Entries |
Document | Title | Date |
20090087366 | 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 H | 04-02-2009 |
20090130009 | METHOD OF REMOVING SULFUR COMPOUNDS FROM NATURAL GAS - All sulfur compounds can be efficiently removed from natural gas that contains hydrogen sulfide and other sulfur compounds such as mercaptan without using physical absorption. The process comprises an absorption step of treating natural gas by means of a chemical absorption method using an amine-containing solution to mainly remove hydrogen sulfide and carbon dioxide, an adsorption step of flowing the natural gas from the absorption step through a packed bed of a molecular sieve to mainly remove mercaptan, a recovery step of recovering sulfur compounds by converting the hydrogen sulfide removed in the absorption step into sulfur by means of the Claus process, a regeneration step of desorbing the mercaptan adsorbed on the molecular sieve in the adsorption step using heated gas and a reaction step of converting the mercaptan in the regeneration exhaust gas exhausted from the regeneration step into hydrogen sulfide. The reaction step is conducted by injecting steam or water at a ratio of H | 05-21-2009 |
20090202409 | Temperature controlled gas contactor device and method - This invention provides a method and process for the facile extraction of selected gases by means of a permeable membrane module, also known as a permeator, with effective and beneficial control of temperature the apparatus allowing temperature gradients or isothermal operation. | 08-13-2009 |
20090220400 | Gas adsorption and gas mixture separations using carborane-based MOF material - A method of separating a mixture of carbon dioxide and a hydrocarbon gas using a metal-organic framework (MOF) material having a three-dimensional carborane ligand structure. | 09-03-2009 |
20090263302 | Self-Concentrating Absorbent for Acid Gas Separation - An process for efficiently deacidizing a gaseous mixture is described. The process utilizes a self-concentrating absorbent that absorbs an acid gas at reduced overall energy costs for the deacidizing operation. | 10-22-2009 |
20090297414 | Hindered cyclic polyamines and their salts for acid gas scrubbing process - Hindered cyclic polyamines and their salts are absorbents useful in acid gas treatment processes. | 12-03-2009 |
20110070136 | PROMOTER ENHANCED CHILLED AMMONIA BASED SYSTEM AND METHOD FOR REMOVAL OF CO2 FROM FLUE GAS STREAM - A method and system for CO | 03-24-2011 |
20110076214 | 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 gas sequestration. Another aspect of the present invention relates to a class of solvents which can be transformed into RTILs by exposure to a gas, and methods of using them in connection with temporary or permanent gas sequestration. | 03-31-2011 |
20110110833 | METHOD AND APPARATUS FOR REMOVING ACID GASES FROM A NATURAL GAS STREAM - A method and apparatus for separating acid gas from a natural gas stream suitable for use on an offshore facility located on a platform or floating vessel are disclosed. The method includes the steps of: contacting the natural gas stream with a semi-lean amine solution in a static mixer to produce a rich amine solution, separating a first portion of carbon dioxide from the rich amine solution to produce the semi-lean amine solution, and heating a portion of the semi-lean amine solution to separate a second portion of carbon dioxide and produce the lean amine solution. The rich amine solution and semi-lean amine solution can be heated using recovered waste heat. | 05-12-2011 |
20110110834 | 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 degradation inhibiting agents defined by the general formula as follows: | 05-12-2011 |
20110116997 | IMROVED ALKANOLAMINES FOR CO2 REMOVAL FROM GAS STREAMS - A process for the capture of CO | 05-19-2011 |
20110135549 | ABSORPTION MEDIUM AND METHOD FOR REMOVING SOUR GASES FROM FLUID STREAMS, IN PARTICULAR FROM FLUE GASES - Absorption medium for acid gases comprising an oligoamine (A) of the general formula (I) | 06-09-2011 |
20110150730 | CARBON DIOXIDE SORBENTS - Improved CO | 06-23-2011 |
20110158873 | 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 gas emitted by an industrial plant and at least one gas absorber comprising nitrogen, for example ammonia or an amine, with a solid, including a second reactant, under conditions that promote a reaction between the first reactant and the second reactant to provide a first product, which incorporates one or more elements of the multi-element gas, thereby sequestering the multi-element gas. | 06-30-2011 |
20110165047 | SULFIDE SCAVENGING PROCESSES - Processes directed to the removal of sulfurous compounds from air are presented herein. The compositions and processes may be able to treat air with H | 07-07-2011 |
20110171093 | ACIDIC GAS REMOVAL BY AQUEOUS AMINE SOLVENTS - Compositions and methods related to the removal of acidic gas. In one embodiment, compositions and methods are provided for the removal of acidic gas from a gas mixture using an aqueous amine solvent comprising water, a first amine, and a second amine, wherein the first amine contributes at least 50% by weight of the solvent's total amine concentration. | 07-14-2011 |
20110176981 | 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 admixture with a primary or secondary amine meeting the general formula as follows: | 07-21-2011 |
20110195005 | PLANT AND PROCESS FOR REMOVING CARBON DIOXIDE FROM GAS STREAMS - The present invention is based on the realization that the carbon dioxide component of industrial gas streams also containing steam can be processed so to utilize either as latent and/or sensible heat the heat available from the steam component to assist in separating carbon dioxide from the remainder of the gas stream. For example, flue gases produced by power stations burning brown coal, black coal or natural gas inherently contain a useful amount of energy that can be harnessed according to the present invention. According to particular preferred forms of the invention, nitrogen and sulphur constituent such as SO | 08-11-2011 |
