| Entries |
| Document | Title | Date |
|---|
| 20080200328 | Method and Device For Applying Washcoat Suspensions to a Molded Article - The invention relates to a method for removing an excess of a liquid from a molded article that comprises two opposite planar faces and interior cavities and/or channels to be coated with the liquid. The inventive method is characterized by removing in a first removal step, once the liquid has been introduced into the interior cavities and/or channels, the major portion of the excess liquid under the influence of an external force, and removing in a second removal step the excess liquid remaining in the molded article after the first removal step by contacting the molded article with a porous and/or channel-bearing support on the very face where the excess was removed. The pore and/or channel diameter of the support is smaller or equal the diameter of the interior cavities and/or channels of the molded article. | 08-21-2008 |
| 20080280752 | Catalyst powder production method, catalyst powder and catalyst layer in fuel cell - A catalyst powder production method for constructing a catalyst layer in a fuel cell includes: forming a mixture that contains an electrolyte, a pore-forming material, and a catalyst-supporting particle that supports a catalyst; producing a composite powder in which the catalyst-supporting particle and the electrolyte are attached to a periphery of the pore-forming material by using the mixture; and producing the catalyst powder in the form of hollow particle by removing the pore-forming material from the composite powder. | 11-13-2008 |
| 20090131245 | CONTROLLED AND SELECTIVE FORMATION OF CATALYST NANAOPARTICLES - A method for forming catalyst nanoparticles on a substrate and a method for forming elongate nanostructures on a substrate using the nanoparticles as a catalyst are provided. The methods may advantageously be used in, for example, semiconductor processing. The methods are scalable and fully compatible with existing semiconductor processing technology. Furthermore, the methods allow forming catalyst particles and elongate nanostructures at predetermined locations on a substrate. | 05-21-2009 |
| 20090247396 | CATALYST-CARRYING FILTER - A catalyst-carrying filter has a partition wall that includes a gas-inflow-side layer and a gas-outflow-side layer. One open end and the other open end of a plurality of cells are alternately plugged by plugging sections. The gas-inflow-side layer of the partition wall includes a PM removal catalyst layer that supports or is coated with an oxidizing catalyst for promoting oxidation of particulate matter contained in exhaust gas. The gas-outflow-side layer of the partition wall includes a PM collection layer that has a small average pore size so as to collect particulate matter, and a gas purification catalyst layer that supports or is coated with a gas purification catalyst that promotes oxidation of unburnt gas. | 10-01-2009 |
| 20100216631 | METHOD AND APPARATUS FOR FLUID-LIQUID REACTIONS - A method and apparatus for fluid-liquid reactions including gas-liquid and liquid-liquid reactions. The method and apparatus is suitable for mixing a fluid phase species and a liquid phase species to facilitate chemical reaction between said phases. The apparatus comprises a reactor vessel with a plurality of orificed plates and flow control means which initiates and maintains uniform mixing and efficient dispersion of a fluid-liquid mixture within the reactor vessel. | 08-26-2010 |
| 20100234209 | PARTICLE COMPRISING CORE AND SHELL AND APPLICATIONS THEREOF - The present invention relates to particles comprising a core and a shell, a method of producing said particle, various uses of said particle as well as various products comprising said particle. The particle according to the invention may be used as photocatalyst, as antibacterial agent, as cleaning agent, as anti-fogging agent and as decomposing agent. Furthermore the particle is applicable as solar cells. | 09-16-2010 |
| 20100267549 | Method of producing particles by physical vapor deposition in an ionic liquid - A method is provided for producing particles, such as nanoparticles. The method includes introducing an ionic liquid into a deposition chamber, and directing one or more material toward or depositing one or more materials onto the ionic liquid by physical vapor deposition to form nanoparticles in the ionic liquid. | 10-21-2010 |
