Class / Patent application number | Description | Number of patent applications / Date published |
502242000 | Of Group IV (i.e., Ti, Zr, Hf, Ge, Sn or Pb) | 73 |
20080254975 | Photocatalyst-coated body and photocatalytic coating liquid therefor - There is disclosed a photocatalyst-coated body which is superior in weather resistance, noxious gas decomposability, and various coating properties (such as ultraviolet absorptivity, transparency and film strength) while preventing corrosion of a substrate (in particular an organic substrate), and a photocatalyst coating liquid therefor. The photocatalyst-coated body comprises a substrate and a photocatalyst layer provided on the substrate. The photocatalyst layer comprises photocatalyst particles of 1 part or more by mass and less than 20 parts by mass; inorganic oxide particles of 70 parts or more by mass and less than 99 parts by mass; and a hydrolyzable silicone of zero parts or more by mass and less than 10 parts by mass, provided that a total amount of the photocatalyst particles, the inorganic oxide particles and the hydrolyzable silicone is 100 parts by mass. | 10-16-2008 |
20090005239 | Zirconium Hydroxide - This invention relates to an improved amorphous zirconium hydroxide and a method for its production. The hydroxide has a surface area of at least 300 m | 01-01-2009 |
20090082197 | Methods of preparing a polymerization catalyst - A method of preparing a catalyst comprising contacting a support with a trivalent titanium compound and a chromium-containing compound. A catalyst composition comprising a support, chromium, and titanium, wherein the titanium is derived from TiCl | 03-26-2009 |
20090124490 | Photocatalyst, Method for Producing Same, Liquid Dispersion Containing Photocatalyst and Photocatalyst Coating Composition - Disclosed is a photocatalyst comprising a photocatalytically active base, and a silicon oxide film covering the base and substantially having no pores. The alkali metal content of the photocatalyst is not less than 1 ppm but not more than 1,000 ppm. Also disclosed is a method for producing such a photocatalyst wherein when a photocatalytically active base present in an aqueous medium is coated with a silicon oxide film by using a silicate, the pH of the aqueous medium containing both the photocatalytically active base and the silicate is maintained at 5 or below. | 05-14-2009 |
20090215612 | Aromatic hydrogenation catalysts - An MCM-41 catalyst having a crystalline framework containing SiO | 08-27-2009 |
20090221421 | Catalyst for Producing Hydrogen, Manufacturing Method Thereof, Fuel Reformer and Fuel Cell - There is provided a catalyst for producing hydrogen comprising a porous body, as a support, comprising either one of an amorphous phase oxide and a composite oxide containing titanium and zirconium in which titanium has a mol ratio of 5 to 75% and zirconium has a mol ratio of 25 to 95% to the sum of these two, the porous body having a micro-hole diameter distribution peak in the range of 3 nm to 30 nm; and catalytic active metal grains carried on the a gas contact surface of the support, and the catalytic active metal has a content of 1 to 30% by mass to the sum of the porous body and the catalytic active metal, and a method of manufacturing thereof. This suppresses sintering or coking causing activity deterioration, thereby minimizing reaction ratio variations with time. A fuel reformer having the above catalyst, and a fuel cell having the fuel reformer are also provided. | 09-03-2009 |
20090270249 | METHOD FOR FORMING A CATALYST CARRIER - A method of forming a carrier material suited to use in Fischer-Tropsch reactions includes forming a dispersion of first and second hydrated alumina materials in a liquid dispersant, such as an acid solution. The first alumina can be derived from an alkali aluminate, such as is formed in the Bayer reaction. The second hydrated alumina can be derived from high purity aluminum, such as via conversion to an alkoxide. The dispersion is spray dried to form particles which are heat treated to form a carrier material having low levels of impurities. | 10-29-2009 |
20090305880 | CATALYSTS FOR PRODUCING ORGANIC CARBONATES - A process for producing various organic carbonates by performing transesterification and disproportionation reactions in dual vapor/liquid phase mode preferably in the presence of solid catalyst composition selected from the group consisting of oxides, hydroxides, oxyhydroxides or alkoxides of two to four elements from Group IV, V and VI of the Periodic Table supported on porous material which has surface hydroxyl groups and the method of reactivating catalyst deactivated by polymer deposition by contacting the deactivated catalyst with a solution of hydroxy containing compound in a solvent such as benzene or THF. | 12-10-2009 |
