Abstract: A surface of a substrate comprising microcavities leading out of the substrate is placed in contact with an aqueous solution comprising a plurality of suspended particles and a fabric. Perpendicular pressure is applied the expanse of the substrate between the fabric and the surface of the substrate, and relative movement of the fabric and the surface is applied to the expanse of the substrate. At least one particle is thus fed into each microcavity, therein forming a porous material that is a catalyst material for nanothread or nanotube growth.

Abstract: There is provided a method for production of a conjugated diene from a monoolefin having four or more carbon atoms by a fluidized bed reaction. The method for production of a conjugated diolefin includes bringing a catalyst in which an oxide is supported on a carrier into contact with a monoolefin having four or more carbon atoms in a fluidized bed reactor in which the catalyst and oxygen are present, wherein the method satisfies the following (1) to (3): (1) the catalyst contains Mo, Bi, and Fe; (2) a reaction temperature is in the range of 300 to 420° C.; and (3) an oxygen concentration in a reactor outlet gas is in the range of 0.05 to 3.0% by volume.

Abstract: Nanoparticle catalyst compositions and methods for preparation of same are described. The nanoparticle catalysts are platinum-free and are useful in effecting selective ring-opening reactions, for example in upgrading heavy oil. The catalyst may be of monometallic composition, or may comprise an alloyed or core-shell bimetallic composition. The nanoparticles are of controlled size and shape.

Abstract: The present invention relates to a catalyst-containing nanofiber composition, comprising a ceramic nanofiber having a plurality of metal catalysts wherein the metal catalysts exist as dispersed particles partially embedded in the nanofiber and cover from about 1% to about 90% of the surface area of the ceramic nanofiber.

Abstract: Described is a catalyst and process useful in the hydrodesulfurization of a distillate feedstock to manufacture a low-sulfur distillate product. The catalyst comprises a calcined mixture of inorganic oxide material, a high concentration of a molybdenum component, and a high concentration of a Group VIII metal component. The mixture that is calcined to form the calcined mixture comprises molybdenum trioxide, a Group VIII metal compound, and an inorganic oxide material. The catalyst is made by mixing the aforementioned starting materials and forming therefrom an agglomerate that is calcined to yield the calcined mixture that may be used as the catalyst or catalyst precursor.

Abstract: Catalysts, systems and methods for abating emissions in an exhaust stream are provided. Systems comprising a transition metal oxide stabilized oxygen storage catalyst are described. The emissions treatment system is advantageously used for the treatment of exhaust streams from lean burn engines including diesel engines and lean burn gasoline engines.

Abstract: A method of producing a catalyst material with nano-scale structure, the method comprising: introducing a starting powder into a nano-powder production reactor, the starting powder comprising a catalyst material; the nano-powder production reactor nano-sizing the starting powder, thereby producing a nano-powder from the starting powder, the nano-powder comprising a plurality of nano-particles, each nano-particle comprising the catalyst material; and forming a catalyst precursor material from the nano-powder, wherein the catalyst precursor material is a densified bulk porous structure comprising the catalyst material, the catalyst material having a nano-scale structure.

Abstract: The present invention relates to a process for the formation of alcohols from alkanoic acids, the steps of the process comprising: contacting a feed stream containing the alkanoic acid and hydrogen at an elevated temperature with a hydrogenating catalyst comprising from 3 to 25 wt. % of active metals on a support, wherein the active metals comprise cobalt and tin.

Abstract: A process is described for producing a powder batch comprises a plurality of particles, wherein the particles include (a) a first catalytically active component comprising at least one transition metal or a compound thereof; (b) a second component different from said first component and capable of removing oxygen from, or releasing oxygen to, an exhaust gas stream; and (c) a third component different from said first and second components and comprising a refractory support. The process comprises providing a precursor medium comprising a liquid vehicle and a precursor to al least one of said components (a) to (c) and heating droplets of said precursor medium carried in a gas stream to remove at least part of the liquid vehicle and chemically convert said precursor to said at least one component.

Abstract: A nickel-based catalyst is provided for reducing carbon monoxide, hydrocarbon emissions, and nitrogen oxides from vehicle exhausts. The catalyst is impregnated directly onto a carrier which is non-reactive with nickel. The nickel is contained on said carrier at a loading of between about 2 to about 20 wt %. When used in a vehicle exhaust gas treatment system, the catalyst provides improved efficiency in reducing CO, HC, and NOx emissions over the use of conventional three-way-catalysts.

