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| Number | Title | Issue Date |
| 8133305 | Removal of carbon dioxide from air The present invention provides a method and apparatus for removing a contaminant, such as carbon dioxide, from a gas stream, such as ambient air. The contaminant is removed from the gas stream by a sorbent which may be regenerated using a humidity swing, a thermal s... | 03/13/2012 |
| 8118914 | Solid materials and method for COremoval from gas stream A system (10) for removing carbon dioxide from a process gas generated during the combustion of a fuel comprises at least one absorption vessel (12, 14) through which the process gas may be forwarded. The absorption vessel (12, 14) is provided w... | 02/21/2012 |
| 8083836 | Method and apparatus for extracting carbon dioxide from air A method and apparatus for extracting CO2 from air comprising an anion exchange material formed in a matrix exposed to a flow of the air, and for delivering that extracted CO2 to controlled environments. The present invention contemplates the e... | 12/27/2011 |
| 7993432 | Air collector with functionalized ion exchange membrane for capturing ambient CO An apparatus for capture of CO2 from the atmosphere comprising an anion exchange material formed in a matrix exposed to a flow of the air. ... | 08/09/2011 |
| 7964024 | Apparatus for installing or uninstalling carbon dioxide absorbent canister Disclosed is an apparatus for installing a carbon dioxide absorbent canister which comprises a body, a lifting member, and a lifting mechanism. The body comprises a breathing circuit and an adapter for connecting the carbon dioxide absorbent canister with the breath... | 06/21/2011 |
| 7947120 | Temperature swing adsorption of COfrom flue gas using a parallel channel contractor The adsorption of CO2 from flue gas streams using temperature swing adsorption. Adsorbent contactors are used in the temperature swing adsorption unit that contain a plurality of substantially parallel channels comprised of or coated with an adsorbent mat... | 05/24/2011 |
| 7896953 | Practical method of COsequestration A process and device to capture of CO2 at its originating source, such as a power plant, is disclosed. Absorbent material is recharged by desorbing CO2, so that it may be sequestered or used in another application. Continual recharging results ... | 03/01/2011 |
| 7879139 | Reactivation of lime-based sorbents by COshocking The present invention discloses a method and an apparatus for reactivating lime-based sorbents and increasing the carbon dioxide-capture capacity of the sorbent in the combustion of carbon-containing fuels. The method of the present invention seeks to increase the c... | 02/01/2011 |
| 7862647 | Gas adsorption and gas mixture separations using mixed-ligand MOF material A method of separating a mixture of carbon dioxiode and hydrocarbon gas using a mixed-ligand, metal-organic framework (MOF) material having metal ions coordinated to carboxylate ligands and pyridyl ligands. ... | 01/04/2011 |
| 7828879 | Carbon dioxide absorbing material, method for producing carbon dioxide absorbing material, method for absorbing carbon dioxide, and apparatus for absorbing carbon dioxide A carbon dioxide-absorbing material containing lithium titanate, the lithium titanate comprising 70 mol % or more of Li4TiO4 and 30 mol % or less of Li2TiO3. Furthermore, the carbon dioxide-absorbing material is obtained b... | 11/09/2010 |
| 7731782 | Temperature swing adsorption of CO2 from flue gas utilizing heat from compression Adsorption of CO2 from flue gas streams using temperature swing adsorption. The resulting CO2 rich stream is compressed for sequestration into a subterranean formation and at least a portion of the heat of compression is used in the desorption ... | 06/08/2010 |
| 7727309 | Carbon dioxide absorbent A carbon dioxide absorbent suitable for use in anesthesiology during low flow or closed circuit made of from 70 to 90% hydrated lime, from 0.1 to 17% of lithium hydroxide or its precursor, or a combination thereof, and from 5 to 25% water, wherein the absorbent prov... | 06/01/2010 |
| 7708805 | Method of producing carbon fibers, and methods of making protective clothing and a filter module Porous carbon fibers, whose active centers are formed by pores that are filled at least in part by carbon and/or metal and/or metal carbide, obtainable by carbonization of organic or inorganic polymers, the use thereof for the adsorption or separation of gaseous sub... | 05/04/2010 |