| 20100323880 | EFFECT OF WET REDUCTION ON CATALYST STABILITY AND METHODS OF MAINTAINING CATALYST STABILITY - The present invention provides a method of increasing stability of a catalyst used in a dehydrogenation process. The method includes storing fresh catalyst in a reduction zone, passing a gas through the reduction zone, introducing hydrocarbons and hydrogen gas into a reactor positioned downstream from the reduction zone to facilitate a dehydrogenation reaction, and replenishing spent catalyst in the reactor with fresh catalyst from the reduction zone. The gas has a moisture content at or below about 4000 ppmv and a temperature at or below about 290° C. The reactor includes catalyst for increasing the rate of the dehydrogenation reaction. The moisture content of the gas may be reduced to at or below about 4000 ppmv by passing the gas through a drier or by using an inert gas stream. The temperature of the gas may also be reduced. | 12-23-2010 |
| 20110065569 | METHOD FOR MANUFACTURING FILM CATALYST - The present invention provides a method for manufacturing a film catalyst, including forming a catalyst layer on one side or each side of a base material to obtain a film catalyst, bending the film catalyst, and optionally cutting the film catalyst, wherein the bending step is conducted by bending the film catalyst with a bending tool composed of two gears that are oppositely arranged as meshing each other while a protective material having a compressibility of 40 to 95% is inserted between the catalyst layer of the film catalyst and the two gears. | 03-17-2011 |
| 20110136659 | POROUS BODY PRECURSORS, SHAPED POROUS BODIES, PROCESSES FOR MAKING THEM, AND END-USE PRODUCTS BASED UPON THE SAME - The present invention provides porous body precursors and shaped porous bodies. Also included are catalysts and other end-use products based upon the shaped porous bodies and thus the porous body precursors. Finally, processes for making these are provided. The porous body precursors, comprise one or more topography-enhancing additives, i.e., additives that are capable of at least marginally enhancing one or more of surface area, aspect ratio, pore volume, median pore diameter, surface morphology, etc. Downstream products need not necessarily comprise the topography-enhancing additives in order to exhibit the benefits of their inclusion in the porous body precursors. | 06-09-2011 |
| 20110201493 | HONEYCOMB CATALYST BODY - There is provided a honeycomb catalyst body including, a honeycomb substrate, plugging portions, and a three way catalyst. All the cells are open in the inflow side end face, the honeycomb substrate has two regions of an inflow side region and an outflow side region, the inflow side region of the honeycomb substrate is a region from the inflow side end face to a position of 10 to 90% of a length in an central axial direction of the honeycomb substrate from the inflow side end face, and 100 to 400 g/L of the three way catalyst is loaded on the partition walls in the inflow side region, no catalyst is loaded on the partition walls in the outflow side region, and a ratio of the length to a diameter of the inflow side end face of the honeycomb substrate is 1.1 to 2.0. | 08-18-2011 |
| 20110212831 | SUBSTRATE WITH SURFACE-COLLECTION-LAYER AND CATALYST-CARRYING SUBSTRATE WITH SURFACE-COLLECTION-LAYER - A substrate with a surface-collection-layer comprising a honeycomb substrate having a porous partition wall that defines and forms cells, and a plurality of plugging portions, a surface-collection-layer being formed on a surface of the partition wall that forms the remaining cells, the thickness of the surface-collection-layer on the outlet-side open end being larger than the thickness of the surface-collection-layer in a center area of the substrate, the partition wall having predetermined thickness, porosity and pore size, the surface-collection-layer having predetermined thickness, porosity, and average pore size, and the substrate having predetermined cell density. | 09-01-2011 |
| 20110224069 | HONEYCOMB CATALYST BODY - There is provided a honeycomb catalyst body comprising a honeycomb base body having porous partition walls forming a plurality of divided cells which extend from one end face of honeycomb base body to its other end face and which function as a fluid passage, and an outer wall present at the outermost peripheral portion of honeycomb base body, plugged portions provided so as to plug part of the plurality of divided cells, and a catalyst loaded on the partition walls of honeycomb base body. The plurality of divided cells include outermost peripheral cells formed by the partition walls and the outer wall, and of the outermost peripheral cells, those cells whose hydraulic diameter ratio to the hydraulic diameters of the cells other than the outermost peripheral cells is 5 to 75%, are through-cells having no plugged portion. | 09-15-2011 |
