Class / Patent application number | Description | Number of patent applications / Date published |
095055000 | Hydrogen permeates barrier | 33 |
20080202333 | Method and apparatus for separating a solution - In the present invention, a solution containing a target substance is atomized into a mist in an atomizer | 08-28-2008 |
20090000473 | GLASS-CERAMIC MEMBRANES - Disclosed are processes for preparing conductive glass-ceramic membranes. | 01-01-2009 |
20090044701 | HYDROGEN PURIFICATION PROCESS THAT USES A COMBINATION OF MEMBRANE SEPARATION UNITS - This invention describes a new hydrogen purification process that employs a combination of at least three membrane separation units. This process allows non-stationary operations and is particularly suitable for the production of hydrogen for the purpose of its use in a fuel cell. | 02-19-2009 |
20090107330 | Amorphous silica hybrid membrane structure - An amorphous silica hybrid membrane structure comprising a monolithic inorganic porous support, optionally one or more porous inorganic intermediate layers, and an amorphous silica membrane. The amorphous silica hybrid membrane is useful for gas separation applications, for example H | 04-30-2009 |
20090165646 | EFFLUENT GAS RECOVERY PROCESS FOR SILICON PRODUCTION - Effluent gas from a polysilicon reactor is directed to a gas separation membrane with a permeate gas being recycled to the reactor and the retentate being chilled with a cryogenic condenser using liquid cryogen. Liquid cryogen vaporized by the hot effluent gas may be stored or used to seal and/or chill the reactor or blanket a Si feed to a SiHCl3 reactor. | 07-02-2009 |
20090165647 | EFFLUENT GAS RECOVERY PROCESS FOR SILICON PRODUCTION - Purified SiHCl3 is used as a sweep gas across a permeate side of a gas separation membrane receiving effluent gas from a polysilicon reactor. The combined sweep gas and permeate is recycled to the reactor. | 07-02-2009 |
20090211440 | Separation of hydrogen from hydrocarbons utilizing zeolitic imidazolate framework materials - The present invention relates to the selective separation of hydrogen (“H | 08-27-2009 |
20100089233 | PURIFICATION METHOD BY HYDROGEN ADSORBTION WITH COGENERATION OF CO2 STREAM PRESSURE - The present invention relates to a method of producing hydrogen of very high purity from a feed predominantly containing said hydrogen and a minor part of impurities mainly consisting of carbon dioxide, carbon monoxide, methane and heavier hydrocarbons. | 04-15-2010 |
20100229721 | Method of Controlling the Membrane Treatment of a Hydrogen Gas - The invention relates to a method of treating a gas comprising at least hydrogen and at least one other compound by means of a hydrogen-permeable separation membrane, in which the gas to be treated is brought into contact with the membrane so as to produce a hydrogen-enriched permeate and a hydrogen-depleted retentate. The differential pressure across the membrane is adjusted so that the ratio R of formula: in which Qr represents the flow rate of the retentate, Q represents the flow rate of the gas to be treated, F | 09-16-2010 |
20110185898 | HYDROGEN UTILIZATION WITHIN A REFINERY NETWORK - Hydrogen can be recovered in a refinery network using a combination of a cycling adsorber unit and a membrane separation unit. A membrane separation unit can be used to generate at least a portion of the purge hydrogen stream for the cycling adsorber unit. This can reduce the portion of the hydrogen product stream from the cycling adsorber unit required for regeneration of the adsorbent. | 08-04-2011 |
20120067211 | Porous Hollow Fiber Supported Dense Membrane For Hydrogen Production, Separation, Or Purification - A dense hydrogen-permeable layer, such as palladium or palladium alloy, is deposited on a porous hollow fiber. A porous hollow fiber is defined as having an inner diameter of approximately 30 microns to approximately 1500 microns and an outer diameter of approximately 100 microns to approximately 2000 microns. This allows an order-of-magnitude increase in the surface per volume ratio in a hydrogen separation or purification module, or a membrane reformer or reactor. | 03-22-2012 |
