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WO/2023/020495A1 |
Provided are a monolithic cDPF composite material for a diesel vehicle and a preparation method therefor. The preparation method comprises the following steps: preparing whisker-modified cordierite; mixing lanthanum nitrate, cobalt nitra...
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WO/2023/021761A1 |
The present invention addresses the problem of providing a stainless steel metal sheet on which a catalyst-coating-film-forming material is formed, a stainless steel metal pipe, and a urea SCR exhaust gas treatment device, the catalyst-c...
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WO/2023/017841A1 |
One aspect of the present invention is a method for producing a compound represented by general formula (1), the method being characterized by including a step for mixing and reacting ethylene, a compound represented by general formula (...
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WO/2023/015890A1 |
The present invention discloses a denitration catalyst coating material for a non-road field, comprising the following components in percentage by mass: 40-85% of silicon dioxide, 10-50% of titanium dioxide, 0-20% of aluminum oxide, and ...
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WO/2023/017771A1 |
A supported metal catalyst is provided which has excellent utilization efficiency of active metal particles. This supported metal catalyst is provided with a carrier, which is an aggregate of conductive particles, and active metal part...
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WO/2023/018487A1 |
A layered catalyst reactor system and process for hydrotreatment of hydrocarbon feedstocks. The layered catalyst system reactors comprise vertical bed layers including a demetallization catalyst layer, multiple layers of supported hydrot...
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WO/2023/016311A1 |
A sludge-ash-modified titanium oxide-biochar composite photocatalyst, a preparation method therefor and an application thereof. The composite photocatalyst comprises titanium oxide, sludge ash and porous biochar, wherein the porous bioch...
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WO/2023/016706A1 |
The present invention relates to a catalytic bed for the production of phthalic anhydride by oxidation of o-xylene and/or naphthalene. The catalytic bed comprises at least four layers of vanadium and titanium mixed oxide (VTiO) catalyst,...
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WO/2023/013419A1 |
The present invention provides: a radial flow-type reactor in which temperature unevenness is less likely to occur even when an endothermic reaction is performed, pressure loss is small, and maintenance work is easily performed; and a me...
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WO/2023/013207A1 |
This porous composite comprises a porous substrate and a porous trapping layer (3) that is provided to a trapping surface of the substrate. The trapping layer (3) includes particles that accumulate within pores of the trapping surface. W...
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WO/2023/011117A1 |
The present invention provides an adsorbent and a preparation method therefor, a method for purifying hexamethylenediamine, and a method for preparing organic diamine and a device used therein. The adsorbent comprises a carrier and surfa...
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WO/2023/011875A1 |
A method of depolymerizing plastic waste using a doped silica catalyst is described herein. The method provides with high efficiency a high quality liquid depolymerization product which can be used as cracker feedstock.
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WO/2023/010175A1 |
A highly crystalline mesoporous sulphur functionalized carbon nitride and a process for producing the same. The process including the steps of: providing a carbon nitride precursor material; mixing the carbon nitride precursor material w...
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WO/2023/013985A1 |
The present invention provides a ruthenium-based nano-catalyst for a hydrogen generation reaction, a preparation method therefor, a hydrogen generation electrode, and a water electrolysis system, wherein the nano-catalyst has excellent c...
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WO/2023/006867A1 |
A process for the catalytic decomposition of nitrous oxide N2O in a gas mixture obtained in the preparation of nitric acid by catalytic oxidation of ammonia, in a reactor which contains in this order in the flow direction a noble metal g...
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WO/2023/005143A1 |
The present invention provides a two-dimensional supramolecular compound synthesized on the basis of 1,3,5-tri(4-carbonylphenyloxy)benzene, a preparation method therefor, and an application thereof. The method comprises adding 1,3,5-tri(...
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WO/2023/007192A1 |
A method for preparing an atomically dispersed metal catalyst, comprising: depositing atomically dispersed metal onto a support by magnetron sputtering to directly form a catalyst comprising metal particles, with mean diameter up to 1 nm...
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WO/2023/006686A1 |
The invention relates to a composition which is: - a composition C1 which is based on Al and Ce in the form of oxides; or - a composition C2 which is based on Al, Ce and La in the form of oxides. with the following proportions: - the pro...
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WO/2023/009259A1 |
Catalyst compositions and processes for making and using same. The catalyst composition can include catalyst particles. The catalyst particles can include 0.001 wt% to 6 wt% of Pt and up to 10 wt% of a promoter that can include Sn, Cu, A...
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WO/2023/008320A1 |
[Problem] The purpose of the present invention is to provide: a catalyst carrier base that includes a beam-shaped flat part which extends to a winding core and in which a hole is formed, wherein fatigue failure of the beam-shaped flat pa...
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WO/2023/001642A1 |
Method for preparing a catalyst comprising a nickel active phase and an alumina support, said catalyst comprising between 1% and 50% by weight of elemental nickel relative to the total weight of the catalyst, the nickel being distributed...
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WO/2023/002772A1 |
The present invention provides a novel exhaust gas purification catalyst having improved performance for purifying HC and CO in a rich atmosphere. The exhaust gas purification catalyst disclosed in the present invention comprises a subst...
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WO/2023/002177A1 |
The present invention provides an oxygen evolution reaction catalyst, wherein the oxygen evolution reaction catalyst is an oxide material comprising iridium, tantalum and ruthenium: wherein the oxygen evolution catalyst comprises a cryst...
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WO/2023/001641A1 |
The invention relates to a method for preparing a catalyst comprising an active nickel phase and an alumina support, said catalyst comprising between 1 and 50% by weight of elemental nickel with respect to the total weight of the catalys...
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WO/2023/001521A1 |
A novel nickel-based steam reforming catalyst comprising hibonite and potassium beta-alumina with improved resilience, improved activity, reduced potassium leaching and reduced coking problems. It also regards a method for producing the ...
