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JP7139536B2 |
A composite oxidation catalyst (12) for use in an exhaust system for treating an exhaust gas produced by a vehicular compression ignition internal combustion engine, preferably for a heavy-duty diesel vehicle, and upstream of a particula...
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JP2022539896A |
A formaldehyde decomposition catalyst, a formaldehyde decomposition felt, and a method for producing them are disclosed for the purpose of solving the technical problem of realizing efficient catalytic decomposition of formaldehyde. [Sol...
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JP7085819B2 |
A holding material for a pollution control element which can sufficiently suppress scattering of inorganic fibers when the pollution control element is assembled in a casing, and which has a sufficiently high coefficient of friction. The...
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JP2022087768A |
To provide a vertical down-flow type catalyst reactor capable of performing carrying-in, installation, removal and carrying-out in a short construction period.A catalyst reactor has: a reactor duct; a horizontally bridged beam 33; a cata...
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JP7026641B2 |
The invention is in the field of catalysis. More specifically, the invention relates to a process for preparing a protected metal catalyst on a support; a matrix particle comprising the protected metal catalyst; and, a process for hydrog...
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JP7023770B2 |
To provide a catalyst for purifying exhaust gas at a low cost, capable of suitably suppressing phosphorus poisoning of a metal catalyst, and retaining sufficient exhaust gas-purifying property for a long term.A catalyst 10 for purifying ...
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JP2022504959A |
The present invention relates to a water gas conversion reaction catalyst for medium temperature, and has 40 to 80 mol% of copper (Cu), 15 to 50 mol% of zinc (Zn), and 1 to 1 to aluminum (Al) with respect to all catalyst metals. Provided...
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JP2021155395A |
To provide: when synthesizing a silane coupling agent having a radically polymerizable group by hydrosilylation, a production method which does not use a soluble noble metal catalyst; and a curable composition for dentistry, containing i...
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JP6944834B2 |
To provide a honeycomb catalyst capable of preventing generation of crack during temperature increase, and capable of preventing reduction of purification performance.There is provided a honeycomb catalyst manufactured by carrying a cata...
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JP6938502B2 |
The invention relates to a mounting member for wrapping and mounting a pollution control element in a casing of a pollution control device, the mounting member comprising: inorganic fiber material; and inorganic particles, wherein the in...
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JP6932231B1 |
To provide an exhaust treatment device capable of suppressing an increase in main body temperature and suppressing generation of radiated sound. An exhaust treatment device 100 has a catalyst 1 for treating an exhaust gas G, an exhaust t...
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JP6928618B2 |
Provided herein are palladium (Pd) catalysts with improved performance in biological environments. In particular, formulations, methods of preparations, and storage conditions are provided that provide improved performance of Pd catalyst...
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JP6900893B2 |
To provide a method for manufacturing an electrode for a fuel cell, by which a performance can be maximized when having a porous carrier support a catalyst.A method for manufacturing an electrode for a fuel cell comprises the steps of: p...
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JP6889552B2 |
A process is disclosed for limiting the emissions of gases from a porous material in the form of particles comprising a porous inorganic support and at least 0.1% by weight of one or more compounds chosen from organic compounds, halogen ...
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JP2021512782A |
The present invention provides a process for producing a fermentable gas stream from a gas source containing one or more components that can be detrimental to the fermentation process. To generate a fermentable gas stream, the gas stream...
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JP6853341B2 |
An oxidation catalyst is described for treating an exhaust gas produced by a diesel engine. The oxidation catalyst comprises: a substrate; a capture material for capturing at least one sulfur containing impurity in the exhaust gas produc...
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JP2021011847A |
To improve insertion performance when inserting a catalyst carrier wound with a holding mat into a catalyst case.A catalyst converter comprises a cylindrical catalyst case 10. A catalyst carrier 20 for purifying exhaust emission is dispo...
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JP6820739B2 |
To provide a catalyst for exhaust purification that satisfies all of reduced exhaust back pressure, structural stability of a catalyst coat layer, and excellent exhaust purifying performance.A catalyst for exhaust purification has a hone...
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JP6764812B2 |
The present invention relates to a mounting mat for mounting a pollution control device in a catalytic converter, the mounting mat comprising a non-woven mat of inorganic fibers having distributed therein inorganic particles having an av...
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JP6757058B1 |
It provides a dehydrogenation system that facilitates maintenance of catalysts and heaters. The dehydrogenation system includes a reaction vessel, a resistance wire 21 that generates heat due to power supply, a cylinder portion 27 that c...
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JP6756488B2 |
To provide a mat material reduced in generation of odor even in the case of being arranged in an exhaust system and exposed under high temperature conditions.Provided is a mat material comprising: inorganic fiber; and a fiber scattering ...
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JP6729370B2 |
The purpose of the present invention is to provide a metal-supported catalyst which has high catalytic activity and selectivity and can be handled in the air. The present invention pertains to a metal-supported catalyst which includes Ru...
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JP6640568B2 |
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JP6622599B2 |
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JP6616003B2 |
The present invention provides an exhaust gas purification catalyst for an internal combustion engine, and exhaust gas purification method using the catalyst. The present invention provides the exhaust gas purification catalyst including...