Abstract: A nickel-based catalyst is provided for reducing carbon monoxide, hydrocarbon emissions, and nitrogen oxides from vehicle exhausts. The catalyst is impregnated directly onto a carrier which is non-reactive with nickel. The nickel is contained on said carrier at a loading of between about 2 to about 20 wt %. When used in a vehicle exhaust gas treatment system, the catalyst provides improved efficiency in reducing CO, HC, and NOx emissions over the use of conventional three-way-catalysts.

Abstract: A nanocomposite particle, its use as a catalyst, and a method of making it are disclosed. The nanocomposite particle comprises titanium dioxide nanoparticles, metal oxide nanoparticles, and a surface stabilizer. The metal oxide nanoparticles are formed hydrothermally in the presence of the titanium dioxide nanoparticles. The nanocomposite particle is an effective catalyst support, particularly for DeNOx catalyst applications.

Abstract: The invention provides a method of transaminating a reactant with a catalyst composition comprising support and catalyst portions. The support includes an acidic mixed metal oxide including a transitional alumina and a second metal oxide. The transitional alumina can comprise delta or theta alumina, in combination with other transitional phases, or an alpha or gamma alumina. The second metal oxide has a weight percentage less than the weight percentage of alumina. The catalyst portion is 25 weight percent or less of the catalyst composition and is composed of nickel and rhenium. The catalyst portion includes nickel in an amount in the range of 2 to 20 weight percent, based upon total catalyst composition weight, and there is no boron in the catalyst portion. The method provides high activity and selectivity for reactant transamination to a desired product while minimizing the formation of unwanted cyclic products.

Abstract: The present disclosure relates to a surface structure control and preparation process for a metal nanocatalyst involving a metal nanocatalyst. The present disclosure provides a surface structure control and continuous preparation system for a metal nanocatalyst, a metal nanocatalyst having an open surface structure and high surface energy, and a surface structure control and a preparation process thereof. The system is provided with a nucleation electrolytic cell, a distribution valve, at least two growth electrolytic cells, with two ends of the distribution valve being connected to an output port of the nucleation electrolytic cell and to input port of all the growth electrolytic cells, respectively. The metal nanocatalyst having an open surface structure is a single metal nanoscale crystal and has a high density of terrace atoms or active sites on the surface thereof.

Abstract: A method of preparing a Fischer-Tropsch catalyst for handling, storage, transport and deployment, including the steps of impregnating a porous support material with a source of cobalt, calcining the impregnated support material activating the catalyst, and passivating the activated catalyst.

Abstract: An exhaust gas purifying catalyst (1) according to the present invention includes noble metal particles (6), a first compound (7) supporting the noble metal particles (6), and a second compound (9) disposed not in contact with the noble metal particles (6) and having an oxygen storage capacity. An average distance between the first compound (7) and the second compound (9) is between 5 nm and 300 nm.

Abstract: A process for producing the porous catalyst body for decomposing hydrocarbons, the body containing at least magnesium, aluminum and nickel, and has a pore volume of 0.01 to 0.5 cm3/g, an average pore diameter of not more than 300 ? and an average crushing strength of not less than 3 kgf. The process includes molding hydrotalcite containing at least magnesium, aluminum and nickel, and calcining the resulting molded product at a temperature of 700 to 1500° C.

Abstract: Methods and systems for contacting of a crude feed with one or more catalysts to produce a total product that includes a crude product are described. The crude product is a liquid mixture at 25° C. and 0.101 MPa. The crude product has an MCR content of at most 90% of the MCR content of the crude feed. One or more other properties of the crude product may be changed by at least 10% relative to the respective properties of the crude feed.

Abstract: A composite material includes an aggregate which contains a first metal particle constituting a core and second metal oxide particulates surrounding the first metal particle and having an average primary particle diameter ranging from 1 to 100 nm.

Abstract: A composite oxide for a hydrocarbon reforming catalyst which maintains the catalytic activity at a high level over a long period of time, a process for producing the catalyst, and a process for producing syngas using the catalyst, are provided. The composite oxide for a hydrocarbon reforming catalyst is obtained by a process including preparing a mixed solution for impregnation which contains catalytic active components of Co, or Co and Ni, one or more oxidation resistance enhancing components selected from the elements of Group 3B and the elements of Group 6A of the Periodic Table, and one or more additive metal components selected from Ca and Mg; impregnating a carrier formed from a porous molded body selected from magnesia and a composite of magnesia and calcia, with the mixed solution for impregnation; drying the impregnated carrier; and calcining the dried carrier in an oxidizing atmosphere.

