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8182775 |
Dry-scrubbing media compositions and methods of production and use
Dry-scrubbing media compositions, methods of preparing same, and methods of use are provided. The compositions contain activated alumina and potassium carbonate. Optionally, activated carbon and...
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8177885 |
Gas separation process using membranes with permeate sweep to remove CO2 from gaseous fuel combustion exhaust
A gas separation process for treating exhaust gases from the combustion of gaseous fuels, and gaseous fuel combustion processes including such gas separation. The invention involves routing a first...
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8172924 |
Method of separating and storing volatile gases
A method of using a crystallographic framework of sterically bulky calixarene molecules to selectively separate and/or store volatile gas components. Sterically bulky calix[4]arenes or their...
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8163069 |
Carboxylic acid salt articles and methods of making and using them
An article comprising a substrate; and a carboxylic acid alkali salt disposed on the substrate, wherein the carboxylic acid alkali salt is derived from a carboxylic acid having at least one...
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8163066 |
Carbon dioxide capture/regeneration structures and techniques
New and useful system and method concepts are provided, for removing carbon dioxide from a flow of carbon dioxide laden air. More specifically, a sorbent structure is used in new and useful...
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8157892 |
Method and system for improved-efficiency air-conditioning
Systems and methods for circulating air in an enclosed environment are disclosed. An inlet can be provided to receive an outside air from outside of the enclosed environment and an air handling...
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8137439 |
Process and apparatus for CO2 recovery from flue gas with thermocompression
A process for the recovery of CO2 from a flue gas is provided. This process includes compressing a flue gas to a first pressure, cooling the flue gas to a first temperature, and drying flue gas by...
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8137435 |
Carbon dioxide recovery from low concentration sources
A system and method of purifying gaseous carbon dioxide from a gaseous mixture obtained at low pressure from a flue gas by passing the gaseous mixture through a vacuum swing adsorption unit and...
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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...
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8133301 |
Porous nanohybrid materials formed by covalent hybridization between metal-organic frameworks and gigantic mesoporous materials
Disclosed herein is a nanoporous hybrids formed by covalent bonding between a crystalline organic-inorganic hybrid and a gigantic mesoporous metal oxide, containing organic groups on the surface...
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8128735 |
Process for CO2 capture using zeolites from high pressure and moderate temperature gas streams
A method for separating CO2 from a gas stream comprised of CO2 and other gaseous constituents using a zeolite sorbent in a swing-adsorption process, producing a high temperature CO2 stream at a...
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8128734 |
Two stage pressure swing adsorption process for producing enriched-oxygen
An improved two stage pressure swing adsorption process for producing enriched oxygen and separating nitrogen or oxygen from a feed air stream. The process utilizes two-stage pressure swing...
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8118914 |
Solid materials and method for CO2 removal 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...
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8114808 |
Sulfur tolerant highly durable CO2 sorbents
A sorbent for the capture of carbon dioxide from a gas stream is provided, the sorbent containing calcium oxide (CaO) and at least one refractory dopant having a Tammann temperature greater than...
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8110523 |
Highly attrition resistant and dry regenerable sorbents for carbon dioxide capture
Disclosed herein is a method for preparing a dry regenerable sorbent which comprises the steps of obtaining a slurry through formulation, mixing, comminuting and dispersion of the sorbent raw...
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8088197 |
Removal of carbon dioxide from air
The present invention is directed to methods for removing CO2 from air, which comprises exposing sorbent covered surfaces to the air. The invention also provides for an apparatus for exposing air...
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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...
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8034168 |
Combustion systems and power plants incorporating parallel carbon dioxide capture and sweep-based membrane separation units to remove carbon dioxide from combustion gases
Disclosed herein are combustion systems and power plants that incorporate sweep-based membrane separation units to remove carbon dioxide from combustion gases. In its most basic embodiment, the...
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8025715 |
Process for separating carbon dioxide from flue gas using parallel carbon dioxide capture and sweep-based membrane separation steps
A gas separation process for treating flue gases from combustion processes, and combustion processes including such gas separation. The invention involves routing a first portion of the flue gas...
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8016923 |
Combustion systems, power plants, and flue gas treatment systems incorporating sweep-based membrane separation units to remove carbon dioxide from combustion gases
Disclosed herein are combustion systems, power plants, and flue gas treatment systems that incorporate sweep-based membrane separation units to remove carbon dioxide from combustion gases. In its...
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8012446 |
Recycle TSA regen gas to boiler for oxyfuel operations
NO2 may be removed from a carbon dioxide feed gas comprising NOx and at least one “non-condensable” gas as contaminants by passing the feed gas at a first elevated pressure through a first ads...
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8007555 |
Filter with multiple sections of different media
A panel air filter assembly, for use in heating, ventilating and air conditioning (HVAC) systems, which has a single filter element with multiple portions. The single filter element is sectioned...
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8007573 |
Filter and associated method
A filter includes a membrane having pores and that is air permeable. A nanoparticle precursor is dispersed throughout the pores, and the nanoparticle precursor is responsive to a stimulus to form a...
