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WO/2023/209334A1 |
A method of treating exhaust gas from a lean burn internal combustion engine is disclosed. The method comprises: introducing ammonia or an ammonia precursor into the exhaust gas upstream of an Fe-SCR catalyst, the Fe-SCR catalyst compris...
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WO/2023/206835A1 |
The present invention belongs to the technical field of catalyst preparation, and discloses a cross-linked norbornene copolymer/carbon black three-dimensional network immobilized bimetallic copper/gold nano-catalyst, and a preparation me...
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WO/2023/203203A1 |
The present invention relates to a catalyst for the selective catalytic reduction of NOx comprising a substrate having an inlet end, an outlet end, a substrate axial length extending from the inlet end to the outlet end and a plurality o...
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WO/2023/205289A1 |
A three-way catalyst for reduced palladium loading is provided. The catalyst includes an inert substrate and a palladium catalyst material coating the substrate. The palladium catalyst material includes a support material formed from one...
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WO/2023/201394A1 |
The invention provides a method of oxidising an inorganic amine to nitrate, the method comprising: contacting an aqueous solution comprising at least one inorganic amine selected from ammonia and haloamine with a titanium dioxide photoca...
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WO/2023/198617A2 |
The present invention relates to multimetallic alloy nanoparticles and to processes for its preparation, and in particular to multimetallic alloy nanoparticles, comprising a solid solution comprising three or more transition metals, wher...
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WO/2023/197423A1 |
A blocky metal organic framework material, and a preparation method therefor and the use thereof. The preparation method for the blocky metal organic framework material comprises: mixing raw materials comprising metal oxide nanoparticles...
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WO/2023/200015A1 |
The present invention provides: iron phosphide nanoparticles which are stable in the atmosphere, and in which iron atoms are in a low valence state; a method for producing the iron phosphide nanoparticles; and a reduction catalyst. The p...
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WO/2023/197558A1 |
The present invention relates to the technical field of petrochemical, and disclosed are an oil modification catalyst and a preparation method therefor, an oil modification method, and an oil adsorptive desulfurization modification syste...
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WO/2023/194140A1 |
Polyurethane rigid foams containing at least one phosphorous ester-based flame retardant are returned to the value chain by hydrogenating the polyurethane rigid foam, to obtain a hydrogenation product containing a polyamine and a polyol ...
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WO/2023/194809A1 |
The present invention relates to a catalyst for light olefins production from catalytic cracking of hydrocarbon having 4 to 7 carbon atoms, wherein said catalyst has core-shell structure comprising zeolite core selected from ferrierite, ...
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WO/2023/193343A1 |
A catalyst for synthesizing dimethyl carbonate by means of methanol oxidative carbonylation and a preparation method for and an application of the catalyst. A carrier of the catalyst is a porous carbon-nitrogen material, and an active co...
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WO/2023/194805A1 |
An exhaust gas treatment system includes in order: an intake for receiving an exhaust gas from a lean burn combustion engine; an injector for the provision of a nitrogenous reductant; a close-coupled vanadium-containing SCR catalyst comp...
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WO/2023/193430A1 |
A method for preparing isosorbide, relating to the technical field of fine chemical industry, and comprising molecular sieve cleaning, molecular sieve modification, active substance adsorption and calcination, and isosorbide synthesis. A...
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WO/2023/187129A1 |
The present disclosure relates to a zoned and partitioned catalyst article (1), in preferred embodiments comprising platinum group metal (PGM) elements, such as platinum (Pt) and palladium (Pd), and porous support materials such as alumi...
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WO/2023/190230A1 |
According to an aspect of the present invention, provided is a photocatalyst member comprising a photocatalyst layer formed on a base material via a foundation layer, the photocatalyst member being characterized in that the foundation la...
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WO/2023/186521A1 |
Catalyst consisting of an active phase of palladium and zinc, and a porous alumina support, the palladium content being between 0.01% and 2% by weight of palladium element relative to the total weight of the catalyst, the zinc content be...
