Class / Patent application number | Description | Number of patent applications / Date published |
502074000 | And Group VIII (Iron Group or Platinum Group) containing | 75 |
20080227629 | OXIDATION CATALYSTS - The present invention relates to an oxidation catalyst comprising a substrate and an oxidation coating of platinum (Pt), palladium (Pd), cobalt (Co), iron (Fe) and cerium (Ce) applied to the substrate. Furthermore the invention relates to a method for producing such an oxidation catalyst and an internal combustion engine using such an oxidation catalyst. | 09-18-2008 |
20080254969 | Method of Preparing Substrates - Molecular Sieve Layers Complex Using Ultrasound and Apparatuses Used Therein - The present invention relates to a method for preparing substrate-molecular sieve layer complex by vising ultra-sound and apparatuses used therein, more particularly to a method for preparing substrate-molecular sieve layer complex by combining substrate, coupling compound and molecular sieve particle, wherein covalent, ionic, coordinate or hydrogen bond between a substrate and a coupling compound; molecular sieve particle and coupling compound; coupling compounds; coupling compound and intermediate coupling compound is induced by using 15 KHz-100 MHz of ultrasound instead of simple reflux to combine substrate and molecular sieve particles by various processes, further to reduce time and energy, to retain high binding velocity, binding strength, binding intensity and density remarkably, to attach molecular sieve particle uniformly onto all substrates combined with coupling compound selectively, even though substrate with coupling compound and substrate without coupling compound exist together; and apparatuses installed therein, which can improve to produce substrate-molecular sieve layer complex ina large scale. | 10-16-2008 |
20080261803 | Modified Zeolite Beta - A modified zeolite beta having an anhydrous chemical formula, by weight % of the oxides, of (0-0.3)Na | 10-23-2008 |
20090036295 | Novel Ion Exchange Process for Making Molecular Sieve Composition - This disclosure relates to a process for preparing a catalyst composition comprising (a) contacting a molecular sieve composition with a solution of a solvent and a solute under ion-exchange conditions to form an exchanged molecular sieve composition, wherein the solute comprises at least one of an amide compound, an imide compound, a strong proton donor, or any combination thereof, the solute has a solubility in the solvent of at least 0.05 g per 100 grams of the solvent, preferably at least 1 gram per 100 grams of the solvent; and (b) separating the exchanged molecular sieve from the mixture of the step (a). | 02-05-2009 |
20090042718 | Direct epoxidation catalyst and process - A catalyst comprising a transition metal zeolite and a noble metal supported on a titania-containing carrier is disclosed. The supported noble metal has a mean mass diameter of from 2 to 200 μm. The catalyst is used in an epoxidation process comprising reacting an olefin, hydrogen, and oxygen. The supported noble metal is well dispersed in the reaction media. | 02-12-2009 |
20090048094 | SULFUR-RESISTANT NOBLE METAL NANO-PARTICLES ENCAPSULATED IN A ZEOLITE CAGE AS A CATALYST ENHANCER - A sulfur resistant catalyst is taught having noble metal nano-particles contained in a zeolite cage having a final pore size of between about 2.9 Å and about 3.5 Å. The zeolite cage is either directly synthesized, or the final pore size of the zeolite cage is reduced by post-treatments selected from chemical vapour deposition, chemical liquid deposition, cation exchange and combinations thereof to allow passage of hydrogen molecules into the cage while excluding organic sulfur molecules. Disassociated hydrogen species from reaction with the noble metal spill over through the zeolite pores to induce hydrogenation and to regenerate neighboring catalyst supports. A method is also taught for producing a sulfur resistant catalyst having noble metal nano-particles. The method involves either synthesizing a zeolite cage having a final pore size of between about 2.9 Å and about 3.5 Å or reducing the size of pores in the zeolite cage by a post treatment selected from chemical vapour deposition, chemical liquid deposition, cation exchange and combinations thereof. | 02-19-2009 |
20090048095 | NOVEL IRON-CONTAINING ALUMINOSILICATE ZEOLITES AND METHODS OF MAKING AND USING SAME - There is disclosed iron-containing aluminosilicate zeolites having both framework iron and iron cations on the ion-exchange sites. There is also disclosed a direct synthesis method of making an iron-containing aluminosilicate zeolite, which does not require the use of an intermediate step, such as ion-exchange or impregnation. In addition, there is disclosed a method of using the iron-containing aluminosilicate zeolite disclosed herein in a selective catalytic reduction reaction, typically in the presence of ammonia, to reduce or remove nitric oxides from exhaust emissions. | 02-19-2009 |
20090082194 | ADSORBER UNIT FOR VOLATILE HYDROCARBONS COMPRISING AN ADSORBER MATERIAL MADE FROM AN IRON-CONTAINING MOLECULAR SIEVE - The invention relates to an adsorber unit for volatile hydrocarbons in order to control the emission of volatile hydrocarbons, comprising a hydrocarbon adsorber material, wherein the adsorber material is an iron-containing zeolite, which can be optionally promoted with monovalent metal ions. The invention further relates to a method for production of the adsorber material in question. | 03-26-2009 |
