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WO/2021/249900A1 |
The present invention relates to a three-way catalyst (TWC) for treatment of exhaust gases from internal combustion engines operated with a predominantly stoichiometric air/fuel ratio, so called spark ignited engines.
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WO/2021/251105A1 |
Provided is a catalyst carrying base material that achieves both the suppression of an increase in pressure loss and an improvement in purification performance during a cold start. The present invention is characterized in that in a ca...
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WO/2021/250613A1 |
A supported non-oxidative alkane dehydrogenation catalyst and a method for making and using the same is disclosed. The supported non-oxidative alkane dehydrogenation catalyst can include a vanadium oxide, a rare earth metal oxide, an alk...
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WO/2021/252452A1 |
Methods of producing gold-palladium catalysts suitable for use in the production of vinyl acetate may include drying the catalyst after the incorporation of a promoter at higher temperatures (e.g., 160°C or greater) to restructure the m...
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WO/2021/245333A1 |
The present invention relates to a novel method of applying a photocatalyst coating, in which compressed is produced by means of a compressor, treatment substance is mixed into the compressed air in an air-atomizing or ultrasound-atomizi...
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WO/2021/245255A1 |
The present invention pertains to a process for obtaining a metal or metalloid oxide porous material containing metal or metalloid nanoparticles selectively dispersed within the pores. This invention is also directed to the material thus...
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WO/2021/245375A1 |
The present disclosure relates to a method for forming a catalyst article comprising: (a) forming a slurry having a solids content of up to 50 wt% by mixing together at least the following components a crystalline molecular sieve in an H...
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WO/2021/245923A1 |
A semiconductor device 100 comprises: a semiconductor layer 2 that is disposed on the surface of a substrate 1, and in which an oxidation reaction and a reduction reaction occur when irradiated with light; an oxide catalyst layer 3 that ...
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WO/2021/243936A1 |
Disclosed are a sphere-like super-macroporous mesoporous material, a polyolefin catalyst, and a preparation method therefor and an olefin polymerization process. A sphere-like super-macroporous material has a two-dimensional hexagonal or...
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WO/2021/239846A1 |
The present invention relates to a calcined shaped alumina and to a method of preparing a calcined shaped alumina. The method comprises that the alumina in the alumina suspension is hydrothermally aged to have a specific crystallite size...
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WO/2021/240591A1 |
A method for producing a nitride semiconductor photocatalyst thin film 1 that causes an oxidation-reduction reaction by exerting a catalytic function upon irradiation of light, wherein: an n-type gallium nitride layer 12 is formed on the...
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WO/2021/241551A1 |
A metal-supporting nonwoven fabric is provided which enables efficiently synthesizing a target substance when used as a flow reaction catalyst. This metal-supporting nonwoven fabric includes metal particles and a nonwoven fabric that inc...
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WO/2021/239641A1 |
The present invention relates to a process for preparing carboxylic acids by oxidizing primary alcohols in the liquid phase in the presence of ruthenium dioxide as a catalyst.
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WO/2021/239497A1 |
Disclosed is a method for preparing a catalyst comprising a nickel-based active phase and an alumina carrier, which method includes the following steps: (a) impregnating said carrier with a volume V1 of a butanol solution representing be...
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WO/2021/243282A1 |
A catalyst composition includes a metal catalyst dispersed in a molten eutectic mixture of alkali metal or alkaline earth metal carbonates or hydroxides. A process for the catalytic cracking of hydrocarbons includes contacting in a react...
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WO/2021/239903A1 |
The present invention is related to an iron-free supported catalyst for the selective conversion of hydrocarbons to carbon nanotubes, said catalyst comprising cobalt and vanadium as active catalytic metals in any oxidation state on a cat...
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WO/2021/240590A1 |
A nitride semiconductor photocatalyst thin film 1 according to this embodiment demonstrates a catalyst function when irradiated with light, and causes an oxidation/reduction reaction. The nitride semiconductor photocatalyst thin film 1 h...
