Entries |
Document | Title | Date |
20090029850 | Method for Preparing a Catalyst for Dehydrogenation of Cyclohexanol - A copper oxide based catalyst for dehydrogenation of cyclohexanol which is a copper oxide-zinc oxide based catalyst or a copper oxide-silicon oxide based catalyst further comprising one of palladium, platinum and ruthenium in a very small amount; and a method for preparing the copper oxide based catalyst which comprises combining the co-precipitation method or the kneading method and the spray method. The copper oxide based catalyst for dehydrogenation of cyclohexanol exhibits high activity and high selectivity, and thus may be used for producing cyclohexanone at a reduced reaction temperature and/or with an enhanced yield, as compared to a conventional catalyst. | 01-29-2009 |
20090048097 | PROCESS FOR THE PREPARATION OF AN OXIDIC CATALYST COMPOSITION COMPRISING A DIVALENT AND A TRIVALENT METAL - Process for the preparation of an oxidic catalyst composition consisting of one or more trivalent metals preferably aluminum, one or more divalent metals preferably magnesium and more than 18 wt % of one or more compounds selected from the group consisting of rare earth metal compounds, phosphorus compounds, and transition metal compounds, which process comprises the steps of preparing a precursor mixture consisting of (i) or more trivalent metal compounds, (ii) one or more divalent metal compounds, (iii) one or more compounds selected from the group consisting of rare earth metal compounds, and transition metal compounds, and (iv) optionally water, which precursor mixture is not a solution. The resulting oxidic catalyst composition is suitable as a metal trap and SOx sorbent FCC processes. | 02-19-2009 |
20090325788 | CATALYST SUPPORTS AND CARBON NANOTUBES PRODUCED THEREON - The present invention is related to single and/or multiple-wall carbon nanotubes which may contain interstitial metals obtainable by a preparation process, comprising a catalytic step using a catalytic system, said catalytic system comprising a catalyst and a support, said support comprising hydroxides and/or carbonates or mixtures thereof with or without metal oxides. The present invention is also related to carbon fibers obtainable by said preparation process. The present invention also pertains in particular to said catalytic system and to said preparation process. Another aspect concerns the use of the nanotubes and of the catalytic system according to the invention. | 12-31-2009 |
20100298124 | Porous Bodies and Methods - Systems and methods for treating a fluid with a body are disclosed. Various aspects involve treating a fluid with a porous body. In select embodiments, a body comprises ash particles, and the ash particles used to form the body may be selected based on their providing one or more desired properties for a given treatment. Various bodies provide for the reaction and/or removal of a substance in a fluid, often using a porous body comprised of ash particles. Computer-operable methods for matching a source material to an application are disclosed. Certain aspects feature a porous body comprised of ash particles, the ash particles have a particle size distribution and interparticle connectivity that creates a plurality of pores having a pore size distribution and pore connectivity, and the pore size distribution and pore connectivity are such that a first fluid may substantially penetrate the pores. | 11-25-2010 |
20100331172 | CATALYST CARRIER, CATALYST AND PROCESS FOR PRODUCING THE SAME - The present invention provides a catalyst carrier having excellent durability and capable of attaining high catalytic ability without increasing the specific surface area thereof, and a catalyst obtainable by using the catalyst carrier. The catalyst carrier of the present invention comprises a metal oxycarbonitride, preferably the metal contained in the metal oxycarbonitride comprises at least one selected from the group consisting of niobium, tin, indium, platinum, tantalum, zirconium, copper, iron, tungsten, chromium, molybdenum, hafnium, titanium, vanadium, cobalt, manganese, cerium, mercury, plutonium, gold, silver, iridium, palladium, yttrium, ruthenium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, and nickel. Moreover, the catalyst of the present invention comprises the catalyst carrier and a catalyst metal supported on the catalyst carrier. | 12-30-2010 |
20110034327 | PROCESS FOR PREPARING CATALYSTS - A process for manufacturing a catalyst composition comprises the steps of (i) precipitating one or more metal compounds from solution using an alkaline precipitant, preferably comprising an alkaline carbonate, optionally in the presence of a thermostabilising material, ii) ageing the precipitated composition, and (iii) recovering and drying the aged composition, wherein the ageing step is performed using a pulse-flow reactor. | 02-10-2011 |
