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JP3837627B2 |
To provide a method for hardening treatment of a catalyst end part by which wear resistance strength of a coating layer can be remarkably increased by surely preventing ceramic small pieces divided by minute cracks from being scraped fro...
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JP2006281117A |
To prevent physical adsorption of suspended matter in exhaust gas on irregularity on catalyst end surfaces.This exhaust gas purification catalyst 33 is disposed in an exhaust gas passage 2 and purifies exhaust gas with catalytic metal ca...
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JP2006264714A |
To provide a storage container for a metal-containing material which allows the solid metal-containing material to be stored and transported easily while being cut off from the fresh air even if the metal-containing material is not encap...
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JP2006257889A |
To solve the problem wherein a conventional catalytic converter is low in conversion efficiency since exhaust gas flows in a laminar flow shape in a passage part of a honeycomb carrier.This catalytic converter is formed by arranging a la...
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JP2006233827A |
To provide an exhaust emission control device for improving assembly accuracy of components.The exhaust emission control device comprises: a catalyst carrier 4 on which a catalyst is carried; a carrier storage pipe 61 incorporating the c...
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JP2006223920A |
To provide a catalyst carrier holding material having good loading workability, excellent in heat resistance, contact pressure holding property and wind erosion resistance, and capable of simultaneously preventing a decrease in contact p...
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JP2006212571A |
To locate a cause of performance deterioration of an Au catalyst in which if the Au catalyst is used, a reaction such as, for example, oxygen oxidation of an alcohol, progresses efficiently, but when it is scaled up to a practical operat...
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JP2006204987A |
To provide a structure of an electrode catalyst, which is adopted in an electrochemical device using an ionic liquid as an electrolyte and is used for advancing an electrode reaction smoothly.The structure of the electrode catalyst is ad...
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JP2006204993A |
To provide a structure of an electrode catalyst, which is adopted in an electrochemical device using an ionic liquid as an electrolyte and is used for advancing an electrode reaction smoothly.This structure of the electrode catalyst is a...
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JP3804732B2 |
To prevent the deterioration of a selective-reduction catalyst capable of purifying NOx in an oxygen-excess atmosphere and admixed with a specified catalytic species such as iridium to increase the purification capacity. When a catalyst ...
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JP3803853B2 |
To provide a method for hardening treatment of a catalyst end part by which thickness of hardening-treated coating film is not influenced by change of outside air temperature when a catalyst edge part surface is subjected to hardening tr...
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JP3803850B2 |
To provide a method for hardening a catalyst gas flow-in end part by which a coating layer having a proper thickness can uniformly be formed even without plentiful experience or high technique. A ceramic having higher hardness than that ...
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JP3803008B2 |
To provide a catalyst converter for exhaust emission control, capable of holding catalyst components on a catalyst carrier without causing the leakage of a catalyst solution from a mating gap in a holding seal body during supplying the c...
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JP3802592B2 |
To inhibit a peripheral relative displacement of a metal flat sheet and a metal corrugated sheet to the utmost by a method wherein in a metallic catalyst support wherein a honeycomb cylinder formed by winding alternately the metal flat s...
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JP3795522B2 |
The invention is directed to hydrogenation catalyst particles based on nickel or cobalt and a support, incorporated in a matrix of hardened oil or a derivative thereof, which matrix material is solid at a temperature of 25 DEG C, said pa...
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JP3797147B2 |
To preserve a catalyst for manufacturing methacrylic acid in such a state that the lowering of the activity and selectivity of the catalyst is suppressed. The catalyst for manufacturing methacrylic acid, which comprises a heteropolyacid ...
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JP3792127B2 |
To provide a supported catalyst for hazardous substance treatment and a method for using it. This catalyst is used for rendering hazardous substances harmless. It is provided with a catalyst layer on a carrier, and also provided with a r...
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JP2006167501A |
To provide a long-life reforming catalyst having high catalyst poisoning resistance for sulfur compounds as represented by dimethyl sulfide (DMS), tertiary butyl mercaptan (TBM), tetrahydrothiophene (THT), etc., in town gas and petroleum...
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JP2006161667A |
To provide a catalytic converter retention structure preventing drop of retention force of catalytic carrier retention material and scattering of the catalyst carrier retention material by reducing a part of which thickness gets thin due...
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JP3785879B2 |
To produce an exhaust gas purifying catalyst which does not suffer poisoning by sulfur contained in the exhaust gas, which enhances NOX purifying capacity under a lean atmosphere where the conventional catalysts can not (exhibit) satisfa...
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JP3777589B2 |
To provide a catalyst for cleaning exhaust gas capable of preventing the generation of cracks causing the peeling of a catalyst layer when the catalyst layer is formed on the surface of a carrier and capable of being enhanced in durabili...
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JP3768629B2 |
To form a coating film which can prevent photo-deterioration, on the surface of a photocatalyst particle and suppress the decrease of the quantity of light due to the coating film by depositing SiO2 on the surface of the photocatalyst pa...
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JP2006090292A |
To provide a method for pressing a column body and a buffer mat into a casing of an exhaust gas treatment device to be securely held by the optimum holding force.The optimum holding diameter is calculated based on at least an outside dia...
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JP3762121B2 |
To decompose halogen-containing organic compounds at high efficiency for a long duration by preventing deterioration of catalytic activity by deliquescent components. This halogen-containing organic compound-decomposing catalyst comprise...
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JP2006509833A |
A continuous process for preparing sugar alcohols by catalytic hydrogenation of an aqueous solution of a saccharide, which forms the corresponding sugar alcohol on hydrogenation, in the presence of a ruthenium catalyst which is obtainabl...