20110195006 | 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 concentration less than or equal to 500 parts per million (“ppm”) more preferably less than or equal to 400 ppm, and most preferably between about 100 ppm and 300 ppm as SiO | 08-11-2011 |
20110217218 | Systems and Methods for Acid Gas Removal - A method and system for the selective removal of CO | 09-08-2011 |
20110217219 | SCRUBBING SOLUTION CONSISTING OF AQUEOUS AMMONIA SOLUTION AMINES FOR THE SCRUBBING OF GAS AND USE OF SUCH SOLUTION - The invention relates to a process using a solvent combination for the gas scrubbing of industrial gases in order to separate acid gases, particularly including carbon dioxide and hydrogen sulphide. The inventive solvent combination consists of a solution of amines in water, said solution containing ammonia for improving the absorption of CO | 09-08-2011 |
20110223085 | CARBON DIOXIDE CAPTURE WITH IONIC LIQUID ELECTROSPRAY - A method for capturing carbon dioxide and/or sulfur dioxide from a gaseous mixture using ionic liquid electrospray is described. In the method, the gaseous mixture is exposed to an ionic liquid electrospray plume comprising nanodroplets of an ionic liquid and the carbon dioxide and/or sulfur dioxide present in the gaseous mixture is absorbed by the ionic liquid nanodroplets. The ionic liquid electrospray plume is formed by applying an electric field between an electrospray nozzle and a counter electrode. | 09-15-2011 |
20110223086 | AROMATIC AMINO COMPOUNDS FOR CARBON DIOXIDE AND SULFUR DIOXIDE REMOVAL - Described are aromatic amino compounds that are useful to methods of carbon dioxide and sulfur dioxide removal. | 09-15-2011 |
20110223087 | AMINO COMPOUNDS FOR CARBON DIOXIDE AND SULFUR DIOXIDE REMOVAL - Described are amino compounds that are useful to methods of carbon dioxide removal. | 09-15-2011 |
20110243821 | CARBON DIOXIDE REDUCTION - The invention provides a process for reducing carbon dioxide comprising the step of exposing the carbon dioxide to a silane in the presence of an N-heterocyclic carbene (NHC) or a carboxylate thereof or both, to produce a methylsilyl ether. | 10-06-2011 |
20110256043 | COMPOSITION FOR TREATING ACID GAS - This invention provides novel compositions comprising substituted polyamines as acid gas scrubbing solutions and methods of using the compositions in an industrial system. The invention relates to the use of such polyamine compounds in industrial processes to remove acidic contaminants from natural and industrial fluid streams, such as natural gas, combustion gas, natural gas, synthesis gas, biogas, and other industrial fluid streams. The compositions and methods of the invention are useful for removal, absorption, or sequestration of acidic contaminants and sulfide contaminants including CO | 10-20-2011 |
20110293498 | METHOD FOR TREATING A GAS TO REDUCE THE CARBON DIOXIDE CONTENT THEREOF - The invention relates to a method for reducing the CO | 12-01-2011 |
20110300044 | CORROSION INHIBITORS - Corrosion inhibitors and processes, uses, methods, compositions, devices, and apparatus involving corrosion inhibitors are disclosed. In certain embodiments the use of specific corrosion inhibitors, specific concentrations of inhibitors, blends of inhibitors, processes utilizing such inhibitors, and compositions comprising such inhibitors, for example in acid gas separation systems such as aqueous amine- or ammonia-based CO | 12-08-2011 |
20110305616 | CONFIGURATION OF CONTACTING ZONES IN VAPOR LIQUID CONTACTING APPARATUSES - Vapor-liquid contacting apparatuses comprising a primary contacting zone and a secondary contacting zone are disclosed. A representative secondary contacting zone is a secondary absorption zone, such as a finishing zone for subsequent contacting of the vapor effluent from the primary contacting zone to further remove impurities and achieve a desired purity of purified gas exiting the secondary absorption zone. The secondary contacting zone is disposed below the primary contacting zone, such that the secondary contacting zone, which must operate efficiently in removing generally trace amounts of remaining impurities, is more protected from movement than the more elevated, primary or initial contacting stages for bulk impurity removal. The apparatuses are therefore especially beneficial in offshore applications where they are subjected to rocking. | 12-15-2011 |
20120058032 | 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 swing, or a combination thereof. The sorbent may comprise a substrate having embedded positive ions and individually mobile negative ions wherein the positive ions are sufficiently spaced to prevent interactions between the negative ions. Where a thermal swing is used, heat may be conserved by employing a heat exchanger to transfer heat from the regenerated sorbent to an amount of sorbent that is loaded with the contaminant prior to regeneration. | 03-08-2012 |
20120063976 | 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: | 03-15-2012 |
20120063977 | IONIC LIQUIDS FOR REMOVAL OF CARBON DIOXIDE - Ionic liquids containing a cation with a potentially nucleophilic carbon atom bearing a relatively acidic hydrogen atom bonded to a potentially nucleophilic carbon atom, typically in the conjugated —NC(H)N— structure or a —NC(H)S— structure of imidazolium, imidazolidinium or thiazolium salts, can be capable of acting as sorbents for CO | 03-15-2012 |
20120063978 | IONIC LIQUIDS AS AMINE PROMOTER SOLVENTS FOR REMOVAL OF CARBON DIOXIDE - Ionic liquids are capable of acting as solvents for amine CO | 03-15-2012 |
20120063979 | High CO2 to Amine Adsorption Capacity CO2 Scrubbing Processes | 03-15-2012 |
