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8166750 |
Exhaust system
An exhaust gas system for purifying exhaust gases of an internal combustion engine, particularly a diesel engine in a motor vehicle, conducts the exhaust gas in a specific flow direction. A...
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8141351 |
Pre-catalyst for preventing face-plugging on an inlet face of an aftertreatment device and method of the same
A pre-catalyst device configured to be disposed upstream of a main aftertreatment device of an engine exhaust system. An oxidizing material is disposed on an inlet face of the pre-catalyst device,...
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8142744 |
Integrated boiler and air pollution control systems
An air pollution control system includes an emission treatment system configured to receive flue gas, to reduce at least one pollutant therefrom, and to output emission treated flue gas. A first...
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8124017 |
Systems and methods for high efficiency regenerative selective catalytic reduction
The invention provides a system for regenerative selective catalytic reduction including a catalyst chamber that contains a catalyst for reducing NOX in a gas stream passing therethrough. The...
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8101146 |
Catalysts for the reduction of ammonia emission from rich-burn exhaust
A system for reducing ammonia (NH3) emissions includes (a) a first component comprising a first substrate containing a three-way catalyst, wherein the first component is disposed upstream of a...
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8097055 |
System for treating exhaust gas
A system for treating exhaust gas from an engine is disclosed. The system may include a housing with a first longitudinal axis, an inlet port, and an outlet port. The housing may define a first...
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8092563 |
System for treating exhaust gas
A system for treating exhaust gas from an engine is disclosed. The system may include a housing having an inlet port and an outlet port and defining a flow path therebetween. A fluid treatment...
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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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8083839 |
Radiant zone heated particulate filter
A system includes a particulate matter (PM) filter including an upstream end for receiving exhaust gas and a downstream end. A radiant zoned heater includes N zones, where N is an integer greater...
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8083822 |
System for treating exhaust gas
A system for treating exhaust gas from an engine is disclosed. The system may include a housing, a fluid treatment element, and a conduit. The housing has an inlet and an outlet port and defines a...
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8080226 |
Methods and sytems for the destruction of perfluorinated compounds
Methods and systems for the destruction of one or more PFCs in a gas stream are provided. The gas stream can come from semiconductor processing, for example. The PFCs in the gas stream are reacted...
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8076464 |
Methods for carbon isotope labeling synthesis of ketones and amines by Suzuki coupling reactions using carbon-isotope monoxide
Methods and reagents for synthesizing carbon-isotope labeled ketones and amines by carbonylation via Suzuki coupling reaction using carbon-isotope labeled carbon monoxide are provided. The...
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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...
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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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8048392 |
Method for the cleaning of off-gas
The present invention relates to a method for cleaning off-gas comprising the following steps: 1. Sulphur dioxide is separated from the off-gas by way of at least one first scrubber stage (c) by...
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8043572 |
Rolling regeneration diesel particulate trap
A rolling regeneration diesel particulate filter and filtering process that utilizes NO produced in the process to generate additional amounts of NO2 than the NO2 produced by the diesel engine. The...
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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...
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8029582 |
Wireless zoned particulate matter filter regeneration control system
An assembly includes a particulate matter (PM) filter that comprises an upstream end for receiving exhaust gas, a downstream end and multiple zones. An absorbing layer absorbs microwave energy in...
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8003067 |
Apparatus and methods for ambient air abatement of electronic manufacturing effluent
An abatement system is provided which includes 1) an abatement unit adapted to abate effluent; and 2) an ambient air supply system. The ambient air supply system includes an air moving device,...
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7985274 |
High specific surface silicon carbide catalytic filter and support
The invention relates to a honeycomb structure, made from a porous ceramic material, said structure being characterized in that the porous ceramic material which forms it comprises: from 50 to 95%...
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7981198 |
Overlap zoned electrically heated particulate filter
A system includes a particulate matter (PM) filter that includes an upstream end for receiving exhaust gas and a downstream end. A zoned heater is arranged spaced from the upstream end and...
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7981188 |
Controlled pore size distribution porous ceramic honeycomb filter, honeycomb green body, batch mixture and manufacturing method therefor
A porous ceramic honeycomb filter manufactured from an oxide-based ceramic material having a pore size distribution with d1≧7.0 microns. Preferably, the oxide-based material is cordierite or a...
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7976809 |
Method and an equipment for reducing the sulphur dioxide emissions of a marine engine
A method and an equipment for reducing sulphur dioxide emissions of a marine engine, wherein flue gases are scrubbed with a scrubbing solution in a scrubber. Fresh water with added sulphur removal...
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7976800 |
Integrated exhaust gas cooling system and method
An integrated exhaust gas cooling system and method, including an expansion joint linking the system to an upstream source of exhaust gas and a pre-oxidation section through which exhaust gas...
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7972407 |
Honeycomb structure, exhaust gas cleaning unit, and manufacturing method of honeycomb structure
A honeycomb structure includes an inorganic particle, inorganic binder, a honeycomb unit, a first end face, and a second end face. The honeycomb unit includes plural partition walls extending along...
