Abstract: The cathode catalyst for a fuel cell of the present invention includes M-Co-Ch where M is at least one metal selected from the group consisting of Ru, Rh, Pd, Os, Ir, Pt, and combinations thereof, and Ch is at least one element selected from the group consisting of S, Se, Te, and combinations thereof. The cathode catalyst of the present invention has high activity and excellent selectivity for reduction of an oxidant, and is capable of improving performance of a membrane-electrode assembly for a fuel cell, a fuel cell system including the same, and a membrane-electrode assembly including the same.

Abstract: The invention relates to a method and a catalyst for removal of nitrogen oxides in a flue gas from a combustion engine or gas turbine by injecting a reducing agent and reducing the nitrogen oxides in the presence of a catalyst. The catalyst is a zeolite based catalyst on a corrugated monolithic substrate, the substrate has a density of 50-300 g/l and a porosity of at least 50%. The monolithic substrate is a paper of high silica content glass or a paper of E-glass fiber with a layer of diatomaceous earth or a layer of titania, and the catalyst is a Fe-? zeolite.

Abstract: Ceramic catalyst carriers that are mechanically, thermally and chemically stable in a ionic salt monopropellant decomposition environment and high temperature catalysts for decomposition of liquid high-energy-density monopropellants are disclosed. The ceramic catalyst carrier has excellent thermal shock resistance, good compatibility with the active metal coating and metal coating deposition processes, melting point above 1800° C., chemical resistance to steam, nitrogen oxides and acids, resistance to sintering to prevent void formation, and the absence of phase transition associated with volumetric changes at temperatures up to and beyond 1800° C.

Abstract: A method of producing a crude product from a hydrocarbon feed is provided. A hydrocarbon feed is contacted with a catalyst containing a Col. 6-10 metal or compound thereof to produce the crude product, where the catalyst has a pore size distribution with a median pore diameter ranging from 105 ? to 150 ?, with 60% of the total number of pores in the pore size distribution having a pore diameter within 60 ? of the median pore diameter, with at least 50% of its pore volume in pores having a pore diameter of at most 600 ?, and between 5% and 25% of its pore volume in pores having a pore diameter between 1000 ? and 5000 ?.

Abstract: Biheteroaryl metal complexes and the use thereof as bleach catalysts are described.

Abstract: A catalyzed diesel particulate filter (CDPF) and a method for filtering particulates from diesel engine exhaust are provided, where the catalyzed diesel particulate filter includes a substrate and a catalyst composition, where the catalyst composition contains at least one first component, at least one second component, and at least one third component, where the first component is at least one first component selected from the group consisting of cerium and a lanthanide and mixtures thereof, the at least one second component is selected from the group consisting of cobalt, copper, manganese and mixtures thereof; and the third component comprises strontium, where the first component, the second component, and the third component are in an oxide form after calcination. The catalyst on the catalyzed diesel particulate filter lowers the temperature at which particulates are removed from the CDPF by oxidizing the particulates on the filter. The catalyzed diesel particulate filter may also include a washcoat.

Abstract: Bis(hydroxyquinoline)-metal complexes and the use thereof as bleach catalysts are described.

Abstract: The present invention provides a catalyst which can sufficiently remove nitrogen oxides in an exhaust gas. The catalyst for removing nitrogen oxides to achieve an object of the present invention includes a monolithic support which is coated with a lower layer containing a catalytic component A comprising cerium oxide and an upper layer containing a catalytic component B comprising at least one kind of metal selected from a group consisting of copper, manganese, iron, cobalt and nickel or a compound thereof, and zeolite.

Abstract: Disclosed herein is a method for manufacturing a catalyst. The catalyst includes a mesoporous support and a plurality of metal nanoparticles dispersed and positioned in the mesopores of the mesoporous support. The method comprises the steps of: (a1)) allowing an organometallic precursor to be in contact with a mesoporous support, in which the organometallic precursor includes at least one material selected from the group consisting of ruthenium-containing compound, rhodium-containing compound and palladium-containing compound; and (a2) reducing the organometallic precursor in the presence of a supercritical fluid with a reductant, so that the organometallic precursor is reduced to the metal nanoparticles.