20120103190 | METHOD AND SYSTEM FOR TREATING FISHCHER-TROPSCH REACTOR TAIL GAS - A method and system for coal-to-liquids (CTL) conversion is provided. The system includes a coal gasifier configured to partially oxidize a coal fuel stream to generate a flow of synthesis gas (syngas), a Fischer-Tropsch (FT) reactor configured to receive the flow of syngas and to generate a stream of tail gas, and an absorber coupled in flow communication downstream of the FT reactor and configured to receive the stream of tail gas. The absorber is further configured to generate a first flow including carbon dioxide, C2 hydrocarbons, and higher boiling gas components (C3+) and a second flow including C1, carbon monoxide, hydrogen, and nitrogen. The system also includes a first membrane separator including a selective membrane configured to separate the second flow from the absorber generating a permeate flow of hydrogen and a non-permeate flow of combustion turbine fuel gas including methane and hydrogen. | 05-03-2012 |
20130152784 | METHOD OF MAKING A COMPOSITE GAS SEPARATION MODULE - A method of making a composite gas separation module by providing a porous support material having deposited thereon a metal membrane layer, by imposing upon the surface of the metal membrane layer certain surface characteristics including an abrasion pattern and a relatively high surface roughness that provides for surface activation that enhances the placement thereon of a subsequent metal membrane layer without the use of a chemical activating solution. The composite gas separation module is useful in the separation of hydrogen from hydrogen-containing gas streams. | 06-20-2013 |
20130206002 | SEPARATION MEMBRANE, HYDROGEN SEPARATION MEMBRANE INCLUDING THE SEPARATION MEMBRANE, AND HYDROGEN PURIFIER INCLUDING THE HYDROGEN SEPARATION MEMBRANE - A separation membrane including an alloy wherein the alloy includes at least one Group 5 element and at least one Group 14 element, wherein the at least one Group 5 element and the at least one Group 14 element of the alloy define a body centered cubic structure. | 08-15-2013 |
20130213228 | HYDROGEN SEPARATION MEMBRANE MODULE AND HYDROGEN SEPARATION METHOD USING SAME - The hydrogen separation membrane module according to the present invention is used for separating hydrogen from a gas to be treated containing hydrogen, and is provided with a tubular hydrogen separation membrane being selectively permeable to hydrogen, a casing for the hydrogen separation membrane, an insertion member being arranged on the inside of the hydrogen separation membrane and having an outer surface that defines a flow path of the gas to be treated together with an inner surface of the hydrogen separation membrane, a gas supply port for supplying the gas to be treated to the inside of the hydrogen separation membrane, a gas discharge port for discharging a non-permeating gas that does not permeate the hydrogen separation membrane, from a downstream side of the flow path, and a hydrogen discharge port provided in the casing, for discharging hydrogen having permeated the hydrogen separation membrane. | 08-22-2013 |
20140260971 | Ceramic Membrane - The preparation and use of polysilazane ceramic precursor polymer to make ceramic membranes to purify small molecules, such as hydrogen, for the purpose of isolating the gas and manipulating its potential as an alternative fuel source composition are described. The disclosed materials are composed of an amorphous form of Si | 09-18-2014 |
20150027306 | GAS-SELECTIVE POLYMER DERIVED CERAMIC MEMBRANES, GAS SEPARATION SYSTEMS, AND METHODS - There is provided polymer derived ceramic materials, to make porous polymeric derived ceramic membranes. These polymeric derived ceramic membranes are useful for separating gas and in particular for the generation of hydrogen. Hydrogen separation devices and power generation devices use the present polymeric derived ceramic membranes. | 01-29-2015 |
20160375410 | POLYBENZIMIDAZOLE HOLLOW FIBER MEMBRANES AND METHOD FOR MAKING AN ASYMMETRIC HOLLOW FIBER MEMBRANE - This disclosure concerns methods for formation of a novel PBI asymmetric hollow fiber membrane and its application for gas separations, gas/vapor separations, gas/liquid separations (i.e., pervaporation), and liquid separations including solute molecule removal from organic solvents and water | 12-29-2016 |
095056000 | Elemental metal or alloy barrier | 15 |