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7993616 |
Methods and devices for reducing hazardous air pollutants
The disclosure provides methods and systems for sequestering and/or reducing sulfur oxides, nitrogen oxides and/or carbon dioxide present in industrial effluent fluid streams. A solid particulate...
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7993431 |
Gas purifier apparatus and method for gas purification
A gas purifier of the present invention includes a purifier in which a gas-purifying agent is packed, wherein a gas is fed into the purifier, and impurities in the gas are removed by a thermal...
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7993432 |
Air collector with functionalized ion exchange membrane for capturing ambient CO2
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.
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7987849 |
Method for determining the consumption of a CO2 absorber in a respirator with rebreathing system
A method for determining the consumption of a CO2 absorber (8) in a respirator with a rebreathing system, with a fresh gas mixer (1) and with a computing and control unit (10). The rebreathing...
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7988766 |
Metal oxide system for adsorbent applications
Provided herein are adsorbents and methods of using the adsorbents to at least partially remove one or more adsorbates. In an aspect, an adsorbate within a phase is at least partially removed by...
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7988765 |
Systems and processes for processing hydrogen and carbon monoxide
In various implementations, various feed gas streams which include hydrogen and carbon monoxide may be processed for conversion to product streams. For example, the feed gas stream may be processed...
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7985278 |
Method of separating CO2 from a gas flow, CO2 separating device for carrying out the method, swirl nozzle for a CO2 separating device
A method is provided for separating CO2 from an exhaust gas flow of a combustion process. The method includes: compressing the gas flow and cooling the compressed gas flow. The method also includes...
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7964020 |
Gas separation process using membranes with permeate sweep to remove CO2 from combustion gases
A gas separation process for treating flue gases from combustion processes, and combustion processes including such gas separation. The invention involves flowing the flue gas stream to be treated...
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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...
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7947120 |
Temperature swing adsorption of CO2 from 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...
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7938886 |
Process for removing a target gas from a mixture of gases by thermal swing adsorption
The separation of a target gas from a mixture of gases using a thermal swing adsorption process wherein a thermal wave is used, primarily in the desorption step. The process of this invention...
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7935177 |
Method of purifying a gas stream contaminated by CO2 and one or more hydrocarbons and/or nitrogen oxides by adsorption on an aggregated zeolitic adsorbent
The present invention relates to a novel method of purifying a gas stream contaminated by CO2, hydrocarbons and/or nitrogen oxides, in particular a gas stream based on air or a syngas, by...
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7914608 |
Method of processing volatile organic compound and system for processing volatile organic compound
Discharge gas containing a volatile organic compound is supplied to an adsorption apparatus, and the volatile organic compound adsorbed in the adsorbent is then desorbed from the adsorbent by the...
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7909913 |
Gas purification by adsorption of hydrogen sulfide
Hydrogen sulfide is removed from a hydrogen rich gas stream using adsorbents having a low loss of carbon dioxide adsorption capacity upon sulfur loading including high purity silica gels, titania...
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7896953 |
Practical method of CO2 sequestration
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...
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7896951 |
Reducing carbon dioxide (CO2) emissions from the burning of a fossil fuel
A system for reducing carbon dioxide emissions from gasses generated in burning fossil fuel, includes a vessel, separator and reheater. The upper portion of the vessel receives downward flowing,...
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7879139 |
Reactivation of lime-based sorbents by CO2 shocking
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...
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7871457 |
Carbon dioxide production method
A method of producing a carbon dioxide product stream from a synthesis gas stream formed within a hydrogen plant having a synthesis gas reactor, a water-gas shift reactor, located downstream of the...
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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...
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7854790 |
Method of processing volatile organic compound, adsorption and desorption apparatus, and system for processing volatile organic compound
A method of processing a volatile organic compound is provided, wherein a volatile organic compound contained in gas to be treated is adsorbed in an adsorbent; the thus-adsorbed volatile organic...
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7846237 |
Cyclical swing adsorption processes
The concentration of adsorbate in the feed gas to an on-stream bed of a cyclical swing adsorption process is monitored and the data processed to predict the time required to complete the on-stream...
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7828877 |
Separation of carbon dioxide from other gases
An inventive adsorptive gas separation process is provided capable of producing a purified methane product gas as a light non-adsorbed product gas as opposed to a heavy desorbed exhaust gas...
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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...
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7819117 |
Emergency oxygen mask
An emergency oxygen mask includes: a respiration part worn on a user's face for supplying oxygen or discharging carbon dioxide or moisture using a pressure difference depending on respiration of...
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7820591 |
Highly attrition resistant and dry regenerable sorbents for carbon dioxide capture
Disclosed herein is a dry regenerable sorbent for carbon dioxide capture from flue gas produced by fossil fuel-fired power plants including industrial boilers before being released to atmosphere or...
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7811359 |
Composite membrane for separation of carbon dioxide
A membrane and method for separating carbon dioxide from a mixture of gases, where the membrane includes expanded polytetrafluoroethylene and polysiloxane. The membrane is highly stable and can...
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7766999 |
Process for vaporizing the product CO2 at two different pressures during CO2 separation
An improved process for the separation of carbon dioxide from the flue gas of an oxy-combustion power plant is provided. At least a first product stream and a second product stream are separated...
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