20110172086 | SHAPED HETEROGENEOUS CATALYSTS - A catalyst unit is described comprising a cylinder with a length C and a diameter D, wherein said unit has five holes arranged in a pentagonal pattern extending longitudinally therethrough, with five flutes running along the length of the unit, said flutes positioned equidistant adjacent holes of said pentagonal pattern. The catalyst may be used particularly in steam reforming reactors. | 07-14-2011 |
20120088655 | EXHAUST GAS-PURIFYING CATALYST, POWDERY MATERIAL, AND METHOD OF MANUFACTURING EXHAUST GAS-PURIFYING CATALYST - An exhaust gas-purifying catalyst includes a substrate, and a catalytic layer supported by the substrate. The catalytic layer includes a support made of alumina, an oxygen storage material, an alkaline earth metal and/or a compound of alkaline-earth metal selectively supported by a surface of the support and dispersed on the surface of the support, and a precious metal supported by the surface of the support. A ratio of a number of moles of the alkaline-earth metal in the catalytic layer with respect to a volumetric capacity of the exhaust gas-purifying catalyst falls within a range of 0.0004 mol/L to 0.35 mol/L. | 04-12-2012 |
20120115710 | CATALYST FOR SYNTHESIS OF HYDROCARBONS FROM CO AND H2 AND PREPARATION METHOD THEREOF - The present invention relates to petrochemistry, gas chemistry, coal chemistry, particularly the invention relates to a catalyst for synthesis of hydrocarbons from CO and H | 05-10-2012 |
20120172208 | METHODS FOR SILVER PROMOTED FLUORINATION OF ORGANIC MOLECULES - The methods of the disclosure may be used for the fluorination of organic compounds, and in particular aryl organic compounds other than just benzyl halogens. It is within the scope of the present disclosure, for organic compounds comprising an electrophilic carbon atom and a halogen leaving group to be fluorinated by the methods of the disclosure. One aspect of the disclosure provides methods of introducing a fluorine atom onto an electrophilic carbon atom, comprising mixing an insoluble basic silver salt, an organic molecule containing a leaving group, an aqueous solution of hydrofluoric acid, and a polar solvent:water composition; incubating said mixture at a temperature of about 20° C. to about 35° C., thereby obtaining a fluorinated organic product. | 07-05-2012 |
20120220451 | OXIDATION CATALYST, ABSORBENT, AND MATERIAL FOR PURGING HARMFUL SUBSTANCES - An oxidation catalyst, comprising a carbon material prepared by calcining a transition metal compound and a nitrogen-containing organic substance, or a transition metal compound, a nitrogen-containing organic substance, and a carbon compound not containing nitrogen, the oxidation catalyst oxidizing at least one target substance selected from the group consisting of NO, CO, NH | 08-30-2012 |
20120264594 | ELECTROCATALYSTS BASED ON MONO/PLURIMETALLIC CARBON NITRIDES FOR FUEL CELLS FUELED WITH HYDROGEN - The invention describes the preparation of electrocatalysts, both anodic (aimed at the oxidation of the fuel) and cathodic (aimed at the reduction of the oxygen), based on mono- and plurimetallic carbon nitrides to be used in PEFC (Polymer electrolyte membrane fuel cells), DMFC (Direct methanol fuel cells) and H | 10-18-2012 |
20130288887 | METHOD FOR PREPARING A NANO-CALCIUM CARBONATE SLURRY FROM WASTE GYPSUM AS CALCIUM SOURCE, THE PRODUCT AND USE THEREOF - The present invention discloses a process for producing a nano calcium carbonate slurry from a feedstock of waste gypsum, wherein: an aqueous gypsum slurry of the feedstock is mixed with ammonia water by stirring; with CO | 10-31-2013 |
20130288888 | CARBON CATALYST, METHOD FOR PRODUCING CARBON CATALYST, FUEL CELL, ELECTRICITY STORAGE DEVICE, AND USE OF CARBON CATALYST - A carbon catalyst which has high catalytic activity and can achieve high catalyst performance is provided. The carbon catalyst comprises nitrogen. The energy peak area ratio of the first nitrogen atom whose electron in the 1s orbital has a binding energy of 398.5±1.0 eV to the second nitrogen atom whose electron in the 1s orbital has a binding energy of 401±1.0 eV (i.e., the value of (the first nitrogen atom)/(the second nitrogen atom)) of the nitrogen introduced into the catalyst is 1.2 or less. | 10-31-2013 |
