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7517510 |
Layered catalyst composite
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. In...
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7506504 |
DOC and particulate control system for diesel engines
The present invention is directed to an emission treatment system for the treatment and/or conversion of engine emissions and particulate matter from diesel engines. The emission treatment system...
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7501104 |
Apparatus and method for treating discharge gas
A discharge gas treatment apparatus and method which lower treatment cost and which attain efficient removal of mercury contained in a discharge gas are provided. The discharge gas treatment...
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7501102 |
Reactor having improved heat transfer
A catalytic reactor or heat exchanger includes a monolith defining a plurality of leaves, the monolith having a generally annular cross-section. The monolith is disposed within a generally...
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7501100 |
Filter system for electrochemical air separation device
The present invention provides a filter system for treating air entering an electrochemical air separation device. The filter is provided with first and second filter sections. The first filter...
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7501098 |
Exhaust gas treatment catalyst
Provided are an exhaust treatment catalyst and an exhaust article containing the catalyst. The catalyst comprises a carrier; a first layer deposited on the carrier, said first layer comprising...
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7501111 |
Increased capacity sulfur recovery plant and process for recovering elemental sulfur
Claus sulfur recovery plants that include one or more single-stage or multi-stage compact tubular Claus catalytic reactor-heat exchanger units are disclosed. In some instances, these new or...
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7497999 |
Honeycomb structural body, method of manufacturing the structural body, and catalyst body using the structural body
A honeycomb structure of the present invention is a honeycomb structure 1 including: a cell structural part 2 including a plurality of cells 6 partitioned by partition walls 4 in a...
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7494533 |
Systems for purifying gases having organic impurities using granulated porous glass
Methods and apparatus for purifying gases having organic impurities, including the use of granulated porous glass. A system for purifying an impure gas includes a source of an impure gas, a...
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7494634 |
Reduction of nitrogen oxides using multiple split streams
Systems and methods of removing at least nitrogen oxides from an exhaust fluid generally include dividing a flow of an exhaust fluid comprising a concentration of nitric oxide into three types of...
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7488462 |
Multi-stage catalyst systems and uses thereof
Catalyst systems and methods provide benefits in reducing the content of nitrogen oxides in a gaseous stream containing nitric oxide (NO), hydrocarbons, carbon monoxide (CO), and oxygen (O 2 ). The...
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7487927 |
Fertilizing system and method by extracting nitrogen compounds from combustion exhaust gases
A fertilizer system is provided using extraction of nitrogen compounds and other plant nutrients from combustion exhaust gases, and which is particularly suited for use with an agricultural...
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7488456 |
Method of treating atmospheric pollutants
A method of reducing at least one atmospheric oxidizing pollutant, such as ozone, with a reducing agent comprises contacting the reducing agent with the at least one atmospheric oxidizing...
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7485271 |
Catalyst structure for treating NOx containing exhaust gas from a lean burn engine
A catalyst structure for treating exhaust gas from a lean burn internal combustion engine comprises a substrate monolith comprising a lean NO X catalyst (LNC) composition associated with at least...
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7485169 |
Semiconductor manufacturing facility utilizing exhaust recirculation
A semiconductor manufacturing process facility requiring use therein of air exhaust for its operation, such facility including clean room and gray room components, with the clean room having at...
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7484297 |
Method and apparatus for manufacturing a catalytic converter
A method of manufacturing a catalytic converter is described where the catalytic converter is comprised of an outer tube member having a monolith substrate internally compressed therein with a...
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7485272 |
Multi-stage system for selective catalytic reduction
A first aspect of the present disclosure includes a method of controlling nitric oxides emissions. The method may include producing an exhaust gas stream containing NOx and supplying the exhaust...
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7481983 |
Zone coated catalyst to simultaneously reduce NOx and unreacted ammonia
Provided is an emissions treatment system and method for reducing NO x emissions in the exhaust stream produced from an internal combustion engine. The system has an injector for periodically...
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7481982 |
Carbon monoxide oxidizer
A carbon monoxide oxidizer comprises an oxidant supply unit ( 4 ) that supplies an oxidant gas to a reformate gas, a mixing unit ( 5 ) that mixes the reformate gas with the oxidant gas, and a...
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7476366 |
Catalyst carrier body with corrugated casing and process for producing the same
A catalyst carrier body has a geometrical longitudinal axis, a honeycomb body and a housing. A corrugated casing with an outer side and an inner side is disposed between the honeycomb body and the...
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7473665 |
Exhaust gas-purifying catalyst system
An exhaust gas-purifying catalyst system is provided with a plurality of catalyst layers including a first and a second catalyst layers, supported on a support structure. The first catalyst layer...
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7473303 |
System and method for improved mercury control
A combustion system having improved mercury collection. The system includes a combustion chamber for burning a fuel containing mercury, whereby burning produces a flue gas stream containing mercury...
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7470407 |
Carbon particle reducing apparatus
A reducing apparatus 16 for carbon particles PM is provided with one or more filters 19 of a wire mesh structure. The filter 19 is formed in a substantially short column-shape and is provided...
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7470350 |
Process for tritium removal from light water
A process for light water detritiation which includes the steps of water distillation for tritium stripping and enriching, followed by chemical conversion of tritium enriched water to elemental...
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7468099 |
Image forming apparatus
An image forming apparatus includes an image forming portion that forms a toner image on a recording material, in which the image forming portion is provided in a main body of the image forming...