20080210088 | HYDROGEN PURIFICATION MEMBRANES, COMPONENTS AND FUEL PROCESSING SYSTEMS CONTAINING THE SAME - Hydrogen-producing fuel processing systems, hydrogen purification membranes, hydrogen purification devices, and fuel processing and fuel cell systems that include hydrogen purification devices. In some embodiments, the fuel processing systems and the hydrogen purification membranes include at least one metal membrane, which is at least substantially comprised of a palladium alloy. In some embodiments, the membrane is formed from an alloy of palladium and gold and which contains trace amounts of carbon, silicon, and/or oxygen. In some embodiments, the membranes form part of a hydrogen purification device that includes an enclosure containing a separation assembly, which is adapted to receive a mixed gas stream containing hydrogen gas and to produce a stream that contains pure or at least substantially pure hydrogen gas therefrom. In some embodiments, the membranes and/or purification device purifies a mixed gas stream from a hydrogen-producing fuel processor and/or the product stream from a coal gasification process. | 09-04-2008 |
20080282882 | GAS SEPARATION MEMBRANE COMPRISING A SUBSTRATE WITH A LAYER OF COATED INORGANIC OXIDE PARTICLES AND AN OVERLAYER OF A GAS-SELECTIVE MATERIAL, AND ITS MANUFACTURE AND USE - A gas separation membrane and a method of manufacturing such gas separation membrane that comprises a porous substrate treated with a layer of metal-coated inorganic oxide particles and with the layer of such metal-coated inorganic oxide particles being coated with an overlayer of a gas-selective material. | 11-20-2008 |
20090120287 | GAS SEPARATION MEMBRANE SYSTEM AND A METHOD OF PREPARING OR RECONDITIONING AND THE USE THEREOF - A gas separation membrane system and a method of preparing such gas separation membrane system by providing a porous support upon which is supported a membrane layer comprising a first gas-selective material and having a membrane thickness and removing therefrom a substantial portion of the first gas-selective material from the membrane layer by the use of an ultra-fine abrasive to thereby provide the membrane layer having a reduced membrane thickness. A second gas-selective material is deposited upon the membrane layer having the reduced membrane thickness to provide an overlayer of the second gas-selective material having an overlayer thickness so as to thereby provide the gas separation membrane system having the membrane layer of the reduced membrane thickness and the overlayer of the overlayer thickness. | 05-14-2009 |
20100005960 | HYDROGEN SEPARATOR AND METHOD OF OPERATING HYDROGEN SEPARATOR - A hydrogen separator ( | 01-14-2010 |
20100132546 | Composite Structures with Porous Anodic Oxide Layers and Methods of Fabrication - Composite structures are described that have a porous anodic oxide layer such as, for example, a porous anodic aluminum oxide layer. In one aspect, the present invention includes a composite gas separation module having a porous metal substrate; a porous anodic aluminum oxide layer, wherein the porous anodic aluminum oxide layer overlies the porous metal substrate; and a dense gas-selective membrane, wherein the dense gas-selective membrane overlies the porous anodic aluminum oxide layer. A composite filter is described having a porous non-aluminum metal substrate; and a porous anodic aluminum oxide layer, wherein the porous anodic aluminum oxide layer defines pores extending through the porous anodic aluminum oxide layer. Methods for fabricating composite gas separation modules and composite filters and methods for selectively separating hydrogen gas from a hydrogen gas-containing gaseous stream are also described. | 06-03-2010 |
20100307333 | SUPPORTED METAL MEMBRANE WITH INTERNAL COOLING FOR H2 SEPARATION - A method and apparatus for separation of H | 12-09-2010 |
20100313754 | HYDROGEN PURIFICATION METHOD, HYDROGEN SEPARATION MEMBRANE, AND HYDROGEN PURIFICATION APPARATUS - Provided are a method of efficient separation/purification of hydrogen from a hydrogen-containing gas that contains, in addition to hydrogen, at least one component of water, carbon monoxide, carbon dioxide, methane and nitrogen in an amount of at least 1% where the hydrogen permeability is kept high; a hydrogen separation membrane for use in the method; and a hydrogen purification apparatus. | 12-16-2010 |
20120325087 | HYDROGEN SELECTIVE PROTECTIVE COATING, COATED ARTICLE AND METHOD - Hydrogen selective coatings, coated articles and methods for their formation and for hydrogen separation or purification. The coatings are formed by atomic layer deposition of suitable metal oxides with desirable hydrogen activation energy or hydrogen flux, e.g., silicon dioxide, and can be borne on a nonporous, thin-film metal or cermet substrate, e.g., a palladium sheet or layer. The coated substrate may include a porous support for the sheet or layer. The coated article may be used as a purification membrane and the coating can protect the metal layer from contaminants in the gas or process stream from which hydrogen is being purified. In some embodiments, the coated article can provide such protection at elevated temperatures in excess of 300° C.; and in other embodiments, can provide protection at temperatures in excess of 600° C. and even in excess of 800° C. | 12-27-2012 |
