|
Match
|
Document |
Document Title |
|
|
6306307 |
Pervaporation apparatus and method
Pervaporation or vapor permeation apparatus and method having a separator module located in an unpressurized tank. The module has a plurality of stacked, disk-like separator elements mounted on a...
|
|
|
6299668 |
Method for separating mixtures of substances using a material pervious to said substances
Mixtures of gases, liquids or solutions are separated by contacting the mixtures with a substance-permeable material and applying a voltage to the substance-permeable material, thereby increasing...
|
|
|
6296686 |
Ceramic membrane for endothermic reactions
Syngas, a mixture of hydrogen and carbon monoxide, is an intermediate in the conversion of methane to liquid fuels. For certain applications, it is desirable to maintain an H 2 /CO molar ratio of...
|
|
|
6296685 |
Device and method for sampling in liquid phases using a diffusion body and an analyte-binding phase
A diffusion collector for analytes contained in liquid phases includes a planar housing which has channel-like cavities. A collecting phase is inserted into these channel-like cavities. The...
|
|
|
6273936 |
Process and plant for producing a variable gas output
In this process, the apparatus for separating the feed gas is connected to the delivery side of at least one variable-rotation-speed compressor, whose speed is controlled on the basis of the...
|
|
|
6273937 |
Membrane pervaporation and vapor permeation system
An improved membrane pervaporation and vapor permeation system is disclosed in which the vacuum is produced by a fluid passing through a Venturi-type nozzle. The fluid is chosen from solvents that...
|
|
|
6264811 |
Ion conducting ceramic membrane and surface treatment
The present invention provides an ion conducting ceramic membrane selectively permeable to a gas, for instance oxygen and a method of treating such a membrane to improve permeation through the...
|
|
|
6264726 |
Method of filtering a target compound from a first solvent that is above its critical density
The present invention is a method of separating a first compound having a macromolecular structure from a mixture. The first solvent is a fluid that is a gas at standard temperature and pressure...
|
|
|
6251344 |
Air quality chamber: relative humidity and contamination controlled systems
The present invention provides a means and a device to control relative humidity and airborne contaminants within a defined environment. The devices and methods of the present invention enable a...
|
|
|
6248153 |
Diffusional gas transfer system and method of using same
A diffusional gas transfer system and method having a membrane disposed between a first gas domain and a second gas domain. The first gas domain includes a first mechanism for directing a first...
|
|
|
6245304 |
Reactor having hollow fibers and method for carrying out gas/liquid/solid phase reactions
A reactor for carrying out gas/liquid/solid phase reactions, comprises a housing (1) which encloses an essentially closed reaction chamber (2) for holding a first liquid phase, the solid phase and...
|
|
|
6235187 |
Oxygen separation method using a mixed conducting cubic perovskite ceramic ion transport membrane
A ceramic membrane element for an oxygen separator is formed from a ceramic material represented by the structure: A 1 -x A' x B 1 -y B' y O 3 -z where A is a lanthanide element; A' is a...
|
|
|
6231642 |
Glass membrane for controlled diffusion of gases
A glass structure for controlled permeability of gases includes a glass vessel. The glass vessel has walls and a hollow center for receiving a gas. The glass vessel contains a metal oxide dopant...
|
|
|
6224677 |
Gas recovery unit utilizing dual use of gas
A CVD device A is provided which is equipped with a gas introduction part A3 having an inert gas supply part G1 for supplying a diluting inert gas and a cleaning gas supply path G2 for supplying a...
|
|
|
6214066 |
Synthesis gas production by ion transport membranes
Synthesis gas is produced from a methane-containing reactant gas in a mixed conducting membrane reactor in which the reactor is operated to maintain the product gas outlet temperature above the...
|
|
|
6207038 |
Process for preparing a composite electrolyte based on BIMEVOX and the use of said compound in separating oxygen from a gas mixture
A process for preparing a solid composite electrolyte comprising at least one compound of the BIMEVOX family is provided. The process comprises at least one step of preparing a mixture of one or...
