Class / Patent application number | Description | Number of patent applications / Date published |
502011000 | INCLUDING ION EXCHANGING, EXCEPT ZEOLITES OR PRODUCT THEREOF | 22 |
20080312068 | Nano-sized palladium-doped anion exchange resin catalyst or palladium-doped cation exchange resin catalyst, preparation method thereof and method of removing dissolved oxygen in water using the same - Disclosed are a nano-sized palladium-doped anion exchange resin catalyst or palladium-doped cation exchange resin catalyst, a preparation method thereof and a method of removing dissolved oxygen in water using the same. The palladium-doped anion exchange resin catalyst exhibits high dissolved oxygen removal efficiency of 99˜99.99%, and the palladium-doped cation exchange resin catalyst exhibits high dissolved oxygen removal efficiency of at least 97%, and further, dissolved oxygen in water can be removed through a catalytic reaction without the use of additional chemicals, thereby discharging no secondary pollutants. This catalyst is environmentally friendly, can be continuously developed, and can prevent the loss of the palladium catalyst, which is expensive, and thus can be efficiently applied to various fields, including semiconductors, power plants, microbial culture, food and pharmaceutical production, and the fermentation industry. | 12-18-2008 |
20090312175 | Increased Activity of Catalyst Using Inorganic Acids - The present disclosure provides for improved electrochemical devices (e.g., fuel cells, metal air batteries, ultra capacitors, etc.) and components therefore. More particularly, the present disclosure provides for improved systems and methods for producing materials, membranes, electrode assemblies (e.g., membrane electrode assemblies) and electrochemical devices employing the membranes and/or electrode assemblies. The present disclosure provides for improved systems and methods for producing high activity materials, membranes and/or electrode assemblies (e.g., MEAs) for use in electrochemical devices, wherein the high activity membranes and/or electrode assemblies include at least one inorganic acid. In exemplary embodiments, the present disclosure provides for improved systems and methods for producing high activity membranes and/or electrode assemblies (e.g., MEAs) for use in electrochemical devices, wherein the high activity membranes and/or electrode assemblies include at least one inorganic acid in the catalyst layer and/or in the cathode. | 12-17-2009 |
20100075828 | HYDROGENATION CATALYST WITH IMPROVED TEXTURAL PROPERTIES - A method is provided for making a catalyst support, and includes the steps of providing an aqueous suspension of refractory inorganic oxide and refractory inorganic carbide; forming the suspension into droplets; exposing the droplets to a gelling agent whereby the droplets are at least partially solidified so as to provide substantially sphere-shaped portions of refractory inorganic oxide and refractory inorganic carbide; and drying and calcining the sphere-shaped portions so as to provide substantially spherical particles of catalyst support containing refractory inorganic oxide and refractory inorganic carbide. Catalytically active metal phases and hydrogenation processes using the catalyst are also described. | 03-25-2010 |
20100179053 | METAL OXIDE NANOTUBE-SUPPORTED GOLD CATALYST AND PREPARING METHOD THEREOF - A metal oxide nanotube-supported gold catalyst and a preparing method thereof are disclosed. The metal oxide nanotube-supported gold catalyst includes a metal oxide support and a plurality of gold particles loaded into the metal oxide support, and there are at least two gold species with different oxidation states are loaded into the metal oxide support. The preparing method of the metal oxide nanotube-supported gold catalyst includes the deposition of the gold particles on the surface of the metal oxide nanotubes by using an ion exchange reaction. | 07-15-2010 |
20100197479 | BASIC EXCHANGE FOR ENHANCED REDOX OS MATERIALS FOR EMISSION CONTROL APPLICATIONS - An Oxygen Ion Conductor (OIC)/Oxygen Storage (OS) material is disclosed, more particularly an OIC/OS having a stable cubic crystal structure, related to a method for the promotion of the catalytic properties of OIC/OS by the post-synthetic introduction of non-precious metals via a basic (alkaline) exchange process and the application of said materials to control of vehicle exhaust emissions. | 08-05-2010 |
20100240522 | Catalyst exhibiting hydrogen spillover effect - The catalyst exhibiting hydrogen spillover effect relates to the composition of a catalyst exhibiting hydrogen spillover effect and to a process for preparing the catalyst. The catalyst has a reduced transition base metal of Group VIB or Group VIIIB, such as cobalt, nickel, molybdenum or tungsten, supported on a high porous carrier, such as saponite, the base metal being ion-exchanged with at least one precious metal of Group VIIIB. The process includes the steps of loading the base metal onto the support, reducing the base metal, preferably with H | 09-23-2010 |