20090118116 | Catalyst and Method of Manufacturing the Same - A method of manufacturing a catalyst by suspending a titanium-containing silicate porous material in a solution with a metal salt being dissolved therein, and then by exposing the solution to ultra violet light to precipitate metal fine particles on the surface of the porous material. | 05-07-2009 |
20090124484 | Microporous Crystalline Material, Zeolite ITQ-33, Method of Preparation and Use - The invention relates to a microporous crystalline material which is characterised in that it has the following chemical composition in the calcined state: X | 05-14-2009 |
20090209408 | Exhaust Gas-Purifying Catalyst - A high exhaust gas-purifying efficiency is achieved. An exhaust gas-purifying catalyst includes a substrate, an oxygen storage layer covering the substrate and including an oxygen storage material, and a catalytic layer covering the oxygen storage layer and including palladium, rhodium and a carrier supporting them, the catalytic layer having a precious metal concentration higher than that of the oxygen storage layer. | 08-20-2009 |
20090291838 | Urea SCR catalyst and manufacturing method for the same - The present invention features a selective reduction catalyst, where half of the catalyst (an inlet) is coated with Mn/TiO | 11-26-2009 |
20090291839 | HONEYCOMB STRUCTURE - A honeycomb structure includes at least one honeycomb unit. In a pore distribution curve, the at least one honeycomb unit has one or more peak values of the log differential pore volume in a pore diameter range from about 0.006 μm to 0.06 μm and greater than 0.06 μm and less than or equal to about 1 μm. A volume of pores having diameters in a range from a peak pore diameter minus 0.03 μm to plus 0.03 μm is from about 60% to about 95% of a volume of pores having diameters greater than 0.06 μm and less than or equal to about 1 μm. The peak pore diameter corresponds to a highest one of the peak values of the log differential pore volume in the pore diameter range greater than 0.06 μm and less than or equal to about 1 μm. | 11-26-2009 |
20090291840 | HONEYCOMB STRUCTURE - A honeycomb structure includes at least one honeycomb unit having a longitudinal direction and including cell walls extending along the longitudinal direction from one end face to another end face to define cells. The at least one honeycomb unit includes inorganic particles, inorganic binder, and inorganic fibers. The inorganic fibers include a bio-soluble inorganic compound. | 11-26-2009 |
20090305874 | METHOD FOR CATALYTICALLY COATING CERAMIC HONEYCOMB BODIES - The invention relates to a process for coating ceramic honeycomb bodies with a coating suspension containing, in a carrier liquid, catalyst components as solids and/or in dissolved form. The honeycomb bodies have parallel flow channels running through them. The walls of the flow channels generally have an open pore structure. To coat the channel walls and in particular also the interior surfaces of the pores with the coating suspension, it is proposed that the flow channels be temporarily alternately closed and the coating suspension be forced through the open pore structure of the channel walls. The coating is subsequently dried and calcined. To close the flow channels, it is possible to use thermally or chemically decomposable or soluble compositions which are decomposed or dissolved either during calcination or by means of a subsequent chemical treatment. The coated honeycomb bodies are preferably used for the purification of exhaust gases from automobiles. | 12-10-2009 |
20090318284 | NITROGEN OXIDE ADSORBENT AND METHOD FOR PRODUCING THE SAME - This method for producing a nitrogen oxide adsorbent comprising zeolite loaded with Fe by ion exchange comprises an impregnation step of impregnating zeolite with an aqueous solution of ferric chloride, and a heat treatment step of heating the zeolite impregnated with the aqueous solution of the ferric chloride to a temperature at or above a boiling point of the ferric chloride, thereby loading the zeolite with Fe by ion exchange. By impregnating zeolite with an aqueous solution of ferric chloride and then heating the impregnated zeolite to a predetermined temperature, a large amount of iron can reach ion exchange sites in zeolite, though the reason is not clear. As a result, a resulting Fe-zeolite nitrogen oxide adsorbent improves in ability to adsorb nitrogen oxides. | 12-24-2009 |
20100075834 | Method for producing metal-doped zeolites and use thereof for the catalytic conversion of nitrogen oxides - The present invention provides a process for the preparation of metal-doped zeolites comprising the steps of
| 03-25-2010 |
20100081567 | PROCESS FOR SULFIDING CATALYSTS FOR A SOUR GAS SHIFT PROCESS - A process for the sulfidation of a sour gas shift catalyst, wherein the temperature of the sulfidation feed stream is coordinated with the sulfur/hydrogen molar ratio in that feed stream to obtain enhanced performance of the sour gas shift catalyst. In the sulfidation process to produce a sour gas shift catalyst, the lower the sulfur to hydrogen molar ratio of the sulfidation feed stream, the lower the required temperature of the sulfidation feed stream. The sulfidation reaction can be further enhanced by increasing the pressure on the sulfidation feed stream. | 04-01-2010 |