20120070353 | 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 mixture with a porous metal-organic framework, where the framework adsorbs the at least one acidic gas and the framework comprises at least one at least bidentate organic compound coordinated to at least one metal ion, wherein the porous metal-organic framework is impregnated with an amine suitable for a gas scrub. The invention further provides such impregnated metal-organic frameworks. | 03-22-2012 |
20120076711 | AMINE CONTAINING FIBROUS STRUCTURE FOR ADSORPTION OF CO2 FROM ATMOSPHERIC AIR - A structure is disclosed containing a sorbent with amine groups that is capable of a reversible adsorption and desorption cycle for capturing CO | 03-29-2012 |
20120128561 | ACID GAS ABSORBENT COMPOSITION - This invention provides novel compositions comprising substituted polyamines as acid gas scrubbing solutions and methods of using the compositions in an industrial system. The invention relates to the use of such polyamine compounds in industrial processes to remove acidic contaminants from natural and industrial fluid streams, such as natural gas, combustion gas, natural gas, synthesis gas, biogas, and other industrial fluid streams. The compositions and methods of the invention are useful for removal, absorption, or sequestration of acidic contaminants and sulfide contaminants including CO | 05-24-2012 |
20120148466 | CARBON DIOXIDE ABSORBENT | 06-14-2012 |
20120164043 | 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 M | 06-28-2012 |
20120164044 | 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 M | 06-28-2012 |
20120164045 | Polyvinyl-Amine Acid Gas Adsorption-Desorption Polymers, Processes for Preparing Same, and Uses Thereof - This disclosure involves an adsorption-desorption material, e.g., crosslinked polyvinyl-amine material having an M | 06-28-2012 |
20120171094 | Aqueous solutions of amine functionalized ionic compounds for carbon capture processes - An aqueous ionic absorbent solution is disclosed containing (a) about 15 wt. % to about 80 wt. % of one or more diluents, based on the total weight of the aqueous ionic absorbent solution; and (b) an ionic absorbent containing a cation and an anion comprising an amine moiety. | 07-05-2012 |
20120171095 | LIQUID CARBON DIOXIDE ABSORBENTS, METHODS OF USING THE SAME, AND RELATED SYSTEMS - A carbon dioxide absorbent composition is described, including (i) a liquid, nonaqueous silicon-based material, functionalized with one or more groups that either reversibly react with CO | 07-05-2012 |
20120207659 | METHODS AND SYSTEMS FOR CO2 SEPARATION - A method for separating carbon dioxide (CO | 08-16-2012 |
20120219482 | SYSTEMS AND PROCESSES FOR REMOVING VOLATILE DEGRADATION PRODUCTS PRODUCED IN GAS PURIFICATION - Systems and process for volatile degradation removal from amine plant wash water are provided. The systems and processes include a separation device disposed within a water circulation loop and configured to continuously remove at least a portion of the volatile degradation products from the wash solutions. The separation device can be configured for stripping, distillation, and/or extraction of the volatile degradation products from at least a fraction of the spent wash water. Optionally, a chemical agent can be reacted with the volatile degradation products to form heat stable salts for subsequent removal. | 08-30-2012 |
20120251420 | REMOVAL OF CO<sb>2</sb> FROM GASES HAVING LOW CO<sb>2</sb> PARTIAL PRESSURES, USING 2,2'-(ETHYLENEDIOXY)-BIS-(ETHYLAMINE) (EDEA) - A method of removing acid gases from a fluid flow, using an absorption agent comprising an aqueous solution of 2,2′-(ethylenedioxy)-bis-(ethylamine). | 10-04-2012 |
20120269707 | USE OF 2-(3-AMINOPROPOXY)ETHAN-1-OL AS AN ABSORBENT TO REMOVE ACIDIC GASES - The present disclosure provides a scrubbing composition containing an aqueous solution of 2-(3-aminopropoxy)ethan-1-ol. The scrubbing composition is especially suited for use in removing acid gases, such as carbon dioxide and hydrogen sulfide, from gas streams. | 10-25-2012 |
20120282160 | CARBON DIOXIDE AND HYDROGEN SULFIDE ABSORBENTS AND PROCESS FOR THEIR USE - A process for capturing at least one of H | 11-08-2012 |
20120308456 | Selective Sulfur Removal Process - A cyclic process for selectively separating hydrogen sulfide from a gas mixture including CO | 12-06-2012 |
20120308457 | 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 a method for removing carbon dioxide using same. By adding sterically hindered cyclic amines to an alkali carbonate material, the rate of carbon dioxide absorption is increased, renewable energy is reduced, and salt production and phase separation do not occur. | 12-06-2012 |
20120308458 | CO2 ABSORPTION FROM GAS MIXTURES USING AN AQUEOUS SOLUTION OF 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINE | 12-06-2012 |
20120328501 | AIR POLLUTION CONTROL SYSTEM AND AIR POLLUTION CONTROL METHOD - An air pollution control system includes a desulfurization apparatus | 12-27-2012 |
20130004393 | Synergistic Method for Enhanced H2S/Mercaptan Scavenging - The use of a dialdehyde (e.g. glyoxal) and a nitrogen-containing scavenger (e.g. a triazine) when injected separately in media containing hydrogen sulfide (H | 01-03-2013 |
20130011314 | 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 connected to each other by rings and whose amine function in the α position is always tertiary and the amine function in the ω position is always either primary or secondary, more or less sterically hindered, and with have the general formula (I) as follows: | 01-10-2013 |
20130058853 | HYBRID PARALLEL / SERIAL PROCESS FOR CARBON DIOXIDE CAPTURE FROM COMBUSTION EXHAUST GAS USING A SWEEP-BASED MEMBRANE SEPARATION STEP - A gas separation process for treating an exhaust gas stream from a combustion processes. The invention involves routing a first portion of the exhaust stream to a carbon dioxide capture step, and flowing a second portion of the exhaust stream and at least a portion of an off-gas stream from the carbon dioxide capture step across the feed side of a membrane, while flowing a sweep gas stream, usually air, across the permeate side, and then passing the resulting permeate sweep stream back to the combustor. | 03-07-2013 |
