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US20140079612 METHOD AND SYSTEM TO RECLAIM FUNCTIONAL SITES ON A SORBENT CONTAMINATED BY HEAT STABLE SALTS  
The objective of this invention is to develop a method to reclaim functional sites on a CO2 sorbent that have reacted with an acid gas (other than CO2) to form heat stable salts (HSS). HSS are a...
US20140134088 Porous Adsorbent Structure for Adsorption of CO2 from a Gas Mixture  
A porous adsorbent structure that is capable of a reversible adsorption and desorption cycle for capturing CO2 from a gas mixture comprises a support matrix formed by a web of surface modified...
US20140199220 THERMAL DESTRUCTION OF NITROSAMINE IN CO2 CAPTURE  
Methods related to the removal of acidic gas are provided. In particular, the present disclosure relates to methods for the removal of acidic gas from a gas mixture, wherein said methods minimize...
US20110158873 SEQUESTRATION OF A GAS EMITTED BY AN INDUSTRIAL PLANT  
A method of sequestering a multi-element gas emitted by an industrial plant is described herein, the method comprising: contacting a solution, including a first reactant comprising a multi-element...
US20110076214 Reversible Room-Temperature Ionic Liquids  
One aspect of the present invention relates to salts that are room-temperature ionic liquids (RTILs), methods of making them, and methods of using them in connection with temporary or permanent...
US20150030516 SYSTEM FOR CHEMICALLY ABSORBING CARBON DIOXIDE IN COMBUSTION EXHAUST GAS  
A carbon dioxide (CO2) chemical absorption system comprising: a CO2 absorption column for separating CO2 from combustion exhaust gas by absorbing the CO2 in the combustion exhaust gas with a CO2...
US20130164203 CO2 RECOVERY SYSTEM AND CO2 RECOVERY METHOD  
A CO2 recovery system includes an absorber 2 and a regenerator 3. The absorber 2 includes a CO2 absorbing section 21 and a water-washing section 22. The CO2 absorbing section 21 allows flue gas...
US20120237421 Method for Removing CO2 From Exhaust Gases, Such as Exhaust Gases From Plants for Producing Raw Iron or Exhaust Gases From Syngas Plants  
A method for the removal of CO2 from exhaust gases, e.g., exhaust gases from plants for pig-iron production or exhaust gases from synthesis-gas plants, includes removing CO2 using chemical and/or...
US20140301930 ABSORBENT TERTIARY MONOALKANOLAMINE SOLUTION BELONGING TO THE 3-ALCOXYPROPYLAMINE FAMILY, AND METHOD FOR REMOVING ACIDIC COMPOUNDS CONTAINED IN A GAS EFFLUENT  
The absorbent solution for removing acidic compounds contained in a gas effluent comprises water and at least one amine that is selected from among tertiary monoalkanolamines that contain an...
US20130287662 Low Cost Immobilized Amine Regenerable Solid Sorbents  
A method of modifying a chemical interaction between a functional group of an immobilized amine in a solid sorbent composition and a compound that chemically interacts with the functional group to...
US20140178279 AMINE ABSORBENT AND A METHOD FOR CO2 CAPTURE  
A liquid, aqueous CO2 absorbent comprising two or more amine compounds, where the aqueous solution of amines having absorbed CO2 is not, or only partly miscible with an aqueous solution of amines...
US20120014853 NEW PROCESS FOR RECOVERING CO2 FROM REGENERATION FLUE GAS COMING FROM A CATALYTIC CRACKING UNIT  
The invention describes an integrated process for capturing CO2 emitted by at least a portion of the flue gas coming from the regeneration zone of a catalytic cracking unit using a unit for amine...
US20120063976 METHODS OF REMOVING CARBON DIOXIDE AND SORBENTS FOR SAME  
Methods of removing carbon dioxide comprising contacting a gas mixture comprising carbon dioxide with a sorbent. The sorbent comprises the following chemical structure: wherein at least one of R1,...
US20110195006 SOUR-GAS SWEETENING SOLUTIONS AND METHODS  
A sour gas sweetening solution comprises an aqueous solution of a silicon-containing compound and an amine-containing compound. The silicon-containing compound is preferably maintained at a...
US20110176981 ABSORBENT SOLUTION BASED ON A TERTIARY OR HINDERED AMINE AND ON A PARTICULAR ACTIVATOR AND METHOD FOR REMOVING ACID COMPOUNDS FROM A GASEOUS EFFLUENT  
The invention relates to the removal of acid compounds from a gaseous effluent In an absorption method using an aqueous solution comprising a tertiary amine or a sterically hindered amine in...
US20130287661 AEROGEL SORBENTS  
The current invention describes methods and compositions of various sorbents based on aerogels of various silanes and their use as sorbent for carbon dioxide. Methods further provide for...
US20150056114 COMPOUND INCLUDING OXALATE, CARBON DIOXIDE ABSORBENT INCLUDING THE SAME, METHOD OF PREPARING CARBON DIOXIDE ABSORBENT AND METHOD OF REMOVING CARBON DIOXIDE  
Disclosed are a compound including an oxalate, a carbon dioxide absorbent including the same, a method of preparing the carbon dioxide absorbent and a method of removing carbon dioxide, which may...
