| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 205763000 | Gas, vapor, or critical fluid | 23 |
| 20090095640 | Humidity Control Apparatus for Electrochemical Sensors - Devices and methods are disclosed that can adjust a hydration level in an electrochemical sensor or an instrument which includes such a sensor. The device can include a chamber which can, at least in part, surround an inflow port of the sensor. An adjacent reservoir of water can provide a source of water vapor which can be infused into the sensor. | 04-16-2009 |
| 20100065440 | OXYGEN PARTIAL-PRESSURE CONTROL UNIT AND METHOD OF GAS SUPPLY - The oxygen partial pressure control unit includes a gas purification section for purifying the gas having the oxygen partial pressure controlled within a range of from 0.2 to 10 | 03-18-2010 |
| 20100122914 | GAS COLLECTION DEVICE AND METHOD FOR USE THEREOF - An apparatus for collecting electrolytically formed gasses and a method for using the same are presented. A gas collection device comprises an inner vessel having an electrically conductive surface portion for allowing the electrolytic formation of a first gas; an outer vessel having an electrically conductive surface portion for allowing the electrolytic formation of a second gas; and a capture member for capturing one of the formed gasses; wherein: the inner vessel is disposed substantially within the outer vessel; both vessels are configured to allow a continuous fluid body to come into contact with the conductive surface portions; and the capture member allows the capture of one of the formed gasses without substantial contamination from the other formed gas. | 05-20-2010 |
| 20100243475 | Electrochemical Hydrogen Reclamation System - A hydrogen reclamation system comprises a first hydrogen separator having an inlet and an outlet and a second hydrogen separator having an inlet and an outlet wherein an inlet gas stream having a first concentration of hydrogen gas enters said first hydrogen separator inlet and is processed into an outlet gas stream having a second concentration of hydrogen gas which exits said first hydrogen separator outlet and subsequent to exiting said first hydrogen separator outlet, said outlet gas stream enters said second hydrogen separator inlet and is processed into a second outlet gas stream having a third concentration of hydrogen gas which exits said second hydrogen separator outlet. | 09-30-2010 |
| 20100288649 | MAGNESIOTHERMIC SOM PROCESS FOR PRODUCTION OF METALS - A process and apparatus are provided that allow metals including metals having stable oxide phases and metals with variable valencies to be extracted from their respective ores via an electrolytic process that is environmentally sound and economically viable. The process for lowering the oxidation state of a metal in a metal oxide comprises providing an electrolysis chamber housing a flux containing a highly reactive metal (e.g. Mg) and having a cathode, an anode, and a solid oxide membrane. A reducing chamber housing the metal oxide having a higher oxidation state to be reduced is provided. A solid oxide membrane (SOM) process is used to generate vapor of the highly reactive metal in the electrolysis chamber. The vapor of the highly reactive metal is directed to the reducing chamber, where the vapor of the highly reactive metal reacts with the metal oxide to be reduced to provide a metal or metal oxide having a lowest oxidation state and an oxide of the highly reactive metal (e.g. MgO). In certain embodiments, the oxide of the highly reactive metal is recycled back to the flux in the electrolysis chamber. | 11-18-2010 |
| 20100300894 | CARBON DIOXIDE CAPTURE USING RESIN-WAFER ELECTRODEIONIZATION - The present invention provides a resin-wafer electrodeionization (RW-EDI) apparatus including cathode and anode electrodes separated by a plurality of porous solid ion exchange resin wafers, which when in use are filled with an aqueous fluid. The apparatus includes one or more wafers comprising a basic ion exchange medium, and preferably includes one or more wafers comprising an acidic ion exchange medium. The wafers are separated from one another by ion exchange membranes. The fluid within the acidic and/or basic ion exchange wafers preferably includes, or is in contact with, a carbonic anhydrase (CA) enzyme to facilitate conversion of bicarbonate ion to carbon dioxide within the acidic medium. A pH suitable for exchange of CO | 12-02-2010 |
