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7611565 |
Device for hydrogen separation and method
A device for hydrogen separation has a porous support and hydrogen separation material on the support. The support is prepared by heat treatment of metal microparticles, preferably of iron-based or...
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7585356 |
Hydrothermally-stable silica-based composite membranes for hydrogen separation
Thin layers of a mixed composition are deposited on a porous substrate by chemical vapor deposition in an inert atmosphere at high temperature. The resulting membrane has excellent stability to...
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7559979 |
Hydrogen separator and method for production thereof
A hydrogen separator is provided, including a porous substrate having a large number of pores communicating from a first surface to a second surface thereof, and having a hydrogen-separating layer...
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7531215 |
Hydrogen transport membrane fabrication method
A method of forming a hydrogen transport membrane to separate hydrogen from a hydrogen containing feed in which a porous ceramic support is formed to support a dense layer of palladium or an alloy...
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7524361 |
Porous hydrogen separation membrane and method for preparing the same
Provided is a hydrogen separation membrane prepared by compression-molding metal microparticles having hydrogen adsorbing properties, wherein the microparticles are composed of 0.5 to 50% by weight...
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7497896 |
Method of treating a gas mixture comprising propane and propylene
Methods for treating a gas mixture of at least propylene and propane, in order to separate the propylene from the propane. The gas mixture is brought into contact with a membrane enables the...
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7468093 |
Multiple phase alloys and metal membranes for hydrogen separation-purification and method for preparing the alloys and the metal membranes
An Ni—Ti—Nb based multiple phase alloy consists of a combined phase which comprises a phase for the hydrogen permeability and a phase for the resistance to hydrogen embrittlement. The alloy has...
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7449052 |
Composite structures of membranes that are selectively permeable to hydrogen and combustible gas processors using same
The invention relates to a composite structure consisting of a relatively long filtration bar comprising, from the outside, an ultra-thin layer ( 26 ) that is selectively permeable to hydrogen and...
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7407529 |
System and method for reducing thermal shock in a hydrogen diffusion cell
A system and method of purifying hydrogen gas. The system includes heating elements for heating the hydrogen diffusion cell to a predetermined operational temperature. A preheater is provided for...
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7396384 |
Fuel cell gas separator
A fuel cell gas separator ( 14 ) between two planar solid oxide fuel cells ( 12 ) comprises a first layer ( 22 ) which is formed of a material that is impermeable to gases, a second layer ( 24 )...
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7393392 |
Hydrogen-permeable membrane and process for production thereof
According to the present invention there is disclosed a hydrogen-permeable membrane which comprises
a ceramic material composed of a nitride of aluminum (Al) and/or silicon (Si), an oxide of...
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7393384 |
Hydrogen separation using oxygen ion-electron mixed conduction membranes
A process for purification of hydrogen from a stream of synthesis gas or other reformate gases is described. The process, generally conducted at temperatures of approximately 800-1000° C.,...
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7390348 |
Hydrogen permeation alloy and a method of manufacturing the same
In a multiphase hydrogen permeation alloy comprising a phase in charge of hydrogen permeation and a phase in charge of hydrogen embrittlement resistance, a structure in which the phase in charge of...
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7329791 |
Hydrogen transport membranes for dehydrogenation reactions
A method of converting C 2 and/or higher alkanes to olefins by contacting a feedstock containing C 2 and/or higher alkanes with a first surface of a metal composite membrane of a sintered...
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7323040 |
Membrane module for the separation of hydrogen and method for the production thereof
A membrane module for the separation of hydrogen is configured for parallel flows and contains a plurality of planar membrane cells which respectively comprise two hydrogen-selective planar...
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7323034 |
Space group Cp2 alloys for the use and separation of hydrogen
A hydrogen permeation membrane is provided having a cP2 Pearson symbol (Pm3m space group) structure. Suitable alloys include an “A” element from Periodic Table groups 3b-5b and an “M”...
