Patent classifications
B01J23/00
PROCESS FOR PRODUCING A FISCHER-TROPSCH SYNTHESIS CATALYST AND FISCHER-TROPSCH START-UP PROCESS
The present invention relates to a process for producing a Fischer-Tropsch synthesis catalyst wherein from 15 to 40 mol. % of the cobalt thereon is in the form of cobalt oxide. The present invention also relates to a start-up process for a reduced-and-passivated cobalt-containing Fischer-Tropsch catalyst, wherein from 15 to 40 mol. % of the cobalt thereon is in the form of cobalt oxide and the reduced-and-passivated catalyst is activated by contacting the catalyst with a syngas stream.
Two stage catalytic process for pyrolysis oil upgrading to btex
In accordance with one or more embodiments of the present disclosure, a multi-stage process for upgrading pyrolysis oil comprising polyaromatic compounds to benzene, toluene, ethylbenzene, and xylenes (BTEX) includes upgrading the pyrolysis oil in a slurry-phase reactor zone to produce intermediate products, wherein the slurry-phase reactor zone comprises a mixed metal oxide catalyst; and hydrocracking the intermediate products in a fixed-bed reactor zone to produce the BTEX, wherein the fixed-bed reactor zone comprises a mesoporous zeolite-supported metal catalyst.
Induction heating of endothermic reactions
A reactor system for carrying out an endothermic catalytic chemical reaction in a given temperature range upon bringing a reactant into contact with a catalyst material. The reactor system includes a reactor unit arranged to accommodate catalyst material including one or more ferromagnetic macroscopic supports susceptible for induction heating where the one or more ferromagnetic macroscopic supports are ferromagnetic at temperatures up to an upper limit of the given temperature range. The one or more ferromagnetic macroscopic supports are coated with an oxide, and the oxide is impregnated with catalytically active particles. The reactor system moreover includes an induction coil arranged to be powered by a power source supplying alternating current and being positioned so as to generate an alternating magnetic field within the reactor unit upon energization by the power source, whereby the catalyst material is heated to a temperature within the temperature range by the alternating magnetic field.
DEODORIZING CATALYST, SLURRY FOR FORMING DEODORIZING CATALYST, DEODORIZING CATALYST STRUCTURE, METHOD FOR PRODUCING DEODORIZING CATALYST STRUCTURE AND DEODORIZATION METHOD
The present invention relates a deodorizing catalyst including a copper-manganese-based composite oxide, zeolite, and activated carbon.
OXYGEN CARRIER PARTICLES HAVING METAL OXIDE-PEROVSKITE CORE-SHELL STRUCTURE AND CHEMICAL-LOOPING WATER/CARBON DIOXIDE THERMOCHEMICAL DECOMPOSITION PROCESS USING SAME
The present invention relates to: oxygen carrier particles having a metal oxide-perovskite core-shell structure; and a chemical-looping thermochemical water/carbon dioxide splitting process using the same. By using the oxygen carrier particles having a metal oxide-perovskite core-shell structure in the chemical-looping thermochemical water/carbon dioxide splitting process, it is possible to produce hydrogen/carbon monoxide from water/carbon dioxide in high yield by efficiently overcoming the disadvantages of conventionally used oxygen carrier particles.
Enhanced catalytic materials with partially embedded catalytic nanoparticles
Aspects of the present application provides for enhanced catalytic materials, which can feature multiple functional and/or catalytic species, and methods of their formation. The materials can include catalytic nanoparticles (NPs) partially embedded within a supporting matrix. Treatment of the material, e.g., thermal, optical, microwave, plasma, and/or chemical treatment, can lead to the formation of functionally, e.g., catalytic or co-catalytic, relevant chemical and structural/morphological species or features at the NP-matrix, NP-pore, and matrix-pore interfaces. The treated material is characterized by enhanced properties, e.g., greater mechanical stability.
Interior material having surface layer having visible light-responsive photocatalytic activity, and method for manufacturing same
The present invention provides: an interior material having a surface layer which has visible light-responsive photocatalytic activity and which contains two types of titanium oxide microparticles, the two types of titanium oxide microparticles comprising first titanium oxide microparticles, in which a tin component and a transition metal component for enhancing visible light responsiveness (excluding iron group components) are in solid solution, and second titanium oxide microparticles, in which an iron group component is in solid solution; and a method for manufacturing the interior material. The present invention makes it possible to provide an interior material in which visible light-responsive photocatalytic titanium oxide microparticles, which make it possible to easily produce a surface layer (photocatalyst thin film) having high transparency and expressing photocatalytic activity even in response to visible light (400-800 nm) only, are applied onto a surface, whereby it is possible to obtain, under indoor illumination, excellent photocatalytic properties such as an antimicrobial property and a property of breaking down chemical substances in indoor air without adversely affecting the design quality of the article in question.
METHOD FOR SYNTHESIZING AN ALKENOIC ACID
There is provided a method for synthesizing an alkenoic acid, in particular acrylic acid comprising the step of oxidizing an alkenyl alcohol in the presence of a metal oxide catalyst to form the alkenoic acid. The invention further provides a step of deoxydehydrating a polyol, including glycerol to obtain said alkenyl alcohol including an allyl alcohol.
MULTI-ZONED CATALYST SYSTEM FOR OXIDATION OF O-XYLENE AND/OR NAPHTHALENE TO PHTHALIC ANHYDRIDE
The present invention relates to a catalyst system for oxidation of o-xylene and/or naphthalene to phthalic anhydride (PA) comprising at least four catalyst zones arranged in succession in the reaction tube and filled with catalysts of different chemical composition wherein the active material of the catalysts comprise vanadium and titanium dioxide and the active material of the catalyst in the last catalyst zone towards the reactor outlet has an antimony content (calculated as antimony trioxide) between 0.7 to 3.0 wt. %. The present invention further relates to a process for gas phase oxidation in which a gas stream comprising at least one hydrocarbon and molecular oxygen is passed through a catalyst system which comprises at least four catalyst zones arranged in succession in the reaction tube and filled with catalysts of different chemical composition wherein the active materials of the catalysts comprise vanadium and titanium dioxide and the active material of the catalyst in the last catalyst zone towards the reactor outlet has an antimony content (calculated as antimony trioxide) between 0.7 to 3.0 wt. %.
NANO-SIZED FUNCTIONAL BINDER
Described are catalytic articles comprising a substrate having a washcoat on the substrate, the washcoat containing a catalytic component having a first average (D50) particle size and a functional binder component having a second average (D50) particle size in the range of about 10 nm to about 1000 nm, wherein the ratio of the first average (D50) particle size to the second average (D50) particle size is greater than about 10:1. The catalytic articles are useful in methods and systems to purify exhaust gas streams from an engine.