20100279848 | PREPARATION METHOD FOR ANION-EXCHANGEABLE, LAYERED DOUBLE HYDROXIDES - The invention has for its object to provide a preparation method for preparing an anion-exchangeable LDH by decarbonation of a carbonate ion type LDH, which makes sure de carbonation is implemented with safety in a continuous manner while crystal shape, crystal structure and crystallinity are kept intact. | 11-04-2010 |
20120040820 | CATALYST EXHIBITING HYDROGEN SPILLOVER EFFECT - The catalyst exhibiting hydrogen spillover effect relates to the composition of a catalyst exhibiting hydrogen spillover effect and to a process for preparing the catalyst. The catalyst has a reduced transition base metal of Group VIB or Group VIIIB, such as cobalt, nickel, molybdenum or tungsten, supported on a high porous carrier, such as saponite, the base metal being ion-exchanged with at least one precious metal of Group VIIIB. The process includes the steps of loading the base metal onto the support, reducing the base metal, preferably with H | 02-16-2012 |
20120115709 | High Temperature Catalysts for Decomposition of Liquid Monopropellants and Methods for Producing the Same - Ceramic catalyst carriers that are mechanically, thermally and chemically stable in a ionic salt monopropellant decomposition environment, high temperature catalysts for decomposition of liquid high-energy-density monopropellants and ceramic processing techniques for producing spherical catalyst carrier granules are disclosed. The ceramic processing technique is used to produce spherical catalyst carrier granules with controlled porosities and desired composition and allows for reproducible packing densities of catalyst granules in thruster chambers. The ceramic catalyst carrier has excellent thermal shock resistance, good compatibility with the active metal coating and metal coating deposition processes, melting point above >2300° C., chemical resistance to steam, nitrogen oxides and nitric acid, resistance to sintering to prevent void formation, and the absence of phase transition associated with volumetric changes at temperatures up to and beyond 1800° C. | 05-10-2012 |
20120122658 | HYDROCONVERSION MULTI-METALLIC CATALYST AND METHOD FOR MAKING THEREOF - In a process for forming a bulk hydroprocessing catalyst by sulfiding a catalyst precursor made in a co-precipitation reaction, up to 60% of metal ions in at least one of the metal precursor feeds do not react to form catalyst precursor and end up in the supernatant as metal residuals. In the present disclosure, the metals can be recovered via ion-exchange, wherein an exchange resin is provided for a portion of the metal ions in the supernatant to be exchanged and bound onto the resin. The previously resin-bound metals can be subsequently recovered, or the effluent stream for the exchange resin column can also be recovered, forming at least a metal precursor feed which can be used in the co-precipitation reaction. | 05-17-2012 |
20120122659 | HYDROCONVERSION MULTI-METALLIC CATALYST AND METHOD FOR MAKING THEREOF - In a process for forming a bulk hydroprocessing catalyst by sulfiding a catalyst precursor made in a co-precipitation reaction, up to 60% of the metal precursor feeds end up in the supernatant. The metals can be recovered via any of chemical precipitation, ion exchange, electro-coagulation, and combinations thereof to generate an effluent stream containing less than 50 mole % of metal ions in at least one of the metal residuals, and for at least one of the metal residuals recovered as a metal precursor feed for use in the co-precipitation reaction. In one embodiment, the resin functions as an anion exchange resin with an acidic supernatant to recover Group VIB metal residuals, and a cation exchange resin with a basic supernatant to recover Promoter metal residuals. An effluent stream from the process to waste treatment contains less than 50 ppm metals. | 05-17-2012 |
20120220447 | METHOD FOR MAKING A CATALYST COMPOSITION - A method for making a catalyst composition suitable for various purposes, such as the reduction of nitrogen oxides, is provided. The method includes combining dawsonite or a dawsonite derivative with a catalytic active element. | 08-30-2012 |
20120322647 | METHOD FOR ENHANCING HETEROGENEOUS ASYMMETRIC SELECTIVITY AND CATALYTIC ACTIVITY - A method for enhancing heterogeneous asymmetric selectivity and catalytic activity belongs to the field of catalytic asymmetric organic synthesis technology, the preparation method of the invention are as follows: firstly preparing the chiral | 12-20-2012 |
20120322648 | VISIBLE LIGHT SENSITIVE PHOTOCATALYST, METHOD OF PRODUCING THE SAME, AND ELECTROCHEMICAL WATER DECOMPOSITION CELL, WATER DECOMPOSITION SYSTEM, AND ORGANIC MATERIAL DECOMPOSITION SYSTEM EACH INCLUDING THE SAME - A visible light sensitive photocatalyst including a compound represented by Formula 1: | 12-20-2012 |