| 20110017611 | OXYGEN-SCAVENGING MIXTURES - An oxygen-scavenging mixture comprising the components (I) a nano-sized oxidizable metal component wherein the average particle size of the metal is 1 to 1000 nm and wherein the metal is unsupported or supported by a carrier material, (II) an electrolyte component, and (III) a non-electrolytic, acidifying component. | 01-27-2011 |
| 20110132772 | CHEAP THIN FILM OXYGEN MEMBRANES - The present invention provides a membrane, comprising a porous support layer a gas tight electronically and ionically conducting membrane layer and a catalyst layer, characterized in that the electronically and ionically conducting membrane layer is formed from a material having a crystallite structure with a crystal size of about 1 to 100 nm, and a method for producing same. | 06-09-2011 |
| 20110168572 | Composite Mixed Carbonate Ion and Electron Conducting Membranes and Reactant Gas Assisted Chemical Reactors for CO2 Separation and Capture - The present disclosure relates to a system for carbon dioxide seperation and capture. The system includes a porous metal membrane comprising Ni, Ag, or combinations thereof and having molten carbonate within the pores. A CO | 07-14-2011 |
| 20110233071 | ELECTROCHEMICAL METHOD FOR REDUCING MOLECULAR OXYGEN - Electrochemical process for the reduction of molecular oxygen in alkaline solutions in the presence of nitrogen-doped carbon nanotubes, in which no hydrogen peroxide forms as a by-product of the reduction. | 09-29-2011 |
| 20120012471 | METHOD FOR ELECTROCHEMICALLY REMOVING HYDROGEN FROM A REACTION MIXTURE - The invention relates to a process for the electrochemical separation of hydrogen from a hydrogen-comprising reaction mixture R by means of a gastight membrane-electrode assembly comprising at least one selectively proton-conducting membrane and at least one electrode catalyst on each side of the membrane, where at least part of the hydrogen present in the reaction mixture R is oxidized to protons over the anode catalyst on the retentate side of the membrane and the protons are, after passing through the membrane to the permeate side, | 01-19-2012 |
| 20120055808 | PROCESS FOR THE ELECTROLYTIC DISSOCIATION OF HYDROGEN SULFIDE - The invention relates to a process for the electrolytic dissociation of hydrogen sulfide dissolved in an amine scrubber solution in an electrolysis cell ( | 03-08-2012 |
| 20120111737 | METHOD FOR PRODUCING CARBON MATERIALS HAVING NITROGEN MODIFICATION STARTING FROM CARBON NANOTUBES - The invention relates to a novel process for producing carbon materials which are modified at least on their surface with pyridinic, pyrrolic and/or quaternary nitrogen groups starting out from carbon nanotubes. | 05-10-2012 |
| 20130199940 | Methods for Associating or Dissociating Guest Materials with a Metal Organic Framework, Systems for Associating or Dissociating Guest Materials Within a Series of Metal Organic Frameworks, and Gas Separation Assemblies - Methods for releasing associated guest materials from a metal organic framework are provided. Methods for associating guest materials with a metal organic framework are also provided. Methods are provided for selectively associating or dissociating guest materials with a metal organic framework. Systems for associating or dissociating guest materials within a series of metal organic frameworks are provided. Gas separation assemblies are provided. | 08-08-2013 |
| 20140102913 | GAS DECOMPOSITION APPARATUS AND METHOD FOR DECOMPOSING GAS - [Object] To provide a gas decomposition apparatus and a gas decomposition method in which no safety problems occur in spite of the application of a relatively high voltage between an anode and a cathode for the purpose of decomposing odorous gases of many types. | 04-17-2014 |
| 20140166499 | SUPERCAPACITIVE SWING ADSORPTION - Desirable gas separation technologies, including novel methods and systems, are provided herein. The inventive gas separation technologies presented herein utilize supercapacitive swing adsorption (“SSA”) top selectively remove at least one chemical from a gas stream, such as the waste gas exhaust stream of a coal-fired electrical power generation plant. In some embodiments, the supercapacitive apparatus comprises a novel prepared mesoporous material comprising tungsten, preferably as WO3. | 06-19-2014 |