| 20110230335 | HONEYCOMB STRUCTURED BODY - A honeycomb structured body includes a honeycomb block formed by bonding honeycomb fired bodies together. Each of the honeycomb fired bodies has cell walls extending along a longitudinal direction of the honeycomb fired bodies to define cells. At least one of the honeycomb fired bodies includes a first cell region having first cells and a second cell region having second cells and provided between a first peripheral cell wall and a second peripheral cell wall located on a periphery of each honeycomb fired body to surround a part or a whole of the first cell region. The honeycomb structured body has a higher aperture ratio at a first end face than at a second end face. The first end face has first aperture ratio in the second cell region higher than a second aperture ratio in the first cell region. | 09-22-2011 |
| 20110230336 | FINE-PARTICLE STRUCTURE/SUBSTRATE COMPOSITE MEMBER AND METHOD FOR PRODUCING SAME - In one example embodiment, a substrate having a smooth surface is prepared, a fine-particle layer including fine particles which are arranged along the surface is formed, and substituent molecules are bonded to the fine particles to change the fine-particle layer to a fine-particle assembly layer including the fine particles to which the substituent molecules are bonded, so that the center-to-center distance between the adjacent fine particles is increased to form a three-dimensional microstructure in which a portion of the fine-particle assembly layer is raised from the surface or the center-to-center distance between the adjacent fine particles is decreased to form a microstructure in which the fine-particle assembly layer is absent in a portion of the surface, the substrate being exposed in the absent portion. | 09-22-2011 |
| 20110237427 | HONEYCOMB STRUCTURE - A honeycomb structure includes a ceramic block including at least one honeycomb fired body. The at least one honeycomb fired body has cell walls and a peripheral wall. The peripheral wall is formed around the at least one honeycomb fired body. The peripheral wall of the at least one honeycomb fired body, which forms a periphery of the ceramic block, is a stepped peripheral wall provided with a level difference. The level difference includes a projected portion and a recessed portion in a cross section perpendicular to a longitudinal direction of the at least one honeycomb fired body. At least one of the projected portion and the recessed portion is formed by at least one of a curve line and a straight line in the cross section perpendicular to the longitudinal direction of the at least one honeycomb fired body by being subjected to chamfering. | 09-29-2011 |
| 20110251050 | METHOD AND APPARATUS FOR TESTING A CATALYST MATERIAL - A method of ageing a catalyst material includes at least the steps of: (a) heating a gaseous stream; (b) adding a least one pure hydrocarbon gas and an oxygen-containing gas to the heated gaseous stream to provide a combined stream; and (c) passing the combined stream through the catalyst material. The use of at least one pure hydrocarbon gas and an oxygen-containing gas allows maximum re-circulation of the exit stream from the catalyst material for reuse, while maintaining the correct C, H and O proportions being provided in the combined stream to replicate realistic use of the catalyst material. | 10-13-2011 |
| 20110263413 | HONEYCOMB STRUCTURE - A honeycomb structure includes a ceramic block. A plurality of honeycomb fired bodies include first-shaped units, second-shaped units, and third-shaped units. The first-shaped units include peripheral first-shaped units. Each of the peripheral first-shaped units is disposed in such a manner as to have two sides. One side of the two sides faces one of adjacent sides of one third-shaped unit among the third-shaped units with an adhesive layer therebetween. Another side of the two sides faces one of adjacent sides of another third-shaped unit among the third-shaped units with the adhesive layer therebetween. The two sides of each of the peripheral first-shaped units or extensions of the two sides are each neither substantially parallel nor substantially perpendicular to an extension of a second side and an extension of a first side of each of the second-shaped units. | 10-27-2011 |