20090312179 | PROCESS FOR HYDROCARBON SYNTHESIS - A method of supporting a hydrocarbon synthesis catalyst material comprising a catalytically active metal and a carrier material on a substrate comprising the steps of: (a) applying the catalyst material to the substrate; and (b) heating the catalyst material to form a catalyst material layer fixed to the substrate, characterised in that—the catalyst carrier is a porous inorganic refractory oxide or precursor therefor; the catalyst material applied in step (a) comprises 60 to 90 weight % solvent calculated on the total weight of the catalyst material layer; when the catalyst material is subjected to the heating step (b) it comprises at most 10 weight % of solvent, calculated on the total weight of the catalyst material layer; in heating step (b) the catalyst material is heated to a temperature in the range between 250° C. and 800° C.; cracks having sub-millimetre widths are uniformly formed in the layer; after step (b) the catalyst material layer has a thickness of 5-200 microns. The control of cracking of the catalyst material on the substrate, especially the presence of cracks at regular distances such that there is no continuous catalyst layer on the substrate surface, reduces any stress build-up. | 12-17-2009 |
20090325791 | Hydrocarbon Dehydrogenation with Zirconia - A method for obtaining an olefin is disclosed, the method comprising subjecting a paraffin to dehydrogenation in the absence of oxygen and in the presence of a catalyst comprising a crystalline substrate, to obtain an olefin. The catalyst includes an inert stabilizing agent for maintaining the catalyst crystal structure. The catalyst may be regenerated by being subjected, in air, to a temperature between about 550° C. and about 750° C., for a period of time between about 15 minutes and about 4 hours. | 12-31-2009 |
20100022385 | SUSPENSIONS OF SURFACE TREATED TITANIUM (IV) OXIDES AND PROCESSES FOR MAKING THEM - The disclosure relates to a process for making a surface treated suspension of finely divided titanium (IV) oxide particles, typically, finely divided titanium (IV) oxide nanoparticles, comprising:
| 01-28-2010 |
20100029473 | METHOD FOR THE PRODUCTION OF STABLE BINDER-FREE HIGH-PURITY MOLDINGS COMPOSED OF METAL OXIDES AND THEIR USE - Stable high strength porous metal oxide articles suitable, for example, for use as catalyst supports, are prepared by predisposing fine metal oxide particles in water followed by fine dispersion under high shear, and subjecting the dispersion to a change in pH to coagulate the metal oxide particles and form a moldable viscoelastic composition. The moldings are substantially free of impurity atoms. | 02-04-2010 |
20100048390 | MESOCELLULAR FOAM PARTICLES - The present invention provides a process for making regular shaped particles of solid foam. A first mixture, comprising water, an acid, a surfactant and a hydrophobic material, is combined with a hydrolysable silicon species to form a second mixture. The second mixture is maintained under conditions and for a sufficient time to form regular shaped precursor particles. The second mixture is then aged at a temperature and for a time effective to produce the regular shaped particles of solid foam. | 02-25-2010 |
20100056365 | METHOD FOR PRODUCING COATING AGENT EXHIBITING PHOTOCATALYTIC ACTIVITY AND COATING AGENT OBTAINED THEREBY - With respect to 100 parts by volume of an aqueous alcohol solution containing 0.01 to 50% by volume of an alcohol, 20 or less parts by volume of titanium tetrachloride is added thereto to obtain a coating agent wherein titanium oxide or a precursor thereof in the form of nanoparticles is dispersed in the aqueous alcohol solution. Consequently, the coating agent exhibiting a high photocatalytic activity can be produced by a simple operation at low cost. Since the coating agent obtained by the present invention has a high self-adhesiveness in addition to the high photocatalytic activity, it can adhere to an object substance by itself. | 03-04-2010 |
20100075838 | CERAMIC FIBER AND METHOD FOR PRODUCTION OF CERAMIC FIBER - There is provided a method for production of ceramic fibers that have small fiber diameters and adequate photocatalytic activity even when exposed to high-temperature environments, the method providing cost advantages and a safe production environment. Specifically, a composition containing titanium atoms, silicon atoms and aluminum atoms is used for production of a fiber aggregate from the composition by electrospinning, followed by calcination to obtain ceramic fiber with a mean fiber diameter of between 50 nm and 1000 nm. | 03-25-2010 |
20100087311 | SILICA BASE COMPOSITE PHOTOCATALYST AND PROCESS FOR PRODUCING THE SAME - A silica base composite photocatalyst that has appropriate water purification capability, inhibiting precipitation of metal oxides; and a process for producing the same. The silica base composite photocatalyst is one composed mainly of a composite oxide phase consisting of an oxide phase (first phase) composed mainly of silica component and a titania phase (second phase) wherein the ratio of presence of the second phase increases aslope toward the surface layer, characterized in that at least one metal oxide selected from among strontium titanate and barium titanate is contained in the second phase. | 04-08-2010 |
20100093524 | SILICA-BASED COMPOSITE OXIDE FIBER, CATALYST FIBER COMPRISING THE SAME, AND PROCESS FOR PRODUCING THE SAME - An object is to provide a silica-based composite oxide fiber which is a continuous fiber high in strength and has, in the fiber surface thereof, mesopores each having an appropriate size, and to provide a catalyst fiber, containing the silica-based composite oxide fiber, in which a noble metal catalyst can be selectively carried into its pores, whereby preventing sintering of the noble metal catalyst. | 04-15-2010 |