20130071309 | SEPARATION OF GASES - Aspects of the disclosure relate to the separation of gases and to a process for the removal of carbon dioxide gas using liquid absorbents. | 03-21-2013 |
20130078172 | Layered Solid Sorbents For Carbon Dioxide Capture - A solid sorbent for the capture and the transport of carbon dioxide gas is provided having at least one first layer of a positively charged material that is polyethylenimine or poly(allylamine hydrochloride), that captures at least a portion of the gas, and at least one second layer of a negatively charged material that is polystyrenesulfonate or poly(acryclic acid), that transports the gas, wherein the second layer of material is in juxtaposition to, attached to, or crosslinked with the first layer for forming at least one bilayer, and a solid substrate support having a porous surface, wherein one or more of the bilayers is/are deposited on the surface of and/or within the solid substrate. A method of preparing and using the solid sorbent is provided. | 03-28-2013 |
20130121903 | 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, as well as a method of making it. A method of capturing carbon dioxide gas is disclosed includes passing a gas from an effluent process stream containing carbon dioxide through the nanoclay based solid sorbent and capturing the carbon dioxide gas on the surface and within the nanoclay based solid sorbent. The nanoclay based solid sorbent having the captured carbon dioxide gas is regenerated by undergoing one or more cycles of desorption of the captured carbon dioxide gas from the nanoclay. The regenerated nanoclay based solid sorbent may then be reused. | 05-16-2013 |
20130136681 | SOLVENT LOADING SYSTEM - Embodiments relate to methods and systems for loading a liquid solvent with a gas. Upon spraying the solvent into contact with the gas, droplets of the solvent absorb the gas and coalesce as a partial loaded solution. The solution then passes along at least one wetted wall column disposed in contact with the gas for further loading of the solvent. One exemplary application utilizes an amine as the solvent to be loaded with the gas, such as carbon dioxide. | 05-30-2013 |
20130142717 | OFFSHORE GAS SEPARATION PROCESS - A process for the selective absorption of normally gaseous acid components from hydrocarbon gas mixtures containing both the acidic components and gaseous non-acidic components which is carried out in a gas separation unit located at an offshore marine production installation. The sorbent used in the process comprises a severely sterically hindered amino ether. The process is capable of selectively removing H | 06-06-2013 |
20130164203 | CO2 RECOVERY SYSTEM AND CO2 RECOVERY METHOD | 06-27-2013 |
20130189174 | CO2 RECOVERY APPARATUS AND CO2 RECOVERY METHOD - Provided are a CO | 07-25-2013 |
20130189175 | POROUS POLYMER MATERIAL - The present disclosure relates to a polymer material comprising mesopores extending between melamine-formaldehyde co-polymer nano-particles and wherein micropores extend within the co-polymer nano-particles, methods of producing the same and uses thereof. | 07-25-2013 |
20130230442 | METHOD AND APPARATUS FOR COLLECTING CARBON DIOXIDE FROM FLUE GAS - A method for collecting carbon dioxide from flue gas. The method includes: 1) mixing an aqueous solution of sodium carbonate with an amino alcohol activator to yield a CO | 09-05-2013 |
20130243676 | AMINE TREATING PROCESS FOR ACID GAS SEPARATION USING BLENDS OF AMINES AND ALKYLOXYAMINES - A process for absorbing H | 09-19-2013 |
20130243677 | AMINE TREATING PROCESS FOR SELECTIVE ACID GAS SEPARATION - A process for the selective separation of hydrogen sulfide from gas mixtures containing carbon dioxide as well as other acidic gases uses severely sterically hindered amino alcohol absorbents based on amino alcohols and ethers containing secondary nitrogen atoms hindered by an alpha tertiary carbon atom. Preferred absorbents include 2-(N-methylamino)-2-methylpropan-1-ol, (2-(N-ethylamino))-2-methylpropan-1-ol, (2-(N-isopropylamino)-2-methylpropan-1-ol, SBAE (2-(N-sec-butylamino)-2-methylpropan-1-ol) and (2-(N-t-butylamino)-2-methylpropan-1-ol. | 09-19-2013 |
20130259784 | METHOD AND SYSTEM FOR LOW ENERGY CARBON DIOXIDE REMOVAL - A system and method for removing carbon dioxide from a gas stream. One aspect of the method includes introducing a carbon dioxide containing gas stream to an absorber; contacting the gas stream with an amine-containing solvent; absorbing, with the amine-containing solvent, the carbon dioxide from the gas stream, thereby removing the carbon dioxide from the gas stream; and forming a precipitate with the amine-containing solvent and the carbon dioxide. | 10-03-2013 |
20130287661 | 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 optimizing the compositions to increase the stability of the sorbents for prolonged use as carbon dioxide capture matrices. | 10-31-2013 |
20130287662 | 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 reduce the heat required to desorb the compound from the solid sorbent. A method of inhibiting degradation of an immobilized amine in an immobilized amine solid sorbent. Compositions and methods of use of a low-cost regenerable immobilized amine solid sorbent resistant to degradation. | 10-31-2013 |
20130294991 | 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 can be poly(ethyleneimine) (PEI), the porous material a framework of silica nanoparticles, and the heteroatoms selected from Zr, Ti, Fe, Ce, Al, B, Ga, Co, Ca, P, and Ni. The media has a CO | 11-07-2013 |
20130315809 | METHOD OF CONTROLLING CO2 CHEMICAL ABSORPTION SYSTEM - In a system of absorbing CO | 11-28-2013 |