Abstract: Amine stabilizing agents containing an azeotrope comprising water, an alcohol, and sodium hydride. Amine stabilizing agents containing water and a liquid silica hydroxide compound. Methods of making of amine stabilizing agents where solid silicon rock and sodium hydroxide are mixed with an ammonium/water solution to produce a green liquid in a first stage of the reaction. Alcohol is added and the alcohol fraction is separated from the non-alcohol fraction to produce an alcohol fraction product and a bottom fraction that is not soluble in alcohol or organics. The agents can be added to amines for stabilizing amines in anime processing of gases, in CO2 capture, in CO2 abatement systems and in other systems where amines are utilized to remove contaminants.

Abstract: A gas fired catalytic heater is provided that foregoes the need for an electrical heating element to provide the activation energy for the hydrocarbon catalyst pad. An alcohol self-igniting catalyst pad is used to provide the activation energy to the hydrocarbon catalyst pad thereby removing dependence of the heater on an outside electrical energy source to initiate start-up of the heater. The catalyst pad includes a flexible wash coat; a noble metal dispersed on the wash coat; an anti-sintering element saturating the wash coat; and a catalyst promoter saturating the wash coat.

Abstract: A first layer of a catalyst material is formed on a substrate and heat treated to form a first plurality of nanoparticles. A second layer of a catalyst material is then formed over the substrate and the first plurality of nanoparticles and heat treated to form a second plurality of nanoparticles. The first layer of nanoparticles is advantageously not affected by the deposition or heat treatment of the second layer of catalyst material, for example being pinned or immobilised, optionally by oxidation, before formation of the second layer.

Abstract: Low temperature activity of a vanadium-free selective catalytic reduction catalyst is provided by a mixed metal oxide support containing oxides of titanium and zirconium, the support having a promoter deposited on the surface of the mixed metal oxide support, and further having an active catalyst component deposited over the promoter on the mixed metal oxide support surface. Suitable promoters include oxides of silicon, boron, aluminum, cerium, iron, chromium, cobalt, nickel, copper, tin, silver, niobium, lanthanum, titanium, and combinations thereof. Suitable active catalyst components include oxides of manganese, iron and cerium.

Abstract: Disclosed is a catalyst for use in production of carboxylic acid ester by reacting (a) aldehyde and alcohol, or (b) one or more types of alcohols, in the presence of oxygen; wherein oxidized nickel and X (wherein X represents at least one element selected from the group consisting of nickel, palladium, platinum, ruthenium, gold, silver and copper) are loaded onto a support within the range of the atomic ratio of Ni/(Ni+X) of from 0.20 to 0.99.

Abstract: An exhaust gas purifying catalyst includes a monolithic substrate (2), and a transition metal oxide layer (3) formed in the monolithic substrate (2). The transition metal oxide layer (3) contains transition metal oxide powder including: transition metal oxide particles (10); a first compound (20) on which the transition metal oxide particles (10) are supported; and a second compound (30) that surrounds a single body or an aggregate of the transition metal oxide particles (10) and the first compound (20).

Abstract: A supported composite particle material comprises: a composite particle formed of an oxidized nickel and X (wherein X represents at least one of elements selected from the group consisting of nickel, palladium, platinum, ruthenium, gold, silver and copper); and a support on which the composite particle is supported, the supported composite particle material having a supported layer in which the composite particle is localized.

Abstract: The present invention relates to a process for producing a supported tin-comprising catalyst, wherein a solution (S) comprising tin nitrate and at least one complexing agent is applied to the support, where the solution (S) does not comprise any solid or has a solids content of not more than 0.5% by weight based on the total amount of dissolved components.

Abstract: A process for producing a catalyst, the process comprising the steps of: impregnating a first metal from a first metal precursor on a support to form a first impregnated support; calcining the first impregnated support; impregnating a second metal from a second metal precursor on the first impregnated support to form a second impregnated support; calcining the second impregnated support to form the catalyst, wherein the catalyst has a total metal loading of at least 2 wt. % based on the total weight of the catalyst. A method for hydrogenating alkanoic acids in the presence of the catalyst is also disclosed.

Abstract: Methods of fabricating nano-catalysts are described. In some embodiments the nano-catalyst is formed from a powder-based substrate material and is some embodiments the nano-catalyst is formed from a solid-based substrate material. In some embodiments the substrate material may include metal, ceramic, or silicon or another metalloid. The nano-catalysts typically have metal nanoparticles disposed adjacent the surface of the substrate material. The methods typically include functionalizing the surface of the substrate material with a chelating agent, such as a chemical having dissociated carboxyl functional groups (—COO), that provides an enhanced affinity for metal ions. The functionalized substrate surface may then be exposed to a chemical solution that contains metal ions. The metal ions are then bound to the substrate material and may then be reduced, such as by a stream of gas that includes hydrogen, to form metal nanoparticles adjacent the surface of the substrate.

