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JP2004509278A |
A catalyst assembly includes a housing having at least first and second recesses with side surfaces, and a catalyst carrier body fixed in said housing. The catalyst carrier body has a casing tube and a honeycomb body through which an exh...
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JP2004076590A |
To provide a cylindrical member having a proper reduced body part, and having necking parts with proper rigidity up to reaching the opening end of the cylindrical member by continuing with the body part in a fluid treating system with bu...
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JP2004506703A |
An improved catalytic process for decomposing alkyl or aromatic hydroperoxides is disclosed which utilizes a caalytic amount of a heterogeneous Au catalyst that has been treated with an organosilicon reagent.
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JP2004058015A |
To provide a catalyst for treating a silicone-containing gas of which the carrier is a heat-resistant glass fiber containing silica as a main component, preventing the catalyst activity from being deteriorated by adsorbing a silicone gas...
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JP3496964B2 |
PURPOSE: To obtain a catalyst having high strength and high activity by selecting the moisture content of a nitrogen oxide removing catalyst at the time of forming to make it possible to individually change the activity and strength of t...
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JP3496250B2 |
PURPOSE: To suppress the poisoning of Pd due to S and to improve the low- temp. HC acitvity of a catalyst with Pd as the catalystic component. CONSTITUTION: A catalyst 1 with Pd depositing on a base material component is placed in an exh...
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JP3495475B2 |
To obtain a catalyst which can maintain a capacity of a long service life for removing nitrogen oxides in combustion exhaust gas. A catalyst for removing nitrogen oxides in exhaust gas by catalytic reduction by adding ammonia into the ex...
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JP2004503358A |
A process for preparing a cobalt based catalyst precursor includes in a first support impregnation/drying/calcination stage, impregnating a particulate porous catalyst support with a cobalt salt, partially drying the impregnated support,...
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JP3493393B2 |
To improve the durability of a photocatalyst powder for purifying environment to be added into organic fibers and others by kneading and others, by making an anionic surfactant exist on an interface between a titanium dioxide fine partic...
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JP3493695B2 |
PURPOSE: To provide such a catalyst for purification of exhaust gas from an engine that has excellent low temp. activity for HC and contains Pd as a catalyst component and that contamination of Pd with S can be suppressed. CONSTITUTION: ...
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JP2004027464A |
To provide a continuous alumina fiber having a uniform unit weight over whole parts.This continuous alumina fiber sheet having the uniform unit weight over the whole parts is provided by forming a thin layer sheet of an alumina fiber pre...
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JP2004017029A |
To provide a gas seal structure of a high temperature denitrification apparatus which can minimize heat conduction through a seal guide and prevent the occurrence of hot spots in a casing.A seal plate 30 for preventing a short path of ex...
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JP3466856B2 |
To improve durability and carrying efficiency by covering a catalytically active particle, which is exposed to the surface of a support, with the support at a specified ratio of the whole surface area, regarding an exhaust gas purifying ...
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JP2003531994A |
A modular construction catalyser, or carbon filter, for an IC engine has a selected length central cylinder (1) fitted each end with standard connecting cones (20, 21) with a double skinned construction enclosing thermal insulation (10)....
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JP2003293759A |
To provide a retaining member for a catalytic converter, capable of attaining easy winding work for a catalytic carrier and high adherence to the catalytic carrier in a wound condition.This retaining member for the catalytic converter in...
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JP2003293755A |
To provide a retaining member for a catalytic converter, capable of restraining deterioration of a mesh member due to heat, which is provided for strength reinforcement and maintenance of stable shape, thus attaining long-term maintenanc...
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JP2003293754A |
To provide a retaining member for a catalytic converter, capable of binding inorganic fiber well without needing any inorganic binder and maintaining the same thickness as a conventional one.This retaining member for the catalytic conver...
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JP2003293753A |
To provide a retaining member for a catalytic converter which is excellent in heat insulation.This retaining member for the catalytic converter, including a catalytic carrier formed into a cylindrical shape, a casing for storing the cata...
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JP2003286836A |
To adjust the inside diameter of a part for holding at least a cushioning member of a cylindrical member appropriately, and hold appropriately by press-inserting a pillar wounded with the cushioning member into the cylindrical member.The...
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JP2003284959A |
To provide a manufacturing method for a photocatalytic member forming a member having a photocatalytic thin film having high photocatalytic performance and excellent sliding resistance and film hardness in a wet method.The manufacturing ...
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JP2003278538A |
To provide a catalyst converter wherein wind erosion of a holding seal material is prevented even if repeatedly used for a long period, a catalyst supporting element is certainly held, and holding stability of the catalyst supporting ele...
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JP2003278537A |
To provide a catalyst converter having excellent durability, wherein generation of a crack on a catalyst supporting element is prevented even if repeatedly using the catalyst for a long period.This catalyst converter is composed of the c...
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JP2003272660A |
To restrain poisoning of a proton-generating catalyst and enable to maintain a given operating condition in an electrochemical element.The electrochemical element generates a solid proton conductor 6 and proton, supplies the solid proton...
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JP2003269153A |
To provide a catalytic carrier holding mat capable of accurately canning a catalytic carrier with low strength by restraining a local rise in bearing pressure of a mat against the catalytic carrier in a canning condition by locally wound...
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JP2003269154A |
To provide a manufacturing method for a catalytic converter, capable of keeping the bearing pressure of a mat constant relative to a catalyst carrier so as to be constant corresponding to variations in the surface density of the mat.A re...