20130092025 | DEFECTLESS HYDROGEN SEPARATION MEMBRANE, PRODUCTION METHOD FOR DEFECTLESS HYDROGEN SEPARATION MEMBRANE AND HYDROGEN SEPARATION METHOD - A defect-free hydrogen separation membrane includes a metal thin membrane. The metal thin membrane includes a first metal layer composed of palladium on a porous support without substantial penetration into surface pores of the porous support and a second metal layer on the first metal layer. The second metal layer is a product of palladium deposition and closes defects being open on the surface of the first metal layer. | 04-18-2013 |
20130152785 | METHOD OF PREPARING A PALLADIUM-SILVER ALLOY GAS SEPARATION MEMBRANE SYSTEM - A method of preparing a palladium-silver alloy gas separation membrane system, wherein the surface of the palladium layer or a silver layer is activated by a non-chemical activation method involving abrasion to a controlled surface roughness and abrasion pattern, thereby permitting the plating or deposition of an overlayer of silver on the palladium layer, silver on a silver layer, or palladium on a silver layer. The palladium and silver layers are preferably supported on a porous metal support to which an intermetallic diffusion barrier has been applied. | 06-20-2013 |
20130152786 | SEEDING METHOD FOR DEPOSIT OF THIN SELECTIVE MEMBRANE LAYERS - A process of producing transition metal-based membranes or other layers on a porous support is provided. The layers are suitable for hydrogen separation, oxygen separation, or protective or decorative purpose sand are produced by pretreating the porous support by coating with a solution of a transition metal salt, drying the seeded support, reducing the transition metal salt to transition metal metal, and electroless plating with a complex of a transition metal (palladium, silver or other)and optionally other metals. The membranes can be tubular with a transition metal layer of 1-10 μm on its outside. | 06-20-2013 |
20140251131 | PALLADIUM-ALLOYED MEMBRANES AND METHODS OF MAKING AND USING THE SAME - This disclosure relates to palladium-alloyed membranes, and more specifically to palladium-alloyed membranes for high temperature applications and to methods for making and using the same. | 09-11-2014 |
20150027307 | METHOD FOR PREPARING HYDROGEN SEPARATION MEMBRANE AND DEVICE FOR PREPARIING HYDROGEN SEPARATION MEMBRANE - The present invention relates to a method for preparing a hydrogen separation membrane capable of preventing the plating of Pd inside a porous support and a porous shielding layer when a separation membrane is prepared; a hydrogen separation membrane prepared therefrom; and a use thereof. | 01-29-2015 |
20150314232 | Novel Chemically Stable Ceramic-Metal Composite Membrane for Hydrogen Separation - A hydrogen permeation membrane is provided that can include a metal and a ceramic material mixed together. The metal can be Ni, Zr, Nb, Ta, Y, Pd, Fe, Cr, Co, V, or combinations thereof, and the ceramic material can have the formula: BaZr | 11-05-2015 |
20160115022 | METHOD FOR REFINING HYDROGEN - The present invention is to provide a method for refining hydrogen with a hydrogen refining device in which the inside of a cell is divided into a primary side space and a secondary side space by palladium alloy capillaries each having one end being closed and a tube sheet supporting the open end of the palladium alloy capillaries, in which impurity-containing hydrogen is introduced from the primary side space to allow hydrogen to permeate the palladium alloy capillaries so as to collect pure hydrogen from the secondary side space. The method for refining hydrogen has a capability of decreasing the removed amount of gas containing impurities and efficiently collecting pure hydrogen from the secondary side space. From hydrogen with 1000 ppm or less of impurities as raw material hydrogen, gas containing impurities that does not penetrate the palladium alloy capillaries is removed from the primary side space at the flow rate of 10% or less of the introduction flow rate of the raw material hydrogen. Furthermore, gas containing impurities that does not penetrate the palladium alloy capillaries is removed from the primary side space at a flow rate based on the content of impurities contained in raw material hydrogen. | 04-28-2016 |