B01J37/0221

HIGHLY ACTIVE METAL OXIDE SUPPORTED ATOMICALLY DISPERSED PLATINUM GROUP METAL CATALYSTS
20220305465 · 2022-09-29 ·

A nanocatalyst including single atoms of platinum dispersed on a nanoscale metal oxide, and the nanocatalyst comprises 0.01 wt % to 1 wt % platinum. Preparing the nanocatalyst includes combining a solution comprising a nanoscale metal oxide and a compound containing a Group 10 metal to yield a mixture, aging the mixture for a length of time, filtering the mixture to yield a solid, washing the solid to eliminate water soluble anions, and calcining the solid to yield a nanocatalyst including single atoms or clusters of atoms of the Group 10 metal on the nanoscale metal oxide.

METHOD OF DEVELOPMENT AND USE OF CATALYST-FUNCTIONALIZED CATALYTIC PARTICLES TO INCREASE THE MASS TRANSFER RATE OF SOLVENTS USED IN ACID GAS CLEANUP
20170232380 · 2017-08-17 ·

The present invention relates to methods for improving carbon capture using entrained catalytic-particles within an amine solvent. The particles are functionalized and appended with a CO.sub.2 hydration catalyst to enhance the kinetics of CO.sub.2 hydration and improve overall mass transfer of CO.sub.2 from an acid gas.

SILICON CARBIDE POROUS BODY, HONEYCOMB STRUCTURE, ELECTRICALLY HEATED CATALYST, AND METHOD OF MANUFACTURING SILICON CARBIDE POROUS BODY

A silicon carbide porous body contains β-SiC particles, Si particles, and metal silicide particles. The maximum particle diameter of the β-SIC particles is not smaller than 15 μm. The content of the Si particles is not lower than 10 mass %. The maximum particle diameter of the Si particles is not larger than 40 μm. Further, an oxide coating film having a thickness not smaller than 0.01 μm and not larger than 5 μm is provided on surfaces of the Si particles.

HIGH-PERFORMANCE POLYOXOMETALATE CATALYST AND METHOD OF PREPARING THE SAME

The present invention relates to a high-performance polyoxometalate catalyst and a method of preparing the same. More particularly, the present invention provides a high-performance polyoxometalate catalyst, the activity and selectivity of which may be improved by controlling the content of vanadium and the like and which has superior reproducibility and may unsaturated carboxylic acid from unsaturated aldehyde in a high yield for a long time, a method of preparing the same, and the like.

Process for the preparation of an additive comprising supported and dispersed TiO2 particles

Process for the preparation of an additive comprising TiO.sub.2 particles dispersed on a support of pseudo-layered phyllosilicate-type, comprising the dispersion in water of the support, the acid activation of the support and the high-shear dispersion of the support with the TiO.sub.2 particles Use of the particles obtained by this process as additives with photocatalytic activity for water purification and disinfection, for purification of polluted gas streams and to provide materials, in particular construction materials, with self-cleaning, biocide, deodorization and/or pollution reduction properties in the presence of air and ultraviolet light.

METAL CARBIDE BASED CATALYST AND METHOD OF MAKING

A method for making a metal carbide based catalyst for crude oil cracking includes mixing a clay with a phosphorous based stabilizer material to obtain a liquid slurry; adding an aluminosilicate zeolite and an ultrastable Y zeolite to the liquid slurry; adding Al.sub.2Cl(OH).sub.5 to the liquid slurry; adding metal carbide particles, having a given diameter, to the liquid slurry to obtain a mixture; and spray drying the mixture to obtain the metal carbide based catalyst. The metal carbide particles are coated with the aluminosilicate zeolite and the ultrastable Y zeolite.

PROCESS FOR MODIFYING A HETEROGENEOUS CATALYST WITH AN ORGANOMETALLIC COMPOUND, A HETEROGENEOUS CATALYST AND SYSTEM THEREOF

The present disclosure relates to a process and system for modifying heterogeneous catalysts by contacting them with chemical compounds. Specifically, the present disclosure relates to an easy and convenient process for surface functionalizing of a heterogeneous catalyst such as polymetallic catalyst including bimetallic catalyst by employing precursor of inorganic compound, wherein the precursor is organometallic compound and wherein the inorganic compound includes but is not limited to a metal based inorganic compound such as aluminium oxide. The present disclosure thus provides for easy and convenient process and system for surface modification/functionalization of heterogeneous catalysts by employing precursor of inorganic compound at conditions including but not limiting to room temperature and atmospheric pressure.

PREPARATION METHOD FOR ROD-SHAPED MOLYBDENUM OXIDE AND PREPARATION METHOD FOR MOLYBDENUM OXIDE COMPOSITE
20170216819 · 2017-08-03 ·

The present specification relates to a preparation method for rod-shaped molybdenum oxide and a preparation method for a molybdenum oxide composite, the preparation method for rod-shaped molybdenum oxide according to the present invention may be carried out under low temperature and pressure conditions, and thus has an advantage in that it is possible to mass produce rod-shaped molybdenum oxide, and the preparation method for a molybdenum oxide composite according to the present invention has an advantage in that the molybdenum oxide composite may be synthesized at a temperature which is equal to or less than the boiling point of ethanol, and the amount of an ethanol solvent used is reduced.

Method for producing photocatalyst and photocatalyst filter for air cleaning

Disclosed is a method for producing a photocatalyst for air cleaning. The present production method comprises the steps of: preparing titanium dioxide (TiO.sub.2); attaching platinum to a surface of the titanium dioxide; and attaching fluoro to the platinum-attached surface of the titanium dioxide to obtain surface-modified titanium dioxide.

SINGLE-STEP CONVERSION OF N-BUTYRALDEHYDE TO 2-ETHYLHEXANAL

Disclosed is a method of making and using a titania supported palladium catalyst for the single step synthesis of 2-ethylhexanal from a feed of n-butyraldehyde. This titania supported palladium catalyst demonstrates high n-butyraldehyde conversion but also produces 2-ethylhexanal in an appreciable yield with maintained activity between runs. This method provides a single step synthesis of 2-ethylhexanal from n-butyraldehyde with a catalyst that can be regenerated that provides cleaner downstream separations relative to the traditional caustic route.