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JP2003260322A |
To provide a honeycomb structure having excellent mechanical strength and a smaller pressure drop and a method for manufacturing the same, and to provide a system comprising the honeycomb structure for cleaning a waste gas.A honeycomb st...
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JP2003260370A |
To provide a new photocatalyst in which visible rays can be used and to provide a method for decomposing various kinds of substances including organic substances and bacteria with light by using the above photocatalyst to remove the subs...
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JP2003245555A |
To provide an improved process for the preparation of an iron-doped ruthenium catalyst supported on carbon, and to provide its use for a selective liquid phase hydrogenation of a carbonyl compound to give a corresponding alcohol.In the p...
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JP2003526034A |
A method of manufacturing a catalytic converter for purifying exhaust gases from an internal combustion engine wherein the converter exhibits a monolithic ceramic substrate surrounded by a supporting mat. The method includes the steps of...
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JP3433885B2 |
To further reduce the discharge of particulates by improving heat resistance. This catalyst is composed of the first coating layer 2 carrying Pt 4 and the second layer 3 carrying no Pt 4, and a layer thickness of the first coating layer ...
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JP2003206735A |
To provide a catalyst device capable of suppressing the wind erosion of a catalyst body by effectively capturing a solid matter incapable of passing through the catalyst body.A catalyst device is provided with a catalyst carrier 1 equipp...
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JP2003190721A |
To provide an improved catalytic filter material for use in removing contaminants such as NOx from a fluid stream.The catalytic filter material for use in a fluid stream comprises multiple fibers coming from a tow drawn yarn, each compri...
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JP2003137603A |
To provide thermally tempered glass which has prescribed characteristics as the thermally tempered glass and has a photocatalyst effect in combination and a method of easily and inexpensively manufacturing this thermally tempered glass.T...
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JP2003136019A |
To provide the process of coating a carrier structure by which excellent evenness in the thickness of a coating in the axial direction of the carrier structure can be assured even in the case of using a coating suspension containing a so...
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JP2003515442A |
Method for treating atmospheric pollutants by contacting the atmosphere with a catalyst composition or adsorptive material coated on the surface of a substrate in which the catalyst composition or adsorptive material is protected from de...
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JP3400919B2 |
To control damage by reducing the contact of exhaust gas flow with a mat, to improve durability, and to obtain a casing with a good peripheral surface shape after the contraction of a diameter by a method in which a casing holding a hone...
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JP3399388B2 |
To improve a hydrocarbon adsorbing function of a plurality of catalyst devices mounted in series in multi-stage in an exhaust pipeline. A temperature rise of a catalyst device 4B in the downstream ca be controlled at a temperature not ov...
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JP2003107047A |
To obtain a gas-concentration detecting element which prevents a drop in catalytic activity due to the thermal coagulation of catalyst particles in a high-temperature use environment, which can maintain a stable output for a long period ...
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JP3394449B2 |
To provide a thin-walled honeycomb structural body in which the partition of a cell is thin and the honeycomb structural body is lightweight and pressure loss is small and also the outer peripheral part is reinforced so as not to be brok...
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JP2003093889A |
To provide a charging equipment that is capable of simply and safely charging a large amount of a granular catalyst into a reactor at a high place.The charging equipment is composed of a liquid passage from the end of an entrance which i...
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JP3389851B2 |
To further improve NOx removing performance, suppress the poisoning of the NOx absorbing material with sulfur, and improve the durability by controlling the portion of a catalyst bearing layer existing within a specified depth from the s...
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JP2003074336A |
To assure a sufficient surface pressure necessary for stably maintaining a purification unit while avoiding the risk of damage to the purification unit and of rupture of a mat in an exhaust emission control device adopting an insert type...
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JP2003508214A |
A combination comprising a bed of a particulate copper-containing catalyst and, a guard bed of a particulate composition containing a) lead and/or at least one lead compound that reacts with hydrogen chloride and b) a support therefor. T...
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JP2003062466A |
To provide a catalyst particle that has the molecular sieve action and the high catalytic activity, and to provide a method for manufacturing a derivative of an aromatic compound using the same.The catalyst particle is characterized in t...
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JP2003054922A |
To increase the productivity of carbon nanotubes of high quality. The composite carbon structures that contain carbon-coated catalyst nanoparticles, and that are used in subsequent arc-discharge or laser ablation methods to produce carbo...
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JP2003056339A |
To provide a catalyst carrier holding member capable of easily preventing dislocation between a catalyst carrier and the catalyst carrier holding member in a press-fittingly assembling method of a catalytic converter for exhaust emission...
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JP2003035134A |
To provide a catalytic converter system, which has superior erosion resistance, even if the strength of the catalyst carrier is decreased by thinning the catalyst carrier. A catalytic converter system for purifying exhaust gas is provide...
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JP2003504187A |
A method and a device for making catalyst containers preparing, on a single semi-automatic production line, a station (1), at least a monolith enclosing the monolith with an insulating mat and bonding the insulating mat on the monolith; ...
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JP3371427B2 |
Exhaust emission control catalyst for diesel engines comprises: (a) a carrier backing material; (b) on a surface of this, a metallic carrier layer supporting a catalytic metal; and (c) a 170 mu m or less thick diffusion suppressing layer...
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JP2003010694A |
To provide a method for handling an oxidizing agent-containing compo sition not lowered in stability when a lubricant used in a machinery handling the oxidizing agent-containing composition is contaminated into the composition or the lub...
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