20100105546 | Nickel-Based Reforming Catalysts - The present invention relates unique pore structures in nickel supported on alumina with the negligible formation of macropores. Incorporation of additional elements stabilizes the pore structure of the nickel supported on alumina. Additional element(s) were then further added into the nickel-supported materials. These additional element(s) further stabilize the pore structures under heating conditions. The improvements of pore structure stability under heating conditions and negligible presence of macropores limit the sintering of nickel metal to a mechanism of impeded diffusion. The negligible presence of macropores also limits the deposition of alkali metal hydroxide(s)/carbonate(s) on the outer shell of the catalyst pellet in the molten carbonate fuel cells. Both the negligible presence of macropores and improvement in pore structure stability allow for prolonging the catalyst life of these nickel supported on alumina catalysts of the present invention for reforming hydrocarbons. | 04-29-2010 |
20100120609 | PHOTOCATALYST - Silicon titanium mixed oxide powder having the following features: BET surface area of 5 to 300 m | 05-13-2010 |
20100120610 | SILOXANE REMOVAL VIA SILICATE FORMATION FOR LIFETIME EXTENSION OF PHOTOCATALYTIC DEVICES - A photocatalytic device for reacting with volatile organic compounds includes a photocatalyst and at least one additive, such as hafnium oxide and zirconium oxide, that is capable of forming a stable silicate with silicon dioxide. The additive reacts with volatile silicon-containing compounds to form stable silicate compounds. As a result, the silicon-containing compounds are unavailable for deactivation of the photocatalyst. | 05-13-2010 |
20100173771 | CATALYSTS HAVING ENHANCED STABILITY, EFFICIENCY AND/OR ACTIVITY FOR ALKYLENE OXIDE PRODUCTION - A catalyst for the manufacture of alkylene oxide, for example ethylene oxide, by the vapor-phase epoxidation of alkene containing impregnated silver and at least one efficiency-enhancing promoter on an inert, refractory solid support, said support incorporating a sufficient amount of zirconium component (present and remaining substantially as zirconium silicate) as to enhance at least one of catalyst activity, efficiency and stability as compared to a similar catalyst which does not contain the zirconium component. | 07-08-2010 |
20100184593 | METHOD TO ACTIVATE A CATALYST FOR A CONTINUOUS PROCESS FOR THE PREPARATION OF PHENOL FROM BENZENE IN A FIXED BED REACTOR - A process to activate a titanium silicalite catalyst for the oxidation of benzene to phenol is provided. The catalyst is activated in the reactor for the oxidation by feeding to a reactor containing the titanium silicalite catalyst, during a time of from 2 to 6 hours, at a temperature ranging from 20 to 120° C., an aqueous solution of ammonium acid fluoride in a concentration ranging from 0.1% to 1% by weight; and hydrogen peroxide in a concentration ranging from 3% to 10% by weight; feeding water to the reactor at the end of the reaction; and drying or calcining the catalyst contained in the reactor to obtain the activated catalyst. The catalyst is represented by the formula: | 07-22-2010 |
20100197487 | TITANIUM DIOXIDE LAYER WITH IMPROVED SURFACE PROPERTIES - In a thermocatalytically active titanium dioxide coating, based on a sol-gel system, the titanium dioxide coating contains a structuring component and/or is produced by a structuring method. | 08-05-2010 |
20100197488 | METHOD FOR PRODUCING A SHELL CATALYST AND CORRESPONDING SHELL CATALYST - The present invention relates to a method for producing a shell catalyst which comprises a porous shaped catalyst support body with an outer shell in which at least one catalytically active species is present. In order to provide a shell catalyst production method by means of which shell catalysts can be produced, said shell catalysts having, over a comparatively large region of their shell thickness, a substantially uniform concentration of catalytically active species and having a substantially uniform shell thickness, what is proposed is a method using an device which is designed to generate, by means of a process gas, a fluid bed of shaped catalyst support bodies in which the shaped catalyst support bodies circulate elliptically or toroidally, preferably toroidally, comprising the steps of charging the device with shaped catalyst support bodies and generating a shaped catalyst support body fluid bed by means of a process gas, the shaped catalyst support bodies circulating elliptically or toroidally in the fluid bed, preferably toroidally; impregnating an outer shell of the shaped catalyst support body with a catalytically active species or precursor thereof by spraying the shaped catalyst support bodies circulating elliptically or toroidally in the fluid bed with a solution comprising a catalytically active species or a precursor thereof; drying the shaped catalyst support bodies sprayed with the solution. | 08-05-2010 |