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WO/2023/187508A1 |
Shaped catalyst compositions and methods for making and using the shaped catalyst compositions are provided. In an exemplary a catalyst active phase includes a MoVTeTaOx catalyst. The composition also includes a support phase, wherein th...
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WO/2023/187509A1 |
Shaped catalyst compositions and methods for making and using the shapped catalyst compositions are provided. In an exemplary a catalyst active phase includes a MoVTeNbOx catalyst. The composition also includes a support phase, wherein t...
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WO/2023/191214A1 |
The present embodiments can provide a nano-hybrid catalyst and a method for manufacturing same. The nano-hybrid catalyst comprises: a two-dimensional platinum (Pt) nanodendritic sheet layer having a controlled crystal plane; and a NiFe d...
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WO/2023/191442A1 |
The present invention relates to a porous composite structure catalyst comprising a porous substrate and a catalyst coating layer, wherein the catalyst coating layer comprises: a porous support including meso-pores; and a composite catal...
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WO/2023/191257A1 |
The present invention relates to a composite catalyst, and to a composite catalyst comprising: a porous support comprising mesopores; and gold nanoparticles impregnated in the pores of the porous support, wherein the radial distribution ...
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WO/2023/191491A1 |
A fine dust removal device using natural wind according to the present invention disclosed comprises: a main body that has an air inlet formed on one side and an air outlet formed on the other side, is formed of a thermally conductive ma...
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WO/2023/189172A1 |
The present disclosure provides technology for suppressing waviness of the loading width of a catalyst metal-loaded part in an exhaust gas purification catalyst. The production method disclosed herein comprises: preparing a base material...
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WO/2023/185208A1 |
The present invention relates to the field of direct coal liquefaction, and discloses a catalyst coal-oil slurry and a preparation method therefor, a direct coal liquefaction method, and use. The method comprises: mixing an oil-soluble m...
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WO/2023/187668A1 |
Composite microparticles, each of which comprises a respective titanate microparticle, selected from BaTiO3, SrTiO3 and a combination thereof, and a further component selected from the group consisting of: Ag, Cu, SnO2, ZnO, W, WO3, Au, ...
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WO/2023/190447A1 |
This method for producing a transition metal nanoparticle carrier includes: a step (I) for obtaining a mixture by mixing a polymeric organic compound, one or more types of a transition metal oxide or one or more types of a transition met...
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WO/2023/190652A1 |
Provided are: a method for producing an olefin dimer, said method containing a step for performing a dimerization reaction on an olefin containing a C4-10 olefin in the presence of an olefin dimerization catalyst which contains a compoun...
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WO/2023/179110A1 |
Disclosed is a method for synthesizing polyethylene polyamine under catalysis, wherein monoethanolamine and ethylenediamine are used as main raw materials, and are subjected to hydroamination under the action of a catalyst so as to obtai...
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WO/2023/179036A1 |
The present invention relates to a composite oxide, the composite oxide comprising 60-95 wt% of aluminum oxide and 5-40 wt% of titanium dioxide. The specific surface area of the composite oxide determined by means of BET method is expres...
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WO/2023/182399A1 |
Provided is a resin hydrogenation catalyst that satisfies the demand for a highly active catalyst. The resin hydrogenation catalyst has nickel supported on a carrier comprising a mixture of diatomaceous earth and an inorganic compound....
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WO/2023/182282A1 |
[Problem] To realize Z scheme-type water splitting by means of a photocatalyst with a simple configuration. [Solution] This water splitting apparatus 3 comprises a photocatalyst panel 7 and a reaction container 9 for performing a water s...
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WO/2023/182481A1 |
Provided is an exhaust gas purification catalyst comprising: a substrate provided with inflow-side cells, outflow-side cells, and porous partition walls; a first catalytic layer; and a second catalytic layer and a third catalytic layer i...