20130323148 | 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 method includes the steps of contacting the exhaust gas with a lean amino-silicone absorbent in an absorber, with the absorbent being sufficient in amount and concentration to react with a substantial portion of the carbon dioxide present in the exhaust gas; forming a liquid/solids slurry comprising unreacted amino-silicone absorbent and solid carbamates resulting from the reaction of the absorbent with carbon dioxide; heating the slurry in a desorber to a temperature sufficient to effectively strip the carbon dioxide from the carbamates; regenerating lean amino-silicone absorbent as a recycle stream back to the absorber; and sequestering the desorbed carbon dioxide gas. | 12-05-2013 |
20140030177 | HIGH CYCLIC CAPACITY AMINES FOR HIGH EFFICIENCY CO2 SCRUBBING PROCESSES - A high cyclic capacity carbon dioxide scrubbing process contacts a gas stream containing carbon dioxide in a sorption zone with a liquid scrubbing solution of a low molecular weight sterically hindered amine, particularly a secondary alkanolamine or aminoether at a high concentration, typically at least 3.5M and at a temperature of at least 30° C. to sorb the carbon dioxide into the solution and form a rich stream of the sorbed carbon dioxide in the solution in the form of dissolved amine carbamate and/or alkanolamine bicarbonate. The rich stream is then passed from the sorption zone to at least one regeneration zone and the sorbed carbon dioxide is desorbed as gas from the solution to form a lean solution containing a reduced concentration of sorbed carbon dioxide relative to the rich stream; the lean stream is then returned to the sorption zone for a further sorption cycle. | 01-30-2014 |
20140056791 | METHOD AND SYSTEM FOR CO2 CAPTURE FROM A STREAM AND SOLVENTS USED THEREIN - A solvent solution for capture of CO | 02-27-2014 |
20140056792 | ABSORBENT, CO2 OR H2S REDUCING APPARATUS, AND CO2 OR H2S REDUCING METHOD USING ABSORBENT - An absorbent according to the present invention absorbs CO | 02-27-2014 |
20140079612 | 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 CO | 03-20-2014 |
20140079613 | 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 hindered secondary amine groups and B) at least one cyclic amine compound having at least one sterically unhindered secondary amine group. The absorption medium comprises, e.g., an aqueous solution of A) 1-hydroxyethylpiperidine and/or triethylenediamine and B) piperazine. The absorption medium is particularly suitable for separating off carbon dioxide from flue gases and satisfies the following criteria: (i) sufficient capacity at low CO | 03-20-2014 |
20140105801 | METHOD FOR ABSORPTION OF CO2 FROM A GAS MIXTURE - A method of absorbing CO | 04-17-2014 |
20140112856 | METHOD AND SYSTEM TO THERMALLY REGENERATE A SORBENT - The present disclosure is directed to a high temperature method to adsorb carbon dioxide onto an ion-exchange resin and/or regenerate the carbon dioxide-loaded ion-exchange resins. | 04-24-2014 |
20140120015 | DESORPTION VIA A TRANSPORTING DESORPTION UNIT FOR THE RECOVERY OF CO2 FROM A GAS STREAM AND A RELATED APPARATUS - A method for recovering carbon dioxide (CO | 05-01-2014 |
20140120016 | METHOD FOR ABSORPTION OF CO2 FROM A GAS MIXTURE - A method of absorbing CO | 05-01-2014 |
20140127103 | GAS CAPTURE PROCESS - A process for the capture of CO | 05-08-2014 |
20140127104 | Layered Solid Sorbents For Carbon Dioxide Capture - A solid sorbent for the capture and the transport of carbon dioxide gas is provided having at least one first layer of a positively charged material that is polyethylenimine or poly(allylamine hydrochloride), that captures at least a portion of the gas, and at least one second layer of a negatively charged material that is polystyrenesulfonate or poly(acryclic acid), that transports the gas, wherein the second layer of material is in juxtaposition to, attached to, or crosslinked with the first layer for forming at least one bilayer, and a solid substrate support having a porous surface, wherein one or more of the bilayers is/are deposited on the surface of and/or within the solid substrate. A method of preparing and using the solid sorbent is provided. | 05-08-2014 |
20140127105 | CARBON DIOXIDE ABSORBENT AND METHOD OF USING THE SAME - In accordance with one aspect, the present invention provides a composition which contains the amino-siloxane structures I, or III, as described herein. The composition is useful for the capture of carbon dioxide from process streams. In addition, the present invention provides methods of preparing the amino-siloxane composition. Another aspect of the present invention provides methods for reducing the amount of carbon dioxide in a process stream employing the amino-siloxane compositions of the invention, as species which react with carbon dioxide to form an adduct with carbon dioxide. | 05-08-2014 |
20140134088 | 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 CO | 05-15-2014 |
20140154161 | METHOD AND APPARATUS FOR HYDROGEN SULPHIDE REMOVAL - A compact treatment apparatus and methodology is provided for scavenging at least H | 06-05-2014 |
20140161697 | SEPARATION OF CO2 AND H2S USING SUPPORTED AMINES - Methods are provided for removing CO | 06-12-2014 |
20140161698 | SYSTEM AND METHOD FOR PROCESSING RECIRCULATION AIR - A system for processing recirculation air discharged from an aircraft cabin comprising a recirculation air supply line which is connectable to the aircraft cabin so as to allow a flow of recirculation air discharged from the aircraft cabin therethrough. An absorber is connected to the recirculation air supply line and is adapted to remove CO | 06-12-2014 |
20140178278 | CO2 CAPTURE VIA AMINE-CO2 PRODUCT PHASE SEPARATION - Systems and methods are provided for performing CO | 06-26-2014 |
20140178279 | AMINE ABSORBENT AND A METHOD FOR CO2 CAPTURE - A liquid, aqueous CO | 06-26-2014 |
20140186246 | REVERSIBLE CO2 FIXATION VIA SELF-ASSEMBLED SILOXANES - Methods are provided for synthesizing novel types of self-assembled siloxanes, such as polysiloxanes, with a sufficiently high density of amine functional groups to be useful for CO | 07-03-2014 |
