one support body to a second subregion of a second exhaust gas treatment device. The support body has opposite ends connected by connections points to respective subregions. At least the second subregion is formed by metallic components that contact one another to form contact surfaces and at most 20% of the area of the contact surfaces have brazed or solder connections and/or diffusion connections. | 10-03-2013 |
20130287637 | COAXIAL / COAXIAL TREATMENT MODULE - A treatment module for use in an abatement system for process exhaust gases. The treatment module has a centrally located flame wall oxidizer module that cause the process exhaust gases to travel within a cylinder of gas a short distance upon exiting the exhaust conduit before the gases are oxidized. Following oxidation, two coaxial cylinders of water spray flush solid, liquid and water soluble components of the oxidation products from the resulting oxidation products stream into a bottom water reservoir. The first inner water spray cylinder coaxially surrounds the flame wall oxidizer module and flows co-currently with the downward flow of oxidation products. The gaseous oxidation products then turn 180 degrees and pass upward through a second outer water spray cylinder located coaxial to and surrounding the first water spray. Thereafter, the remaining water insoluble gaseous oxidation products exit the treatment module. | 10-31-2013 |
20130287638 | EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE - This exhaust gas purification device for an internal combustion engine is provided with a particulate filter disposed in an engine exhaust system, and a catalytic device disposed downstream of the particulate filter in the engine exhaust system. The catalytic device holds sulfuric acid as a sulfate and releases the product as SO | 10-31-2013 |
20130287639 | EXHAUST GAS TREATMENT APPARATUS - An object of the present invention is to easily reduce dust having large particle diameter that affects blocking and abrasion to prevent deposition thereof in a reactor. An exhaust gas NOx removal apparatus comprises a NOx removal rector having a catalyst layer for removing nitrogen oxides in a combustion exhaust gas; a duct structure having a stab-up point at which a flow of the exhaust gas changes from a horizontal direction to a vertical direction in an exhaust gas duct on the upstream side of the NOx removal reactor; a tilt thin plate slit in which a number of thin plates are disposed in the duct of the horizontal direction of an inlet of the stub-up point or/and in an inlet of the catalyst layer in the NOx removal reactor in a vertical direction with a slit width smaller than an opening width of the catalyst layer at a predetermined inclination angle relative to the cross-section of an exhaust gas flow path; and a dust collecting/discharging portion attached to the lower end of a tilt thin plate slit. | 10-31-2013 |
20130323130 | EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE - An exhaust purification system in which when an air-fuel ratio of exhaust gas is leaner than a stoichiometric air-fuel ratio, a silver-alumina-based catalyst device releases adsorbed NO | 12-05-2013 |
20140072483 | DESULFURIZATION DEVICE AND PARTICULATE COLLECTION SYSTEM - A desulfurization apparatus includes: a desulfurization section ( | 03-13-2014 |
20140086802 | EXHAUST GAS-TREATING DEVICE - An exhaust gas-treating device ( | 03-27-2014 |
20140120002 | ARRANGEMENT OF A FLUE GAS TREATMENT SYSTEM AND A COMBUSTION DEVICE - An arrangement of a flue gas treatment system and a combustion device includes a recirculation line to supply at least a part of the flue gas from the combustion device back to the combustion device, a selective catalytic reduction unit (SCR), a gas processing unit (GPU) to separate CO | 05-01-2014 |
20140134061 | Urea Decomposition And Improved Scr Nox Reduction On Industrial And Small Utility Boilers - A lean burn combustion source includes a first side stream comprising an inlet and an outlet, both positioned downstream of a furnace and upstream of a particulate control device, and a second side stream comprising: an inlet positioned downstream of the particulate control device and upstream of the catalyst, a heat exchanger section passing through the first side stream, whereby heat from hot exhaust gas flowing through the first side stream is transferred to hot exhaust gas flowing through the second side stream, an injector positioned in the second side stream injecting aqueous based reagent into the hot exhaust gas flowing through the second side stream such that the aqueous based reagent decomposes to ammonia gas, and an outlet in fluid communication with a reagent distribution device positioned in the primary exhaust gas stream downstream of the particulate control device and upstream of the catalyst. | 05-15-2014 |
20140178261 | Exhaust Gas Aftertreatment Device for a Combustion Engine - An exhaust gas aftertreatment device for a combustion engine includes an exhaust gas guide element that includes a dosage device for introducing a reduction agent into the guide element at a feed point and at least one interference element arranged upstream of the feed point, that introduces turbulences into the exhaust gas flow that is intermixed with the reduction agent. The guide element also includes a first guide portion, through which exhaust gas flows in a first flow direction, and a second guide portion, through which exhaust gas flows in a second flow direction that is opposite to the first flow direction. The first and second guide portions are fluidically connected with each other via a third guide portion, which redirects the exhaust gas from the first flow direction into the second flow direction. The feed point and the interference element are arranged in the third guide portion. | 06-26-2014 |