US20080289500 System and method for removing carbon dioxide from an atmosphere and global thermostat using the same  
A system for removing carbon dioxide from an atmosphere to reduce global warming and increase availability of renewable energy including an air extraction system that collects carbon dioxide from...
US20130009101 GAS DEACIDIZING METHOD USING AN ABSORBENT SOLUTION WITH COS REMOVAL THROUGH HYDROLYSIS  
The method deacidifies a gas including H2S and CO2. The gas is subjected to an absorption to collect the CO2 and the H2S in an absorber, then to conversion through hydrolysis of the COS to H2S and...
US20140017153 N-FUNCTIONALIZED IMIDAZOLE-CONTAINING SYSTEMS AND METHODS OF USE  
Systems containing imidazoles or blends of imidazoles and amines are described herein. Methods of their preparation and use are also described herein. The methods of using the systems include the...
US20120248372 N-Functionalized Imidazole-Containing Systems and Methods of Use  
Systems containing imidazoles or blends of imidazoles and amines are described herein. Methods of their preparation and use are also described herein. The methods of using the systems include the...
US20130315809 METHOD OF CONTROLLING CO2 CHEMICAL ABSORPTION SYSTEM  
In a system of absorbing CO2 from exhaust gas comprising absorbent regeneration equipment (a reclaimer), the present invention solves a problem of a water balance associated with operation of the...
US20150139878 CO2 RECOVERY DEVICE AND CO2 RECOVERY METHOD  
A CO2 recovery device is provided with a CO2 absorption tower and an absorption-solution regeneration tower. The CO2 absorption tower includes: a CO2 absorption section in which CO2-containing...
US20130102460 POLYANILINE-GRAPHITE NANOPLATELET MATERIALS  
Nanocomposite adsorbent materials and methods for their preparation and use are described. As an example, a polyaniline-graphite nanoplatelet nanocomposite may be used to adsorb carbon dioxide.
US20110081287 GAS DEACIDIZING METHOD USING AN ABSORBENT SOLUTION WITH VAPORIZATION AND/OR PURIFICATION OF A FRACTION OF THE REGENERATED ABSORBENT SOLUTION  
The gaseous effluent to be treated is contacted in column C1 with an absorbent solution selected for its property of forming two separable phases when it is heated. The regenerated absorbent...
US20120164043 Organo-Amine Acid Gas Adsorption-Desorption Polymers, Processes for Preparing Same, and Uses Thereof  
An adsorption-desorption material, in particular, crosslinked organo-amine polymeric materials having an Mw from about 500 to about 1×106, a total pore volume from about 0.2 cc/g to about 2.0...
US20150139879 METHOD AND PLANT FOR REMOVING ACID COMPOUNDS FROM GASEOUS EFFLUENTS OF DIFFERENT ORIGINS  
The invention relates to a method and a plant for removing the acid compounds contained in two gaseous effluents of different origins, comprising using a single amine-based absorbent solution...
US20140377156 Selectively CO2-Permeable Membrane, Method for Separating CO2 from Mixed Gas, and Membrane Separation Equipment  
Disclosed is a CO2 permselective membrane 1 having an amino acid ionic liquid and a porous membrane impregnated with the amino acid ionic liquid, wherein the amino acid ionic liquid contains a...
US20150056115 COMPOUND INCLUDING ACTIVATED METAL AND LIGAND, CARBON DIOXIDE ABSORBENT INCLUDING THE COMPOUND, METHOD OF PREPARING THE CARBON DIOXIDE ABSORBENT, AND METHOD OF REMOVING CARBON DIOXIDE  
Provided is a compound including an activated metal and a ligand, a carbon dioxide (CO2) absorbent including the compound, a method of preparing the CO2 absorbent, and a method of removing CO2.
US20110110834 ABSORBENT SOLUTION CONTAINING A THIADIAZOLE-DERIVED DEGRADATION INHIBITOR AND METHOD FOR LIMITING THE DEGRADATION OF AN ABSORBENT SOLUTION  
The degradation of an absorbent solution comprising organic compounds having a amine function in aqueous solution is substantially reduced in the presence of a small amount of thiadiazole-derived...
US20140205525 AMINE PROMOTION FOR CO2 CAPTURE  
Promoter amines are used to enhance CO2 uptake by sterically hindered or tertiary amines. The promoter amines can be cyclic amines, including aromatic cyclic amines or bridged cyclic amines. The...
US20100061904 CO2 ABSORPTION METHOD  
A method for removing CO2 in a exhaust gas from combustion of carbonaceous material, in which method the exhaust gas is brought in countercurrent flow with a liquid CO2 absorbent in a contact...
US20140056792 ABSORBENT, CO2 OR H2S REDUCING APPARATUS, AND CO2 OR H2S REDUCING METHOD USING ABSORBENT  
An absorbent according to the present invention absorbs CO2 or H2S contained in flue gas emitted from a power generating plant such as a thermal plant, and contains three or more amine compounds...