Abstract: An exhaust gas purifying catalyst (1) is composed of: a noble metal (2); a first compound (3); and a second compound (4). The noble metal (2) is supported on the first compound (3). The exhaust gas purifying catalyst (1) includes units having a structure in which the first compound (3) supporting the noble metal (2) is surrounded by the second compound (4), and the first compound (3) supporting the noble metal (2) is isolated from one another by the second compound (4). The noble metal (2) is one or more selected from [Pt, Pd and Rh], the first compound (3) contains Ti as a main component, and the second compound (4) contains, as a main component, one or more selected from [Al and Si].

Abstract: A bi-laterally surfaced substrate in which the first surface consists of one or more than one of cerium oxide, aluminum oxide, tin oxide manganese oxide, copper oxide, cobalt oxide, nickel oxide, praseodymium oxide, terbium oxide, ruthenium, rhodium, palladium, silver, iridium, platinum and gold and the second surface consists of one or more than one of ruthenium, rhodium, palladium, silver, iridium, platinum and gold and micro channel micro component reactors including such substrates in a predetermined formed shape and methods for making the same utilizing a thermal spray on one side and a physical deposition process on the other side.

Abstract: This invention is directed to catalysts for dehydrogenating primary alcohols. Catalysts comprising a metal support comprising (a) from about 2% to about 30% by weight copper, and (b) at least about 50% by weight non-copper metal selected from the group consisting of nickel, zinc, tin, cobalt, iron and combinations thereof; and a copper-containing coating are described.

Abstract: Provided are a non-pyrophoric water gas shift reaction catalyst including: an oxide carrier composed of zirconium oxide (ZrO2) and at least one selected from yttrium oxide (Y2O3) and cerium oxide (CeO2); and platinum (Pt) and cerium (Ce) that are supported on the oxide carrier, a method of preparing the same, and a fuel processor including the non-pyrophoric water gas shift reaction catalyst.

Abstract: Provided a compound catalyst allowing for substitution of a rare noble metal such as platinum, palladium and the like or reduction of costs associated with the use thereof. According to the present invention, the oxidation-reduction characteristics thereof may be controlled and catalytic effects similar to those of a noble metal or a transition metal complex may be exhibited by controlling the valence electron concentration of a compound to change the electronic occupation number of the d-band and maintaining the electronic state at the Fermi level of the electronic state identical to a noble metal or a transition metal complex.

Abstract: A metal fiber based on one or several elements from the group of platinum, palladium, rhodium, ruthenium, and iridium with 0 to 30% by weight of one or several additional alloy elements from the group of nickel, cobalt, gold, rhenium, molybdenum, and tungsten, contains 1 to 500 ppm by weight of boron or phosphorus. A non-woven material or netting, in particular for the production of nitrogen oxide or for the production of hydrocyanic acid, is made of such fibers. For the production of fibers based on noble metals having up to 30% by weight of additional alloy metals by drawing the fibers from a melt, the melting point of the metal is reduced by at least 400 ° C., before drawing of the fibers, by additionally alloying with boron or phosphorus, and the boron or the phosphorus is removed again from the fibers.

Abstract: Described is a metal oxide support material nanoscaled iron-platinum group metal particles having a particle size in the range of 0.5 to 10 nm, wherein at least 70% of all nanoscaled iron-platinum group metal particles are located on an outside surface layer of the metal oxide support material, and wherein the outside surface layer has an average volume of less than 50% based on the total volume of the metal oxide support material. Additionally, described is a process for the preparation of such metal oxide support material comprising nanoscaled iron-platinum group metal particles. Furthermore, described is the use of metal oxides containing nanoscaled iron-platinum group metal particles as catalysts, for example as a diesel oxidation catalyst for the treatment of exhaust gas emissions from a diesel engine.