20140271385 | Catalytic Reduction of NOx - A system for NO | 09-18-2014 |
20140308173 | SYSTEMS AND METHODS FOR REDUCING OFF-GASSED OZONE - Systems and methods for producing an ozone destructor are disclosed herein. Generally, these systems and methods include an ozone destructor that has a housing defining an air passage duct. In some cases, this air passage duct includes a first chamber and a second chamber that are arranged so that air is able to flow into the first chamber, through the second chamber, and out of the destructor. In some cases, an air drying mechanism is disposed in the first and/or the second chamber. Additionally, in some cases, the ozone destructor further includes multiple mechanisms that reduce ozone to oxygen. In light of these features, the ozone destructor is capable of incrementally drying and reducing air and ozone, respectively, as they pass through the first chamber and the second chamber. | 10-16-2014 |
20150017073 | EXHAUST GAS CLEANING DEVICE - The invention relates to an exhaust gas cleaning device ( | 01-15-2015 |
20150023844 | SILOXANE FILTER IN AN EXHAUST AFTERTREATMENT SYSTEM - An exhaust aftertreatment system for an engine is provided. The exhaust aftertreatment system includes an exhaust duct, at least one of a diesel particulate filter and a diesel oxidation catalyst, a selective catalytic reduction (SCR) catalyst, and at least one siloxane filter. The at least one siloxane filter is positioned upstream of the exhaust aftertreatment system. The at least one siloxane filter is configured to filter siloxanes from exhaust gases and is structured to create a uniform distribution of siloxanes throughout the at least one siloxane filter. | 01-22-2015 |
20150071827 | Emissions Cleaning Module for an Engine - The disclosure provides an emissions cleaning module for cleaning emissions output from an internal combustion engine. The emissions cleaning module may include a first conduit, a second conduit, a third conduit, a first end coupling and a second end coupling which together provide a continuous fluid path. The first, second and third conduits may be supported at one end by a first support member and at an opposite end by a second support member. The first, second and third conduits may be mutually parallel. The support members, conduits and couplings may be arranged with relative substantial translational movement thereof restricted. | 03-12-2015 |
20150086434 | Exhaust Gas Purification Palladium Monolayer Catalyst for Saddle-Riding-Type Vehicle - Provided is a novel palladium catalyst capable of efficiently purifying carbon monoxide (CO) and total hydrocarbons (THC) under a fuel-rich atmosphere even when palladium (Pd) is used as a catalyst active component. Proposed is a palladium monolayer catalyst for an exhaust gas from a saddle-riding-type vehicle, which is an exhaust gas purification catalyst for a saddle-riding-type vehicle to be installed in an exhaust gas passage in an internal combustion engine. The palladium monolayer catalyst includes a substrate, and a catalyst layer that has the form of a monolayer and contains palladium acting as a catalyst active component, an inorganic porous body acting as a catalyst carrier, ceria (CeO | 03-26-2015 |
20150086435 | Wet Scrubber Apparatus For Ammonia Capture - A device for removing ammonia from a gas stream has a plurality of conduits that divide the gas steam into a plurality of separate gas streams. Spray nozzles located in each of said conduits spray a dilute acid solution into the streams. The acid solution is aqueous sulfuric acid and ammonium sulfate is produced. The conduits are substantially unobstructed enabling the device to create less than 10 Pa back pressure to the gas stream. | 03-26-2015 |
20150132192 | INTEGRATED EXHAUST TREATMENT DEVICE HAVING COMPACT CONFIGURATION - An exhaust treatment device is disclosed. The exhaust treatment device has a compact configuration that includes integrated reactant dosing, reactant mixing and contaminant removal/treatment. The mixing can be achieved at least in part by a swirl structure and contaminant removal can include NO | 05-14-2015 |
20150298061 | EXHAUST GAS PURIFICATION APPARATUS FOR AN INTERNAL COMBUSTION ENGINE - A decrease in an NOx removal or reduction rate at the time of filter regeneration is suppressed. To this end, provision is made for an NOx selective reduction catalyst, a filter arranged at the upstream side of the NOx selective reduction catalyst, an NH | 10-22-2015 |
20160121275 | FLOW DEVICE FOR AN EXHAUST SYSTEM - A flow device for an exhaust system includes a body that defines an interior cavity. An exhaust inlet passage is disposed in the interior cavity. An exhaust outlet passage is disposed in the interior cavity so that at least a portion of the exhaust inlet passage circumferentially surrounds at least a portion of the exhaust outlet passage. A doser is adapted to inject reductants into the interior cavity of the body such that the reductants are injected in the same general direction as the direction of flow of the exhaust gases. | 05-05-2016 |
20160184783 | METHOD, APPARATUS AND SYSTEM FOR AFTERTREATMENT OF EXHAUST GAS - An apparatus ( | 06-30-2016 |
20160194991 | EXHAUST AFTERTREATMENT SYSTEM WITH SILICA FILTER | 07-07-2016 |