20130345047 | METHOD AND SYSTEM FOR FORMING PLUG AND PLAY METAL COMPOUND CATALYSTS - A metal compound catalyst is formed by vaporizing a quantity of catalyst material and a quantity of carrier thereby forming a vapor cloud, exposing the vapor cloud to a co-reactant and quenching the vapor cloud. The nanoparticles are impregnated onto supports. The supports are able to be used in existing heterogeneous catalysis systems. A system for forming metal compound catalysts comprises means for vaporizing a quantity of catalyst material and a quantity of carrier, quenching the resulting vapor cloud, forming precipitate nanoparticles comprising a portion of catalyst material and a portion of carrier, and subjecting the nanoparticles to a co-reactant. The system further comprises means for impregnating the of supports with the nanoparticles. | 12-26-2013 |
20140080698 | BIOTEMPLATED INORGANIC MATERIALS - A method of making a metal oxide nanoparticle comprising contacting an aqueous solution of a metal salt with an oxidant. The method is safe, environmentally benign, and uses readily available precursors. The size of the nanoparticles, which can be as small as 1 nm or smaller, can be controlled by selecting appropriate conditions. The method is compatible with biologically derived scaffolds, such as virus particles chosen to bind a desired material. The resulting nanoparticles can be porous and provide advantageous properties as a catalyst. | 03-20-2014 |
20140371057 | Cathode Catalysts for Fuel Cells - A method of preparation of metal-chalcogen-nitrogen-carbon (M-Ch-N—C) catalytic material utilizing a sacrificial support approach and using inexpensive and readily available precursors is described. Furthermore, the catalytic materials synthesized using the disclosed methods include multiple types of active sites. | 12-18-2014 |
20150018198 | METHOD FOR PREPARING CATALYSTS FOR PRODUCING ALCOHOLS FROM SYNTHESIS GAS - The present invention relates to a method of preparing catalysts based on molybdenum sulphide, with an alkaline promoter incorporated, said catalysts being employed in the production of alcohols, especially ethanol, from synthesis gas. The method involves reaction of molybdenum hexacarbonyl (Mo(CO) | 01-15-2015 |
20150357652 | Non-PGM Catalysts for Orr Based on Charge Transfer Organic Complexes - A sacrificial support-based method, a mechanosynthesis-based method, and a combined sacrificial support/mechanosynthesis support based method that enables the production of supported or unsupported catalytic materials and/or the synthesis of catalytic materials from both soluble and insoluble transition metal and charge transfer salt materials. | 12-10-2015 |
20150372311 | CATALYST, PRODUCTION PROCESS THEREFOR AND USE THEREOF - Catalysts of the present invention are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability. The catalyst includes a metal oxycarbonitride containing two metals M selected from the group consisting of tin, indium, platinum, tantalum, zirconium, titanium, copper, iron, tungsten, chromium, molybdenum, hafnium, vanadium, cobalt, cerium, aluminum and nickel, and containing zirconium and/or titanium. Also disclosed is a process for producing the catalyst. | 12-24-2015 |
20160136624 | DEVICE, SYSTEM, AND METHOD FOR PRODUCING ADVANCED OXIDATION PRODUCTS - The present invention relates generally to an advanced oxidation process for providing advanced oxidation products to an environment. More particularly, the present invention provides a wick structure and hydrophilic granules for use in an advanced oxidation process, and methods of making the same. The wick structure and hydrophilic granules may be configured to collect and concentrate water vapor, so that the water vapor may subsequently be used to generate advanced oxidation products that react with and neutralize compounds in an environment, including microbes, odor causing chemicals, and other organic and inorganic chemicals. | 05-19-2016 |
20160190605 | PROCESS FOR PRODUCING CATALYST CARRIER, PROCESS FOR PRODUCING COMPOSITE CATALYST, COMPOSITE CATALYST, AND FUEL CELL USING SAME - A catalyst carrier production process includes a step (a) of mixing a transition metal compound (1), a nitrogen-containing organic compound (2), and a solvent to provide a catalyst carrier precursor solution; a step (b) of removing the solvent from the catalyst carrier precursor solution; and a step (c) of thermally treating a solid residue obtained in the step (b) at a temperature of 500 to 1100° C. to provide a catalyst carrier; wherein the transition metal compound (1) is partly or wholly a compound including a transition metal element (M1) selected from the group 4 and 5 elements of the periodic table as a transition metal element; and at least one of the transition metal compound (1) and the nitrogen-containing organic compound (2) includes an oxygen atom. | 06-30-2016 |
20160199820 | PROMOTED CARBIDE-BASED FISCHER-TROPSCH CATALYST, METHOD FOR ITS PREPARATION AND USES THEREOF | 07-14-2016 |