Abstract: A method for preparing a neutral, stable and transparent photocatalytic titanium dioxide sol is provided. The method comprises (1) contacting an alkaline titanium dioxide sol with an alkaline peptizing agent to provide a peptized alkaline titanium dioxide sol; (2) neutralizing the peptized alkaline titanium dioxide sol; and (3) obtaining or collecting the neutral, stable and transparent photocatalytic titanium dioxide sol. The titanium dioxide sol is stable and transparent over a range of pH of about 7.0 to about 9.5. The titanium dioxide sol may include crystallites of titanium dioxide having an average particle size of less than about 10 nm with at least 90% of the crystallites being in the anatase form.

Abstract: Ceria-coated aerogels can include an aerogel support material having a stabilized ceria coating thereon. The ceria coating can be formed by solution or vapor deposition of alcogels or aerogels. Additional catalytic metal species can also be incorporated into the coating to form multi-metallic compounds having improved catalytic activity. Further, the ceria coated aerogels retain high surface areas at elevated temperatures. Thus, improvements in catalytic activity and thermal stability can be achieved using these ceria-coated composite aerogels.

Abstract: Compositions, materials incorporating the compositions, and methods of use thereof, for the protection and/or decontamination of contaminants are disclosed.

Abstract: Novel catalytic materials and methods for producing the same are shown and described. The present disclosure provides catalytic materials formed from producing an alloy of an oxophilic metal and a metal having electro-oxidative activity using spray pyrolysis. The present disclosure further provides methods and mechanisms for both detecting and removing hydrazine from a system.

Abstract: A hydrocarbon oil-impregnated composition that comprises a support material having incorporated therein a metal component and impregnated with a hydrocarbon oil. The hydrocarbon oil-impregnated composition is useful in the hydrotreating of hydrocarbon feedstocks, and it is especially useful in applications involving delayed feed introduction whereby the hydrocarbon oil-impregnated composition is first treated with hot hydrogen, and, optionally, a sulfur compound, prior to contacting it with a hydrocarbon feedstock under hydrodesulfurization process conditions.

Abstract: Provided are a catalyst, an electrode, a fuel cell, a gas detoxification apparatus, and the like that can promote a general electrochemical reaction causing gas decomposition or the like. A catalyst according to the present invention is used for promoting an electrochemical reaction and is chain particles 3 formed of an alloy particles containing nickel (Ni) and at least one selected from the group consisting of iron (Fe), cobalt (Co), chromium (Cr), tungsten (W), and copper (Cu).

Abstract: A composite anode material for a solid oxide fuel cell (SOFC), an anode for a SOFC including a Ni-containing alloy including Ni and a transition metal other than Ni; and a perovskite metal oxide having a perovskite structure.

Abstract: The catalyst of the invention is a particulate catalyst in the form of particles having a minimum dimension of at least 0.8 mm, including a transition metal or a compound thereof dispersed on a porous support material, characterised in that said catalyst particles comprise at least 35% w/w total transition metal; and the transition metal surface area of said catalyst is at least 110 m2 per gram of transition metal and the tapped bulk density of a bed of the catalyst particles is at least 0.7 g/ml. The method of making a catalyst includes multiple steps of impregnation of a porous support with a metal ammine solution followed by drying, calcination and reduction of the dried material. The catalyst is useful in hydrogenation reactions.

Abstract: Provided is a catalyst for fuel reformation that causes carbon monoxide contained in hydrogen gas, which is produced from a variety of hydrocarbon fuels, to react with hydrogen and thereby to be transformed into methane, while inhibiting methanation of carbon dioxide contained in the hydrogen gas. The selective CO methanation catalyst includes at least one of a halogen, an inorganic acid, and a metal oxo-acid adsorbed or bonded as a carbon dioxide reaction inhibitor to a carbon monoxide methanation active component.

Abstract: A metal oxide-supported nickel catalyst includes a matrix containing a metal oxide and catalytic sites distributed throughout the matrix and having an intricate interface with the matrix, in which the catalytic sites are selected from the group consisting of nano-nickel(0) domains and nano-nickel(0)-A(0) alloy domains. Also disclosed are a method for preparing this catalyst and a method for using it to produce carbon monoxide and hydrogen by partial oxidation of a C1-C5 hydrocarbon.