20100093520 | Heavy Aromatics Processing Catalyst and Process of Using the Same - This disclosure relates to a catalyst system adapted for transalkylation a C | 04-15-2010 |
20100105542 | NOBLE METAL-CONTAINING TITANOSILICATE MATERIAL AND ITS PREPARATION METHOD - A noble metal-containing titanosilicate material, characterized in that said material is represented with the oxide form of xTiO | 04-29-2010 |
20100137127 | PRODUCTION PROCESS FOR NOx ADSORPTION MATERIAL AND NOx ADSORPTION MATERIAL - A zeolite is impregnated with a ferric chloride aqueous solution; and then it is heated at 330° C.-500° C. in an atmosphere that is free from moisture, thereby subjecting Fe to ion exchange; and thereafter it is heat treated in a non-oxidizing atmosphere. By means of heat treating it in a non-oxidizing atmosphere, it is possible to stably produce an NO | 06-03-2010 |
20100152026 | Layered Sphere Catalysts with High Accessibility Indexes - A process and catalyst for use in the selective hydrogenation of acetylene to ethylene is presented. The catalyst comprises a layered structure, wherein the catalyst has an inner core and an outer layer of active material. The catalyst further includes a metal deposited on the outer layer, and the catalyst is formed such that the catalyst has an accessibility index between 3 and 500. | 06-17-2010 |
20100160151 | Method for manufacturing ammonia gas absorbent using Fe-zeolite - A method is developed for fabrication of an ammonia gas adsorbent using Fe-zeolite. This method uses Fe-zeolite obtained from municipal waste slag to prepare a gas adsorbent, thereby reusing molten slag as a specified waste so as to improve the value of the waste. To achieve the purpose, the method includes mixing Fe-zeolite powder with a forming adjuvant to prepare a mixture; adding a forming agent to the mixture to obtain a granular Fe-zeolite product; and drying and calcining the obtained granular Fe-zeolite product. Therefore, Fe-zeolite obtained from molten slag as a waste product can be reused as an ammonia gas adsorbent. | 06-24-2010 |
20100248945 | BULK CATALYST COMPOSITION COMPRISING BULK METAL OXIDE PARTICLES - The invention relates to a process for preparing bulk metal oxide particles comprising the steps of combining in a reaction mixture (i) dispersible nanoparticles having a dimension of less than about 1 μm upon being dispersed in a liquid, (ii) at least one Group VIII non-noble metal compound, (iii) at least one Group VIB metal compound, and (iv) a protic liquid; and reacting the at least one Group VIII non-noble metal compound and the at least one Group VIB metal in the presence of the nanoparticles. It also relates to bulk metal hydroprocessing catalysts obtainable by such method. | 09-30-2010 |
20100311570 | SLURRY BED FISCHER-TROPSCH CATALYSTS WITH SILICA/ALUMINA STRUCTURAL PROMOTERS - A method of producing a Fischer-Tropsch catalyst by preparing a nitrate solution, wherein preparing comprises forming at least one metal slurry and combining the at least one metal slurry with a nitric acid solution; combining the nitrate solution with a basic solution to form a precipitate; promoting the precipitate to form a promoted mixture, wherein promoting comprises combining the precipitate with (a) silicic acid and one or more selected from the group consisting of non-crystalline silicas, crystalline silicas, and sources of kaolin or (b) at least one selected from non-crystalline silicas and sources of kaolin, in the absence of silicic acid; and spray drying the promoted mixture to produce catalyst having a desired particle size. Catalyst produced by the disclosed method is also described. | 12-09-2010 |
20100331171 | Layered Sphere Catalysts with High Accessibility Indexes - A process and catalyst for use in the selective hydrogenation of acetylene to ethylene is presented. The catalyst comprises a layered structure, wherein the catalyst has an inner core and an outer layer of active material. The catalyst further includes a metal deposited on the outer layer, and the catalyst is formed such that the catalyst has an accessibility index between 3 and 500. | 12-30-2010 |
20110039689 | SHAPED CATALYST BODY - The present invention relates to a shaped catalyst body comprising a core and a first catalytically active layer arranged on sections of the core, characterized in that the total density of the core is greater than the total density of the catalytically active layer. The invention further relates to the use of said shaped catalyst body as an oxidation catalyst in the cleaning of exhaust gases or for reducing and decomposing nitrogen oxides and nitrous oxide. | 02-17-2011 |
20110092356 | CATALYTIC STRUCTURES INCLUDING CATALYST MATERIALS IN POROUS ZEOLITE MATERIALS, AND METHODS OF FORMING SAME - Catalytic structures include a catalytic material disposed within a zeolite material. The catalytic material may be capable of catalyzing a formation of methanol from carbon monoxide and/or carbon dioxide, and the zeolite material may be capable of catalyzing a formation of hydrocarbon molecules from methanol. The catalytic material may include copper and zinc oxide. The zeolite material may include a first plurality of pores substantially defined by a crystal structure of the zeolite material and a second plurality of pores dispersed throughout the zeolite material. Systems for synthesizing hydrocarbon molecules also include catalytic structures. Methods for synthesizing hydrocarbon molecules include contacting hydrogen and at least one of carbon monoxide and carbon dioxide with such catalytic structures. Catalytic structures are fabricated by forming a zeolite material at least partially around a template structure, removing the template structure, and introducing a catalytic material into the zeolite material. | 04-21-2011 |