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WO/2021/242129A1 |
The present invention relates to modified industrial inorganic pigments based on semiconductor metal oxides selected from TiO2, the crystalline form of anatase or rutile, or ZnO which have a micrometric dimension and a surface decorated ...
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WO/2021/241094A1 |
Provided is an electrode material, in which an iridium species is used in a reduced amount, and which can exhibit a high activity for use as a catalyst for an anode in a water electrolysis cell and has excellent durability. An electrode ...
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WO/2021/239491A1 |
The invention relates to a method for preparing a catalyst comprising a nickel-based active phase and an alumina support, comprising the following steps: - impregnating the support with a volume of a butanol solution of between 0.2 and 0...
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WO/2021/239483A1 |
A shaped catalyst body for heterogeneously catalyzed reactions of organic compounds in the gas-phase in fixed-bed reactors, containing an element from group 3 to 12 of the Periodic Table of the Elements, and having a three-lobed structur...
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WO/2021/239904A1 |
A dry formulation obtained by desiccation of an emulsion comprises at least one surfactant, at least one lipophilic compound, and at least one metal catalyst. The dry formulation may be used to carry out a catalysed reaction in an aqueou...
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WO/2021/239496A1 |
Disclosed is a method for preparing a catalyst containing nickel and copper, the method comprising the following steps: - impregnating the porous carrier with a volume of a butanol solution of between 0.2 and 0.8 times the total pore vol...
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WO/2021/235326A1 |
To provide a light-driven fuel cell having excellent power generation characteristics. A light-driven fuel cell comprises a cathode, an anode, and a proton permeation membrane between the cathode and the anode. The anode is provided wi...
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WO/2021/232751A1 |
Porous CoO/CoP nanotubes, a preparation method therefor, and the use thereof as a hydrogen evolution reaction catalyst. The present invention belongs to the technical field of Co-based nanotube materials. A cobalt salt as a metal source ...
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WO/2021/235443A1 |
The present invention discloses a reaction system which comprises: a reforming device that is provided with a reaction tube and a reforming catalyst for the generation of carbon monoxide from a starting material gas that contains a hydro...
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WO/2021/231111A1 |
Various processes for preparing C4 aldoses and/or ketones thereof are described. Various processes are described for preparing C4 aldoses and/or ketones thereof from feed compositions comprising glycolaldehyde. Also, various processes fo...
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WO/2021/231500A1 |
The present disclosure is directed to a capture device comprising air capture substrates suitable for use treatment of a fluid by removal of a material present in the fluid by absorption, adsorptions, sequestering, containment, and/or by...
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WO/2021/227382A1 |
Provided is a method for preparing Ir@NBD-C, i.e. an efficient hydrogen evolution reaction (HER) catalyst. The method comprises: mixing a defective carbon substrate with deionized water until uniform; then adding iridium trichloride hydr...
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WO/2021/227079A1 |
The present invention provides a method for producing urea by means of energy radiation. The method comprises enabling a nanostructured catalyst to contact at least one type of carbon-containing source, at least one type of nitrogen-cont...
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WO/2021/227078A1 |
Provided in the present invention is a method for producing ammonia by means of radiation, the method comprises causing a nanostructured catalyst to come into contact with at least one nitrogen-containing source and at least one hydrogen...
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WO/2021/230118A1 |
A columnar honeycomb structure having: a peripheral wall; and a porous partition wall that is provided inside the peripheral wall and forms a plurality of partitioned cells penetrating from one end face to another end face to form flow p...
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WO/2021/231089A1 |
Various processes for the pyrolysis of carbohydrates to prepare products such as glycolaldehyde are described. Also, various catalysts and processes for preparing catalysts useful for carbohydrate pyrolysis are described.
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WO/2021/224246A1 |
A catalyst comprising transition metal nanoparticles, stabilizing ligands, and a support material, wherein at least a portion of the stabilizing ligands are adsorbed on the surface of the transition metal nanoparticles such as to form st...