20140199220 | 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 the accumulated concentration of nitrosamines. | 07-17-2014 |
20140205525 | AMINE PROMOTION FOR CO2 CAPTURE - Promoter amines are used to enhance CO | 07-24-2014 |
20140219899 | 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 including a first amount of carbon dioxide to a primary scrubber; (b) in the primary scrubber, removing a portion of the first amount of carbon dioxide thereby forming a second substantially gaseous stream including a second amount of carbon dioxide; (c) directing the second substantially gaseous stream to a secondary scrubber; (d) in the secondary scrubber, removing a portion of the second amount of carbon dioxide thereby forming a third substantially gaseous stream; (e) mixing substantially all of the portion of the second amount of carbon dioxide removed in step (d) with the first substantially gaseous stream before it enters the primary scrubber; and (f) repeating steps (a) thru (e). | 08-07-2014 |
20140234191 | AMINOPYRIDINE DERIVATIVES FOR REMOVAL OF HYDROGEN SULFIDE FROM A GAS MIXTURE - The present invention relates to a novel class of aminopyridine derivatives with the general formula: wherein R | 08-21-2014 |
20140234192 | THREE-COMPONENT ABSORBENT, AND DEVICE AND METHOD FOR REMOVING CO2 AND/OR H2S - 1) A first amine, which is a straight chain secondary monoamine, 2) a second amine, which is a cyclic secondary polyamine as a reaction accelerator, and 3) a third amine, which is an amine consisting of one selected from a cyclic amine group constituted from a secondary or tertiary amino group or a straight chain amine group with high steric hindrance are mixed to obtain an absorbent. By the synergistic effect thereof, absorption properties to CO | 08-21-2014 |
20140241966 | SUPPORTED POLY(ALLYL)AMINE AND DERIVATIVES FOR CO2 CAPTURE FROM FLUE GAS OR ULTRA-DILUTE GAS STREAMS SUCH AS AMBIENT AIR OR ADMIXTURES THEREOF - Supported amine polymer adsorbents based on polymers containing only or primarily primary amines sites are to be used as regenerable adsorbents for CO | 08-28-2014 |
20140241967 | CARBON DIOXIDE CAPTURING APPARATUS, CARBON DIOXIDE CAPTURING METHOD, AND AMINE COMPOUND CAPTURING METHOD - In accordance with an embodiment, a carbon dioxide capturing apparatus includes a first absorbing unit, a regeneration unit, a water washing capturing unit, and a pre-amine capturing unit. The first absorbing unit brings a gas containing carbon dioxide into contact with an absorbing liquid containing an amine compound, and discharges the absorbing liquid which has absorbed carbon dioxide as a rich liquid. The regeneration unit releases a carbon dioxide gas from the rich liquid sent from the first absorbing unit. The water washing capturing unit captures the amine compound entrained in a decarbonated treatment gas sent from the first absorbing unit. The pre-amine capturing unit receives part of the rich liquid from the first absorbing unit, and traps the amine compound entrained in the decarbonated treatment gas by bringing the decarbonated treatment gas from the first absorbing unit into countercurrent contact with the part of the rich liquid. | 08-28-2014 |
20140241968 | METHOD FOR UPGRADING A GAS - The invention relates to a method for upgrading a gas by separation of carbon dioxide therefrom, which method comprises the steps of introducing a stream of gas to a wet bed of ion exchange resin, and desorbing the adsorbed carbon dioxide from the resin by increasing the temperature and/or lowering the pressure in said wet bed. | 08-28-2014 |
20140294709 | ALKYLAMINE FUNCTIONALIZED METAL-ORGANIC FRAMEWORKS FOR COMPOSITE GAS SEPARATIONS - Functionalized metal-organic framework adsorbents with ligands containing basic nitrogen groups such as alkylamines and alkyldiamines appended to the metal centers and method of isolating carbon dioxide from a stream of combined gases and carbon dioxide partial pressures below approximately 1 and 1000 mbar. The adsorption material has an isosteric heat of carbon dioxide adsorption of greater than −60 kJ/mol at zero coverage using a dual-site Langmuir model. | 10-02-2014 |
20140301929 | METHOD AND APPARATUS FOR COLLECTING CARBON DIOXIDE FROM FLUE GAS - A method for collecting carbon dioxide from flue gas of a power plant. The method includes: 1) mixing an organic amine, an ionic liquid, and water to obtain an aqueous solution of a composite absorbent; 2) spraying the aqueous solution of the composite absorbent into the flue gas to allow the flue gas flowing upwardly to fully contact with the downwardly sprayed aqueous solution of the composite absorbent and to allow CO | 10-09-2014 |
20140301930 | 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 etheric function and belong to the 3-alkoxypropylamine family having general formula (A). The method for removing the acidic compounds contained in a gas effluent involves placing a gas effluent | 10-09-2014 |
20140322115 | Method and an Apparatus for the Absorption of Carbon Dioxide - The invention relates to a method of performing a carbon dioxide absorption with reduced risk of aerosol formation from a carbon dioxide containing stream in an absorption apparatus having a specific sequence of sections and wherein the method comprises specific steps. Another aspect of the invention relates to a use of a structured packing as part of a carbon dioxide absorption section in an apparatus for the absorption of carbon dioxide, characterized in that the use is in reducing the risk of aerosol formation in a top region of the carbon dioxide-absorption section. Yet another aspect of the invention is a use of an absorption apparatus comprising a specific sequence of sections, wherein the use is for avoiding a super-saturation of a solvent and water and a risk of aerosol formation. | 10-30-2014 |
20140335002 | SEPARATING CARBON DIOXIDE AND HYDROGEN SULFIDE FROM A NATURAL GAS STREAM USING CO-CURRENT CONTACTING SYSTEMS - Systems and methods for separating CO | 11-13-2014 |
