Abstract: A method of chlorinating a antimony fluorohalide catalyst is disclosed. In one embodiment the method comprises contacting an antimony fluorohalide catalyst that contains one or more fluorines with a regenerating agent chosen from 2-chloro-3,3,3-trifluoropropene (1233xf), 1,1,1,3-tetrachloropropane (250fb), 2-chloro-1,1,1,2-tetrafluoropropane (HCFC-244bb) and combinations of 1233xf, 250fb, and 244bb, under conditions effective to exchange at least one fluorine in the antimony fluorohalide catalyst with chlorine. The method can be used to regenerate spent antimony fluorohalide catalyst, for example regenerating SbCl5 from SbF5.

Abstract: The present invention relates to a hydrogenolysis process wherein a hydrocarbon-based feedstock comprising aromatic compounds having at least 8 carbon atoms is treated by means of a hydrogen feed and in the presence of a catalyst, in order to convert C2+ alkyl chains of said aromatic compounds into methyl groups and to produce a hydrogenolysis effluent enriched in methyl-substituted aromatic compounds, wherein the catalyst comprises a support, comprising at least one refractory oxide, and an active phase comprising nickel and molybdenum, wherein: the nickel content being between 0.1 and 25% by weight relative to the total weight of the catalyst; the molybdenum content being between 0.1 and 20% by weight relative to the total weight of the catalyst; and the catalyst comprising a molar ratio of molybdenum to nickel of between 0.2 and 0.9. The present invention also relates to said catalyst and to the process for preparing said catalyst.

Abstract: A bifunctional oxygen electrocatalyst, a preparation method and use thereof are disclosed. The bifunctional oxygen electrocatalyst is represented by A1-x-yBxCyO2, wherein element A is one selected from the group consisting of Pt, Ir, Ru, and Pd, and each of element B and element C is selected from the group consisting of Mo, Mn, Fe, Co, Ni, Cu and Zn; the bifunctional oxygen electrocatalyst is a three-dimensional porous foam sheet catalyst; optionally, the element B is the same as the element.

Abstract: The present invention combines the advantages of fabrication of semiconductor heterostructure (Ag3PO4—WO3) with plasmonic metals (Pt and Ag) with optical interference to optimize the visible light photo response of plasmonic metals deposited semiconductor (Pt—Ag/Ag3PO4—WO3) for visible light assisted H2 generation utilizing the aqueous bio-alcohols. Crystalline Ag3PO4 and WO3 nanofibers were synthesized by microwave and electrospinning methods. Three different WO3 nanofibers composition (5, 10 and 15 wt. %) were used to obtain Ag3PO4/WO3 nanocomposite heterostructures, which are effective visible light active photo catalysts. Further, a simple, enviro-friendly, and cost-effective biogenic synthesis method have been achieved using Salvia officinalis extract to decorate Pt and Ag metal nanoparticles on the surface of Ag3PO4—WO3 composites. Presence of bioactive agents in the extract are responsible for the Pt and Ag3PO4 reduction and for prevention of the Pt nanoparticles from aggregation in aqueous medium.

Abstract: A fuel cell electrode catalyst includes: catalyst metal particles containing at least one of platinum or a platinum alloy; and support particles supporting the catalyst metal particles. The crystallite size 2r obtained from an X-ray diffraction image of the catalyst metal particles is 3.8 nm or less, where r represents a crystallite radius of the catalyst metal particles obtained from the X-ray diffraction image. The amount of CO adsorption Y (mL/g-Pt) on the fuel cell electrode catalyst satisfies Y?40.386/r+1.7586.

Abstract: A powder material for an air electrode in a solid oxide fuel cell, the powder material being a powder of a metal composite oxide having a perovskite crystal structure represented by: A11-xA2xBO3-?, where the element A1 is at least one selected from the group consisting of La and Sm, the element A2 is at least one selected from the group consisting of Ca, Sr, and Ba, the element B is at least one selected from the group consisting of Mn, Fe, Co, and Ni, x satisfies 0<x<1, and ? is an oxygen deficiency amount. The powder has a specific surface area of 20 m2/g or more, satisfies (Crystallite diameter/Specific surface area-based particle diameter)?0.3, and contains elements M in an amount of 300 ppm or less in terms of atoms, the elements M being other than the elements A1, A2 and B, and oxygen.