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7316728 |
Method and apparatus for treating fluids
The present invention is directed to an apparatus for combining a component from a fluid composition with a reactive fluid. The apparatus includes a hollow fiber contactor ( 142 ) having a...
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7255726 |
Composite gas separation modules having high Tamman temperature intermediate layers
A composite gas separation module includes a porous metal substrate; an intermediate layer that includes a powder having a Tamman temperature higher than the Tamman temperature of the porous metal...
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7255721 |
Device forming fuel gas for fuel cell and composite material for hydrogen separation
For a reforming device that generates fuel gas for fuel cells by decomposing hydrocarbon compounds such as natural gas and then using a hydrogen separation composite to selectively transmit...
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7175694 |
Composite gas separation modules having intermediate porous metal layers
The present invention relates to a composite gas separation module and to methods for fabricating a composite gas separation module. The present invention also relates to methods for selectively...
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7172644 |
Method for curing defects in the fabrication of a composite gas separation module
The present invention relates to a method for curing a defect in the fabrication of a composite gas separation module and to composite gas separation modules formed by a process that includes the...
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7144444 |
Hydrogen separation membrane, hydrogen separation unit, and manufacturing method for hydrogen separation membrane
There is provided a hydrogen separation membrane capable of providing high hydrogen permeability and accommodating an increase in pressure difference, a hydrogen separation unit, and a...
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7101421 |
Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of forming the same
Membrane modules that contain one or more hydrogen-selective membranes, methods for preparing the same, and hydrogen purification systems, fuel processors and devices containing the same. In some...
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7087211 |
Hydrogen production by high temperature water splitting using electron conducting membranes
A device and method for separating water into hydrogen and oxygen is disclosed. A first substantially gas impervious solid electron-conducting membrane for selectively passing protons or hydrogen...
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7074255 |
Noble metal gas barriers
A method for separating gases within a barrier, and a metallic barrier separating the gases is provided for use in solid oxide fuel cells, or SOFC. A network of pores can vent steam formed within...
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7056369 |
Membrane module for hydrogen separation
A membrane module for hydrogen separation includes a stack of flat membrane packs disposed adjacent one another so as not to exert a force on one another and a rotationally symmetrical pressure...
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7052530 |
Hydrogen purification membranes, components and fuel processing systems containing the same
Hydrogen purification membranes, hydrogen purification devices, and fuel processing and fuel cell systems that include hydrogen purification devices. The hydrogen purification membranes include a...
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7033641 |
Gas separating unit and method for manufacturing the same
A method for manufacturing a gas separating unit which comprises laminating a metal plate on a material capable of separating a hydrogen gas (palladium alloy foil) by cladding, etching selectively...
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7029515 |
Method of optimally operating a palladium-copper alloy membrane in the generation of pure hydrogen from a fossil fuel reformate at a controlled high temperature
An optimized method of operating a palladium-copper alloy membrane in the generation of pure hydrogen from a fossil fuel reformate and the like in a controlled high temperature range of from about...
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7025805 |
Hydrogen diffusion cell assembly with internal flow restrictor
A hydrogen diffusion cell that is used to purify contaminated hydrogen gas. The hydrogen diffusion cell has at least one hydrogen diffusion structure that separates a first area from a second area....
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7022165 |
Tubular hydrogen permeable metal foil membrane and method of fabrication
A tubular hydrogen permeable metal membrane and fabrication process comprises obtaining a metal alloy foil having two surfaces, coating the surfaces with a metal or metal alloy catalytic layer to...
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7018446 |
Metal gas separation membrane
A high temperature hydrogen gas separation membrane employing a physically interlocking barrier layer to form a spinel or intermetallic architecture bonding the metal barrier layer onto the surface...
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7001446 |
Dense, layered membranes for hydrogen separation
This invention provides hydrogen-permeable membranes for separation of hydrogen from hydrogen-containing gases. The membranes are multi-layer having a central hydrogen-permeable layer with one or...