20100248951 | HONEYCOMB STRUCTURE AND METHOD FOR MANUFACTURING HONEYCOMB STRUCTURE - A honeycomb structure includes cells and aluminum titanate. The cells are provided substantially in parallel with one another in a longitudinal direction of the honeycomb structure. The cells are each sealed at either one end. The aluminum titanate includes about 40% to about 60% by mass of Al | 09-30-2010 |
20110045967 | CATALYST COMPOSITIONS BASED ON NANOPARTICLES OF A ZIRCONIUM OXIDE, A TITANIUM OXIDE OR A MIXED ZIRCONIUM/TITANIUM OXIDE DEPOSITED ONTO A SILICA SUPPORT THEREFOR - Catalyst compositions include finely divided nanoscale particles of at least one supported oxide, based on a zirconium oxide, a titanium oxide or a mixed zirconium/titanium oxide deposited onto a silica based support, wherein, after calcination for 4 hours at 900° C., the at least one supported oxide is in the form of nanoscale particles deposited onto the support, the size of the particles being at most 5 nm when the at least one supported oxide is based on a zirconium oxide, being at most 10 nm when the at least one supported oxide is based on a titanium oxide and being at most 8 nm when the at least one supported oxide is based on a mixed zirconium/titanium oxide; such catalyst compositions are especially useful for the selective reduction of NOx. | 02-24-2011 |
20110053763 | CATALYST COMPOSITIONS BASED ON NANOPARTICLES OF A ZIRCONIUM OXIDE, A TITANIUM OXIDE OR A MIXED ZIRCONIUM/TITANIUM OXIDE DEPOSITED ONTO AN ALUMINA OR ALUMINUM OXYHYDROXIDE SUPPORT THEREFOR - Catalyst compositions include finely divided nanoscale particles of at least one supported oxide selected from among zirconium oxide, titanium oxide or a mixed zirconium/titanium oxide deposited onto an alumina-based or aluminum-oxyhydroxide-based support, wherein, after calcination for 4 hours at 900° C., the at least one support oxide is in the form of nanoscale particles deposited onto the support, the size of said particles being at most 10 nm when the at least one supported oxide is based is zirconium oxide and being at most 15 nm when the at least one supported oxide is titanium oxide or a mixed zirconium/titanium oxide; such catalyst compositions are especially useful for the selective reduction of NOx. | 03-03-2011 |
20110059842 | Tungstated Zirconia Nanocatalysts - A new type of solid acid catalyst, which promises better catalytic performance than conventionally prepared supported metal oxides due to its precisely synthesized nanostructure has been described. The catalyst is nanoparticulate in form and is comprised of monolayers of tungstated zirconia of the formula, WOxZryO4-2y made by impregnating a support with zirconium and tungsten. The support catalyst is further characterized in having a tugsten monolayer between greater than 0001 W/nm2 to about 30 W/nm2. | 03-10-2011 |
20110071017 | CERIUM OXIDE-ZIRCONIUM OXIDE-BASED MIXED OXIDE AND METHOD FOR PRODUCING THEREOF - The present invention provides a cerium oxide-zirconium oxide-based mixed oxide having superior platinum dispersibility and a suitable OSC, and a simple production process thereof. The cerium oxide-zirconium oxide-based mixed oxide comprises cerium oxide and zirconium oxide, wherein (1) the weight ratio of CeO | 03-24-2011 |
20110111952 | EXHAUST GAS PURIFYING CATALYST AND METHOD FOR PRODUCING THE SAME - An exhaust gas purifying catalyst ( | 05-12-2011 |
20110287928 | LOW LEVEL NOBLE METAL-SUPPORTING THREE-WAY CATALYST - The invention provides a catalyst for catalytically removing three components which are carbon monoxide, hydrocarbons and nitrogen oxides from combustion exhaust gas generated by combusting fuel in the neighborhood of the stoichiometric air to fuel ratio by bringing the combustion exhaust gas into contact therewith, the catalyst comprising:
| 11-24-2011 |
20110294659 | PHOTOCATALYTIC MIXTURE FOR THE DEGRADATION OF NITROGEN OXIDES - A first aspect of the invention consists of a photocatalytic mixture designed to obtain degradation of nitrogen oxides through synergic combination of the two compounds: TiO | 12-01-2011 |
20110301022 | PROCESS FOR PREPARING COPPER-BASED CATALYST, COPPER-BASED CATALYST, AND PRETREATMENT METHOD OF THE SAME - There is provided by the present invention a process for preparing a copper-based catalyst having good catalytic activity, markedly excellent durability and good reproducibility. The process for preparing a copper-based catalyst of the invention is a process for preparing a catalyst composed of metal oxides containing copper oxide as an essential component and is characterized by comprising the following steps: (1) a step of bringing an acidic metal salt solution containing copper and a precipitant solution into contact with each other to obtain a slurry solution containing a precipitate of a catalyst precursor, and (2) a step of continuously bringing the slurry solution and a wash liquid into contact with each other to wash the precipitate, with substantially keeping the suspended state. | 12-08-2011 |
20110301023 | HIGH TEMPERATURE STABLE ANATASE TITANIUM DIOXIDE - The disclosure relates to a process for making anatase titanium dioxide which is stable at temperatures above 900° C., comprising:
| 12-08-2011 |
20120021898 | HYDROTHERMAL PERFORMANCE OF CATALYST SUPPORTS - A high surface area catalyst with a mesoporous support structure and a thin conformal coating over the surface of the support structure. The high surface area catalyst support is adapted for carrying out a reaction in a reaction environment where the thin conformal coating protects the support structure within the reaction environment. In various embodiments, the support structure is a mesoporous silica catalytic support and the thin conformal coating comprises a layer of metal oxide resistant to the reaction environment which may be a hydrothermal environment. | 01-26-2012 |
20120028793 | DUAL-OXIDE SINTER RESISTANT CATALYST - A catalyst material for use at elevated temperatures is provided. The material can include a plurality of fibers and a plurality of particles supported on the fibers. In addition, a porous layer can cover the plurality of particles and allow for process fluid to come into contact with the particles, and yet retard sintering of the particles at elevated temperatures is present. The plurality of fibers can be a plurality of nanofibers which may or may not be oxide nanofibers. The particles can be metallic nanoparticles and the porous layer can be a porous oxide layer. | 02-02-2012 |
20120122668 | Photocatalytic Nanocomposite Material - The present invention relates to a photocatalytic nanocomposite material, wherein the realization of the optimal wavelength for optical activation is controlled and accordingly is designed to work together with a LED operating at the wavelength for yielding the maximum efficiency. | 05-17-2012 |
20120190537 | CATALYST SUPPORT FROM FLAME-SPRAY PYROLYSIS AND CATALYST FOR AUTOTHERMAL PROPANE DEHYDROGENATION - The invention relates to a method of production of catalyst support particles, containing zirconium dioxide and optionally silicon oxide, comprising the steps
| 07-26-2012 |
20120190538 | CATALYST FROM FLAME-SPRAY PYROLYSIS AND CATALYST FOR AUTOTHERMAL PROPANE DEHYDROGENATION - The invention relates to a method of production of catalyst particles, comprising platinum and tin and also at least one further element, selected from lanthanum and cesium, on zirconium dioxide as support, comprising the steps: preparation of one or more solutions containing precursor compounds of Pt, Sn and at least one further element of La or Cs and also ZrO | 07-26-2012 |
20120238442 | NANOPARTICLES INCLUDING METAL OXIDE HAVING CATALYTIC ACTIVITY - Core-shell nanoparticles having a core material and a mesoporous silica shell, and a method for manufacturing the core-shell nanoparticles are provided. | 09-20-2012 |
20120245022 | Processes for Making Tin-Containing Catalysts - 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. | 09-27-2012 |
20120302436 | GRANULES COMPRISING SILICA AND TITANIA - A granulated material comprising a mixed silicon-titanium oxide powder, wherein a proportion of TiO | 11-29-2012 |
20130040808 | CATALYST COMPOSITION FOR SELECTIVE CATALYTIC REDUCTION OF EXHAUST GASES - A catalyst composition comprising a vanadate represented by the formula XVO | 02-14-2013 |
20130172176 | Low-Alkali Catalyst Material and Process for Preparation Thereof - A catalyst material, more specifically a catalyst material based on TiO2/SiO2 in particulate form having a content of metal in the form of the metal oxide or metal oxide precursor, to processes for preparation thereof and to the use thereof in chemical catalysis, especially for removal of pollutants, such as nitrogen oxides from combustion gases | 07-04-2013 |
20130172177 | SINTERING-STABLE HETEROGENEOUS CATALYSTS - A catalyst comprising (i) a support, (ii) metal particles and (iii) a shell which is arranged between the metal particles, wherein the shell (iii) comprises silicon oxide. | 07-04-2013 |
20130210617 | COMPOSITION BASED ON OXIDES OF CERIUM, OF NIOBIUM AND, OPTIONALLY, OF ZIRCONIUM AND USE THEREOF IN CATALYSIS - A composition based on cerium and niobium oxide in a proportion of niobium oxide of 2% to 20% is described. This composition can include zirconium oxide, optionally 50% of cerium oxide, 2% to 20% of niobium oxide, and at most 48% of zirconium oxide. Also described, is the use of the composition for treating exhaust gases. | 08-15-2013 |
20130252807 | SULFUR-RESISTANT CATALYST SUPPORT MATERIAL - A catalyst support material and a catalyst system incorporating said support material along with a method of making the same is provided for use in applications in which the support material is exposed to sulfur-containing impurities. The catalyst support material generally comprises an inorganic oxide base material having a surface and pores of predetermined size; and a zirconium layer adapted to interact with the surface and sized to be received by the pores of the base material. The catalyst support material being prepared by applying a layer of a zirconium compound to the surface and pores of an inorganic oxide base material followed by calcination in order to convert the zirconium compound to a metal, a metal oxide, or a mixture thereof. | 09-26-2013 |
20130310247 | Ceramic Body Composed of an Aluminum Titanate Mixture - A ceramic body based on an aluminum titanate system has the following composition:
| 11-21-2013 |
20130331259 | SILICA-STABILIZED ULTRAFINE ANATASE TITANIA, VANADIA CATALYSTS, AND METHODS OF PRODUCTION THEREOF - The invention is directed to compositions and processes for the production of silica-stabilized ultrafine anatase titanias and which may further comprise tungsten and vanadia. The surface stabilization may be by treatment of the TiO | 12-12-2013 |
20140018234 | CATALYST, PROCESS FOR PRODUCING THE CATALYST, USE OF THE CATALYST - A catalyst especially for oxidation of exhaust gas constituents, for example nitrogen oxide, preferably nitrogen monoxide, consists of a particulate support material composed of titanium-containing nanoparticles, preferably titanium oxide nanoparticles, especially titanium dioxide nanoparticles coated with platinum, especially platinum particles. A process for producing such a catalyst. | 01-16-2014 |
20140100105 | METHOD FOR MANUFACTURING MICROPARTICULATE ANATASE OR RUTILE TITANIUM OXIDE DISPERSION AND COMPONENT HAVING PHOTOCATALYTIC THIN FILM ON SURFACE - A method for manufacturing a microparticulate anatase or rutile titanium oxide dispersion from a peroxotitanic acid solution optionally containing tin, wherein the method for manufacturing an anatase or rutile titanium oxide dispersion is characterized in that the peroxotitanic acid solution is fed continuously to a flow reactor and subjected to hydrothermal treatment at 150 to 250° C. and 0.5 to 10 MPa. The invention makes it possible to provide a method for manufacturing a microparticulate anatase or rutile titanium oxide dispersion having excellent stability in regard to the titanium oxide microparticles and enabling a high-transparency photocatalytic thin film to be produced, and to provide a member having a photocatalytic thin film formed on the surface using this dispersion. | 04-10-2014 |
20140113806 | BASIC CATALYST SUPPORT BODY HAVING A LOW SURFACE AREA - A catalyst support body containing an SiO | 04-24-2014 |
20140113807 | EXHAUST EMISSION CONTROL CATALYST - An exhaust emission control catalyst disclosed herein is equipped with a rhodium catalytic layer and a platinum catalytic layer, and is characterized in that a relationship between a mole average (X) of a Pauling's electronegativity that is calculated as to elements included in the rhodium catalytic layer except platinum group elements and oxygen and a mole average (Y) of a Pauling's electronegativity that is calculated as to elements included in the platinum catalytic layer except platinum group elements and oxygen is 1.30≦X≦1.45 and 1.47≦Y≦2.0. According to this exhaust emission control catalyst, an interlayer transfer of platinum and/or rhodium and the alloying of platinum and/or rhodium are suppressed during use of the catalyst, and high exhaust gas purification performance can be exerted. | 04-24-2014 |
20140155257 | CATALYST FROM FLAME-SPRAY PYROLYSIS AND CATALYST FOR AUTOTHERMAL PROPANE DEHYDROGENATION - The invention relates to a method of production of catalyst particles, comprising platinum and tin and also at least one further element, selected from lanthanum and cesium, on zirconium dioxide as support, comprising the steps: preparation of one or more solutions containing precursor compounds of Pt, Sn and at least one further element of La or Cs and also ZrO | 06-05-2014 |
20140187415 | COMPLEX OXIDE, METHOD FOR PRODUCING SAME, AND EXHAUST GAS PURIFICATION CATALYST - Provided are: a complex oxide that exhibits high redox ability even at low temperatures, has excellent heat resistance, and stably retains these characteristics even on repeated oxidation and reduction at high temperature; a method for producing the same; and an exhaust gas purification catalyst. The inventive complex oxide contains Ce; rare earth metal element other than Ce, including Y; Al and/or Zr; and Si; such that the Ce, and said other elements other than Ce and Si, are present in a mass ratio of 85:15-99:1, calculated as oxides; and has a characteristic such that when it is subjected to temperature-programmed reduction (TPR) measurement in a 10% hydrogen-90% argon atmosphere at from 50° C. to 900° C. with the temperature increasing at a rate of 10° C./min, followed by oxidation treatment at 500° C. for 0.5 hours, and then temperature-programmed reduction measurement is performed again, its calculated reduction rate at and below 400° C. is at least 2.0%. | 07-03-2014 |
20140206529 | APPARATUS AND METHOD FOR MANUFACTURING SILICA-TITANIA CATALYST - Provided are an apparatus and method for preparing a silica-titania catalyst. The apparatus for preparing a silica-titania catalyst, comprising: precursor supplying units; an oxygen supplying line; a reaction unit; and a recovering unit, wherein the precursor supplying units vaporize a silica precursor and titania precursor and supply them to the reaction unit, wherein the oxygen supplying line supplies an oxygen source to the reaction unit, wherein the reaction unit converts vaporizates of the silica precursor and titania precursor supplied from the precursor supplying units to produce a silica-titania catalyst, wherein the recovering unit cools, condenses and collects the silica-titania catalyst produced at the reaction unit, wherein the recovering unit comprises a cooler for cooling the silica-titania catalyst introduced from the reaction unit, and the cooler comprises a turbulence-forming section on a flow path of the silica-titania catalyst. | 07-24-2014 |