20140335003 | CARBON DIOXIDE RECOVERY SYSTEM AND OPERATING METHOD THEREOF - A carbon dioxide recovery system includes an absorption tower in which carbon dioxide is absorbed into an absorbing solution then the absorbing solution is output to a regeneration tower in which carbon dioxide is released from the absorbing solution. The regeneration tower outputs the absorbing solution from which carbon dioxide has been released and an exhaust gas included released carbon dioxide and water vapor. In a condensing section the exhaust gas is separated into dioxide gas stream and a condensed water stream. In a mixing section the condensed water is mixed with an amine to a replenishment amine aqueous solution in which the amine is dissolved in the condensed water. In a replenishment section the absorbing solution is mixed with the replenishment amine aqueous solution. | 11-13-2014 |
20140356268 | METHOD AND ABSORPTION MEDIUM FOR ABSORBING CO2 FROM A GAS MIXTURE - The absorption of CO | 12-04-2014 |
20140369914 | ACIDIC GAS COLLECTION SYSTEM - A gas collection method comprises contacting a gas mixture including a weak acidic gas and a strong acidic gas with amine solution that absorbs a first portion of the gas mixture. After this first contacting step the gas mixture is contacted with amine solution that absorbs a second portion of the mixture. The amine solution after the second contacting step is heated to discharge at least some portion of the weak acid gas component absorbed therein. The method also includes adding an alkaline compound to the amine solution to generate a salt by reaction with the strong acidic component. The salt is separated from the amine solution and this amine solution can be used in the second contacting step. | 12-18-2014 |
20140377156 | Selectively CO2-Permeable Membrane, Method for Separating CO2 from Mixed Gas, and Membrane Separation Equipment - Disclosed is a CO | 12-25-2014 |
20150030516 | SYSTEM FOR CHEMICALLY ABSORBING CARBON DIOXIDE IN COMBUSTION EXHAUST GAS - A carbon dioxide (CO | 01-29-2015 |
20150056114 | 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 overcome issues of high recycling energy and low absorptivity of a conventional carbon dioxide absorbent to considerably reduce recycling energy and absorb a greater amount of carbon dioxide per unit absorbent, so that a size of a carbon dioxide absorption tower may be reduced and a less amount of recycling energy may be used, contributing to a substantial decrease in device manufacture costs and management costs. | 02-26-2015 |
20150056115 | 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 (CO | 02-26-2015 |
20150071840 | CARBON CAPTURE SOLVENTS AND METHODS FOR USING SUCH SOLVENTS - A solvent for recovery of carbon dioxide from gaseous mixture having at least amine, and at least one salt of an amino carboxylic acid or amino sulfonic acids. One specific solvent contains less than about 75% by weight of water and has a single liquid phase. | 03-12-2015 |
20150078977 | AMINE SCRUBBING SOLUTION FOR ABSORPTION OF CARBON DIOXIDE, WITH OXIDATION INHIBITORS - A method is provided for separating carbon dioxide from a flue gas of an incineration system, wherein bicin and/or EDTA is mixed as an oxidation inhibitor into a scrubbing solution with an amine-containing absorption agent, the flue gas is brought into contact with the scrubbing solution prepared in such a manner for absorption of the carbon dioxide contained therein, and the scrubbing solution is then thermally treated, the carbon dioxide being desorbed thereby. A corresponding scrubbing solution comprising an amine-containing absorption agent and comprising bicin and/or EDTA as an oxidation inhibitor is also provided. | 03-19-2015 |
20150093314 | ABSORBENT COMPOSITION FOR THE SELECTIVE ABSORTPTION OF HYDROGEN SULFIDE AND PROCESS OF USE THEREOF - An absorbent composition that is useful in the selective removal of hydrogen sulfide relative to carbon dioxide from gaseous mixtures that comprise both hydrogen sulfide and carbon dioxide and the use thereof. The absorbent composition includes an aqueous solvent that comprises an amine mixture, comprising an amination reaction product of tert-butylamine and a polydispersed polyethylene glycol mixture, and water with a concentration of an added strong acid to inhibit phase separation of the aqueous solvent. The operation of certain gas absorption processes can be improved by the use of the absorbent composition. | 04-02-2015 |
20150104366 | AMINO-SILOXANE COMPOSITION AND METHODS OF USING THE SAME - An amino-siloxane composition is presented. The amino-siloxane composition includes structure (I): | 04-16-2015 |
20150110695 | AQUEOUS ALKANOLAMINE COMPOSITION AND PROCESS FOR THE REMOVAL OF ACID GASES FROM GASEOUS MIXTURES - The present invention relates to an aqueous alkanolamine solution for the removal of hydrogen sulfide from gaseous mixtures. The aqueous alkanolamine solution comprises (i) an amino compound with the formula: R | 04-23-2015 |
20150118136 | 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 (K | 04-30-2015 |
20150125372 | COMPOSITIONS AND METHODS FOR GAS CAPTURE PROCESSES - Compositions comprising an organic salt, an amine and water are described herein. The methods of using the compositions include the removal of an acid gas from a gas mixture. | 05-07-2015 |
20150125373 | METHOD FOR ABSORBING CO2 FROM A GAS MIXTURE - In a method of absorbing CO | 05-07-2015 |
20150139877 | PROCESS FOR PURIFYING GASEOUS MIXTURES CONTAINING ACIDIC GASES - A process is disclosed for purifying a gaseous mixture containing acidic gases, such as a natural gas, including contacting the gaseous mixture with an absorbent solution including:
| 05-21-2015 |
20150139878 | CO2 RECOVERY DEVICE AND CO2 RECOVERY METHOD | 05-21-2015 |
