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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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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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7591883 |
Microfiber supported nanofiber membrane
A nanofiber membrane is formed on a microfiber membrane. The nanofiber membrane may be electro sprayed directly onto the microfiber membrane and becomes integrated with the microfiber membrane to...
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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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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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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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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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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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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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7527673 |
Polyimide based mixed matrix composite membranes
A polyimide MMC membrane useful for the production of oxygen-enriched air or nitrogen-enriched-air, for the separation of carbon dioxide from hydrocarbons or nitrogen, and the separation of helium...
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7526917 |
Gas diffusion vacuum device
A gas diffusion vacuum device includes a supply of gas, a nonpermeable enclosure, a supply of liquid, an open liquid reservoir and a gas permeable cover. A first end of the nonpermeable enclosure...
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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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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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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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7501008 |
Hydrogen storage systems and fuel cell systems with hydrogen storage capacity
The present invention relates to a gas storage and dispensing system, which comprising a carrier material for a target gas and multiple microtubular elements in contact with such carrier material....
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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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7490725 |
Reverse osmosis membrane and process
A reverse osmosis membrane, and methods for making and using the membrane. The membrane has a continuous, defect-free, non-porous, hydrophilic coating that reduces the susceptibility to fouling.
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7488371 |
Degassing device for degassing matrix material in order to produce fiber-reinforced components
Degassing device for degassing matrix material in the manufacture of fiber-composite components with a support device, a distribution fabric, a gate device, a discharge device, a...
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7487631 |
System and method for supplying reductants to an emission treatment system
System and method for supplying reductants to an emission treatment system. The system includes a fuel tank adapted to supply a premixed fuel stream that includes a primary component and a...
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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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7479227 |
Liquid-phase separation of low molecular weight organic compounds
A process for separating a component from a low molecular weight organic mixture by pervaporation. The process uses fluorinated membranes and is particularly useful for treating mixtures containing...
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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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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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7452405 |
Multi stage sulfur removal system and process for an auxiliary fuel system
A system for producing an auxiliary fuel stream containing a low concentration of sulfur compounds from a primary fuel stream includes a first separation stage to separate a portion of a primary...
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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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7442231 |
Electricity generation system
An electricity generation system is disclosed for utilization with a natural gas purification system. In one embodiment, a gas-driven engine which is substantially powered by a low-BTU gas produced...
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7435284 |
Parallel-plate diffusion gas dehumidifier and methods for use
A parallel-plate diffusion gas dehumidifier has a treatment zone having at least one water-permeable membrane. The gas dehumidifier includes an untreated gas inlet, a treatment zone bounded by...
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7422627 |
Gas transmitter with selective gas permeable surfaces
A gas transmitter having selective gas permeable surfaces includes a support disc that is provided with a plurality of through openings. The support disc is made from a semiconductor material. The...
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7422624 |
Method for operating one or more electrolysiscells for production of aluminium
A method for operating one or more electrolysis cells ( 43, 154, 243 ) for production of aluminium, the cell comprising inert or substantially inert anodes, where an oxygen containing gas ( 21,...
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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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7410525 |
Mixed matrix membranes incorporating microporous polymers as fillers
The present invention is for a polymer/polymer mixed matrix membrane and the use of such membranes in gas separation applications. More specifically, the invention involves the preparation of...
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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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7404848 |
Humidifier and a method for producing the same
A humidifier and a method for producing it can reduce gas leakage through inside the surfaces of humidifying membranes or through interfaces between the humidifying membranes and separators. The...
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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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7404807 |
Pediatric nasal gastric vent tube
To alleviate the spillage of formula from a nasal-gastric tube, a small (5 cc size) constant diameter barrel having a side arm is inserted into the N-G tube. The equal sized open ends of the barrel...
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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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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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7393391 |
Fabrication of an anisotropic super hydrophobic/hydrophilic nanoporous membranes
Anisotropic hydrophobic/hydrophilic nanoporous membranes and methods of forming anisotropic hydrophobic/hydrophilic nanoporous membranes are disclosed. The method of forming the nanoporous membrane...
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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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