20140309103 | VISIBLE-LIGHT-RESPONSIVE TITANIUM OXIDE MICROPARTICLE DISPERSION, METHOD FOR MANUFACTURING SAME, AND MEMBER HAVING SURFICIAL PHOTOCATALYST THIN FILM FORMED USING SAME DISPERSION - Provided is a visible-light-responsive titanium oxide microparticle dispersion or the like readily enabling manufacture of a highly transparent photocatalyst thin film demonstrating photocatalyst activity even using visible light alone, and having exceptional titanium oxide microparticle dispersion stability even after storage for prolonged periods of time in cold and dark interior locations. The present invention makes it possible to: produce a peroxotitanic acid solution containing vanadium and a tin compound from a titanium compound, a vanadium compound, a tin compound, a basic substance, hydrogen peroxide, and an aqueous dispersion medium as starting materials; subject the peroxotitanic acid solution to a hydrothermal reaction under high pressure; subsequently admix a copper compound into the acid solution; and obtain a visible-light-responsive titanium oxide microparticle dispersion or the like. | 10-16-2014 |
20140329670 | CONSTRUCTION MATERIAL MIXTURE, A METHOD FOR PRODUCING SAME, AND USE THEREOF - A construction material mixture used as a concrete additive contains a puzzolanic substrate and a photocatalyst. The puzzolanic substrate and the photocatalyst are available in the form of a dry mixture. The construction material mixture is a cement free dry mixture, wherein the photocatalyst has a primary particle size of between 2 nm and 100 nm. The puzzolanic substrate consists of at least 90 weight % of fly ash with a grain size of between 0.1 μm and 1 mm. The substrate and the photocatalyst are available completely mixed so that the photocatalyst is at least partially distributed on the surface of the substrate. | 11-06-2014 |
20140342902 | PRODUCTION METHOD OF BASE METAL CATALYST FOR EXHAUST GAS PURIFICATION (AS AMENDED) - To provide a production method of a base metal catalyst for exhaust gas purification and with a catalyst activity, in which a base metal-supported catalyst is uniformly supported by a honeycomb substrate. A production method of a catalyst for exhaust gas purification, comprising the steps of preparing a honeycomb substrate having a plurality of cells, preparing a base metal-supported catalyst comprising a carrier supporting a metal containing a base metal having an exhaust gas purification performance, preparing a slurry having a pH of 7 or more by dispersing the base metal-supported catalyst in an aqueous solution, and introducing the slurry to a partition wall surface of the honeycomb substrate. | 11-20-2014 |
20140364304 | COMPOSITE OXIDE, METHOD FOR PRODUCING THE SAME, AND CATALYST FOR EXHAUST GAS PURIFICATION - A composite oxide and a catalyst for purifying exhaust gas using the same are provided, which oxide has excellent heat resistance, including that a large specific surface area is maintained even when the composite oxide is used in a high temperature environment, and that, even after calcination at 800° C. for 2 hours, no AECeO | 12-11-2014 |
20150038324 | CATALYST SUPPORT MATERIALS, CATALYSTS, METHODS OF MAKING THEM AND USES THEREOF - Catalyst support materials, catalysts, methods of making such and uses thereof are described. Methods of making catalyst support material include combining anatase titania slurry with i) a low molecular weight form of silica; and ii) a source of Mo to form a TiO | 02-05-2015 |
20150045211 | Chromia Alumina Catalysts For Alkane Dehydrogenation - Provided are methods of making dehydrogenation catalyst supports containing bayerite and silica. Silica-stabilized alumina powder, prepared by spray drying of bayerite powder, precipitating silica in a bayerite slurry with an acid, or impregnation or co-extrusion of bayerite with sodium silicate solution was found to be a superior catalyst support precursor. Catalysts prepared with these silica containing support materials have higher hydrothermal stability than current CATOFIN® catalysts. Also provided is a dehydrogenation catalyst comprising Cr | 02-12-2015 |
20150290629 | CATALYST FOR THE OXIDATIVE CONVERSION OF HYDROCARBON GASES TO PRODUCE CARBON MONOXIDE AND HYDROGEN - The catalyst may be used to obtain hydrogen or synthesis gas for chemical industry in processes of partial oxidation, steam reforming, and autothermal reforming of a hydrocarbon feed. The catalyst of oxidative conversion of gaseous hydrocarbons to form carbon monoxide and hydrogen contains platinum-group metals and an oxide composition and characterized in that the platinum-group metals include Pt, Pd, and Rh and the oxide composition is obtained from a mixture of a sol of Al, Si, and Zr hydroxides with particles of Ni, Mg and/or Ce oxides with a size of 5-30 nm, that were obtained by spray-pyrolysis of a solution of Ni, Mg and/or Ce salts. | 10-15-2015 |
