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Class 95/54 - Oxygen permeates barrier


Subclass of Class 95 - Gas separation: processes
Definition: Process in which oxygen (O2) selectively
No. of patents: 486
Last issue date: 02/14/2012


1                      
NumberTitleIssue Date
8114193Ion transport membrane module and vessel system
An ion transport membrane system comprising (a) a pressure vessel having an interior, an exterior, an inlet, and an outlet; (b) a plurality of planar ion transport membrane modules disposed in the interior of the pressure vessel and arranged in series, each membrane...
02/14/2012
7947115System and method for generation of high pressure air in an integrated gasification combined cycle system
An integrated gasification combined cycle system. In one embodiment (FIG. 2) a system (200) includes an ion transport membrane air separation unit (210) for producing oxygen-enriched gas (209) and oxygen-depleted air (227), a gasif...
05/24/2011
7875101Hybrid membrane—PSA system for separating oxygen from air
A portable, non-cryogenic, oxygen generation system capable of delivering oxygen gas at purities greater than 98% and flow rates of 15 L/min or more is described. The system consists of two major components. The first component is a high efficiency membrane capable ...
01/25/2011
7837764Oxygen exchange manifold, systems and methods for inerting a volatile environment
An oxygen exchange manifold converts oxygenate air into an oxygen depleted air stream for use in inerting an otherwise flammable environment. A system including the oxygen exchange manifold may be utilized to inert fuel tanks of an aircraft or another environment. M...
11/23/2010
7833314Purification method and junction for related apparatus
Purification method and apparatus for purifying a gas stream by oxygen removal. The apparatus includes primary and secondary oxygen separation zones and tubular electrically driven oxygen separation elements. There are more elements in the primary zone than the seco...
11/16/2010
7824470Method for enhancing mass transport in fuel deoxygenation systems
A fuel system for an energy conversion device includes a deoxygenator system with a multitude of flow impingement elements which are interleaved to provide a fuel channel with intricate two-dimensional flow characteristics. The flow impingement elements break up the...
11/02/2010
7803214Asymmetric hollow-fiber gas separation membrane, gas separation method and gas separation membrane module
The present invention relates to an asymmetric hollow-fiber gas separation membrane made of a polyimide having a specific repeating unit, an improved tensile elongation at break of 15% or more as a hollow-fiber membrane itself, an oxygen gas permeation rate (P′
09/28/2010
7766995Ozone production processes and its use in industrial processes
The present invention provides for an improved process for producing ozone which can be used to remove contaminants from gas streams in industrial processes. The improved process uses a separation device after the ozone generating system to separate the ozone from t...
08/03/2010
7682422Method for separating/recovering oxygen-rich air from air, its apparatus and gas separation membrane module
A method for separating and recovering oxygen-rich air from the air, comprising, using a gas separation membrane module where a laminate consisting of a permeate-side spacer for forming a permeate gas channel communicated with a hollow section in a core tube for col...
03/23/2010
7513932Planar 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 mixed-conducting multi-component metal oxide material in contact with th...
04/07/2009
7468092Operation 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 the differential strain between the permeate surface and the oxidant f...
12/23/2008
7465337Internal 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 charging unit and cooled by a charged air cooler. The internal combusti...
12/16/2008
7449047Method 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 membrane separation device (10), which is a part of a membrane se...
11/11/2008
7442344Ceramic 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 permeation module and a chemical reactor such as an oxygen separator, using...
10/28/2008
7435283Modular fuel stabilization system
A fuel stabilization system includes a first deoxygenator and a second deoxygenator both for removing dissolved oxygen from a hydrocarbon fuel. The first and second deoxygenators are arranged in parallel or series to sequentially remove a portion of dissolved oxygen...
10/14/2008
7431753Oxygen enrichment apparatus
An oxygen enrichment apparatus includes a main body including an oxygen enriching unit and a pump unit for supplying oxygen-enriched air obtained by the oxygen enriching unit to a predetermined place; a ventilating unit for suctioning exterior air into the main body...
10/07/2008
7431754Artificial 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 inflow port and a gas outflow port communicating with each other throu...
10/07/2008
7427312Integrated 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 end portions, with the first end portion being operably oriented gravi...
09/23/2008
7425231Feed gas contaminant removal in ion transport membrane systems
Method for gas purification comprising (a) obtaining a feed gas stream containing one or more contaminants selected from the group consisting of volatile metal oxy-hydroxides, volatile metal oxides, and volatile silicon hydroxide; (b) contacting the feed gas stream ...
09/16/2008
7422624Method 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, 126, 221) evolved by the electrolysis process in the cell is ...
09/09/2008
7422623Separation 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 separation of hydrogen from various petrochemical and oil refining streams. ...
09/09/2008
7413687Low temperature proton conducting oxide devices
A device for conducting protons at a temperature below 550° C. includes a LAMOX ceramic body characterized by an alpha crystalline structure. ...