| 20120021896 | METHOD AND APPARATUS OF MANUFACTURING EXHAUST GAS-PURIFYING CATALYST AND NOZZLE USED THEREFOR - A nozzle is configured to discharge a fluid containing a raw material of a catalytic layer to a substrate having first and second end faces and provided with holes each extending from the first end face to the second end face. The nozzle is provided with discharge ports each discharging the fluid toward the first end face of the substrate. | 01-26-2012 |
| 20120122663 | PROCESS FOR PRODUCING CATALYST FOR EXHAUST GAS PURIFICATION AND CATALYST FOR EXHAUST GAS PURIFICATION - An object of the present invention is to provide a process for producing a catalyst for exhaust gas purification capable of increasing the area brought into contact with exhaust gas to improve the exhaust gas purification efficiency without decrease in strength of the catalyst for exhaust gas purification and without significant increase in manufacturing cost of the catalyst for exhaust gas purification. The present invention provides a process for producing a catalyst for exhaust gas purification formed by forming a coating layer containing a catalyst component on a honeycomb support, characterized in that the method comprises immersing the honeycomb support in a thixotropic slurry containing the catalyst component or sucking the slurry into the honeycomb support, removing the honeycomb support from the slurry, spraying pulsed air onto an end surface of the removed honeycomb support in the axial direction thereof, and baking the honeycomb support to form the coating layer on the honeycomb support. | 05-17-2012 |
| 20120302433 | Catalytic Reactor Treatment Process - An activation process for a Fischer-Tropsch catalyst is described. The process comprises a first reduction step; an oxidation step; the introduction of the catalyst into a Fischer-Tropsch reactor; and a second reduction step. | 11-29-2012 |
| 20120322651 | PROCESS FOR PREPARING METHANOL - Catalytic process for the preparation of methanol, with a plurality of serial synthesis stages, in which the severity of the reaction conditions, on the basis of the reaction temperature and/or the concentration of carbon monoxide in the synthesis gas, decreases from the first to the last reaction stage in flow direction, the first reaction stage having a first catalyst of low activity but high long-term stability, and the last reaction stage having a second catalyst of high activity but low long-term stability. | 12-20-2012 |
| 20120329640 | NANOPLATE-NANOTUBE COMPOSITES, METHODS FOR PRODUCTION THEREOF AND PRODUCTS OBTAINED THEREFROM - Compositions and methods of producing discrete nanotubes and nanoplates and a method for their production. The discrete nanotube/nanoplate compositions are useful in fabricated articles to provide superior mechanical and electrical performance. They are also useful as catalysts and catalyst supports for chemical reactions. | 12-27-2012 |
| 20130150233 | PROCESS AND APPARATUS FOR MIXING TWO STREAMS OF CATALYST - A process and apparatus for mixing streams of regenerated and carbonized catalyst involves passing a catalyst stream into and out of a chamber in a lower section of a riser. The chamber fosters mixing of the catalyst streams to reduce their temperature differential before contacting hydrocarbon feed. | 06-13-2013 |
| 20130210614 | SUBSTRATE SELECTION FOR A CATALYST - In one embodiment, a method of forming a catalyst/substrate construction includes: identifying a catalyst having a specific activity, determining a surface area factor for supporting the catalyst based on the specific activity of the catalyst; selecting a substrate having the surface area factor; and applying the substrate to the catalyst to form the catalyst/substrate construction. In certain instances, the surface area factor may be determined according to the following equation: | 08-15-2013 |
| 20130252803 | PROCESS AND APPARATUS FOR MIXING TWO STREAMS OF CATALYST - A process and apparatus for mixing streams of regenerated and carbonized catalyst utilizes a ramp or bend provided on only one of the catalyst conduits to provide mixing advantages. | 09-26-2013 |
| 20140045680 | METHOD FOR MANUFACTURING METALLIC GLASS NANOWIRE, METALLIC GLASS NANOWIRE MANUFACTURED THEREBY, AND CATALYST CONTAINING METALLIC GLASS NANOWIRE - Provided is a method for easily manufacturing large volumes of a metallic glass nanowire with an extremely small diameter. This metallic glass nanowire manufacturing method is characterized in that a melted metallic glass or a master alloy thereof is gas-atomized in a supercooled state. | 02-13-2014 |
