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7611627 |
Membrane module as well as a method for making a membrane module
The membrane module according to the invention is characterized in that it has concrete flanges. This membrane module is made by first sealing a bundle of ceramic fiber membranes at one end using a...
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7611568 |
Liquid-gas separator for direct liquid feed fuel cell
A liquid-gas separator for a direct liquid feed fuel cell includes: a housing having an open hole; a gas extracting membrane that covers the open hole and transmits only the gas; a liquid...
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7608185 |
Hollow fiber membrane modules for use in distillation systems
A membrane module comprising an outer casing having an interior region, a seal disposed within the outer case, thereby dividing the interior region into a first chamber and a second chamber, and a...
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7608131 |
Three flow architecture and method for aircraft OBIGGS
An air separation system and method wherein the outlet of a primary air separation module (one or more modules or bundles of fiber membranes) is split into two flow paths, a low flow path and a...
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7604781 |
Microchannel apparatus capable of separating phases and methods of using same
Multiphasic reactions, especially those reactions using a phase transfer catalyst, are conducted in microchannel apparatus. Advantageously, these reactions can be conducted with two, planar...
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7604746 |
Pervaporation composite membranes
The present application discloses a composite membrane comprising (a) a support member that has a plurality of pores extending through the support member and (b) a cross-linked copolymer comprising...
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7604689 |
Device for moisture exchange between gas flows
Device for exchange of moisture, between at least two counter-current gas flows (A, B), comprising a generally closed chamber ( 1, 101 ) having an inlet ( 7, 107 ) and an outlet ( 8, 108 ) for a...
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7604681 |
Three-stage membrane gas separation process
A process for removing carbon dioxide or nitrogen from gas, especially natural gas. The process uses three membrane separation stages without compression between the second and third stages.
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7601202 |
Method and device for reducing the carbon dioxide concentration in air
The invention relates to a method for reducing the carbon dioxide concentration in air of a closed or partially closed unit of space. The inventive method may comprise the steps of removing an air...
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7597733 |
Liquid absorbing filter assembly and system
A filter assembly for use in sidestream gas sampling assembly. The filter assembly of the present invention includes a hydrophilic member that is constructed from a porous material and is situated...
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7588628 |
Microporous ceramic materials
The present invention provides methods for making a microporous ceramic material using a metal silicon powder and including a reaction sintering process of the silicon. A material for forming a...
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7588626 |
Composite mixed oxide ionic and electronic conductors for hydrogen separation
A mixed ionic and electronic conducting membrane includes a two-phase solid state ceramic composite, wherein the first phase comprises an oxygen ion conductor and the second phase comprises an...
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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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7585355 |
Temperature/humidity exchanger
A temperature-humidity exchanger comprising: a moisture permeable membrane which transmits moisture therethrough; a dry gas separator in which low-temperature dry gas is caused to flow; and a wet...
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7575624 |
Molecular sieve and membrane system to purify natural gas
The invention comprises a process of removing carbon dioxide from a natural gas feed stream comprising sending a natural gas feed stream comprising methane and carbon dioxide through an adsorbent...
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7572321 |
Membrane, method of making same and heat exchanger furnished with said membrane
A membrane 12 that exhibits superior condensation resistance regardless of the type of moisture-permeable resin, that has satisfactory adhesion between a porous film and a reinforcing member, and...
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7572318 |
High-temperature membrane for CO2 and/or H2S separation
A nonporous metal carbonate membrane for selective separation of CO 2 from a CO 2 -containing fluid having a porous substrate having a feed side and a permeate side. The membrane is also suitable...
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7572309 |
Filter for venting enclosures, for example containing electrical equipment, such as vehicle lighting units, and exposed to moisture or atmospheric agents
A filter for venting an enclosure ( 1 ) containing an electrical apparatus ( 4 ), such as a lens or lighting unit of a motor vehicle, and exposed to moisture or atmospheric agents, the filter...
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7560090 |
Process for producing hydrogen with permselective membrane reactor and permselective membrane reactor
A permselective membrane reactor is provided, including a reactor tube having a gas inlet at one end and a gas outlet at the other end thereof. A separator tube is disposed in the reactor tube and...
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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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7556676 |
Composite oxygen ion transport membrane
A composite oxygen ion transport membrane having a dense layer, a porous support layer, an optional intermediate porous layer located between the porous support layer and the dense layer and an...
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7556675 |
Feed gas contaminant control in ion transport membrane systems
Ion transport membrane oxidation system comprising an enclosure having an interior and an interior surface, inlet piping having an internal surface and adapted to introduce a heated feed gas into...
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7550034 |
Gas flow generator
A gas flow generator comprising: an ultrasonic driver comprising a piezoelectric or electrostrictive transducer mounted on a substrate, operation of the transducer being arranged to cause the...
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7544340 |
Method for creating a gas-liquid contact area
A method for contacting a liquid with a gas in which the gas is introduced into a vessel containing at least one hollow fiber membrane having a plurality of porous hollow fibers. The liquid is...
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7537641 |
Natural gas treatment process for stimulated well
A process and equipment for treating natural gas produced by a well that has recently been stimulated, and that contains an undesirably high concentration of the fracturing gas used to stimulate...
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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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7520919 |
Transducer-protector device for medical apparatus
The transducer-protector device for medical apparatus comprises a housing formed by two half-shells, a membrane defining a gas-permeable anti-contamination barrier, a female Luer first connection...