Abstract: The present disclosure provides an active material comprising a mixed metal oxide in a hydrotalcite derived rocksalt structure, a processes to convert paraffins to corresponding olefins and or heavier hydrocarbons using the active material, and a method of preparing the active material.

Abstract: A steam reforming catalyst that promotes production of hydrogen from a gas containing a hydrocarbon in the presence of steam includes a carrier and two or more catalyst metals supported on the carrier and including a first metal and a second metal. The first metal includes Ni, the second metal includes at least one of Co and Ru, and the carrier is represented by LaNbO4 or La1-xSrxNbO4 where x is in a range of 0<x?0.12.

Abstract: A material and method are provided for increasing catalytic activity of electrocatalysts. In use, a material comprises synthesized carbon-containing composite materials, synthesized metal-metal carbides, and a heterostructure material comprising the synthesized carbon-containing composite materials and the synthesized metal-metal carbides. The synthesized metal-metal carbides are atom-decorated, at least in part, on the synthesized carbon-containing composite material. Additionally, a method of increasing catalytic activity of an electrocatalyst includes dissolving a metal precursor into a first solution, where the metal precursor comprises a set of characteristics. A heterostructure material is created based on the first solution, wherein catalytic activity of the heterostructure material is a function of the set of characteristics, and wherein the heterostructure material includes a metal-metal carbide that is atom-decorated to synthesized carbon-containing composite materials.

Abstract: The present invention is directed to supported catalyst having utility in the polymerization and co-polymerization of epoxide monomers, said supported catalyst having the general Formula (I): [DMCC]*b Supp??(I) wherein: [DMCC] denotes a double metal cyanide complex which comprises a double metal cyanide (DMC) compound, at least one organic complexing agent and a metal salt; Supp denotes a hydrophobic support material; and, b represents the average proportion by weight of said support material, based on the total weight of [DMCC] and Supp, and is preferably in the range 1 wt. %?b?99 wt. %.

Abstract: A nanofibrous catalyst for in the electrolyzer and methods of making the catalyst. The catalysts are composed of highly porous transition metal carbonitrides, metal oxides or perovskites derived from the metal-organic frameworks and integrated into a 3D porous nano-network electrode architecture. The catalysts are low-cost, highly active toward OER, with excellent conductivity yet resistant to the oxidation under high potential operable under both acidic and alkaline environments.

Abstract: An isopoly-molybdic acid coordination polymer catalyst for manufacturing polycaprolactone and method of manufacturing the same are provided. It relates to a field of catalysts from polycaprolactone. The chemical formula of the isopoly-molybdic acid coordination polymer catalyst is [Cu2(trz)2(?-Mo8O26)0.5(H2O)2]. In the chemical formula, trz is 1,2,4-triazole negative monovalent anion, and [?-Mo8O26] is a ? type octamolybdate anion. This synthesis method offers higher yield with strong reproducibility. The resulting crystal products have higher purity. The isopoly-molybdic acid coordination polymer catalyst shows high catalytic activity towards the bulk ring-opening polymerization of caprolactone. The resulting polycaprolactone has a weight average molecular weight exceeding 50,000 and a narrow molecular distribution. The polycaprolactone has great potential in the application of low- to medium-temperature thermoplastic medical materials.

Abstract: A process for separating a catalyst component from a catalyst-containing slurry by centrifugation including separating the catalyst component from the mother liquor of the catalyst-containing slurry using a stacked disc centrifuge equipped with an auto-discharging functionality. The solids discharge from the stacked disc centrifuge is enhanced by adding a washing solution to the bowl and the solids discharge chute of the stacked disc centrifuge.