US20120070353 Process For Separating Off Acidic Gases By Means Of Metal-Organic Frameworks Impregnated With Amines  
The present invention relates to a process for separating off at least one acidic gas from a gas mixture comprising at least one acidic gas, which comprises the step of contacting of the gas...
US20120308457 Alkali-Carbonate-Based Carbon Dioxide Absorbent Containing Added Sterically Hindered Cyclic Amines, and Method for Removing Carbon Dioxide Removing Using Same  
The present invention relates to a carbon dioxide absorbent, and more particularly, to an alkali carbonate-based carbon dioxide absorbent containing added sterically hindered cyclic amines, and to...
US20120164044 Vinylepoxide-Amine Acid Gas Adsorption-Desorption Polymers and Oligomers, Processes for Preparing Same, and Uses Thereof  
An adsorption-desorption material, in particular, crosslinked vinylepoxide-amine polymeric materials having an Mw from about 500 to about 1×106, a total pore volume from about 0.2 cc/g to about...
US20150118136 ABSORBENT FOR DESULFURIZATION OF COMBUSTION GAS AND METHOD OF TREATING COMBUSTION GAS USING THE SAME  
An absorbent for desulfurization of combustion gas is provided. The absorbent includes about 1 to about 16 wt % of potassium carbonate (K2CO3); about 0.1 to about 10 wt % of a promoting agent...
US20150258497 REMOVAL OF METALS FROM CO2 CAPTURE SOLVENTS  
Corrosion in a CO2 removal system is reduced or even entire avoided by use of a metal ion chelator unit that removes metal ions, and especially iron ions from an amine solvent to a level of equal...
US20130323148 INTEGRATED CO2 PHASE CHANGING ABSORBENT FOR CO2 SEPARATION SYSTEM  
A method and system for removing carbon dioxide from a power plant exhaust (such as a power plant, coal boilers, natural gas combined cycle plants or a gas turbine engine exhaust), where the...
US20140219899 Methods and Systems for Capturing Carbon Dioxide From Dilute Sources  
Methods and systems for capturing carbon dioxide from dilute sources are disclosed. In some embodiments, the methods include the following: (a) directing a first substantially gaseous stream...
US20130243676 AMINE TREATING PROCESS FOR ACID GAS SEPARATION USING BLENDS OF AMINES AND ALKYLOXYAMINES  
A process for absorbing H2S and CO2 from a gas mixture containing both these gases comprises contacting the gas mixture with an absorbent combination of (i) primary absorbent component comprising...
US20130294991 Modified Oxide Supports For Enhanced Carbon Dioxide Adsorbents Incorporating Polymeric Amines  
A tunable species removal media including a polymer-impregnated porous material with the introduction of heteroatoms into the porous material during the synthesis of the oxide support. The polymer...
US20090087366 Solvent for Separating Acid Gas Components from Technical Gases  
The invention relates to the use of a liquid, containing 0.1 to 100% of an amine or several amines of formula H2N—CH2(CHR2)x—(OCH2(CHR3)y)z—OR1, where R1═C1 to C6 alkyl, R2═H or CH3, R3═H or CH3,...
US20130011314 METHOD OF REMOVING ACID COMPOUNDS FROM A GASEOUS EFFLUENT WITH AN ABSORBENT SOLUTION BASED ON I, II/III DIAMINES  
The invention relates to the removal of acid compounds from a gaseous effluent in an absorption method using an aqueous solution containing one or more diamines whose two amine functions are not...
US20110150730 CARBON DIOXIDE SORBENTS  
Improved CO2 sorbents comprised of a mesoporous silica functionalized with a polyamine are obtained by the in-situ polymerization of azetidine. Also included herein are processes utilizing the...
US20140079613 CYCLIC-AMINE-COMPRISNG ABSORPTION MEDIUM FOR REMOVING ACID GASES  
An absorption medium for removing acid gases from a fluid stream comprises an aqueous solution of A) at least one cyclic amine compound having solely tertiary amine groups and/or sterically...
US20120063979 High CO2 to Amine Adsorption Capacity CO2 Scrubbing Processes  
A CO2 amine scrubbing process uses an absorbent mixture combination of an amine containing a primary amino group CO2 sorbent in combination with a non-nucleophilic relatively stronger base. The...
US20140356268 METHOD AND ABSORPTION MEDIUM FOR ABSORBING CO2 FROM A GAS MIXTURE  
The absorption of CO2 from a gas mixture by contacting the gas mixture with an absorption medium that comprises water and 5 to 50 wt % of amino acid salts of formula R1R2CHNHCH2COOK, in which R1...
US20130078171 CARBON DIOXIDE CAPTURE METHOD, WITH OPTIMIZED ACID WASH SECTION  
The carbon dioxide contained in combustion fumes is absorbed by an aqueous amine solution in section B1. The decarbonated fumes are then washed with water in wash section B3. In order to prevent...
US20130121903 NANOCLAY-BASED SOLID SORBENTS FOR CARBON DIOXIDE CAPTURE  
A nanoclay based solid sorbent is provided having a nanoclay with at least one surface, and at least one amine containing compound wherein the amine containing compound is attached to the surface,...

Matches 1 - 50 out of 242 1 2 3 4 5 >