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7468166 |
Exhaust gas cleaning apparatus
An exhaust gas cleaning apparatus for cleaning an exhaust gas emitted from a combustion engine has a stack of plural material layers successively arranged on each other in a stacking direction. The...
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7465690 |
Methods for making a catalytic element, the catalytic element made therefrom, and catalyzed particulate filters
In one embodiment, a method for making a catalytic element comprises forming a first slurry of a promoter oxide precursor and a refractory inorganic oxide and calcining the first slurry to form a...
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7465429 |
Heat-treated active carbons for use in denitration, processes for producing same, denitration method using same, and denitration system using same
This invention relates to a technique for removing nitrogen oxides (NO x ) present in exhaust gases discharged from boilers and the like. When the temperature of the exhaust gas is 100° C. or...
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7462332 |
Apparatus and method for manufacturing a catalytic converter
Disclosed herein is a method of making a catalytic converter; forming a shell having a welding deformation detail; inserting and housing a catalyst substrate inside the shell, wherein a mat support...
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7462339 |
Metallic foam trap for poisons: aircraft ozone
The present invention is directed to an improved apparatus and method of minimizing catalyst poisoning by inorganic deposits from lube oil additives and particulate matter, especially in aircraft....
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7462340 |
Method and device for reducing the NOX and N2O of gases
The disclosure involves a method for reducing the content of NO x and N 2 O in gases. The method includes the conduction of a gas containing N 2 O and NO X over a series of two catalyst beds...
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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...
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7458154 |
Method for producing a catalytic element
A catalytic element may be created by compressing a mesh fabric to reduce its dimension to achieve a desired size and shape. The process begins by braiding or otherwise forming a flat wire into a...
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7459224 |
Methods, apparatus, and systems for producing hydrogen from a fuel
Methods and apparatus for producing hydrogen are provided. The methods and apparatus utilize reforming catalysts in order to produce hydrogen gas. The reforming catalysts may be platinum group...
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7455817 |
Compact fuel processor for producing a hydrogen rich gas
An apparatus for carrying out a multi-step process of converting hydrocarbon fuel to a substantially pure hydrogen gas feed includes a plurality of modules stacked end-to-end along a common axis....
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7455710 |
Honeycomb structure and method of manufacturing the same
A honeycomb structure includes honeycomb segments separated by porous partitions and having circulation holes through the honeycomb segments in an axial direction; a spacer positioned between...
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7455818 |
Method for treating a flow of gas and gas treatment system
A method treats a flow gas that is guided via a catalytic adsorber module to oxidize contaminants carried in the flow gas. The method reliably purifies the flow gas using equipment that is held to...
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7452412 |
High-efficiency filter device and method for making same
A high-efficiency filter for removing or collecting trace levels of chemical compounds includes a randomly oriented glass substrate, a primer coating and a carbon coating. The present filter is...
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7441332 |
Method for restoring performance capabilities of exhaust gas treatment apparatus
To provide a method for recovering performance of a discharge gas processing apparatus, the method being capable of recovering NO x removal performance of a deteriorated NO x removal catalyst...
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7442425 |
High porosity honeycomb and method
A ceramic honeycomb substrate for use in an automotive catalytic converter system which exhibits improved light-off performance by virtue of a high porosity of 45 to 75% while still maintaining a...
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7441334 |
Exhaust system with spin-capture retention of aftertreatment element
A spin-capture retention system engages and retains a thermally expanding mat, stabilizer and exhaust aftertreatment element in an exhaust system, and provides secure axial and radial location, and...
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7438868 |
Honeycomb structure and catalytic converter
A catalytic converter has a honeycomb catalyst body, a housing and a holding material, wherein the honeycomb catalyst body has, as the catalyst carrier, a honeycomb structure having an inner...
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7438865 |
Augmented catalytic heat exchanger system
Systems, apparatus, and methods for the catalytic removal of at least one pollutant from an air stream via a catalytic precooler arranged in series with at least one augmentative catalytic device....
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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...
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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...
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7431905 |
Catalyst system and method for the reduction of NOx
A catalyst system for the reduction of NOx. is provided. The system comprises a catalyst in a first zone comprising a catalyst support, a catalytic metal comprising gallium, and at least one...
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7431896 |
Vacuum-insulated exhaust treatment devices, such as catalytic converters, with passive controls
A thermally-activated exhaust treatment device, such as a catalytic converter, for vehicles includes a core having an inner housing and a catalytic material. A jacket includes an outer housing...
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7431907 |
Apparatus for removing vaporized unreacted isocyanate from a gaseous waste stream
An apparatus includes a container that defines an interior. The interior is isolated from ambient atmosphere for receiving a composition that includes isocyanate. A conduit extends into the...
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7431895 |
Exhaust gas treatment unit for the selective catalytic reduction of nitrogen oxides under lean exhaust gas conditions and a process for the treatment of exhaust gases
An exhaust gas treatment unit for the selective catalytic reduction of nitrogen oxides under lean exhaust gas conditions which contains at least one catalyst with catalytically active components...
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7429285 |
Honeycomb structure and method of manufacturing the same
A honeycomb structure 20 includes a cell structure 10 having a plurality of cells 9 communicating between two open ends being partitioned and defined by porous partition walls 7 , an outer...
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