Abstract: This invention relates to core-shell nanoparticles having acid sites, a method of manufacturing the same, and a method of directly producing hydrogen peroxide using the same.

Abstract: A pyrolyzed MOF catalyst for in the carbon dioxide reduction reaction and methods of making the catalyst. The catalysts are composed of highly porous transition metal organic frameworks exhibiting large pores with regular distribution of transition metals within the structure.

Abstract: Alumina products containing a fine particle size component and a coarse particle size component, and with specific particle size characteristics and irregular and non-spherical particle shapes, are disclosed. These alumina products can be used in polymer formulations to produce composites having high isotropic thermal conductivity.

Abstract: The present disclosure provides a method for producing an exhaust gas purifying catalyst, in which fine Rh—Pd particles exhibiting high catalytic activity are produced such that a variation in the Pd composition can be reduced. The present disclosure relates to a method for producing an exhaust gas purifying catalyst having fine composite metal particles containing Rh and Pd, comprising: preparing a starting material solution containing Rh and Pd, in which the atomic percentage of Pd to the total of Rh and Pd is 1 atomic % to 15 atomic %; and allowing the prepared starting material solution to react with a neutralizer by a super agitation reactor having a rotation number of 500 rpm or more, to generate fine composite metal particles.

Abstract: There is provided a planar structural body 1 comprising a fibrous carbon nanohorn aggregate 2 in which a plurality of single-walled carbon nanohorns are aggregated in a fibrous state, and particularly the planar structural body in which a globular carbon nanohorn aggregate 3 is mixed is used. The planar structural body comprising such a fibrous carbon nanohorn aggregate can be used for electrode materials for lithium ion batteries, fuel cells, capacitors, electrochemical actuators, air cells, solar cells, and the like, and can be used also for electromagnetic shields, thermoconductive sheets, heat-dissipating sheets, protecting sheets, filters and absorbing materials.

Abstract: The present invention provides a catalyst product comprising of (a) porous acidic clay material and (b) binder and matrix to shape the catalyst to either microspheres, pellet, tablet, extrudate and ring and suitable for enhancing the crack-ability of heavy feed material derived from atmospheric and vacuum distillation bottoms; FCC bottoms, coker bottoms and hydrocracker bottoms. The invention particularly relates to a catalyst cum heat supply product suitable for thermal coking process either in a batch mode or continuous coking process.

Abstract: Products derived from and methods of micelle templating that allow for orthogonal control over structural features.

Abstract: Oxidative dehydrogenation catalysts for converting lower paraffins to alkenes such as ethane to ethylene when prepared as an agglomeration, for example extruded with supports comprising slurries of Nb2O5.

Abstract: Disclosed is a method of manufacturing a membrane-electrode assembly for fuel cells. The method includes (a) admixing a metal catalyst, an ionomer and a first dispersion solvent to prepare a first admixture, (b) heat treating the first admixture prepared in (a) to form an ionomer-fixed metal catalyst, and (c) immersing the ionomer-fixed metal catalyst formed in (b) in a solvent, wherein the solvent in (c) may include one or more selected from the group consisting of ethanol, propanol, and isopropyl alcohol. The membrane-electrode assembly for fuel cells manufactured by the method may have substantially improved durability.

Abstract: The present disclosure discloses the preparation and application of magnetic metallic oxide cross-linked acidic polyionic liquid, belonging to the technical field of solid acid catalysis. The catalyst prepared by the present disclosure has good Lewis acid site and Brönsted acid site, and has the characteristics of high speed, high efficiency, environment friendliness and the like when catalyzing preparation of furfural from xylose. The catalyst has the advantages of easy separation, multiple cycles of recycling and the like, and is green and pollution-free. The magnetic metal oxide cross-linked acidic polyionic liquid prepared by using the present disclosure has the characteristics of high speed, high efficiency, environment friendliness and the like when catalyzing preparation of furfural from xylose, and meanwhile, the catalyst has the advantages of easy separation, multiple cycles of recycling and the like, and is green and pollution-free.

Abstract: The present disclosure relates to a method and an apparatus for manufacturing a core-shell catalyst, and more particularly, to a method and an apparatus for manufacturing a core-shell catalyst, in which a particle in the form of a core-shell in which the metal nanoparticle is coated with platinum is manufactured by substituting copper and platinum through a method of manufacturing a metal nanoparticle by emitting a laser beam to a metal ingot, and providing a particular electric potential value, and as a result, it is possible to continuously produce nanoscale uniform core-shell catalysts in large quantities.