20110105302 | METHOD FOR MAKING BOROSILICATE ZSM-48 MOLECULAR SIEVES - The present invention is directed to a borosilicate ZSM-48 molecular sieve having a mole ratio of between 40 and 400 of silicon oxide to boron oxide, synthesized using novel structure directing agents. Also disclosed are processes using a borosilicate ZSM-48 as a catalyst for the selective hydroconversion of heavy normal paraffins into lighter normal paraffin products, with minimal formation of isoparaffins. | 05-05-2011 |
20110105303 | ZEOLITE STRUCTURE AND METHOD FOR PRODUCING THE SAME - A zeolite structure which has partition walls composed of a zeolite ion-exchanged with a metal ion and forming a plurality of cells extending from one end face of the zeolite structure to its other end face and functioning as a passage of fluid and which has a honeycomb shape, wherein the content per unit zeolite amount of the metal ion in the surface portion of the partition wall is larger than the content per unit zeolite amount of the metal ion in the inner portion of the partition wall and is preferably 1.1 to 5.0 times the content per unit zeolite amount of the metal ion in the inner portion of the partition wall. | 05-05-2011 |
20110105304 | Ceramic Foams with Gradients of Composition in Heterogeneous Catalytic - Architecture comprising ceramic or metallic foam, characterized in that the foam has a constant axial and radial porosity between 10 to 90% with a pore size between 2 to 60 ppi, and at least one continuous and/or discontinuous, axial and/or radial concentration of catalytic active(s) phase(s) from 0.01 wt % to 100 wt %, preferentially from 0.1 to 20 wt. %, and in that the architecture has a microstructure comprising specific area ranging between 0.1 to 30 m | 05-05-2011 |
20110105305 | Ceramic Foams with Gradient of Porosity and Gradient of Catalytic Active(s) Phase(s) - An architecture made of a ceramic or a metallic foam has at least one continuous and/or discontinuous, axial and/or radial porosity gradient ranging from 10 to 90% associated to a pore size range from 2 to 60 ppi, at least one continuous and/or discontinuous, axial and/or radial concentration gradient of catalytic active(s) phase(s) from 0.01 wt % to 100 wt % preferentially from 0.1 wt % to 20 wt %, and a microstructure with a specific area ranging between 0.1 to 30 m | 05-05-2011 |
20110124490 | Method For Producing A Platinum Catalyst Precursor - The present invention relates to a method for producing a precursor of a supported platinum catalyst. To provide a method for producing a platinum catalyst precursor, by means of which supported platinum catalysts can be produced which have a relatively high activity, a method is proposed, comprising the steps of:
| 05-26-2011 |
20110143921 | ENGINE EXHAUST CATALYSTS CONTAINING COPPER-CERIA - An emission control catalyst includes copper-ceria to boost low temperature CO oxidation performance, generate exothermic heat during the process, and reduce HC and NO | 06-16-2011 |
20110166010 | PD/AU SHELL CATALYST CONTAINING Hf02, PROCESSES FOR THE PREPARATION AND USE THEREOF - A shell catalyst for the preparation of vinyl acetate monomer, comprising an oxidic porous catalyst support with an outer shell, containing metallic Pd and Au, wherein the framework structure of the porous catalyst support contains hafnium oxide units. This shell catalyst is suitable for the preparation of VAM and is characterized by a relatively high activity and VAM selectivity and maintains this activity and selectivity over relatively long service lives. Also, processes for the preparation and use of the shell catalyst. | 07-07-2011 |
20110230334 | Composition, Production And Use Of Sorbent Particles For Flue Gas Desulfurization - The present methods and systems relate to the removal of sulfur oxides and/or mercury from flue gases by use of a sorbent. Sorbent can comprise an alkali or alkaline earth metal oxide, a transition metal oxide catalyst, and a clay. The sorbent can additionally comprise a polyanion for binding mercury oxides and salts. Methods are provided to produce individual sorbent particles of small diameter, resulting in larger numbers of particles. The state of agglomeration of sorbent particles is important, and aspects of the production and composition of the sorbent are specified so as to either prevent agglomeration or to break up such agglomeration if it occurs. Methods of sorbent injection are indicated both to increase effectiveness as well as economic returns. | 09-22-2011 |
20110294655 | Method Of Manufacturing A Transition Metal Catalyzed Zeolite Body - A method of manufacturing a catalyst body which includes: soaking at least part of a fired zeolite-based body in a transition metal oxide solution; removing the body from the transition metal oxide solution; exposing the body to a humidified atmosphere at one or more temperatures above 20° C.; then drying the body; and calcining the body. | 12-01-2011 |
20110312487 | CATALYST SYSTEM FOR GENERATION OF POLYOLS FROM SACCHARIDES - A catalyst system for generating at least one polyol from a feedstock comprising saccharide is performed in a continuous or batch manner. Generating the polyol involves, contacting, hydrogen, water, and a feedstock comprising saccharide, with a catalyst system to generate an effluent stream comprising at least one polyol and recovering the polyol from the effluent stream. The catalyst system comprises at least one unsupported component and at least one supported component. | 12-22-2011 |