Abstract: A method for ammonia decomposition is disclosed. The method may comprise providing a catalyst comprising an alumina support and a layer adjacent to the support. The layer comprises a perovskite phase comprising aluminum, cerium, and lanthanum, an oxide of at least one of an alkali metal and a rare earth metal, and an active metal. The method may comprise bringing the catalyst in contact with ammonia at a temperature of from about 400° C. to 700° C. to generate a reformate stream comprising hydrogen and nitrogen at an ammonia conversion efficiency of at least about 70%. The method may further comprise directing the hydrogen to a fuel cell to generate electricity. The method may further comprise generating heat for a reformer comprising the catalyst by combustion of gases or by electricity generated from hydrogen.

Abstract: A cobalt catalyst precursor is described comprising cobalt oxide crystallites disposed within pores of a titania support, wherein the cobalt oxide crystallites have an average size as determined by XRD in the range 6 to 18 nm, and the titania support is a spherical titania support with a particle size in the range 100 to 1000 ?m, wherein the catalyst precursor has a pore volume of 0.2 to 0.6 cm3/g and an average pore diameter in the range 30 to 60 nm, and wherein the catalyst precursor has a ratio of the average cobalt oxide crystallite size to the average pore diameter in the range 0.1:1 to 0.6:1. The catalyst precursor may be reduced to provide catalysts suitable for use in Fisher-Tropsch reactions.

Abstract: The present disclosure relates to a bifunctional catalyst for manufacturing a hydrocarbon from carbon dioxide and hydrogen. The bifunctional catalyst includes a carbon composite including cobalt (Co) and nitrogen (N) atoms forming a coordinate bond with the cobalt, and metal particles which exhibit a catalytic activity for a Fischer-Tropsch synthesis reaction and which are dispersed on the inner pore surface and/or the outer surface of the carbon composite support, thus simultaneously promoting a reverse water gas shift reaction and the Fischer-Tropsch synthesis reaction.

Abstract: The present disclosure belongs to the technical field of electrocatalytic materials, and provides a graphitic carbon-doped and mixed crystal-type titanium dioxide nanotube composite for electrocatalysis, and a preparation method and use thereof. The composite for electrocatalysis includes a titanium substrate and a titanium dioxide nanomesh deposited on the titanium substrate, where the titanium dioxide nanomesh is woven from titanium dioxide nanowires; the titanium dioxide nanowires include anatase-type titanium dioxide nanowires and rutile-type titanium dioxide nanowires. The mixed crystal-type titanium dioxide phase improves a catalytic activity of the composite for electrocatalysis; meanwhile, the titanium dioxide nanowires are further loaded with graphitic carbon particles to improve an overall conductivity of the composite for electrocatalysis.

Abstract: Disclosed are novel supported nanoparticle compositions, precursors, processes for making supported nanoparticle compositions, processes for making catalyst compositions, and processes for converting syngas. The catalyst composition can comprise nanoparticles comprising metal oxide(s), such as manganese cobalt oxide. This disclosure is particularly useful for converting syngas via the Fischer-Tropsch reactions to make olefins and/or alcohols.

Abstract: Disclosed herein are an activated carbon catalyst for hydrogen peroxide decomposition, a preparation method thereof and a hydrogen peroxide decomposition method using the same. The activated carbon catalyst for hydrogen peroxide decomposition, provided in an aspect of the present invention may be easily prepared through the carbonization and activation of an ion exchange resin, and safer and higher decomposition efficiency of hydrogen peroxide may be achieved than the conventional catalyst for hydrogen peroxide decomposition through the control of the manganese content and pore properties in the catalyst.

Abstract: Disclosed is a method of preparing an intermetallic catalyst that includes irradiating ultrasonic waves to a precursor admixture including a noble metal precursor, a transition metal precursor, and a carrier to form core-shell particles including a transition metal oxide coating layer; the annealing the core-shell particles to form intermetallic particles including a transition metal oxide coating layer; and the removing the transition metal oxide coating layer from the intermetallic particles.