|
|
|
6197269 |
Method for absorbing gaseous oxidizable or reducible constituents through a membrane
|
|
|
6197091 |
Ozone purification process
An ozone-oxygen gas stream produced by passing oxygen into an ozone generator is introduced into a membrane separation unit containing an ozone-permeable membrane. Ozone-enriched gas passes through...
|
|
|
6197090 |
Method and apparatus for recovering a gas from a gas mixture
An object of the present invention is to provide a method for recovering a gas using a semipermeable membrane in an apparatus having a simple structure. The method is capable of maintaining a...
|
|
|
6193784 |
Method for production of zeolite membrane
A method for the formation of a zeolite membrane, which comprises preparing raw materials (a) and (b) for the synthesis of zeolite, at least one of the raw materials containing water, positioning...
|
|
|
6187157 |
Multi-phase solid electrolyte ionic transport membrane and method for fabricating same
A multi-phase solid electrolyte ion transport membrane comprising at least two phases wherein one of the phases comprises an oxygen ion single conductive material, or a mixed conductor. The other...
|
|
|
6187196 |
Membrane separation of components in a fluid mixture
Provided is a membrane separation method for separating a first component (106) from a second component (108) in a fluid mixture (102). The method is particularly useful for separating a more...
|
|
|
6179900 |
Process for the separation/recovery of gases
A process for the separation/recovery of gases is described where the desired component to be separated from the gaseous mixture is present in low/very low molar amount and/or low/moderate...
|
|
|
6168648 |
Spiral wound type membrane module, spiral wound type membrane element and running method thereof
A spiral wound type membrane element is formed by superposing gas-liquid contact membranes on both surfaces of a first fluid passage forming member, superposing a second fluid passage forming...
|
|
|
6168650 |
High temperature gas purification apparatus
A high temperature membrane reactor or gas purification apparatus includes a housing containing a gas heating chamber and a gas extraction component, preferably one or more tubular membranes. The...
|
|
|
6156097 |
CO.sub.2 removable from fluorocarbons by semipermeable membrane
A process for removing carbon dioxide from a fluorocarbon carbon dioxide mixture in which the fluorocarbon carbon dioxide mixture is contacted with a semipermeable polyimide membrane to form at...
|
|
|
6149714 |
Process for enriched combustion using solid electrolyte ionic conductor systems
A combustion or partial oxidation process for using an oxidant with a low nitrogen concentration. An oxygen-containing gas is introduced into an ion transport module including an ion transport...
|
|
|
6146445 |
Stabilized perovskite for ceramic membranes
A stable substantially cubic perovskite crystalline structure of at least one strontium-doped lanthanum cobalt oxide (LSC) having a stabilizing amount of at least one cerium gadolinium oxide (CGO)...
|
|
|
6132492 |
Sorbent-based gas storage and delivery system for dispensing of high-purity gas, and apparatus and process for manufacturing semiconductor devices, products and precursor structures utilizing same
A sorbent-based gas storage and dispensing system, including a storage and dispensing vessel containing a solid-phase physical sorbent medium having a sorbate gas physically adsorbed thereon. A...
|
|
|
6123749 |
Separation of CO.sub.2 from unsaturated fluorinated compounds by semipermeable membrane
A process for separating carbon dioxide from an unsaturated fluorinated compound carbon dioxide mixture comprising contacting the unsaturated fluorinated compound carbon dioxide mixture with a...
|
|
|
6117328 |
Adsorbent-filled membranes for pervaporation
Pervaporation membranes are used for removing volatile organic compounds from wastewaters. These pervaporation membranes are prepared by dispersing at least one hydrophobic adsorbent such as...
|
|
|
6110257 |
Low concentration gas delivery system utilizing sorbent-based gas storage and delivery system
A low concentration gas delivery system utilizing a sorbent-based gas storage and delivery unit including a gas storage and dispensing vessel joined in flow communication with a permeation...
|
|
|
6074457 |
Molecular sieves and processes for their manufacture
Structures comprising a crystalline molecular sieve layer on a substrate and an additional layer of a refractory material to occlude voids in the molecular sieve layer.