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7967887 |
Exhaust aftertreatment filter with reduced maximum temperature
An exhaust aftertreatment filter and method is provided for filtering engine exhaust, and reduces the maximum temperature experienced by the filter including during regeneration including during...
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7964148 |
System for providing compressed substantially oxygen-free exhaust gas
A method and system of providing compressed substantially oxygen-free exhaust gas for industrial purposes including the steps of extracting exhaust gas from a lean burn engine consuming a mixture...
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7951346 |
Methods and systems for reducing particulate matter in a gaseous stream
Methods and systems for reducing emissions of particulate matter from a gaseous stream are provided. The subject systems include a catalyst that reduces the amount of particulate matter emissions...
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7951353 |
Flow control method and apparatus for a continuous multiple zone mass transfer
An apparatus and method of contacting a liquid with different gases sequentially in separate mass transfer zones within a single vessel, the mass transfer zones operatively in fluid communication...
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7947102 |
Soot filter
An improved ceramic honeycomb filter has at least one porous partition wall defining a channel that is (1) microstructurally different along the length of the channel, (2) microstructurally...
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7943095 |
Purifier
A purifier is described for use in a gas processing application. The purifier comprises a chamber having a gas inlet and a gas outlet. A series of baffles are arranged in the chamber and coated...
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7935167 |
Composite ceramic body, method of manufacturing the same and ceramic filter assembly
A method for manufacturing a composite ceramic body with occluding a plurality of pores that are open at its surface of a porous ceramic body, the method includes the steps of impregnating a...
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7931881 |
Integrated boiler and air pollution control systems
An air pollution control system includes an emission treatment system configured to receive flue gas, to reduce at least one pollutant therefrom, and to output emission treated flue gas. A first...
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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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7922988 |
Multilayered catalyst compositions
A layered three-way conversion catalyst having the capability of simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides is disclosed....
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7918914 |
Exhaust gas treatment component
In an exhaust gas treatment component with a ceramic body for the purification of exhaust gases and a method for making such a component, the ceramic body is disposed in a sheet metal housing...
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7910077 |
Configurations and methods for SOx removal in oxygen-containing gases
Sulfur oxides are removed from an oxygen-containing acid gas in configurations and methods in which oxygen is removed from the acid gas using reducing gases at relatively high temperature. The so...
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7910075 |
System and method of protecting a NOx reducing catalyst
A method of protecting a NOx reducing catalyst 140 from fouling, where the NOx reducing catalyst 140 is downstream of a circulating fluidized bed (CFB) boiler 120 and upstream of a particulate...
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7909904 |
Face finished honeycomb structures and methods of manufacturing same
A method for producing a ceramic honeycomb structure comprises providing a honeycomb body having a side surface, a first cut end surface, a second cut end surface opposite the first end surface,...
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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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7905933 |
Exhaust gas purifier and filter regenerator
An exhaust gas cleaning apparatus and a filter regeneration apparatus that are capable of cleaning a large volume of exhaust gas without any increase in size of a nonmagnetic member around which a...
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7906090 |
Mercury reduction system and mercury reduction method of flue gas containing mercury
A mercury reduction system according to the present embodiment is a mercury reduction system that reduces NOx and Hg in flue gas discharged from a boiler, and includes an NH4Cl solution spraying...
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7901645 |
Mercury reduction system and mercury reduction method of flue gas containing mercury
A mercury reduction system according to the present embodiment is a mercury reduction system that reduces NOx and Hg in flue gas discharged from a boiler, and includes a chemical supplying unit...
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7901475 |
Diesel particulate filter with zoned resistive heater
A diesel particulate filter assembly comprises a diesel particulate filter (DPF) and a heater assembly. The DPF filters a particulate from exhaust produced by an engine. The heater assembly has a...
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7892309 |
Production method of honeycomb filter and honeycomb filter
A method for producing a honeycomb filter from a honeycomb structure having large numbers of flow paths partitioned by cell walls, comprising inserting a tubular member into each of the flow paths,...
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7892308 |
Ceramic filter
A filling percentage of a central portion is larger than that of a peripheral portion at the inlet end surface of an exhaust gas of a honeycomb segment (2) constituting a ceramic filter due to...
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7879126 |
Diesel particulate filter
An improved particulate filtration system has an inlet, for the fluid to be filtered, connected to a housing containing a filter medium such that the fluid passes through the filter medium, and an...
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7870724 |
Lean NOx trap with PGM zoned axially
The present invention provides a thermally stable catalyst for treating automobile exhaust by-products is provided. The catalyst of the invention comprises a first section that includes a precious...
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7871587 |
Reactive chemical containment system
A small scale, but effective, reactive chemical containment system includes apparatus and methods for reaction of process gases exhausted from reaction furnaces with a reactant gas in a...
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