20110312488 | CATALYST SYSTEM FOR GENERATION OF POLYOLS FROM SACCHARIDE CONTAINING FEEDSTOCK - A catalyst system for generating at least one polyol from a feedstock comprising saccharide is disclosed. Generating the polyol involves, contacting hydrogen, water, and a feedstock comprising saccharide, with a catalyst system to generate an effluent stream comprising at least one polyol and recovering the polyol from the effluent stream. The catalyst system comprises at least one metal component with an oxidation state greater than or equal to 2+. | 12-22-2011 |
20120028789 | CATALYST FOR REDUCING NITROGEN OXIDES AND METHOD FOR PRODUCING THE SAME - The object is to provide an exhaust gas reduction catalyst that exhibit high nitrogen oxide reduction performance, and to provide a simple and efficient method for producing the catalyst, in which the amount of the waste liquid is reduced, further, an object of the invention is to provide a zeolite-containing catalyst for reducing nitrogen oxides, which does not use an expensive noble metal or the like and which has high nitrogen oxide reduction performance. The present invention relates to a catalyst for reducing nitrogen oxides, which comprises: zeolite at least containing an aluminium atom and a phosphorus atom in the framework thereof; and a metal supported on the zeolite, wherein a coefficient of variation of intensity of the metal is at least 20%, when performing an elemental mapping of the metal in the catalyst with an electron probe microanalyzer, and, a catalyst for reducing nitrogen oxides, which comprises the zeolite containing at least a silicon atom, a phosphorus atom and an aluminium atom, and having an adsorption retention rate of at least 80% in a water vapor cyclic adsorption/desorption test at 90° C. | 02-02-2012 |
20120122662 | CATALYST FOR CONVERSION OF HYDROCARBONS, PROCESS OF MAKING AND PROCESS OF USING THEREOF - BIMETALLIC DEPOSITION - This invention is for a catalyst for conversion of hydrocarbons. The catalyst is a non-acidic germanium zeolite, such as Ge-ZSM-5, on which at least two metals, platinum and at least one other metal selected from Group 7, Group 8, Group 9, Group 10 and tin, are deposited on the germanium zeolite. Examples of the other metal are iridium, rhenium, palladium, ruthenium, rhodium, iron, cobalt and tin. The catalyst is prepared by synthesizing a germanium zeolite; depositing platinum and at least one other metal on the germanium zeolite; and calcining after preparation of the zeolite, before depositing the metals or after depositing the metals. The catalyst may be used in a process for the conversion of hydrocarbons, such as propane to aromatics, by contacting the catalyst with a hydrocarbon stream containing alkanes, olefins and mixtures thereof having 2 to 12 carbon atoms per molecule and recovering the product. | 05-17-2012 |
20120149551 | TWO-LAYER CATALYST, PROCESS FOR PREPARING SAME AND USE FOR THE MANUFACTURE OF NANOTUBES - A catalyst material for preparing nanotubes, especially carbon nanotubes, said material being in the form of solid particles, said particles including a porous substrate supporting two superposed catalytic layers, a first layer, directly positioned on the substrate, including at least one transition metal from column VIB of the Periodic Table, preferably molybdenum, and a second catalytic layer, positioned on the first layer, comprising iron. Also, a process for preparing same and to a process for the synthesis of nanotubes using this catalyst material. | 06-14-2012 |
20120208692 | Method for the Production of an SCR-Active Zeolite Catalyst, and SCR-Active Zeolite Catalyst - An SCR-active zeolite catalyst and a method for producing same. To produce the catalyst, an Fe ion-exchanged zeolite is initially subjected to a first temperature treatment within a range of 300 to 600° C. in a reducing hydrocarbon atmosphere such that the oxidation state of the Fe ions decreases and/or the dispersity of the Fe ions on the zeolite increases, whereupon the reduced zeolite is subjected to a second temperature treatment within a range of 300 to 600° C. in an oxidizing atmosphere such that hydrocarbon residues or carbon residues are oxidatively removed, the zeolite being calcined to obtain a catalyst material during the two temperature treatments. Iron contained in the zeolite is stabilized in an oxidation state of less than +3 and/or the dispersity of the Fe ions on the zeolite is permanently increased such that a high SCR activity is achieved within a temperature range of less than 300° C. | 08-16-2012 |
20120214664 | CATALYST FOR SYNTHESIS OF HYDROCARBONS FROM CO AND H2 AND PREPARATION METHOD THEREOF - The disclosed technology relates to nanotechnology, petrochemistry, gas chemistry, coal chemistry, in particular to a catalyst based on carbon nanotubes for synthesis of hydrocarbons from CO and H | 08-23-2012 |
20120309610 | Multi-Component and Layered Formulations for Enhanced Selective Catalytic Reduction Activity - A method for controlling NOx emissions, in certain instances from diesel or fixed position combustion engines. More specifically a method for forming emission control catalyst structures for fuel combustion, a method of producing the catalyst, and a method of operating the catalyst to control emissions. | 12-06-2012 |