08/19/2008
7404844Method 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 before pyrolysis of the exposed polymer precursor compounds. ...
07/29/2008
7396384Fuel 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) which is formed of a material that is impermeable t...
07/08/2008
7396390Oxygen enrichment apparatus
An oxygen enrichment apparatus includes an oxygen enriching unit for generating oxygen-enriched air and a discharge unit for discharging the oxygen-enriched air transferred from the suction unit. The oxygen-enriched air generated by the oxygen enriching unit has an ...
07/08/2008
7393389Apparatus for seperation or synthesis of process substances
An apparatus for separation or synthesis of process substances is configured with at least two cell stacks, within each of which there is arranged at least one large-area layer for the separation or synthesis and passages are formed for feeding and discharging at le...
07/01/2008
7393388Spiral wound fuel stabilization unit for fuel de-oxygenation
A deoxygenator includes a plurality of permeable membranes spirally wound about an exhaust tube for removing dissolved oxygen from a hydrocarbon fuel. The permeable membrane is spirally wrapped about the exhaust tube and defines fuel passages and exhaust passages. T...
07/01/2008
7387659Pneumatically operated automatic shutoff circuit for controlling the generation of gas
An automatic shut off circuit for controlling the flow of a gas through a gas separation system is disclosed. The gas separation system includes a gas separation module for separating nitrogen from air, and a non-electric automatic shut off circuit for controlling t...
06/17/2008
7384452Fluid heating method
A method of heating a fluid utilizing a process heater having one or more first combustion zones and one or more second combustion zones. The combustion of a fuel is divided between the first and second combustion zones. The oxygen is provided for combustion within ...
06/10/2008
7374601Air separation system and method with modulated warning flow
An inerting system and method characterized by a primary air separation module configured to communicate with an upstream source of pressurized air at elevated temperature for production of a primary downstream flow of nitrogen-enriched air to be delivered to a spac...
05/20/2008
7371357Process for removal of pollutants
A process for the removal of pollutants from a combustion process and, more particularly, a process for removing pollutants such as carbon dioxide, mercury, sulphur dioxide, nitrogen compounds and oxygen compounds from a combustion process. The process includes the ...
05/13/2008
7363764Gas turbine power plant and method of operating the same
A method of operating a gas turbine power plant and gas turbine power plant are disclosed wherein hydrogen for the combusting process is produced by feeding natural gas mixed with steam through a membrane/partial oxidation reactor and converting the natural gas at l...
04/29/2008
7361206Apparatus and method for water vapor removal in an ion mobility spectrometer
The present invention is directed to an apparatus and a method for continuously removing water vapor from a closed loop, re-circulated gas flow in an ion mobility spectrometer using a water permeable membrane, having a first side and a second side opposite the first...
04/22/2008
7338624Ceramic manufacture for a composite ion transport membrane
A method of producing a green form for use in manufacturing a composite, ceramic ion transport membrane is provided in which first and second ceramic powder mixtures are used to produce first and second layers of the green form. The first and second ceramic powder m...
03/04/2008
7335247Ion transport membrane module and vessel system
An ion transport membrane system comprising (a) a pressure vessel having an interior, an exterior, an inlet, and an outlet; (b) a plurality of planar ion transport membrane modules disposed in the interior of the pressure vessel and arranged in series, each membrane...
02/26/2008
7332108Method of preparing a thin ceramic composition with two materials, the composition thus obtained and the constituent electrochemical cell and membrane
There is disclosed a method for preparing a thin ceramic and/or metallic solid-state composition consisting of three phases: a material (A), a material (B) and pores. The concentration of each phase varies continuously from one face of the article to the other in a ...
02/19/2008
RE40065Hypoxic fire prevention and fire suppression systems for computer cabinets and fire-hazardous industrial containers
Fire prevention and suppression system is provided for computer cabinets and fire-hazardous containers. The equipment of the system provides low-oxygen environments at standard atmospheric pressure. The system employs an oxygen-extraction apparatus that supplies oxy...
02/19/2008
7329306Process for safe membrane operation
A process is disclosed for shut-down of a membrane separation zone comprising a non-permeate side and a permeate side and processing a feed stream comprising a non-permeable component, a less-readily permeable, condensable component, and a readily permeable componen...
02/12/2008
7311755Control of differential strain during heating and cooling of mixed conducting metal oxide membranes
Method of operating an oxygen-permeable mixed conducting membrane having an oxidant feed side and a permeate side, which method comprises controlling the differential strain between the oxidant feed side and the permeate side by varying either or both of the oxygen ...
12/25/2007
7303609Manufacture of polyimide-hollow fibres
A process for the manufacture of a polyimide hollow fibre comprising: (i) providing a dope solution comprising one or more polyimides dissolved in a solvent comprising 60-100 wt % N-methylpyrollidone and 0-40 wt % ethanol, (ii) providing a bore fluid, (iii) generati...
12/04/2007
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