| 20140235430 | METHOD AND APPARATUS FOR TESTING A CATALYST MATERIAL - A method of ageing a catalyst material includes at least the steps of: (a) heating a gaseous stream; (b) adding a least one pure hydrocarbon gas and an oxygen-containing gas to the heated gaseous stream to provide a combined stream; and (c) passing the combined stream through the catalyst material. The use of at least one pure hydrocarbon gas and an oxygen-containing gas allows maximum re-circulation of the exit stream from the catalyst material for reuse, while maintaining the correct C, H and O proportions being provided in the combined stream to replicate realistic use of the catalyst material. | 08-21-2014 |
| 20150011380 | CATALYST FOR CARBON NANOTUBE PRODUCTION - The present invention provides a catalyst for carbon nanotube production capable of continuously mass-producing a carbon nanotube having a long fiber length and excellent conductivity. The catalyst for carbon nanotube production of the present invention includes a carrier particle which is configured to include a metal oxide and has voids therein, and a metal catalyst which is carried on the carrier particle. In a pore distribution curve of the carrier particle which is obtained by a mercury penetration method, when an integrated value of volumes of pores having a pore size of equal to or larger than 0.1 μm is set to be a volume of voids per unit mass of the carrier particle, the volume of the voids is set to be in a range of 0.6 cm | 01-08-2015 |
| 20150038323 | PASS-THROUGH CATALYTIC SUBSTRATE INCLUDING POROUS CERAMIC BEVELED CORNER PORTIONS AND METHODS - A pass-through catalytic substrate can comprise a plurality of porous ceramic substrate walls defining flow channels extending between an inlet end and an outlet end of the catalytic substrate. The pass-through catalytic substrate can include a plurality of porous ceramic beveled corner portions positioned at intersecting corners of the substrate walls within the flow channels. In one example, the porous ceramic beveled corner portions each include a heat capacity less than about 1.38 J/cm | 02-05-2015 |
| 20150318559 | FUEL CELL CATALYST TREATMENT - According to an embodiment, a method of preparing a catalyst for a fuel cell component includes soaking catalyst particles in citric acid. The catalyst particles are then rinsed after having been soaked in the citric acid. Catalyst particles are dried after they have been rinsed. When desired, the pre-treated catalyst particles may be incorporated into a catalyst ink used for making a fuel cell component. | 11-05-2015 |
| 20160038900 | CATALYST ACTIVATOR - The invention relates generally to a catalyst activator, and in particular to a catalyst activator for heat conditioning a catalyst, comprising: a) a vessel for containing a catalyst charge having an internal diameter of at least 1.2 metres and/or an internal volume of at least 5 m | 02-11-2016 |
| 20160067700 | METHOD AND APPARATUS OF MANUFACTURING EXHAUST GAS-PURIFYING CATALYST AND NOZZLE USED THEREFOR - A nozzle is configured to discharge a fluid containing a raw material of a catalytic layer to a substrate having first and second end faces and provided with holes each extending from the first end face to the second end face. The nozzle is provided with discharge ports each discharging the fluid toward the first end face of the substrate. | 03-10-2016 |
| 20160074854 | METHOD AND DEVICE FOR PRODUCING SHELL CATALYSTS - Disclosed herein is a process and an apparatus for producing coated catalysts. A process of the present disclosure includes providing a composition containing a liquid and a catalytically active material and/or a precursor thereof in a stock vessel, providing a support material in a vessel which is rotatable about a longitudinal axis, transporting the composition from the stock vessel through a first conduit to a spray nozzle, transporting a propellant fluid through a second conduit to the spray nozzle, atomizing the composition and propellant fluid in the nozzle to produce an aerosol that flows into the vessel and impregnates the support material present therein, heating the vessel so the liquid present in the aerosol evaporates from the support material and the finely divided support material which has been treated with catalytically active material and/or a precursor thereof is dried, and discharging the vaporized liquid from the vessel. | 03-17-2016 |
| 20180023434 | METHOD OF MANUFACTURING CATALYZED PARTICULATE FILTER | 01-25-2018 |
