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7615105 |
Separation membrane
It is an object of the present invention to provide a separation membrane in which a film-forming solution can be prevented from reaching a rear surface of a porous support in a step of forming a...
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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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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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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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7601203 |
Hybrid vacuum system for fuel deoxygenation
A fuel system for a gas turbine engine removes oxygen from fuel with a fuel stabilization unit (FSU). The FSU includes a first vacuum stage, where vacuum pressure is created by an ejector and a...
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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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7601201 |
Method of removing carbon monoxide from an oxygen carrier and apparatus for removing carbon monoxide
A method of removing carbon monoxide from an oxygen carrier including setting a carbon monoxide bonded oxygen carrier solution across a separation membrane from an oxygen-dissolved solution; and...
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7591878 |
Membrane gas separation
The invention relates to gas separation, in particular to separation of CO 2 from CO 2 -rich liquids, particularly from CO 2 absorption liquids used in the removal of CO 2 from off-gases or...
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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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7585347 |
Ceramic filter
A ceramic filter is provided, including a base body having partition walls made of a ceramic porous body and defining cells, filter membranes provided on the partition walls which are made of a...
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7582143 |
Moisture exchange module having bundle of moisture permeable hollow fibre membranes
A moisture exchange module includes a bundle of moisture-permeable hollow fiber membranes. It is provided with a feedline for supplying a gas stream that flows through the hollow fiber membranes in...
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7578940 |
Membrane cartridge, membrane separating device, and membrane separating method
A membrane separating method and a membrane separating device capable of preventing sludge from being accumulated on the surface of hollow fiber membranes in a membrane cartridge and having...
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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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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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7556677 |
Solvent resistant asymmetric integrally skinned membranes
There is provided an asymmetric integrally skinned membrane comprising a polyimide and another polymer selected from the group consisting of polyvinylpyrrolidone, sulfonated polyetheretherketones...
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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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7517388 |
Air separation membrane module with variable sweep stream
A gas-separation module allows a sweep gas to be introduced at selectively variable locations, and in selectively varying amounts, along the length of the module. The sweep gas enters the module...
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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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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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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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7491258 |
Fuel tank ventilation device
A gas and liquid separation device for use with a fuel tank. The separation device includes a body having at least one passage therethrough in fluid communication with the fuel tank, and a gas and...
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7488448 |
Method and apparatus for removal of gas bubbles from blood
A system for removing gas bubbles from blood during circulatory assist procedures. An active filter apparatus forces the bubbles to the center of the system where they are removed from the blood...
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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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7473302 |
Liquid housing container and liquid supply apparatus
The present invention provides a durable liquid housing container and a durable liquid supply apparatus which use a gas-liquid separation membrane. Thus, a gas-liquid separation membrane ( 2 )...
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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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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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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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7449110 |
Filter and filter module
The filter 1 of the present invention has at least two filter elements 2 contained in the casing 4 , which are connected in series in such a state as interposing the first sealer 5 between...
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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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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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7431754 |
Artificial lung
An artificial lung includes a housing, a tubular hollow fiber membrane bundle contained in the housing and providing a multiplicity of hollow fiber membranes having a gas exchange function, a gas...
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7427312 |
Integrated degassing and debubbling apparatus
An apparatus for removing gas bubbles from a fluid includes a fluid inlet and a separation chamber that is in fluid communication with the fluid inlet. The separation chamber has first and second...
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7422623 |
Separation membrane by controlled annealing of polyimide polymers
This abstract discusses membranes needed to separate fluids for the production of oxygen-enriched air, nitrogen-enriched-air, for the separation of carbon dioxide from hydrocarbons, and the...
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7410580 |
Hollow fiber module
The invention relates to a hollow fiber separation module comprising an inlet ( 20 ) for the gas to be dried, an outlet ( 22 ) for dried gas, an access element ( 26 ) and a discharge element ( 28 )...
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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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7404844 |
Method for making carbon membranes for fluid separation
There is disclosed a method of making a high performance carbon membranes from polymer membranes. The method comprising the steps of exposing polymer precursor compounds to a polar organic liquid...
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7404843 |
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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7399345 |
Capillary flow restrictor apparatus
A pump for use in operably evacuating a chamber in a vacuum degassing apparatus includes one or more pumping cavities that are in fluid communication with the chamber, and a continuous vent channel...
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7399344 |
Hydrogen peroxide recovery with hydrophobic membrane
An apparatus and process are presented that provide for the separation of hydrogen peroxide from a solution having an acid and hydrogen peroxide.
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7399339 |
Polyoxometalate material for gaseous stream purification at high temperature
A method for purification of a gaseous stream having at least one impurity in which a porous material having at least one polyoxometalate-based material is contacted with the gaseous stream and the...
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7396385 |
System and method for efficiently separating hydrogen gas from a mixed gas source
A hydrogen purification system that is used to separate hydrogen gas from a source gas. The hydrogen purification system has a hydrogen separator into which the source gas is permitted to flow....
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7393390 |
Hollow fiber membrane air drier
Air is introduced from an intake chamber into a plurality of hollow fiber membranes in a casing. The casing is connected to a vacuum pump via a three-way valve and water vapor in air is evacuated...
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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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7393383 |
Separation membrane made from blends of polyimide with polyamide or polyimide-amide polymers
Membranes are used to separate fluids for the production of oxygen-enriched air, nitrogen-enriched-air, for the separation of carbon dioxide from hydrocarbons, and the separation of hydrogen from...
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