| 7708806 | Method and apparatus for extracting carbon dioxide from air A method and apparatus for extracting CO2 from air comprising an anion exchange material formed in a matrix exposed to a flow of the air, and for delivering that extracted CO2 to controlled environments. The present invention contemplates the e... | 05/04/2010 |
| 7670410 | Carbon-dioxide-gas absorber, method for separating carbon-dioxide-gas using carbon-dioxide-gas absorber, and apparatus for separating carbon-dioxide-gas including carbon-dioxide-gas absorber A carbon-dioxide-gas absorber includes a main component of composite oxide, the composite oxide including Ti and X that is at least one of Sr and Ba, and the composite oxide having a molar ratio (X/Ti) of about 1.8 to about 2.2. A substance having a perovskite struc... | 03/02/2010 |
| 7621980 | Carbon dioxide absorbent and carbon dioxide absorption method using the same A carbon dioxide absorbent that can absorb carbon dioxide at a temperature lower than that of a conventional Ba2TiO4 absorbent, as well as at a high temperature of at least 700° C., and desorb carbon dioxide at a temperature lower than that of... | 11/24/2009 |
| 7556673 | Method for the separation of carbon dioxide using a porous metal-organic framework material The present invention relates to a method for the separation of carbon dioxide from a gas mixture containing carbon dioxide comprising the steps of (a) contacting the gas mixture with at least one sorbent comprising a porous metal-organic framework mate... | 07/07/2009 |
| 7517390 | Process for adsorber regeneration The invention relates to a process for regenerating the adsorbers of adsorber stations in the crude gas stream of installations for obtaining gas products from synthesis gas with the aid of a cryogenic gas separation unit. A part-stream from the purified synthesis g... | 04/14/2009 |
| 7468097 | Method and apparatus for hydrogen production from greenhouse gas saturated carbon nanotubes and synthesis of carbon nanostructures therefrom A method and apparatus for the production of hydrogen from carbon nanotubes saturated with hydrocarbon gas or greenhouse gas is described. The hydrogen that is produced is substantially free from carbon dioxide. Additionally, the method described is useful for conve... | 12/23/2008 |
| 7442232 | Adsorbents, methods of preparation, and methods of use thereof Adsorbents and methods of use thereof are provided. One representative, among others, includes an adsorbent having an alkali metal promoted, mixed trivalent layered double hydroxide (LDH) composition. When the mixed trivalent layered double hydroxide (LDH) compositi... | 10/28/2008 |
| 7413595 | Control scheme for hybrid PSA/TSA systems An improved control scheme is set forth for an adsorption process that removes water and carbon dioxide (CO2) from a feed gas using a hybrid of both temperature swing (i.e. TSA) and pressure swing (PSA) to regenerate the adsorbent. The control scheme comp... | 08/19/2008 |
| 7404846 | Adsorbents for rapid cycle pressure swing adsorption processes Method for the separation of a gas mixture comprising providing a PSA system with at least one adsorber vessel containing adsorbent material that is selective for the adsorption of carbon monoxide and nitrogen, passing a feed gas mixture containing at least hydrogen... | 07/29/2008 |
| 7361206 | Apparatus 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 |
| 7354562 | Simultaneous shift-reactive and adsorptive process to produce hydrogen A process for producing a high temperature COx-lean product gas from a high temperature COx-containing feed gas, includes: providing a sorption enhanced reactor containing a first adsorbent, a shift catalyst and a second adsorbent; feeding into... | 04/08/2008 |
| 7332446 | Composition for forming porous film, porous film and method for forming the same, interlevel insulator film and semiconductor device According to the invention, the thin film having the thickness controlled desirably can be easily formed using common semiconductor processes. Provided is a coating liquid for forming the porous film having an excellent dielectric property and mechanical property. S... | 02/19/2008 |
| 7329307 | Method of manufacturing and using enhanced carbon dioxide adsorbent A method of processing carbon dioxide adsorbent for use in a CO2 removal system. The method includes combining a polymer, lithium hydroxide (LiOH), and lubricant that dissolves the polymer to form a first LiOH adsorbent. A structure may be formed using the first LiO... | 02/12/2008 |