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WO/2023/002172A1 |
Photocatalytic water-splitting processes are described using an aqueous solution of at least one neutral salt, where the process is conducted at a temperature of 200-400°C. When compared with conventional photocatalytic water-splitting ...
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WO/2023/001639A1 |
The invention relates to a method for preparing a catalyst comprising a nickel-based active phase and an alumina support, comprising the following steps: - shaping and performing a particular heat treatment of an alumina gel; - addition ...
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WO/2023/002765A1 |
[Problem] To provide a photocatalyst unit that makes it possible to efficiently irradiate a photocatalyst with UV light and improve the fluid cleaning effect of the photocatalyst, that can be reduced in thickness and size as a photocatal...
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WO/2023/002183A1 |
The present invention provides an oxygen evolution reaction catalyst, wherein the oxygen evolution reaction catalyst is an oxide material comprising iridium and tantalum; wherein the oxygen evolution reaction catalyst comprises a crystal...
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WO/2023/003225A1 |
Disclosed are a dry reforming catalyst having high activity and long-term stability, and a preparation method of the dry reforming catalyst. Silica particles having pores are formed by performing a sol-gel reaction on the surface of a mi...
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WO/2023/285829A1 |
A method of washcoating a porous ceramic substrate, the method comprising: (i) pre-treating the substrate to form a pre-treated substrate;(ii) contacting the pre-treated substrate with a washcoat composition, wherein the washcoat composi...
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WO/2023/285793A1 |
The invention relates to catalysts comprising palladium on a support in which the palladium is distributed in the support as an eggshell. The palladium surface area is at least 150 m2/gPd. A method for manufacturing such catalysts involv...
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WO/2023/286845A1 |
This water splitting system 10 is a Z-scheme water splitting system comprising water, a photocatalyst 12 for oxygen generation which is brought into contact with the water, and a photocatalyst 14 for hydrogen generation which is brought ...
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WO/2023/285794A1 |
A method of manufacturing a catalyst article, the method comprising: providing an anionic complex comprising a PGM and a carboxylate ion; providing a support material; applying the anionic complex to the support material to form a loaded...
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WO/2023/286803A1 |
In the invention, a reaction tube comprises at least one first reaction tube and at least one second reaction tube. The first reaction tube comprises: a multi-layered structure tube that is formed from a cylindrical non-porous layer and ...
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WO/2023/285198A1 |
A process for preparing an alcohol by a Guerbet self-condensation reaction in the gas phase. The process comprises the steps of: a) providing a primary or secondary alcohol, wherein the primary or secondary alcohol has at least one p-hyd...
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WO/2023/283687A1 |
A photoelectrode including a substrate including a semiconductor, the substrate having a light receiving side and a back side that is opposite to the light receiving side; a thin metal layer on the back side of the substrate; and a catal...
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WO/2023/288266A1 |
A dehydrogenation catalyst and its use in dehydrogenation of hydrocarbons. The catalyst has low cracking activity and comprises gallium or gallium and platinum on an essentially non-acidic and amorphous alumina-phosphate or silica-alumin...
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WO/2023/280720A1 |
The present invention refers to a process for converting a feed gas stream comprising carbon monoxide and hydrogen as major components (synthesis gas) into higher (C3+) alcohols making use of a catalyst combination of a Fischer-Tropsch c...
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WO/2023/279150A1 |
The present disclosure relates to particulate catalysts having one or more supported active metals, preferably nickel, supported on a porous metal oxide comprising SiO2. The present disclosure also relates to methods of preparing the par...
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WO/2023/278967A1 |
Disclosed is a process for photocatalytic sterilization. Components of the photocatalytic sterilization system introduces the preparation of a core photocatalyst material, such as nano-TiO2, and a selection of a light source emitting lig...
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WO/2023/274269A1 |
The present invention belongs to the field of material preparation and environment, and particularly relates to a noble metal-loaded covalent organic framework composite material, and a preparation method therefor. The components of the ...
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WO/2023/278963A1 |
A process for regenerating spent catalyst by combusting coke and fuel gas together in the presence of enriched oxygen restores activity to the catalyst to bring back to adequate activity level while reducing or obviating the need for the...
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WO/2023/275128A1 |
The present invention relates to a NOx adsorber diesel oxidation catalyst (NA-DOC) for the treatment of an exhaust gas, the catalyst comprising: a substrate comprising an inlet end, an outlet end, a substrate axial length extending from ...
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WO/2023/272412A1 |
Disclosed in the present invention are a metal ion-doped tin disulfide nanoflower and an application thereof in piezoelectric catalytic degradation of pollutants. A metal salt is placed in a precursor solution containing a tin source and...
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WO/2023/273274A1 |
Disclosed are a carbonyl sulfide hydrolysis catalyst and a preparation method therefor. The carbonyl sulfide hydrolysis catalyst is prepared by means of a raw material comprising the following components: 60-85 parts by weight of γ-Al2O...
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WO/2023/274939A1 |
A structured catalyst for catalyzing an endothermic reaction of a feed gas to convert it to a product gas is provided.
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WO/2023/277161A1 |
Provided are: a production method enabling easy and efficient production of a catalyst having a structure in which a metal oxide is coated with a polymer; and a catalyst. The present invention is a production method that is for a catal...
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WO/2023/272795A1 |
The present invention relates to preparation of a catalyst, and in particular to a preparation method fora TiO2-supported copper catalyst and an application. The preparation method for the TiO2-supported copper catalyst comprises the fol...
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WO/2023/273670A1 |
The present invention relates to the field of catalytic materials and provides a carbon-based methanol hydrogen-production catalyst, a preparation method therefor, and an application thereof. In the method provided in the present inventi...
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