20130040804 | COMPOSITION COMPRISING AN ACTIVATED CARBON, A ZEOLITE, AND FE IONS FOR A VEHICLE PASSENGER COMPARTMENT AIR FILTER - The invention relates to a composition ( | 02-14-2013 |
20130090233 | HYDROCRACKING PROCESS USING A ZEOLITE MODIFIED BY BASIC TREATMENT - The present invention describes a hydrocracking and/or hydrotreatment process using a catalyst comprising an active phase containing at least one hydrogenating/dehydrogenating component selected from the group VIB elements and the non-precious elements of group VIII of the periodic table, used alone or in a mixture, and a support comprising at least one dealuminated zeolite Y having an overall initial atomic ratio of silicon to aluminium between 2.5 and 20, an initial weight fraction of extra-lattice aluminium atoms greater than 10%, relative to the total weight of aluminium present in the zeolite, an initial mesopore volume measured by nitrogen porosimetry greater than 0.07 ml·g | 04-11-2013 |
20130157841 | METHODS FOR PREPARING INTEGRAL CATALYSTS WHILE MAINTAINING ZEOLITE ACIDITY AND CATALYSTS MADE THEREBY - Methods for preparing catalysts including a transition metal component and a zeolite component are disclosed. In some embodiments, the transition metal is deposited in a precursor solution onto a zeolite extrudate to form an intermediate integral catalyst wherein prior to the deposition, the zeolite has been subjected to an initial ion exchange with protecting cations which exchange with the protons of the zeolite. The intermediate integral catalyst is heated to decompose the transition metal, and the catalyst is subsequently subjected to a secondary ion exchange with an ionic ammonium complex which exchanges with the protecting cations. The resulting ammonium treated catalyst is heated to a temperature sufficient to decompose the ammonium complex to form ammonia and H | 06-20-2013 |
20130157842 | UNSUPPORTED AND SUPPORTED PROMOTED RUTHENIUM SULFIDE CATALYST WITH HIGH CATALYTIC ACTIVITY FOR HYDROCARBON HYDROTREATMENTS AND ITS METHOD - The present invention relates to synthesis method of a family of ruthenium sulfide catalysts promoted with an added additional metal, unsupported (M/RuS | 06-20-2013 |
20130217566 | PALLADIUM AND GOLD CATALYSTS - An emission control catalyst for treating an engine exhaust includes an oxide carrier, and palladium particles and gold particles supported on the oxide carrier, wherein the catalyst has a palladium to gold weight ratio in a range of about 0.5:1 to about 1:0.5. | 08-22-2013 |
20130260985 | CATALYTIC PROCESSES AND SYSTEMS FOR BASE OIL PRODUCTION FROM HEAVY FEEDSTOCK - A catalyst system is provided for dewaxing a heavy hydrocarbon feedstock to form a lubricant base oil. A layered catalyst system of the present invention may comprise a first hydroisomerization dewaxing catalyst disposed upstream from a second hydroisomerization dewaxing catalyst. Each of the first and second hydroisomerization dewaxing catalysts may be selective for the isomerization of n-paraffins. The first hydroisomerization catalyst has a first level of selectivity for the isomerization of n-paraffins, the second hydroisomerization dewaxing catalyst has a second level of selectivity for the isomerization of n-paraffins, and a layered catalyst system comprising the first and second hydroisomerization dewaxing catalysts has a third level of selectivity for the isomerization of n-paraffins. The third level of selectivity may be higher than each of the first level of selectivity and the second level of selectivity. | 10-03-2013 |
20130274089 | Method for Producing a Platinum Catalyst Precursor - The present invention relates to a method for producing a precursor of a supported platinum catalyst. To provide a method for producing a platinum catalyst precursor, by means of which supported platinum catalysts can be produced which have a relatively high activity, a method is proposed, comprising the steps of:
| 10-17-2013 |
20130337996 | BULK CATALYST COMPOSITION COMPRISING BULK METAL OXIDE PARTICLES - The invention relates to a process for preparing bulk metal oxide particles comprising the steps of combining in a reaction mixture (i) dispersible nanoparticles having a dimension of less than about 1 μm upon being dispersed in a liquid, (ii) at least one Group VIII non-noble metal compound, (iii) at least one Group VIB metal compound, and (iv) a protic liquid; and reacting the at least one Group VIII non-noble metal compound and the at least one Group VIB metal in the presence of the nanoparticles. It also relates to bulk metal hydroprocessing catalysts obtainable by such method. | 12-19-2013 |
20140073499 | CATALYST AND PROCESS OF HYDROCARBON FEEDSTOCK REFORMATION TO HYDROGEN AND CARBON MONOXIDE - A catalytic composition is particularly well suited for hydrocarbon conversion to synthesis gas at a temperature of between 800 and 1000° Celsius. The catalytic composition includes a noble metal cluster having an X-Y-Z axial mean linear dimension of between 2 and 15 Angstroms and a super cage structure surrounding the noble metal cluster. The super cage structure stabilizes the noble metal cluster against aggregation at temperatures of 1000° Celsius. A process for reforming hydrocarbon feedstock to hydrogen and carbon monoxide is also provided that conversion to greater than 80% of theoretical yield. | 03-13-2014 |