Abstract: A catalytic composition is disclosed, which exhibits an X-ray amorphous oxide with a spinel formula, and crystals of ZnO, CuO, and at least one Group VIB metal oxide, and preferably, at least one acidic oxide of B, P, or Si, as well. The composition is useful in oxidative processes for removing sulfur from gaseous hydrocarbons.

Abstract: Catalysts, particularly nanocatalysts, useful for converting carbon dioxide into desired conversion products, such as sustainable chemicals and fuels. The nanocatalysts may comprise at least one nanoparticle having a main component and a secondary component, wherein at least one of the main component and the secondary component facilitates the conversion of carbon dioxide. The present disclosure also relates to methods for preparing the nanocatalysts described herein and methods of using the same.

Abstract: A unique crystalline transition metal molybdotungstate material has been developed. The material may be sulfided to generate metal sulfides which are used as a catalyst in a conversion process such as hydroprocessing. The hydroprocessing may include hydrodenitrification, hydrodesulfurization, hydrodemetallation, hydrodesilication, hydrodearomatization, hydroisomerization, hydrotreating, hydrofining, and hydrocracking.

Abstract: Disclosed is a method for preparing a carbon-supported metal oxide and/or alloy nanoparticle catalyst. According to the method, a carbon-supported metal oxide and/or alloy nanoparticle catalyst is prepared by depositing metal oxide and/or alloy nanoparticles on a water-soluble support and dissolving the metal oxide and/or alloy nanoparticles deposited on the water-soluble support in an anhydrous polar solvent containing carbon dispersed therein to support the metal oxide and/or alloy nanoparticles on the carbon. The anhydrous polar solvent has much lower solubility for the water-soluble support than water and is used to dissolve the water-soluble support.

Abstract: The present invention relates to a composition comprising triethylene glycol disorbate and triethylene glycol monosorbate, at a disorbate to monosorbate weight-to-weight ratio of from 19:1 to 99:1. The composition of the present invention is useful as a low VOC coalescent in coatings formulations.

Abstract: A method for scaled-up synthesis of PtNi nanoparticles. Synthesizing a Pt nanoparticle catalyst comprises the steps of: synthesizing PtNi nanoparticles, isolating PtNi/substrate nanoparticles, acid leaching the PtNi/substrate, and annealing the leached PtNi/substrate nanoparticles, and forming a Pt-skin on the PtNi/substrate nanoparticles.

Abstract: A method of synthesizing three-dimensional (3D) reduced graphene oxide (RGO) foams embedded with water splitting nanocatalysts includes providing a first solution containing nickel (II) nitrate, a second solution containing iron (III) nitrate, and a graphene oxide (GO) aqueous suspension; mixing the GO aqueous suspension with the first solution and the second solution to form a GO-Ni—Fe mixture; adjusting a pH value of the GO-Ni—Fe mixture to be about 3.5; and performing hydrothermal reaction in the GO-Ni—Fe mixture to form RGO-Ni—Fe foams, wherein nanocatalysts containing Ni-Fi oxide particles are embedded in porous structures of the 3D RGO foams.

Abstract: This application discloses a mesoporous catalyst formed by combining a matrix precursor treated with a polyphosphate, and a metallic oxide treated with a cationic electrolyte. The combined treatment with the polyphosphate and cationic polyelectrolyte yields unexpected improvements in attrition resistance, while maintaining high overall pore volume, even as the ratio of meso pore volume to macro pore volume of the formed FCC catalyst increases.

Abstract: The invention relates to electrocatalysts comprising a carbonitride (CN) shell featuring good electrical conductivity, coordinating suitable catalytically active sites. In a preferred aspect of the invention, the aforesaid carbonitride shell coordinates nanoparticles or aggregates of nanoparticles, on which the active sites of the electrocatalyst are located. In a preferred form of the invention, said carbonitride shell covers suitable cores with good electrical conductivity. Said electrocatalysts are obtained through a process involving the pyrolysis of suitable precursors; in one aspect of the invention, the preparation process requires certain further steps. In one preferred aspect, the steps comprise one or more of the following: chemical treatments; electrochemical treatments; further pyrolysis processes.