| 20140332405 | HYDROGEN PRODUCTION PROCESS WITH CARBON DIOXIDE RECOVERY - A method for producing hydrogen by performing the steps of feeding a synthesis gas mixture to a pressure swing adsorption unit; producing hydrogen from the synthesis gas mixture in the pressure swing adsorption unit; feeding the remainder of the synthesis gas mixture at low pressure to an electrochemical cell wherein hydrogen is separated from the remainder of the synthesis gas mixture and is simultaneously pressurized; feeding the pressurized hydrogen from the electrochemical cell to join with the hydrogen generated in the pressure swing adsorption unit and recovering the combined hydrogen product. The synthesis gas mixture may be from a reformation unit and it may be subject to a water gas shift reaction. In addition to the production of hydrogen, the separation of hydrogen in the electrochemical cell increases the concentration of carbon dioxide in the residual waste gas and enables carbon dioxide recovery. | 11-13-2014 |
| 20140332406 | PURIFICATION METHODS AND SYSTEMS FOR CONTAMINATED LIQUIDS AND MINERAL SLURRIES - The present disclosure describes methods and systems comprising hydrodynamic cavitation, microwave irradiation, and at least one of oxidative sonoelectrolysis and reductive sonoelectrolysis, providing feedstock purification of at least one of water, fluid and mineral. Contaminants, broken down and chemically degraded into smaller and more volatile substances by hydrodynamic cavitation are ultimately destroyed in the course of one or more sonoelectrolysis steps. In various embodiments, at least one of oxidative sonoelectrolysis and reductive sonoelectrolysis is irradiated with microwaves in order to heat the sonoplasma present within acoustic cavitation bubbles to temperatures sufficient to destroy contaminants therein. | 11-13-2014 |
| 20140353169 | HYDROGEN RECYCLING APPARATUS AND METHOD OF OPERATION - A method of operating an electrochemical cell stack is provided. The method includes feeding a reactant gas to the cell stack. The flow of the reactant gas is halted to at least one cell in the cell stack. The voltage applied to the at least one cell is increased. The flow of reactant gas to the at least one cell is initiated in response to the voltage increasing above a threshold for a predetermined amount of time. | 12-04-2014 |
| 20150343372 | Pre-Treatment of Samples by Electrochemical Removal of Dissolved Gases - Present embodiments provide an energy-efficient separator having at least two chambers fluidically isolated by a gas permeable membrane for the removal of dissolved gases from a sample which, in some aspects, enables cost-effective monitoring of liquid samples to be performed remotely and automatically, and in other aspects is suited for various other applications where removal and/or regulation of gases in a sample are desirable. | 12-03-2015 |
| 205765000 | Using solid electrolyte | 3 |
| 20110233072 | Method Of Purifying A Hydrogen Stream USing An Electrochemical Cell - A method of purifying a hydrogen stream using an electrochemical cell having an enclosed electrically conductive cylindrical outer shell and a hollow wet polymeric membrane located within and parallel to the longitudinal axis of the cylindrical member which provides an inner compartment and an outer compartment. An electrode having a longitudinal axis is located within the inner compartment and is spaced from the hollow polymeric membrane. A gas inlet for feeding a hydrogen stream that is to be purified communicates with the inner compartment and a gas outlet is provided for passing purified hydrogen gas thru the cylindrical outer shell. The electrode within the hollow wet polymeric membrane is connected to an anode terminal of a dc supply with an electrical conductor and the outer shell of the cylindrical shaped member is connected to a cathode terminal of the dc supply with another electrical conductor. | 09-29-2011 |
| 20150360172 | Method Of Purifying A Hydrogen Stream Using An Electrochemical Cell - A method of purifying a hydrogen stream using an electrochemical cell having a tightly wound leak resistant metal spring and a hollow wet polymeric membrane located within and concentric with the metal spring which provides an inner compartment and an outer compartment. A porous metal electrode in a form of a tubular sintered metal filter is located within the inner compartment and is spaced from the hollow polymeric membrane. A gas inlet for feeding a hydrogen stream that is to be purified communicates with the inner compartment and a gas outlet is provided for passing purified hydrogen gas thru the metal spring. The electrode within the inner compartment is connected to an anode terminal of a dc supply with an electrical conductor and the metal spring is connected to a cathode terminal of the dc supply with another electrical conductor. | 12-17-2015 |
| 20160175768 | METHOD AND SYSTEM FOR THE PURIFICATION OF EXHAUST GAS WITH AN ELECTROCHEMICAL CELL | 06-23-2016 |