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WO/2021/224362A1 |
The present invention relates to a catalyst, which comprises * a catalyst support with a first end a and a second end b, and length L, * a material zone A containing a platinum group metal on a substrate with a load of 40 to 150g/l, rela...
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WO/2021/224358A1 |
A method for manufacturing a filter, the method comprising: providing a porous ceramic filter; applying a liquid cement coating on the porous ceramic filter, the liquid cement coating comprising titanium dioxide (TiO2) particles; perform...
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WO/2021/224691A1 |
Catalysts for the hydrogenolysis of butane are described. A supported catalyst for hydrogenolysis of butane to ethane can include a support and a catalytic crystalline bimetallic composition that can include a molybdenum-iridium (Mo-Ir) ...
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WO/2021/224536A1 |
The invention relates to a method consisting in depositing a decontaminating coating of a semiconductor such as TiO2 on the surface of a substrate of activated carbon in the form of grain or powder that acts by means of an advanced oxida...
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WO/2021/225665A1 |
The invention relates to a composition containing an oxide supported oxidative coupling of methane catalyst having an excellent balance of catalytic activity and selectivity while retaining desired levels mechanical stability suitable fo...
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WO/2021/223289A1 |
Provided are a cylindrical porous carrier and a method for preparing same, and a catalyst and the application thereof. A carrier layer (2) of the cylindrical porous carrier is configured to be corrugated or honeycomb-shaped, such that th...
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WO/2021/223250A1 |
Disclosed are a three-dimensional electrode based on tetratitanium heptoxide catalyst particles, and an application thereof in wastewater treatment, belonging to the technical field of three-dimensional electrochemical water treatment. T...
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WO/2021/223597A1 |
The invention pertains to the field of catalysts. Disclosed is a method for preparing an oxygen reduction catalyst employing graphite of a negative electrode of a waste battery. The method comprises the following steps: (1) recovering gr...
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WO/2021/225395A1 |
Provided are alloy nanoparticles, a method for forming the alloy nanoparticles, and an alloy nanocatalyst comprising the alloy nanoparticles. The alloy nanoparticles are formed by a method comprising the steps of: forming a multi-metal c...
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WO/2021/224171A1 |
Disclosed is a selective hydrogenation catalyst comprising an active phase containing a group VIB metal and a group VIII metal, and a porous support containing alumina, the group VIB metal content being between 1 and 18 wt. % relative to...
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WO/2021/223559A1 |
The present invention relates to the technical filed of catalyst preparation, and provides a sulfur-resistant and water-resistant manganese-based low-temperature denitration catalyst and a preparation method therefor. The catalyst compri...
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WO/2021/224692A1 |
Bulk catalysts comprised of oxides of nickel, molybdenum, tungsten and titanium and methods for synthesizing bulk catalysts are provided. The catalysts are useful for hydroprocessing, particularly hydrodesulfurization and hydrodenitrogen...
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WO/2021/223251A1 |
The present invention provides a metal oxide nano-confined catalytic film for catalytic treatment of wastewater and a method for preparation thereof, belonging to the technical field of wastewater treatment. In the present invention, ano...
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WO/2021/224173A1 |
Disclosed is a hydrotreatment catalyst comprising an active phase containing at least one group VIB metal and at least one group VIII metal, and a porous carrier containing alumina and at least one MAl2O4 spinel where M is selected from ...
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WO/2021/225254A1 |
The present invention relates to a catalyst in which a catalytic metal is supported on a support including a single-crystalline hexagonal material, and a preparation method therefor, wherein the catalyst can be effectively used in ammoni...
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WO/2021/224172A1 |
Disclosed is a selective hydrogenation catalyst comprising an active phase based on nickel and molybdenum, and a porous carrier made of alumina and/or nickel aluminate, characterized in that the molar ratio of nickel to molybdenum is gre...
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