Abstract: An environment-friendly porous bead-satellite nanoparticles composite which has excellent recovery and repeated usage performance and can be used as a catalyst, an antiviral agent, or an antimicrobial, and a fabrication method thereof are provided. The porous bead-satellite nanoparticles composite includes a porous bead, a molecule having a first end coupled to the surface of the porous bead and including a functional group at a second end, and satellite nanoparticles coupled to the functional group, wherein the porous bead may have a core-shell structure including a cluster core of nanoparticles and a porous bead shell covering the cluster core.

Abstract: The invention relates to a process for manufacturing a catalyst support, in which one or more fibres are fed into a mould, said fibre having a diameter in the range of 5-300 microns, and a length over diameter ratio greater than 500. The body in the mould is compressed and then contacted with a mixture comprising a liquid and a carrier material. The liquid is removed from the wetted body to provide a catalyst support comprising an entangled fibre and carrier material. A catalyst can be made using the same process and additionally adding a catalytically active metal with the mixture comprising a liquid and a carrier material. Alternatively a catalyst can be made using the process for manufacturing a catalyst support followed by impregnation with a catalytically active metal.

Abstract: The invention relates to a method of preparing a reforming catalyst comprising a group VIII metal, a halogen, at least one metal selected from the group made up of the group VIIB metals and group IVA metals, a refractory oxide support. The method comprises stages of preparing a dry impregnation aqueous solution containing ammonia, either in solution or in gas form and a complexing agent, of aging the aqueous solution, of dry impregnation of the support, of maturing the impregnated support, of drying and of calcination.

Abstract: A nanostructure includes a plurality of metal nanoblades positioned with one edge on a substrate. Each of the plurality of metal nanoblades has a large surface area to mass ratio and a width smaller than a length. A method of storing hydrogen includes coating a plurality of magnesium nanoblades with a hydrogen storage catalyst and storing hydrogen by chemically forming magnesium hydride with the plurality of magnesium nanoblades.

Abstract: Structural catalyst bodies are described herein which, in some embodiments, can be used in the treatment of nitrogen oxides present in exhaust or flue gases from stationary or mobile combustion sources. In some embodiments, a structural catalyst body described herein comprises an outer peripheral wall and a plurality of inner partition walls having an average thickness less than about 0.5 mm, the outer peripheral wall and the inner partition walls having dispersed throughout a chemical composition comprising 50-99.9% by weight an inorganic oxide composition, less than 3% by weight an inorganic extrusion aid and at least 0.1% by weight a catalytically active metal functional group comprising vanadium, the structural catalyst body having a crystalline vanadium pentoxide content less than 0.1 weight percent.

Abstract: A process for producing a catalyst comprising the steps of contacting a support with a mixed metal precursor comprising tin oxalate, a second metal precursor, a solubilizing agent such as ammonium oxalate, and water to form an impregnated support and heating the impregnated support under conditions effective to remove at least a weight majority of the water and reduce the tin from the tin oxalate and the second metal from the second metal precursor and thereby form the catalyst.

Abstract: A method for manufacturing a catalyst support, includes, in the following order, the steps of: (a) shaping a non-sintered porous ceramic base support; (b) depositing, on at least part of the surface of the non-sintered porous ceramic base support, a suspension of ceramic powder in a solvent or a mixture of solvents so as to form an interface layer able to increase the surface area of the base support; (c) sintering the base support, at least partially coated with the suspension. This method allows to economically and rapidly manufacture catalyst supports, and especially burners for fragrance diffuser.

Abstract: A method for converting a supported metal nitrate into the corresponding supported metal oxide comprises heating the metal nitrate to effect its decomposition under a gas mixture that contains nitrous oxide and has an oxygen content of <5% by volume. The method provides very highly dispersed metal oxide on the support material. The metal oxide is useful as a catalyst or as a catalyst precursor.