20140128248 | SMALL CRYSTAL FERRIERITE AND METHOD OF MAKING THE SAME - There is disclosed a highly crystalline, small crystal, ferrierite zeolite prepared from a gel containing a source of silica, alumina, alkali metal and a combination of two templating agents. The resulting material includes ferrierite crystals having a particle size of about or less than about 200 nm. The desired crystal size can be achieved by using a specific composition of the gel. The purity of the material and the crystal size was determined by using X-ray powder diffraction and scanning electron microscopy. The material has excellent surface area and micropore volume as determined by nitrogen adsorption. | 05-08-2014 |
20140274665 | Selective Catalytic Reduction Catalyst System - Described are SCR catalyst systems comprising a first SCR catalyst composition and a second SCR catalyst composition arranged in the system, the first SCR catalyst composition having a faster DeNOx response time when exposed to ammonia than the second catalyst composition and the second SCR catalyst composition has a higher steady state DeNOx performance than the first catalyst composition. The SCR catalyst systems are useful in methods and systems to catalyze the reduction of nitrogen oxides in the presence of a reductant. | 09-18-2014 |
20140274666 | SLURRY BED FISCHER-TROPSCH CATALYSTS WITH SILICA/ALUMINA STRUCTURAL PROMOTERS - A structurally promoted, precipitated, Fischer-Tropsch catalyst that exhibits an RCAI-10 of 0-2.8 and/or produces less than 6 wt % fines after 5 hours ASTM Air Jet Attrition testing, due to formation via: preparing a nitrate solution by forming at least one metal slurry and combining the at least one metal slurry with a nitric acid solution; combining the nitrate solution with a basic solution to form a precipitate; structurally promoting the precipitate with at least one source of silicon to form a promoted mixture, wherein promoting comprises combining the precipitate with (a) silicic acid and one or more component selected from the group consisting of non-crystalline silicas, crystalline silicas, and sources of kaolin or (b) a component selected from the group consisting of non-crystalline silicas and sources of kaolin, in the absence of silicic acid; and spray drying the promoted mixture to produce catalyst having a desired particle size. | 09-18-2014 |
20140315710 | PROCESS FOR THE CONVERSION OF LOWER ALKANES TO AROMATIC HYDROCARBONS - A process for producing aromatic hydrocarbons which comprises (a) contacting one or more lower alkanes with a dehyroaromatization aromatic catalyst which is comprised of 0.005 to 0.1% wt platinum, not more than 0.2% wt of an amount of an attenuating metal wherein the amount of platinum is not more than about 0.02% wt more than the amount of the attenuating metal, from about 10 to about 99.9% wt of an aluminosilicate, and a binder, and (b) separating methane, hydrogen, and C | 10-23-2014 |
20140349840 | AMMONIA OXIDATION CATALYST IN SCR SYSTEM - Disclosed herein is an ammonia oxidation catalyst for converting nitrogen oxides generated from a mobile source or fixed source into harmless nitrogen using ammonia as a reductant and preventing the formation of nitrogen oxides due to the oxidation of ammonia. The ammonia oxidation catalyst includes selective catalytic reductive zeolite sequentially impregnated with platinum and copper. | 11-27-2014 |
20140349841 | Catalyzed SCR Filter and Emission Treatment System - Provided is a catalyst article for simultaneously remediating the nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons present in diesel engine exhaust streams. The catalyst article has a soot filter coated with a material effective in the Selective Catalytic Reduction (SCR) of NOx by a reductant, e.g., ammonia. | 11-27-2014 |
20150133288 | METHOD FOR OBTAINING OXIDE CATALYSTS ON THE BASE OF EXFOLIATED LAYERED ALUMINOSILICATES - The present invention relates to the method of synthesising large-area oxide catalysts on the base of exfoliated layered aluminosilicates. As layered aluminosilicate are used bentonite, montmorillonite, nontronite and saponite. | 05-14-2015 |
20150141238 | NANOPARTICLE CATALYST CAPABLE OF FORMING AROMATIC HYDROCARBONS FROM CO2 AND H2 - Nanocatalysts and methods of using the same to obtain aromatic hydrocarbon compounds from a source of carbon atoms and a source of hydrogen atoms in a single reaction step is provided. The catalyst comprises an Fe/Fe | 05-21-2015 |
20150148216 | SPINEL COMPOSITIONS AND APPLICATIONS THEREOF - Spinels having a general formula of AB | 05-28-2015 |
20150336088 | CATALYST AND METHOD FOR PREPARATION THEREOF - A process for converting one or more C3-C12 oxygenates comprising: contacting a feed, which feed comprises one or more C3-C12 oxygenates, with hydrogen at a hydrogen partial pressure of more than 1.0 MegaPascal in the presence of a sulphided carbon-carbon coupling catalyst; wherein the carbon-carbon coupling catalyst comprises equal to or more than 60 wt % of a zeolite and in the range from equal to or more than 0.1% wt to equal to or less than 10 wt % of a hydrogenation metal, based on the total weight of the carbon-carbon coupling catalyst; and wherein the zeolite comprises 10-membered and/or 12-membered ring channels and a Silica to Alumina molar Ratio (SAR) in the range from equal to or more than 10 to equal to or less than 300. | 11-26-2015 |
20150343425 | METHOD FOR PRODUCING EXHAUST GAS PURIFICATION CATALYST - [PURPOSE] There is provided a method for producing iron-supporting chabazite-type zeolite. | 12-03-2015 |