20150291799 | Pigment with Photocatalytic Activity, Method for the Production Thereof and Coating Agent - The invention relates to pigments with a non-metallic substrate, wherein the pigments have at least one barrier layer that selectively absorbs light and/or electrons and at least one photocatalytically active layer, wherein the at least one barrier layer is arranged between the non-metallic substrate and the at least one photocatalytically active layer. The invention furthermore relates to a method for producing the pigments and to a coating agent. | 10-15-2015 |
20150306574 | Hydrogenation Catalysts Comprising a Mixed Oxide Comprising Nickel - A process is disclosed for producing ethanol comprising contacting acetic acid and hydrogen in a reactor in the presence of a catalyst comprising a binder and a mixed oxide comprising nickel and tin. | 10-29-2015 |
20150352531 | Rhodium-Iron Catalysts - The present disclosure describes rhodium iron catalysts of use in catalyst systems. Disclosed here are TWCs configured to include a substrate and one or more of a washcoat layer, an impregnation layer, and/or an overcoat layer. Disclosed herein are one or more of a washcoat layer and/or an overcoat layer formed using a slurry that includes one or more of an oxygen storage material, a refractory support oxide, iron, and rhodium. Disclosed herein are methods of preparing catalysts wherein a washcoat layer is deposited onto the substrate, one or more impregnation layers may be deposited onto the washcoat layer, one or more overcoat layers may be deposited onto the impregnation washcoat layer, and one or more additional impregnation layers may be deposited onto the one or more washcoat layers. | 12-10-2015 |
20150352532 | Three-way Catalyst Systems Including Fe-activated Rh and Ba-Pd Material Compositions - Three way catalysts (TWCs) for catalyst systems are disclosed. The disclosed TWC systems include Iron (Fe)-activated Rhodium (Rh) and Barium (Ba)-Palladium (Pd) layers capable of interacting with conventional and/or non-conventional catalyst supports and additives. Variations of TWC system samples are produced including Fe-activated Rh layers deposited onto a washcoat (WC) layer having one or more of an oxygen storage material (OSM). Other TWC system samples are produced including an impregnation (IMPG) layer having loading variations of Ba within a Pd, Ce, and Nd applied onto an OSM WC layer, and a further overcoat layer including Fe-activated Rh is applied onto the IMPG layer. The catalytic performance of disclosed TWC catalysts is evaluated by performing a series of light-off tests, wide pulse perturbation tests, and standard isothermal oxygen storage capacity oscillating tests. Disclosed TWC catalysts exhibit high catalytic performance and significant oxygen storage capacity. | 12-10-2015 |
20160016151 | METHOD FOR PRODUCING LACTIDE DIRECTLY FROM LACTIC ACID AND A CATALYST USED THEREIN - The present invention provides a method for directly producing lactide by subjecting lactic acid to a dehydration reaction in the presence of a catalyst comprising a tin compound, preferably, a tin (IV) compound, wherein lactide can be produced directly or by one step from lactic acid, without going through the step of producing or separating lactic acid oligomer. The method of the present invention has advantages of causing no loss of lactic acid, having a high conversion ratio to lactic acid and a high selectivity to optically pure lactide, and maintaining a long life time of the catalyst. Further, since lactic acid oligomer is not or hardly generated and the selectivity of meso-lactide is low, the method also has an advantage that the cost for removing or purifying this can be saved. | 01-21-2016 |
20160023190 | OXYGEN CARRYING MATERIALS AND METHODS FOR MAKING THE SAME - A method for producing an oxygen carrying material may include forming a mixture that includes powders of active mass precursor, support material precursor, and inert structure precursor, and producing the oxygen carrying material by heating the mixture at a temperature of greater than 1300° C. for a time sufficient to sinter the inert structure precursor to form a high-strength inert structure. The inert structure precursor may be one or more refractory ceramic components. | 01-28-2016 |
20160074834 | SILICA-STABILIZED ULTRAFINE ANATASE TITANIA, VANADIA CATALYSTS, AND METHODS OF PRODUCTION THEREOF - The invention is directed to compositions and processes for the production of silica-stabilized ultrafine anatase titanias and which may further comprise tungsten and vanadia. The surface stabilization may be by treatment of the TiO | 03-17-2016 |
20160250621 | DISPERSION LIQUID OF TITANIUM OXIDE-TUNGSTEN OXIDE COMPOSITE PHOTOCATALYTIC FINE PARTICLES, PRODUCTION METHOD FOR SAME, AND MEMBER HAVING PHOTOCATALYTIC THIN FILM ON SURFACE THEREOF | 09-01-2016 |
20170232423 | PHOTOCATALYIC COATING | 08-17-2017 |
20220135708 | Aqueous Titanation of Cr/Silica Catalysts by the Use of Acetylacetonate and Another Ligand - A method comprising contacting a silica support with a titanium-containing solution to form a titanated silica support, wherein the titanium-containing solution comprises a solvent; a ligand comprising a glycol, a carboxylate, a peroxide, or a combination thereof, and a titanium compound having the formula Ti(acac) | 05-05-2022 |