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6964697 |
Metal solution-diffusion membrane and method for producing the same
A metal solution-diffusion membrane of a macroporous base on which a thin metal membrane layer is formed is disclosed. In the membrane, the base includes a hollow fiber with a metal material...
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6958087 |
Gas separator fixing structure and gas separating device using the same
The gas separator fixing structure of the present invention is characterized in that it is provided with a gas separator 10 having a gas separation membrane 30 formed on at least one surface of...
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6946020 |
Hydrogen purification module
A compact hydrogen purification module capable of affording high-grade purified hydrogen, easy assembly and easy control of size is disclosed. The module includes a plurality of unit cells. Each of...
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6899744 |
Hydrogen transport membranes
Composite hydrogen transport membranes, which are used for extraction of hydrogen from gas mixtures are provided. Methods are described for supporting metals and metal alloys which have high...
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6881242 |
Hydrogen reclamation apparatus and method
An industrial system includes a processing region for treating an article in the presence of hydrogen and a hydrogen reclamation apparatus. In one embodiment, the hydrogen reclamation apparatus...
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6866698 |
Hydrogen purification apparatus
An apparatus for purifying a hydrogen feed stream, comprising a hydrogen diffusion membrane, a first feed line for supplying a hydrogen feed stream and a second feed line for supplying a purge gas,...
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6835232 |
Fluid separation assembly and fluid separation module
A fluid separation assembly ( 10 ) having a fluid permeable membrane ( 38 and 62 ) and a wire mesh membrane ( 18 and 28 ) adjacent the fluid permeable membrane ( 38 and 62 ), wherein the wire...
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6828037 |
Hydrogen-permeable structure and method for manufacture thereof or repair thereof
The invention provides a hydrogen permeable structure, which can effectively prevent peeling-off of a hydrogen permeable film and hence has higher durability, and a method of manufacturing the...
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6794077 |
Passive water management fuel cell
A proton exchange membrane (PEM) fuel cell includes fuel and oxidant flow field plates ( 26, 40 ) having fuel and oxidant channels ( 27, 28; 41, 44 ), and water channels, the ends ( 29, 48 ) of...
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6777369 |
Process for producing catalyst
The present invention relates to the effective utilization of a used catalyst containing at least molybdenum, an A element (at least one element selected from the group consisting of phosphorus and...
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6767389 |
Hydrogen-selective metal membranes, membrane modules, purification assemblies and methods of forming the same
Membrane modules that contain one or more hydrogen-selective membranes, methods for preparing the same, and hydrogen purification systems, fuel processors and devices containing the same. In some...
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6761755 |
Composite membrane and production method therefor
A composite membrane is provided having a flexible metallic substrate for separation of hydrogen from gas mixtures, which achieves a separation ratio of hydrogen to nitrogen of greater than about...
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6726893 |
Hydrogen production by high-temperature water splitting using electron-conducting membranes
A device and method for separating water into hydrogen and oxygen is disclosed. A first substantially gas impervious solid electron-conducting membrane for selectively passing hydrogen is provided...
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6702878 |
Hydrogen-permeable membrane, manufacturing method of the same, and hydrogen gas separator using the same
A hydrogen-permeable membrane includes a metal base layer containing a Group VA element, two metal middle layers which are formed on both of the two sides of the metal base layer and containg an...
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6666909 |
Microsystem capillary separations
Laminated, multiphase separators and contactors having wicking structures and gas flow channels are described. Some preferred embodiments are combined with microchannel heat exchange. Integrated...
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6660069 |
Hydrogen extraction unit
A hydrogen extraction unit has reformed gas flow channel plates, hydrogen separation plates, and purge gas flow channel plates, which are designed as thin metal plate members. The hydrogen...
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6649559 |
Supported metal membrane, a process for its preparation and use
The invention provides a supported metal membrane which contains a metal membrane on a support surface of a porous membrane support. The supported metal membrane is obtainable by applying the metal...
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