Abstract: An oxidation catalyst comprises an extruded solid body comprising: 10-95% by weight of at least one binder/matrix component; 5-90% by weight of a zeolitic molecular sieve, a non-zeolitic molecular sieve or a mixture of any two or more thereof; and 0-80% by weight optionally stabilized ceria, which catalyst comprising at least one precious metal and optionally at least one non-precious metal, wherein: (i) a majority of the at least one precious metal is located at a surface of the extruded solid body; (ii) the at least one precious metal is carried in one or more coating layer(s) on a surface; (iii) at least one metal is present throughout the extruded solid body and in a higher concentration at a surface; (iv) at least one metal is present throughout the extruded solid body and in a coating layer(s) on a surface; or (v) a combination of (ii) and (iii).

Abstract: In the catalyst for purifying a combustion exhaust gas containing nitrogen oxides, 50 wt. % or greater of the amount of Ru and/or Ir to be supported is adjusted to fall within a depth of 150 ?m from the surface layer of a substrate; and the catalyst is prepared by immersing the substrate in a metal colloid solution of Ru and/or Ir to be supported or an aqueous solution containing at least one compound selected from compounds of Ru and/or Ir to be supported.

Abstract: A catalyst composition can include: a support; a ruthenium catalyst (Ru) nanoparticle; and a linker linking the Ru nanoparticle to the support, wherein the linker is stable under hydrogenolysis conditions. In one aspect, the linker can include 3-aminopropyl trimethoxysilane (APTS) or derivatives thereof, such as those with amine functionality. In another aspect, the linker can include phosphotungstic acid (PTA) or other similar solid acid agents. In another aspect, the support can be selected from alumina, carbon, silica, a zeolite, TiO2, ZrO2, or another suitable material. A specific example of a support includes zeolite, such as a NaY zeolite. The Ru nanoparticle can have a size range from about 1 nm to about 25 nm, and can be obtained by reduction of Ru salts.

Abstract: A catalyst layer includes (i) an electrocatalyst, and (ii) a water electrolysis catalyst, iridium or iridium oxide and one or more metals M or an oxide thereof, wherein M is selected from transition metals and/or Sn, with the exception of ruthenium. Such a catalyst layer has utility in fuel cells that experience high electrochemical potentials.

Abstract: A multimetallic nanoscale catalyst having a core portion enveloped by a shell portion and exhibiting high catalytic activity and improved catalytic durability. In various embodiments, the core/shell nanoparticles comprise a gold particle coated with a catalytically active platinum bimetallic material. The shape of the nanoparticles is substantially defined by the particle shape of the core portion. The nanoparticles may be dispersed on a high surface area substrate for use as a catalyst and is characterized by no significant loss in surface area and specific activity following extended potential cycling.

Abstract: In one embodiment, a layered catalyst including a surface axis includes a catalyst material layer, and a substrate material layer contacting the catalyst material layer, the catalyst material layer including a compressed atomic distance between two adjacent catalyst atoms along the surface axis relative to an atomic distance of the same catalyst material as in bulk, and the substrate material having a higher surface energy than the catalyst material. In certain instances, at least 70 percent of total atoms of the catalyst material are in a film growth mode. In certain other instances, a surface free energy of the substrate material is 1 to 50 percent greater than a surface free energy of the catalyst material. In yet certain other instances, the catalyst material layer has a d-band center in a range of ?2.1 eV to ?2.25 eV.

Abstract: Compositions, and methods of making thereof, comprising from about 1% to about 5% of a perfluorinated sulfonic acid ionomer or a hydrocarbon-based ionomer; and from about 95% to about 99% of a solvent, said solvent consisting essentially of a polyol; wherein said composition is substantially free of water and wherein said ionomer is uniformly dispersed in said solvent.

Abstract: A layered heterostructured coating has functional characteristics that enable the controlled release of volatile agents. The coating has photocatalytic properties, since it uses titanium dioxide, its derivatives or materials with similar photocatalytic properties (2), which upon solar irradiation open and/or degrade nano or microcapsules (3) and subsequently releases in a controlled form the volatile agents contained in them.