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WO/2023/180460A1 |
The present invention discloses a catalytically active composition comprising a crystalline aluminosilicate zeolite having the CHA framework type, wherein the zeolite has a SAR value of between 7 and 25, a copper content of between 3.0 a...
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WO/2023/177975A1 |
In one aspect, the disclosure relates to a method for oxidizing alkanes to produce industrially useful solvents and other compounds. In a further aspect, the method includes the steps of contacting an alkane or mixture of alkanes with a ...
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WO/2023/175155A1 |
Lignocellulosic starting materials can be converted into one or more liquid phases and/or an aqueous phase and a hydrocarbon phase in a process by subjecting a mixture of a lignocellulosic starting material, an amorphous and unsupported ...
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WO/2023/175166A1 |
A process is disclosed for liquefying solid biomass by a catalytic process, and an organic liquefaction product obtained by the process.
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WO/2023/173352A1 |
A method for preparing a carbon nanotube by catalytic cracking of methanol or propylene. An aluminum oxide titanium carrier (γ-Al2O3-TiO2) is activated by ammonium carbonate and a hydrogen peroxide solution, and then a transition metal ...
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WO/2023/174923A1 |
The present invention relates to a continuous process for preparing chlorine and a production unit for carrying out said process. The present invention further relates to a monolithic catalyst for preparing chlorine, the use of said cata...
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WO/2023/173347A1 |
The present invention discloses a microspherical catalyst synthesis method, which relates to the field of catalysts. The microspherical catalyst synthesis method comprises: (1) preparing a metal salt solution having a concentration of 1 ...
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WO/2023/171539A1 |
A silicon carbide honeycomb filter having: honeycomb segments having partition walls that form cells defining a plurality of flow paths, plugging parts that alternately seal the end surfaces of the cells in a checkered pattern, and outer...
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WO/2023/170562A1 |
The present invention relates to a process for converting a gas comprising NH3 into dihydrogen and dinitrogen in the presence of a cold plasma, preferably a plasma generated by dielectric barrier discharge (DBD), and of a catalyst compri...
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WO/2023/168799A1 |
The present invention provides a preparation method for a carbon catalyst with a highly open hierarchical pore structure, comprising: dissolving a carbon precursor and a double-salt templating agent in an alkali solution, and then stirri...
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WO/2023/170560A1 |
The present invention relates to a method for converting a gas or a gas mixture comprising methane (CH4), according to the CH4 reforming reactions (DRM or SRM), characterised in that it is carried out in the presence of cold plasma and a...
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WO/2023/171540A1 |
The present invention provides a silicon carbide honeycomb filter which comprises: honeycomb segments, each of which has partition walls that define cells which form a plurality of flow channels that extend in the axial direction between...
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WO/2023/171694A1 |
Provided in an embodiment is a core-shell type heterogeneous catalyst provided with a core 1 and a shell 2 positioned on the outside of the core 1, wherein the shell 2 contains a metal complex structure 3 containing a Josiphos ligand.
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WO/2023/170275A1 |
The invention relates to a method (100) for manufacturing a photocatalytic multicomponent fiber, comprising the following steps: providing a support mixture (110) comprising at least one thermoplastic polymer; providing an active mixture...
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WO/2023/171793A1 |
Provided is a catalyst that is used in a gas phase catalytic oxidation reaction or a gas phase catalytic ammoxidation reaction of propane or isobutane. The catalyst comprises catalyst particles having a composite metal oxide and a carrie...
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WO/2023/171528A1 |
The present invention provides an exhaust gas purification catalyst which is provided with an NOx absorption layer and which has excellent NOx purification performance. The disclosed exhaust gas purification catalyst comprises a substrat...
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WO/2023/171823A1 |
This denitrification catalyst structure includes: a rectangular frame body having a gas inflow port and a gas outflow port; a plurality of sheets of plate-like catalytic elements each having an edge present on a gas inflow side, an edge ...
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