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JP6606069B2 |
Provided is a redox catalyst wherein a catalytically active component is supported on carbon nanotubes whose average diameter (Av) and standard deviation (Ã) of diameters satisfy the condition 0.60>3Ã/Av>0.20, and at least a part of a ...
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JP2019528264A |
A method for producing butadiene from n-butene having a start-up stage and an operation stage, wherein A) an n-butene-containing supply gas flow (a1) is prepared in the operation stage, and B) an n-butene-containing supply gas flow. (a1)...
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JP2019157749A |
To provide a holding material that can uniformize surface pressure acting on an outer peripheral surface of a honeycomb carrier after canning.A holding material 30 is used in an exhaust purification device comprising a honeycomb carrier ...
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JP6572570B2 |
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JP2019148218A |
To provide an exhaust emission control device capable of avoiding the surface pressure of a case member from becoming non-uniform depending on the peripheral position of a contour, when the contour in cross-sectional view of a base mater...
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JP6559700B2 |
Inadequate reactant mixing as well as localized reactor hot spots in a commercial acrylonitrile reactor can be significantly reduced if the distance between sparger system 16 and air grid 14 is controlled to be within 6 to 24 inches (~15...
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JP6550130B2 |
The present invention relates to a method for limiting the emission of dust from catalyst grains. Said method comprises the following two consecutive steps: a first step of performing a heat treatment of the catalyst grains at a temperat...
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JP2019118844A |
To provide a manufacturing method of a photocatalytic composite for useful photocatalytic composite by reacting a calcium oxide solution and a calcium hydroxide solution dissolved in saccharides with a phosphoric acid solution to form ca...
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JP6544890B2 |
A retaining material that can sufficiently maintain the function of retaining a pollution control element in a pollution control device at high temperature. In one aspect, the retaining material has a mat shape and contains inorganic fib...
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JP6540260B2 |
To provide a honeycomb structure that contains as a main component a ceria-zirconia composite oxide to enhance reliability of a catalytic converter for an automobile, gives sufficient cleaning performance using a small amount of a cataly...
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JP6535393B2 |
The invention pertains to a stabilized catalyst mould comprising a catalyst body formed of a catalyst material, said catalyst material comprising a catalytically active material or a precursor material of the catalytically active materia...
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JP2019102345A |
To provide a catalyst ink for a fuel cell, which is arranged so that the worsening of the catalyst activity attributed to the change in the composition of metal catalyst particles can be suppressed.In a catalyst ink 900 for a fuel cell, ...
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JP6532055B2 |
To provide a reusable metal particle-supported catalyst used suitably for a reaction for producing hydroxy fatty acid by oxidizing aliphatic diol, and having high yield and selectivity of hydroxy fatty acid in the reaction.A metal partic...
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JP6533873B2 |
The purpose is to provide a means for suppressing deterioration in catalytic performance even after being exposed to exhaust gas containing a phosphorus compound.A catalyst for purification of exhaust gas containing a phosphorus compound...
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JP2019074033A |
To provide an electric heating type catalyst which can suppress electrical leakage as much as possible.An electrical heating type catalyst arranged in an exhaust passage of an internal combustion engine comprises: a heating body which is...
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JP6486328B2 |
Provided is a holding material for an exhaust gas treatment apparatus having excellent heat resistance, excellent initial contact pressure, and excellent holding property which ensures that a high contact pressure can be maintained even ...
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JP6470975B2 |
A honeycomb structure includes porous partition walls defining cells which extend from a first end face to a second end face and which become through channels for a fluid, and a porous circumferential wall integrally formed with the part...
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JP6461163B2 |
Visible-light-active and photostable, multilayered materials and their preparation method based on surface-modified titanium(IV) oxide have been invented.
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JP6452169B2 |
The present invention clarifies the characteristic of the hygroscopicity of the catalyst for producing acrylic acid and finds out a relationship between the water amount of the catalyst and the catalytic performance as the catalyst for p...
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JP6445838B2 |
The present invention provides a highly durable, electrically heated catalytic converter having a relatively simple structure while its inner tube is curved toward the central axis, wherein an insulation layer formed on the inner tube is...
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JP6444878B2 |
A method of treating tough inorganic fiber bundles including opening a plurality of the tough inorganic fiber bundles such that tough inorganic fibers can be dispersed in a liquid slurry to lay down a homogenous fiber aggregate, wherein ...
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JP6429880B2 |
The invention refers to the use of lubricants in a mounting mat, wherein the mounting mat is made for mounting a pollution control element into a housing, to reduce the cold peak pressure or compression of the mounting mat, the mounting ...
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JP6419708B2 |
This exhaust gas purification device is provided with a columnar exhaust gas treatment body, a casing which comprises a tubular body that houses the exhaust gas treatment body, and a mat which comprises inorganic fibers and is inserted b...
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JP6417333B2 |
Provided is an exhaust gas purification catalyst with excellent durability against exhaust gas including a poisoning substance. The exhaust gas purification catalyst 7 includes a porous substrate 10, a catalyst coating layer 30 formed on...
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JP6419556B2 |
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