|
|
|
6059856 |
Method and apparatus for reducing emissions from breather lines of storage tanks
A method and apparatus is disclosed for separating a vapor-gas mixture formed above a liquid in a tank and which mixture is exhausted from the tank through an exhaust line in order to relieve...
|
|
|
6051517 |
Modified zeolite membrane
A modified zeolite or molecular sieve membrane for separation of materials on a molecular scale. The modified membrane is fabricated to wholly or partially block regions between zeolite crystals to...
|
|
|
6048383 |
Mass transfer composite membrane for a fuel cell power plant
A mass transfer composite membrane for use with a fuel cell power plant includes a transfer medium core between opposed, rigid, porous support sheets. An inlet surface of the composite membrane is...
|
|
|
6039878 |
Recovery of volatile organic compounds from emulsion of volatile organic compounds in water by pervaporation
Volatile organic compounds (VOCS) can be removed from surfactant solutions using pervaporation with hydrophobic pervaporation membranes. This process can be used to remove volatile non-laqueous...
|
|
|
6039792 |
Methods of forming and using porous structures for energy efficient separation of light gases by capillary condensation
The present invention relates to an improved method and apparatus for separating one or more condensable compounds from a mixture of two or more gases of differing volatilities by capillary...
|
|
|
6033458 |
Coated materials
A substantially complete coating of a zeolite onto a material such as catalyst particles can be achieved by treating the material prior to or simultaneously with zeolite formation, with a...
|
|
|
6030436 |
Permeation tube for delivering fluid at a constant flow rate independent of ambient temperature variations
This disclosure features a permeation storage chamber in a tube having a first membrane delivering a permeate flow into an intermediate chamber. This chamber delivers flow from a second membrane....
|
|
|
6024774 |
Chemical reaction apparatus and method of collecting main product gas
The chemical reaction apparatus of the present invention can increase the producing rate of the main product gas by effectively removing carbon dioxide from the reaction site, the carbon dioxide...
|
|
|
6010614 |
Temperature control in a ceramic membrane reactor
A method for maintaining the temperature of an oxygen-selective ion transport membrane within a desired temperature range includes providing an ion transport reactor with the oxygen-selective ion...
|
|
|
5985151 |
Method and apparatus of membrane separation
A method and apparatus for separation of substances using a membrane separation device includes a housing which is mechanically coupled to a substance inlet and a permeate outlet. The housing also...
|
|
|
5976222 |
Recovery of perfluorinated compounds from the exhaust of semiconductor fabs using membrane and adsorption in series
A process for the separation and recovery of fluorochemicals from a gas stream containing a diluent gas and fluorochemicals by contact of the gas stream with a membrane system in combination with...
|
|
|
5976221 |
Removal of oil from compressed gas with macroporous polymeric adsorbent
A macroporous polymeric adsorbent is used to remove oil mist and oil vapors from compressed air produced by an oil-lubricated air compressor prior to feeding the compressed air to an air separation...
|
|
|
5968366 |
Zeolite containing composition with a selectivity enhancing coating
Compositions useful in separating molecules or catalytic conversions comprise a substrate, a zeolite or zeolite-like layer, a selectivity enhancing coating in contact with the zeolite layer and...
|
|
|
5969087 |
Polyimide, a method for manufacturing the same, a gas separation membrane using the polyimide and a method for manufacturing the same
A novel polyimide having a repeating structure unit expressed by the following general formula (1), a method for manufacturing the same, a gas separation membrane using the novel polyimide and the...
|
|
|
5964925 |
Sulfonated polyimide gas separation membranes
Gas separation membranes are prepared from sulfonated polyimides exhibiting desirable gas separation characteristics, combined with good film-forming properties and desirable solubility...
|
|
|
5961692 |
System and method of improving performance of a gas membrane dehydrator
An uncontrollable dehydrator where the uncontrollable discharge is augmented with a purge gas to increase the capacity of the dehydrator to achieve a target flow rate and dew point.
|
|
|
5954858 |
Bioreactor process for the continuous removal of organic compounds from a vapor phase process stream
The present invention provides a method for treating volatile hazardous air pollutant (VHAP) and volatile organic compound (VOC) waste products from gas streams. The system disclosed herein employs...
|