20130012376 | Phyllosilicate-Based Compositions and Methods of Making the Same for Catalytic Pyrolysis of Biomass - A process for producing catalyst for biomass catalytic cracking is disclosed herein. The process includes modifying a phyllosilicate to produce a modified phyllosilicate having an improved yield of a pyrolysis reaction. The modification of the phyllosilicate includes leaching the clay with an acid or basic solution to form a leached clay preparation, calcining the leached clay and contacting the treated clay with a suspension comprising metal ions for ion-exchange. The modified clay catalyst can then be mixed with inorganic materials such as zeolites and dried to form fluidizable microspheres. | 01-10-2013 |
20140080694 | SYNTHESIS OF NANOSIZED METAL CARBIDES ON GRAPHITIZED CARBON AS SUPPORTING MATERIALS FOR ELECTROCATALYSTS - Particles of a macro-porous ion exchange resin are dispersed in a solution of a transition metal compound, such as a compound of molybdenum, tungsten, or vanadium. The resin may be composed for anion exchange or cation ion exchange and, correspondingly, anions or cations of the metal are exchanged onto active ion exchange sites on the molecular chains of the resin. The resin is then carbonized and graphitized to form nanometer-size particles of transition metal carbide on particles of graphite. The composite metal carbide and graphite particles are electrically conductive and serve well as support particles for later deposited particles of a platinum group metal or other catalyst material in, for example, a catalytic electrode member in an electrochemical cell. | 03-20-2014 |
20140087937 | Catalytic Article for Decomposing Volatile Organic Compound and Method for Preparing the Same - A catalytic article for decomposition of a volatile organic compound includes a porous support body, a plurality of active centers formed on the support body and adapted for catalytic decomposition of the volatile organic compound, and a plurality of capture centers bound to the support body. Each of the active centers is composed of one of a noble metal, a transition metal oxide, and the combination thereof. Each of the capture centers includes at least one functional group that is adapted for attracting or binding the volatile organic compound. A method for preparing the catalytic article is also disclosed. | 03-27-2014 |
20140155254 | Robust Promoter Catalyst System - A modified ion exchange resin catalyst having an attached dimethyl thiazolidine promoter is disclosed. Also disclosed is a process for catalyzing condensation reactions between phenols and ketones, wherein reactants are contacted with a modified ion exchange resin catalyst having an attached dimethyl thiazolidine promoter. Also disclosed is a process for catalyzing condensation reactions between phenols and ketones that does not utilize a bulk promoter. | 06-05-2014 |
20140187411 | PREPARATION OF SILICA-ALUMINA COMPOSITION - A process for preparing a silica-alumina composition containing of from 30 to 70% wt silica and of from 70 to 30% wt of alumina, which process comprises (a) preparing an aqueous mixture containing aluminum sulfate and having a pH in the range of from 1.0 to 6.5; (b) adding alkali metal aluminate to the mixture obtained in step (a) to increase the pH of the mixture to within the range of from 7.1 to 12;
| 07-03-2014 |
20140235428 | SUPPORTED BIMETALLIC NANOCOMPOSITE CATALYST AND THE PREPARATION METHOD THEREOF - A highly active supported bimetallic nanocatalyst and its preparation method is disclosed. During the preparation, using an ion exchange or absorption resin bearing basic functional groups as the support of the said catalyst, successively introducing the first metal precursor FeCl | 08-21-2014 |
20140349837 | Method of Producing Fiber Catalyst and Fiber Catalyst Thereof - A method of producing a plurality of fiber catalyst is disclosed, the method includes the steps of: mixing a plurality of fiber material and a solvent to form a solution; putting the solution into a modeling container, to form at least one specific shape fiber body; applying a shaping process to the specific shape fiber body; and cutting or milling the specific shape fiber body to form a plurality of fiber catalyst. | 11-27-2014 |
20140357472 | METHOD OF MAKING SUBSTANTIALLY NONPOROUS SUBSTRATE SUPPORTED NOBLE METAL- AND LANTHANIDE-CONTAINING CATALYSTS - Aspects of the invention relate to hydrogenation catalysts, and hydrogenation processes using these catalysts, having particular characteristics, in terms of the amount and type of metal hydrogenation component (or catalytic constituent), as well as the support or substrate. The catalyst compositions, comprising both a noble metal and a lanthanide element on a substantially non-porous substrate, provide advantageous performance characteristics, including conversion, selectivity, and activity stability, as demanded in industrial hydrogenation and selective hydrogenation applications. | 12-04-2014 |