Abstract: Disclosed is a method for producing a core-shell structured electrocatalyst for a fuel cell. The method includes uniformly supporting nano-sized core particles on a support to obtain a core support, and selectively forming a shell layer only on the surface of the core particles of the core support. According to the method, the core and the shell layer can be formed without the need for a post-treatment process, such as chemical treatment and heat treatment. Further disclosed is a core-shell structured electrocatalyst for a fuel cell produced by the method. The core-shell structured electrocatalyst has a large amount of supported catalyst and exhibits superior catalytic activity and excellent electrochemical properties. Further disclosed is a fuel cell including the core-shell structured electrocatalyst.

Abstract: The present invention provides a catalyst for generating hydrogen, containing a composite metal of iron and nickel, the catalyst used in a decomposition reaction of at least one compound selected from the group consisting of hydrazine and hydrates thereof; and a method for generating hydrogen, including contacting the catalyst for generating hydrogen with at least one compound selected from the group consisting of hydrazine and hydrates thereof. According to the invention, hydrogen can be efficiently generated with improved selectivity in the method for generating hydrogen that utilizes the decomposition reaction of hydrogen.

Abstract: The reduction of nitrogen oxides in gas is carried out, by means of selective reaction of the nitrogen oxide with the reducing agent in the in the solid catalyst. In order to achieve high catalytic activity, the above is carried out at high gas temperatures. As a rule, ceramic filter elements, coated with catalytic material are used. This does, however, give rise to the risk the catalytically active components are stripped from the filter during the hot gas filtration. A ceramic filter element with support material in the form of particles, with binder material and catalytic material is thus disclosed, whereby the binder material comprises catalytic material, or the binder material is partly replaced by the catalyst material and the support material particles (1) are connected to each other by means of the catalyst and/or binder material.

Abstract: Disclosed herein is fine particles of core-shell structure, each particle being composed of a core particle which is formed from a first material and has the face-centered cubic crystal structure and a shell layer which is formed from a second material differing from the first material on the surface of the core particle and has the face-centered cubic crystal structure, the fine particles containing particles which are multiply twinned fine particles and are surrounded by the {111} crystal plane.

Abstract: A combined hydrocarbon/ozone converter includes a substrate, a metal oxide washcoat and a hydrocarbon converting catalyst, such as platinum. The metal oxide washcoat comprises an ozone reacting component, such as cobalt oxide, and a non-catalytic component, such as aluminum oxide. The weight ratio of the hydrocarbon converting catalyst to the ozone reacting component may be between about 1:5 and about 1:100.

Abstract: Catalyst mixtures include at least one Catalytically Active Element and, as a separate constituent, one Helper Catalyst. The catalysts can be used to increase the rate, modify the selectivity or lower the overpotential of chemical reactions. These catalysts are useful for a variety of chemical reactions including, in particular, the electrochemical conversion of CO2. Chemical processes employing these catalysts produce CO, OH?, HCO?, H2CO, (HCO2)?, H2CO2, CH3OH, CH4, C2H4, CH3CH2OH, CH3COO?, CH3COOH, C2H6, O2, H2, (COOH)2, or (COO?)2. Devices using the catalysts include, for example, a CO2 sensor.

Abstract: Precursor cations of A and B elements of an ABO3 perovskite in aqueous solution are formed as an ionic complex gel with citric acid or other suitable polybasic carboxylic acid. The aqueous gel is coated onto a desired catalyst substrate and calcined to form, in-situ, particles of the crystalline perovskite as, for example, an oxidation catalyst on the substrate. In one embodiment, a perovskite catalyst such as LaCoO3 is formed on catalyst supporting cell walls of an extruded ceramic monolith for oxidation of NO in the exhaust gas of a lean burn vehicle engine.

Abstract: A catalyst for reforming a hydrocarbon gas using carbon dioxide and/or water vapor to react while restraining the deposition of carbon contains a NiO—Sr2TiO4 solid solution in which NiO is dissolved in Sr2TiO4. The ratio of NiO in the NiO—Sr2TiO4 solid solution is preferably of 2.2 to 13.5 parts by mol relative to 100 parts by mol of Sr2TiO4. A catalyst which can contain SrTiO3, SrCO3, and fine grains of Ni and/or NiO are also described. A method of manufacturing the same, and a method of manufacturing a synthesized gas.

Abstract: Disclosed is a magnetic catalyst formed by a single or multiple nano metal shells wrapping a carrier, wherein at least one of the metal shells is iron, cobalt, or nickel. The magnetic catalyst with high catalyst efficiency can be applied in a hydrogen supply device, and the device can be connected to a fuel cell. Because the magnetic catalyst can be recycled by a magnet after generating hydrogen, the practicability of the noble metals such as Ru with high catalyst efficiency is dramatically enhanced.

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.