20160023195 | Low Temperature SCR Catalyst for Denitrating Diesel Vehicle Exhaust, and Preparation Method Thereof - Provided are a low-temperature SCR catalyst for denitrating diesel vehicle exhaust, and preparation method thereof. The catalyst uses a molecular sieve as a carrier, and uses metallic elements such as copper and iron as active components. The catalyst preparation method comprises: preprocessing the molecular sieve; conducting multiple equal-volume impreparations; after impreparation, drying to dehydrate, and calcining; and finally pulping and coating to prepare the catalyst. The catalyst employs base metals such as copper and iron instead of precious metals as active components, thus reducing costs, being harmless to humans, and being environmentally friendly. The preparation method of the catalyst is simple and feasible with low requirements for raw materials, employs a repeated but small-quantity method of equal volume impregnation; and enables active ions to be dispersed more uniformly as compared with the existing conventional preparation methods, thus improving utilization and improving low-temperature catalytic activity and durability. | 01-28-2016 |
20160051971 | CATALYST CONTAINING METAL CLUSTER IN STRUCTURALLY COLLAPSED ZEOLITE, AND USE THEREOF - This invention relates to a hydrogen spillover-based catalyst and use thereof, wherein a hydrogen activation metal cluster is dispersed in the form of being encapsulated in a crystalline or amorphous aluminosilicate matrix which is partially or fully structurally collapsed zeolite, thereby exhibiting high hydroprocessing or dehydrogenation activity and suppressed C—C hydrogenolysis activity. | 02-25-2016 |
20160059226 | Platinum/Palladium Zeolite Catalyst - The invention relates to a method for producing a bimetallic catalyst containing palladium and platinum on a zeolitic carrier material, to a bimetallic catalyst that can be obtained by means of the method, and to the use of the catalyst in oxidation catalysis. | 03-03-2016 |
20160074849 | METHOD FOR PREPARING NANO METAL/METAL OXIDE LOADED MOLECULAR SIEVE CATALYST - The present disclosure provides a method for preparing a molecular sieve catalyst. A water-in-oil micro-emulsion including a continuous phase containing an organic solvent and a dispersed phase containing an aqueous solution containing one or more metal salts and a water-soluble organic carbon source is prepared, hydrolyzed, and azeotropically distilled to form a mixture solution. The mixture solution is heated to carbonize the water-soluble organic carbon source to form nanoparticles each having a core-shell structure including a carbon-shelled metal-oxide. The nanoparticles containing the carbon-shelled metal-oxide are dispersed in a molecular sieve precursor solution. A nanoparticle-loaded molecular sieve is formed from the molecular sieve precursor solution containing the nanoparticles, and then calcined to remove carbon there-from to form a metal-oxide loaded molecular sieve. | 03-17-2016 |
20160082425 | CATALYST FOR REDUCING NITROGEN OXIDES AND METHOD FOR PRODUCING THE SAME - The object is to provide an exhaust gas reduction catalyst that exhibit high nitrogen oxide reduction performance, and to provide a simple and efficient method for producing the catalyst, in which the amount of the waste liquid is reduced, further, an object of the invention is to provide a zeolite-containing catalyst for reducing nitrogen oxides, which does not use an expensive noble metal or the like and which has high nitrogen oxide reduction performance. The present invention relates to a catalyst for reducing nitrogen oxides, which comprises: zeolite at least containing an aluminium atom and a phosphorus atom in the framework thereof; and a metal supported on the zeolite, wherein a coefficient of variation of intensity of the metal is at least 20%, when performing an elemental mapping of the metal in the catalyst with an electron probe microanalyzer, and, a catalyst for reducing nitrogen oxides, which comprises the zeolite containing at least a silicon atom, a phosphorus atom and an aluminium atom, and having an adsorption retention rate of at least 80% in a water vapor cyclic adsorption/desorption test at 90° C. | 03-24-2016 |
20160107150 | NON-PLATINUM BASED AMMONIA OXIDATION CATALYSTS AND APPLICATIONS ON AFTERTREATMENT SYSTEMS - An aftertreatment system utilizes chemical reactions to treat an exhaust gas flow. A device for use within an aftertreatment system includes a platinum-free ammonia oxidation catalyst comprising palladium to treat ammonia slip in the exhaust gas flow. In one embodiment, the catalyst includes a Pd/Cu/SAPO-34 catalyst used within a selective catalytic reduction device or in a device downstream of the selective catalytic reduction device. | 04-21-2016 |
20160115039 | ZEOLITE PRODUCTION METHOD - Provided is a method for continuous production of zeolite in which a starting material is continuously supplied to a tubular reactor to produce an aluminophosphate zeolite that contains, in the framework structure, at least aluminum atoms and phosphorus atoms or an aluminosilicate zeolite having 5≦SiO | 04-28-2016 |
20160151771 | Na-Y Molecular Sieve, H-Y Molecular Sieve, and Preparation Methods Thereof, Hydrocracking Catalyst, and Hydrocracking Method | 06-02-2016 |
20160199827 | USE OF LANTHANIDE OXIDES TO REDUCE SINTERING OF CATALYSTS | 07-14-2016 |
20170232428 | CATALYST AND METHOD FOR PREPARING CATALYST | 08-17-2017 |