| 7314503 | Process to remove nitrogen and/or carbon dioxide from methane-containing streams A process for the removal of inert gases, such as nitrogen and carbon dioxide, from methane-containing gases, such as natural gas, including a first stage removal which lowers the total combined inert content to about less than 30% and a second stage removal utilizi... | 01/01/2008 |
| 7314847 | Regenerable sorbents for COcapture from moderate and high temperature gas streams A process for making a granular sorbent to capture carbon dioxide from gas streams comprising homogeneously mixing an alkali metal oxide, alkali metal hydroxide, alkaline earth metal oxide, alkaline earth metal hydroxide, alkali titanate, alkali zirconate, alkali si... | 01/01/2008 |
| 7309378 | Syngas purification process The present invention relates to a process for purifying a syngas of the CO/H2 or N2/H2 type, which consists in removing CO2 and possibly other gaseous impurities (water, etc.) before the gas undergoes a cryogenic process.... | 12/18/2007 |
| 7300899 | Lithium exchanged zeolite X adsorbent blends A lithium exchanged zeolite X adsorbent blend with improved performance characteristics produced by preparing a zeolite X, preparing a binder which includes highly dispersed attapulgite fibers wherein the tapped bulk density of the highly dispersed attapulgite fiber... | 11/27/2007 |
| 7294172 | Helium recovery A gas recovery system comprising a source of gas having a preselected concentration of a desired component (9), at least one application (1) that adds impurities to said gas, and at least one an adsorption system (6) that purifies said gas to pr... | 11/13/2007 |
| 7288136 | High capacity immobilized amine sorbents A method is provided for making low-cost CO2 sorbents that can be used in large-scale gas-solid processes. The improved method entails treating an amine to increase the number of secondary amine groups and impregnating the amine in a porous solid support.... | 10/30/2007 |
| 7267811 | Fuel reformer catalyst and absorbent materials Materials that are useful for absorption enhanced reforming (AER) of a fuel, including absorbent materials and catalyst materials, and methods for using such materials for the conversion of carbon-based fuels to a H2-rich product gas. The materials can be... | 09/11/2007 |
| 7264788 | Fuel reformer catalyst and absorbent materials Materials that are useful for absorption enhanced reforming (AER) of a fuel, including absorbent materials and catalyst materials and methods for using the materials. The materials can be fabricated by spray processing. The use of the materials in AER can produce a ... | 09/04/2007 |
| 7250150 | Chemical reactor with pressure swing adsorption A chemical reaction is performed with separation of the product(s) and reactant(s) by pressure swing adsorption (PSA), using an apparatus having a plurality of adsorbers cooperating with first and second valve assemblies in a PSA module. The PSA cycle is characteriz... | 07/31/2007 |
| 7207170 | Warm-up method and warm-up system for internal combustion engine A warm-up system is provided for an internal combustion engine equipped with a CO2 absorbing and releasing agent that absorbs CO2 at a temperature in a first temperature range and releases the CO2 at a temperature in a second tempera... | 04/24/2007 |
| 7198768 | Anti-degradation mechanisms for protecting aminated surfaces A device and methods for either protecting or restoring the delicate surface chemistry of amine-coated substrates adapted for biological assay uses from the deleterious effects of exposure to carbon dioxide and/or organic chemical compounds, which may arise in packa... | 04/03/2007 |
| 7189280 | Adsorptive separation of gas streams A method and system for adsorptive separation of a feed gas mixture provides for increased system efficiency and product recovery. The requirement for purge gas streams consuming desired product gas to regenerate adsorption beds is reduced through an inventive metho... | 03/13/2007 |
| 7186291 | Fuel tank venting system and an additional filter element therefor Described is an additional filter element for a filter apparatus for reducing emissions from a motor vehicle tank venting system. The additional filter element is connected to a main activated carbon filter and has adsorbents which, to achieve a high working capacit... | 03/06/2007 |
| 7172645 | Gas filtration and storage using activated carbon/graphite foam monoliths An apparatus for separating a first gas from a mixture of the first gas and at least one second gas comprises a housing having an inlet port and an outlet port and an adsorbent which is positioned in the housing. The adsorbent comprising a carbon based foam monolith... | 02/06/2007 |