Abstract: The invention provides an exhaust gas purification catalyst comprising one or more catalyst coating layers having platinum and/or palladium with rhodium supported on a carrier, characterized in that the (platinum and/or palladium)/rhodium weight ratio is 1.0 or less.

Abstract: A catalyst and its use for the abatement of carbon monoxide and unburned hydrocarbons in the exit stream of a combustion device, such as an automobile and spray paint booths are disclosed.

Abstract: A catalyst including active particles that have a core including a first metal oxide, and a shell including an alloy of a second metal with a reduction product of the first metal oxide; a method of preparing the catalyst; a fuel cell including the catalyst; an electrode for lithium air battery that includes the active particles; and a lithium air battery including the electrode.

Abstract: A CO2 reforming catalyst composition includes a hydroxyl group-containing porous oxide, and a composite porous catalyst supported by a porous supporter. The composite porous catalyst includes a catalyst metal.

Abstract: A layered electrocatalyst for oxidizing ammonia, ethanol, or combinations thereof, comprising: a carbon support integrated with a conductive metal; at least one first metal plating layer at least partially deposited on the carbon support, wherein the at least one first metal plating layer is active to OH adsorption and inactive to a target species, and wherein the at least one first metal plating layer has a thickness ranging from 10 nanometers to 10 microns; and at least one second metal plating layer at least partially deposited on the at least one first metal plating layer, wherein the at least one second metal plating layer is active to the target species, and wherein the at least one second metal plating layer has a thickness ranging from 10 nanometers to 10 microns, forming a layered electrocatalyst.

Abstract: Embodiments include metal (102) containing composites (100) and methods of forming metal containing composites. A metal containing composite can be formed by contacting an oxide support surface (104) with coordination compounds having metal atoms for a first predetermined time, where the metal atoms of the coordination compounds deposit on the oxide support surface; contacting the oxide support surface with a first reagent for a second predetermined time; and contacting the first reagent with a second reagent for a third predetermined time, where the first reagent and the second reagent react to form another layer of the oxide support surface.

Abstract: Provided is a catalyst composition, in particular a diesel oxidation catalyst, for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC), and carbon monoxide (CO). More particularly, the present invention is directed to a catalyst structure comprising at least two, specifically three distinct layers, at least one of which contains an oxygen storage component (OSC) that is present in a layer separate from the majority of the platinum group metal (PGM) components, such as palladium and platinum.

Abstract: The invention is directed to a process for the hydrogenation of unsaturated triglycerides in the presence of a supported precious metal catalyst and hydrogen, in which process a precious metal catalyst is used, comprising an aggregate of solid support, precious metal nano particles and surfactant or polymer.

Abstract: A procedure for obtaining mixed multimetallic oxides derived from hydrotalcite type compounds, characterized in that the laminar metallic hydroxides obtained are constituted by three or four metallic cations, forming part of the sheets of the hydrotalcite type material represented by the formula: [M(II)1?x?y?zM(II)?xM(III)yM(III)?z(OH)2](An?y+z/n).mH2O. by a process comprising: (1) preparing an aqueous or organic solution containing three or more cations; (2) preparing an alkaline solution; (3) slowly combining solutions (1) and (2) to cause the co-precipitation of the cations in the form of hydroxides; (4) washing the precipitate containing the hydrotalcites with water, until removal of the non-precipitated ions; (5) drying; and (6) calcining the hydrotalcites.

Abstract: Presented are one or more aspects and/or one or more embodiments of catalysts, methods of preparation of catalyst, methods of deoxygenation, and methods of fuel production.