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7513935 |
Mixed matrix membrane with super water washed silica containing molecular sieves and methods for making and using the same
The present invention provides a method for preparing silica containing molecular sieves which may be mixed with an organic polymer to create a mixed matrix membrane. Further, this invention...
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7513932 |
Planar ceramic membrane assembly and oxidation reactor system
Planar ceramic membrane assembly comprising a dense layer of mixed-conducting multi-component metal oxide material, wherein the dense layer has a first side and a second side, a porous layer of...
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7510595 |
Metal oxide nanoparticle filled polymers
The present invention includes a method, composition and apparatus for forming a nanoparticle filled polymer having similar gas selectivity and greater gas permeability than the native polymer. The...
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7510594 |
Gas separation membrane module assembly
A gas-separation membrane module assembly and a gas-separation process using the assembly. The assembly includes a set of tubes, each containing gas-separation membranes, arranged within a housing....
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7497895 |
Membrane separation process
The invention relates to an improved membrane pervaporation and vapor permeation system in which the vacuum is produced by a fluid passing through a Venturi-type nozzle. The fluid is chosen from...
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7497894 |
Portable air separation/air dehydration system
A portable system for air separation or air dehydration, or both, is carried on a truck or equivalent vehicle. The air separation system includes, at a minimum, a feed compressor and a gas...
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7491262 |
Silver nanoparticle/polymer nanocomposite membranes for olefin/paraffin separation and method of preparing the same
There is provided a nanocomposite membrane comprising an Ag-nanoparticle/polymer nanocomposite, in which the Ag-particles are uniformly dispersed in the polymer matrix, and a support membrane for...
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7485173 |
Cross-linkable and cross-linked mixed matrix membranes and methods of making the same
The present invention is for novel high performance cross-linkable and cross-linked mixed matrix membranes and the use of such membranes for separations such as for CO 2 /CH 4 , H 2 /CH 4 and...
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7481869 |
Dry gas production systems for pressurizing a space and methods of operating such systems to produce a dry gas stream
A dry gas production system for supplying dry gas to a pressurized space, such as an underground conduit or an aerial cable. The dry gas production system may include a modular enclosure that has a...
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7476636 |
Method of making mixed matrix membranes using electrostatically stabilized suspensions
Mixed matrix composite (MMC) membranes with minimal macrovoids and defects are provided by the current invention. MMC Membranes are needed that have minimal macrovoids and defects, provide...
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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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7468092 |
Operation of mixed conducting metal oxide membrane systems under transient conditions
Method of operating an oxygen-permeable mixed conducting membrane having an oxidant feed side, an oxidant feed surface, a permeate side, and a permeate surface, which method comprises controlling...
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7465337 |
Internal combustion engine with an air separator and methods for realizing such an internal combustion engine
In an internal combustion engine with an air separation unit and a method of realizing such an internal combustion engine, the air separation unit is able to be fed by intake air compressed by a...
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7462223 |
Method for producing a membrane from a crosslinked polymer blend, and corresponding fuel cell
The present invention relates to a polymer blend membrane comprising a bridged polymer which is produced by a selected process. The membrane of the invention displays a significantly improved...
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7459084 |
Membrane-assisted fluid separation apparatus and method
This present invention relates to a fluid separation module adapted to separate a given fluid mixture into permeate and retentate portions using bundles of hollow fiber membranes. The membranes may...
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7455722 |
Ion irradiated electrolyte membrane, anode, and/or cathode
Solid oxide fuel cells selectively transport oxygen ions through an electrolyte membrane. The maximum oxygen ion transport rate limits the power density of the fuel cell. By ion irradiating the...
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7455721 |
Device and method for humidifying a gas flow
An apparatus for humidifying a gas stream includes a humidifier device having at least one membrane permeable to water vapor. The gas stream and a humid gas stream flow through a humidifier device,...
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7449047 |
Method and device for separating a gas flow using a membrane for enriching at least one gas component in the gas flow
A membrane separation process for the enrichment of at least one gas component in a gas flow, especially for the oxygen enrichment of the air and/or for the enrichment of carbon dioxide using a...
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7442360 |
Hydrogen peroxide production in microchannel reactors
The present invention includes methods and apparatuses that utilize microchannel technology and, more specifically in exemplary form, producing hydrogen peroxide using microchannel technology. An...
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7442344 |
Ceramic member with oxygen ion conductivity and use thereof
It is an object of the present invention to provide a ceramic member with excellent balance between oxygen ion conductivity and endurance (resistance to cracking and the like), an oxygen ion...
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7442233 |
Integrated heavy hydrocarbon removal, amine treating and dehydration
The present invention is directed to an improved integrated process for the removal of heavy hydrocarbons, carbon dioxide, hydrogen sulfide, and water from a raw natural gas feed stream. More...
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7442230 |
Method and apparatus for generating an inert gas on a vehicle
An inert gas generating system for generating inert gas on a vehicle having a fuel tank and a fuel tank vent. The system includes an inlet for receiving a flow of gas having a nitrogen component...
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7441667 |
Composite membranes for liquid filtration having improved uniformity and adhesion of substrate to membrane
An improved casting substrate is provided for use in a composite membrane for use as a fluid filtration medium. The composite membrane has good adhesion between the casting substrate and the...
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