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JP2006070886A |
To securely stop the movement of the column body and the cushioning mat of the exhaust gas treatment device of an internal combustion engine.A stopper part swelling inward is formed integrally with an outer tube 1. A stopper part is sepa...
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JP2006507933A |
Process for the preparation of an epoxidation catalyst which process comprises (a) drying a silica gel carrier having a weight average particle size of from 0.1 to 2 millimetre at a temperature of from more than 200 to 300 °C, and (b) c...
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JP3751270B2 |
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JP2006026605A |
To provide a hydrogen oxidation catalyst which substituts for an expensive platinum catalyst.The hydrogen oxidation catalyst is constituted so that a μ-oxotransition metal complex is immobilized on the surface of a conductive carrier vi...
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JP3740154B2 |
To provide a catalytic converter manufacturing method and a catalytic converter for providing a proper clearance between a catalyst and an outer pipe, for maintaining the catalyst in a stable state and for enhancing productivity. The cat...
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JP3739223B2 |
To further improve NOx reducibility of a catalyst contg. a multiple oxide of MgO.Al2O3 or the like as a carrier and to maintain stable NOx purifying property of the catalyst even after it is used at high temp. This catalyst contains both...
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JP2006009693A |
To provide a catalytic converter adaptable to layout of a complicated exhaust system, and prevent decrease in exhaust gas temperature without heat insulation material or a heat shield panel to improve exhaust gas cleaning performance of ...
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JP2005349356A |
To provide a catalyst apparatus easy to manufacture where a stopper 4 can be attached to a casing 2 with a catalyst mat 3 in between without applying excessively high surface pressure between a catalyst carrier 1 and the catalyst mat 3.T...
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JP3724696B2 |
To suppress the sulfur poisoning of an exhaust gas cleaning catalyst of an NOx occluding and reducing type and to improve the cleaning performance after an endurance test. A sulfur poisoning preventive layer 3 formed of the oxide or carb...
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JP3720088B2 |
To provide a carbon dioxide fixing agent which controls the side reaction of an epoxide and is easy of handling. It is preferable that this agent is composed of solid particles 1 containing an epoxide 2 and a carbon dioxide fixing cataly...
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JP2005320888A |
To surely retain catalyst carrier not to come off, in a catalytic converter.The catalytic converter 460 consists of a catalyst 460A made of porous ceramic, a mat 460B wound around the catalyst 460A and demonstrating thickness recovery pr...
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JP3716728B2 |
To prevent deviation of a carrier installation position at the time of a new vehicle, in an exhaust emission control device for an internal combustion engine for supporting a carrier at the inside of a container by a supporter formed by ...
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JP2005315252A |
To provide a pressure fitting mounting method and a device therefor for ceramic catalyst carrier wound with a non-intumescent mat into an accommodative outer cylinder to constitute part of the exhaust passage, capable of precluding incon...
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JP2005307762A |
To provide a holding structure of ceramic catalyst carrier capable of preventing positional deviation of the ceramic catalyst carrier without setting filling density of ceramic fibers of a non-expansion mat to a high value and increasing...
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JP2005296758A |
To provide a catalytic converter for exhaust gas cleaning which is composed of a catalyst layer containing an alkali metal component and a metal honeycomb substrate and exhibits improved durability in a high-temperature exhaust gas; and ...
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JP2005290991A |
To provide a catalyst converter holding material, in which no embrittlement of fibers occurs even at high temperature, or specifically, in a temperature range up to 1200°C.A catalyst converter is composed of catalyst carrier, a casing t...
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JP2005282374A |
To provide a thermal insulation structure of a catalytic converter capable of preventing a heat damage to the outside by the heating of a case.This thermal insulation structure of the catalytic converter A comprises a tubular case 1 and ...
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JP2005282385A |
To provide a manufacturing device of a catalyst converter around which a mat can be easily wound.The manufacturing device of a catalyst converter is characterized in comprising: a catalyst holding means 12 for holding a catalyst 90; a pa...
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JP2005279622A |
To provide an air cleaner which can remove naturally cigarette smoke and also carbon monoxide with a sufficient durability, and can keep the concentration of the carbon monoxide low even if ventilation is inadequate, and which has a low ...
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JP2005282375A |
To provide a thermal insulation structure of a catalytic converter capable of preventing a heat damage to the outside by the heating of a case by properly disposing a distance holder and thermal insulation materials in a case.This therma...
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JP2005276746A |
To provide a fuel cell whose output is improved by preventing the resistance of an electrode from increasing by water repellent particles, and especially reducing IR drops in high-current operation.In the fuel cell in which an anode cata...
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JP2005264769A |
To provide a catalytic converter capable of preventing a defect due to thermal expansion from occurring on a catalyst carrier.This catalytic converter 1 of an internal combustion engine comprises a monolith type catalyst carrier 2, a hou...
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JP2005254120A |
To stabilize and increase the forming rate of hydrogen and an aromatic compound at the time of reformation and aromatization of a lower hydrocarbon.In a method for manufacturing a lower hydrocarbon direct-reforming catalyst of a lower hy...
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JP2005254085A |
To provide a surface-modified titanium oxide photocatalyst showing high photocatalytic activity and a method of oxidizing organic compounds using the catalyst.The photocatalyst consists of a surface-modified titanium oxide coated with a ...
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JP3695651B2 |
To provide a method for preparing an oil sample, or the like, for concentrating S contained in the oil sample by sedimentation and filtration and applying a fluorescent X-ray analysis with the quantitative lower limit on the order of 10-...
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