Abstract: In one embodiment, a catalyst composition comprises from about 5 weight percent to about 70 weight percent of silica-alumina; from about 30 weight percent to about 90 weight percent alumina; and from about 0.01 weight percent to about 2.0 weight percent of a group VIII metal. In another embodiment, a method for processing hydrocarbons comprises hydro-treating the hydrocarbons in the presence of a catalyst composition, wherein the catalyst comprises from about 5 weight percent to about 70 weight percent silica-alumina; from about 30 weight percent to about 90 weight percent alumina; and from about 0.01 weight percent to about 2.0 weight percent of a group VIII metal.

Abstract: The present invention relates to a catalyst composition for preparing carbon nanotube and a process for preparing carbon nanotube using the same. More particularly, this invention relates to a process for preparing carbon nanotube by the chemical vapor deposition method through the decomposition of lower saturated or unsaturated hydrocarbons using a multi-component metal catalyst composition containing active metal catalyst from Co, V, Al and inactive porous support. Further, the present invention affords the carbon nanotube having 5˜30 nm of diameter and 100˜10,000 of aspect ratio in a high catalytic yield.

Abstract: A catalyst system to be used in an automobile exhaust gas purification apparatus which exerts excellent purification capability to a nitrogen oxide, even when hydrocarbon concentration varies, by subjecting exhaust gas discharged from an automotive internal engine to contacting with a catalyst, an exhaust gas purification apparatus using the same, and an exhaust gas purification method. A catalyst system etc.

Abstract: An eggshell catalyst useful for a Fischer-Tropsch (FT) synthesis or other reactions comprises a homogeneously dispersed transition metal and a promoter situated in an active phase in a precisely selected outer region of a catalyst pellet. The active phase region is controlled to a specific depth, which permits the control of the catalysts selectivity, for example, the size of the hydrocarbon chains formed in the FT process. A method of preparing these eggshell catalysts involves a non-aqueous synthesis where polar and non-polar solvents of relatively low vapor pressure are employed to define the depth of penetration of metal species in a refractory oxide substrate, which is followed by fixing and activating metallic catalytic species in the structure by calcination of the catalyst particles.

Abstract: Provided is a method of manufacturing porous metal oxide, the method including: preparing a metal-organic framework (MOF) wherein an ion of a metal to be used as a catalyst is linked to an organic ligand; impregnating the MOF with a precursor solution of metal oxide to be manufactured; and thermally treating the metal oxide precursor solution-impregnated MOF to remove the organic ligand. The inventive method of manufacturing porous metal oxide involves the impregnation of a metal oxide precursor solution in a MOF wherein metal ions are uniformly linked to organic ligands and the thermal treatment (calcination) of the metal oxide precursor solution-impregnated MOF to remove the organic ligands.

Abstract: A method of producing an alumina-supported cobalt catalyst for use in a Fischer-Tropsch synthesis reaction, which comprises: calcining an initial ?-alumina support material at a temperature to produce a modified alumina support material; impregnating the modified alumina support material with a source of cobalt; calcining the impregnated support material, activating the catalyst with a reducing gas, steam treating the activated catalyst, and activating the steam treated catalyst with a reducing gas.

Abstract: The present invention relates to a process for the preparation of chlorine by gas phase oxidation using a supported catalyst based on ruthenium, characterised in that the catalyst support has a plurality of pores having a pore diameter>50 nm and carries nanoparticles containing ruthenium and/or ruthenium compounds as catalytically active components.

Abstract: The invention concerns a novel process for the preparation of supported metallic catalysts in which the metallic phase is deposited in the form of agglomerates of nanoparticles of metallic oxide and forms a layer of fine thickness at the surface of the support. The process for the preparation of a catalyst comprises preparing in aqueous phase a colloidal suspension of agglomerates of nanoparticles of metallic oxide, then depositing that suspension on a porous support, drying the catalyst precursor obtained, and optionally calcining and reducing the precursor by means of any reducing compound. The invention also concerns the catalysts obtained by said process and their uses in reactions for the transformation of unsaturated organic compounds. The invention is applied to the refining field and more particularly to the treatment of gasolines obtained by steam cracking and/or obtained by catalytic cracking.