20150139879 | 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 circulating between a first absorber and a regenerator, and a second absorber and the same regenerator. The present invention advantageously applies for example to CO | 05-21-2015 |
20150147252 | METHOD FOR REGENERATING CARBON DIOXIDE ABSORBING LIQUID IN CARBON DIOXIDE RECOVERY METHOD - In a carbon dioxide recovery method including a carbon dioxide absorption step of bringing a gas to be treated containing carbon dioxide into contact with a carbon dioxide absorbing liquid, thereby removing carbon dioxide from the gas to be treated, and a regeneration step of removing carbon dioxide from a rich solution that has absorbed carbon dioxide in the carbon dioxide absorption step, thereby achieving regeneration, the rich solution that has absorbed carbon dioxide is guided in liquid form to a membrane separation apparatus ( | 05-28-2015 |
20150147253 | WASHING SOLUTION FOR THE ABSORPTION OF CARBON DIOXIDE WITH REDUCED FORMATION OF NITROSAMINES - A washing solution for the absorption of carbon dioxide is provided. A method for separating carbon dioxide out of a flue gas of an incineration plant is also provided, wherein at least one alkali metal oxide is added as an oxidation agent for nitrites to a washing solution having an amine-containing absorption agent, the flue gas is brought into contact with the washing solution prepared in this manner and the contained carbon dioxide is absorbed, and wherein the washing solution is then heat-treated and the carbon dioxide is desorbed. A corresponding washing solution having an amine-containing absorption agent and having at least one alkali metal oxide as an oxidation agent for nitrites is also provided. | 05-28-2015 |
20150298054 | CARBON DIOXIDE RECOVERY APPARATUS AND CARBON DIOXIDE RECOVERY METHOD | 10-22-2015 |
20150306538 | AN AQUEOUS CO2 ABSORBENT COMPRISING 2-AMINO-2-METHYL-1-PROPANOL AND 3-AMINOPROPANOL OR 2-AMINO-2-METHYL-1-PROPANOL AND 4-AMINOBUTANOL - An aqueous CO2 absorbent comprising a combination of 2-amino-2-methyl-1-propanol (AMP) and 3-aminopropanol (AP), or AMP and 4-aminobutanol (AB), is described. A method for capturing CO2 from a CO2 containing gas using the mentioned absorbent, and the use of a combination of AMP and AP, or a combination of AMP and AB are also described. | 10-29-2015 |
20150306542 | 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 a weight average molecular weight of from about 500 to about 1×10 | 10-29-2015 |
20150314230 | ABSORBENT SOLUTION BASED ON AMINES BELONGING TO THE N-ALKYLHYDROXYPIPERIDINE FAMILY AND METHOD FOR REMOVING ACID COMPOUNDS FROM A GASEOUS EFFLUENT WITH SUCH A SOLUTION - The invention relates to an absorbent solution comprising water and at least one amine belonging to the N-alkyl-hydroxypiperidine family and to a method implementing this solution for removing acid compounds contained in a gaseous effluent. | 11-05-2015 |
20150328581 | REGENERABLE SOLVENT MIXTURES FOR ACID-GAS SEPARATION - A solvent system for the removal of acid gases from mixed gas streams is provided. Also provided is a process for removing acid gases from mixed gas streams using the disclosed solvent systems. The solvent systems may be utilized within a gas processing system. | 11-19-2015 |
20150338098 | SYSTEM AND METHOD FOR INTEGRATED CARBON DIOXIDE GAS SEPARATION FROM COMBUSTION GASES - An integrated fuel combustion system with gas separation (adsorptive, absorptive, membrane or other suitable gas separation) separates a portion of carbon dioxide from a combustion gas mixture and provides for recycle of separated carbon dioxide to the intake of a fuel combustor for combustion. A process for carbon dioxide separation and recycle includes: admitting combustion gas to an adsorptive gas separation system contactor containing adsorbent material; adsorbing a portion of carbon dioxide; recovering a first product stream depleted in carbon dioxide for release or use; desorbing carbon dioxide from the adsorbent material and recovering a desorbed second product stream enriched in carbon dioxide for sequestration or use; admitting a conditioning and/or desorption fluid into the contactor and desorbing a second portion of carbon dioxide to recover a carbon dioxide enriched conditioning stream; and recycling a portion of the carbon dioxide enriched conditioning stream to an inlet of fuel combustor to pass through the fuel combustor for combustion. | 11-26-2015 |
20150343369 | PROCESS FOR RECOVERING CARBON DIOXIDE FROM CONSTRUCTION EXHAUST GAS - In a chemical plant | 12-03-2015 |
20150367281 | ABSORBENT SOLUTION FOR ABSORPTION OF ACID GAS AND PROCESS FOR ABSORPTION OF ACID GAS - An aqueous composition and process for absorbing a target acidic gas from a gas stream rich in the target acidic gas, the aqueous composition comprising at least one absorbent compound comprising benzylamine and/or substituted benzylamine dissolved in the aqueous composition, wherein the aqueous composition comprises a co-solvent which reduces the vapour pressure of the absorbent compound in aqueous solution. | 12-24-2015 |
20160001220 | LIQUID FOR ABSORBING AND COLLECTING CARBON DIOXIDE IN GAS, AND METHOD FOR COLLECTING CARBON DIOXIDE WITH USE OF SAME - Disclosed are a liquid for absorbing and recovering carbon dioxide from a carbon dioxide-containing gas, and a method for absorbing and recovering carbon dioxide using the liquid. The liquid comprises a secondary amine compound (A) represented by Formula (1) R—NH—(CH | 01-07-2016 |
20160001223 | RECOVERY METHOD AND RECOVERY APPARATUS OF CARBON DIOXIDE - The carbon dioxide recovery method and apparatus are capable of reducing regeneration energy and operating cost, and structurally advantageous. An absorber has first and second absorbing sections where a gas is supplied through the first absorbing section to the second absorbing section. A regenerator has first and second regenerating sections. The first regenerating section has an external heater and the second regenerating section is heated by the gas discharged from the first regeneration section. The absorbing liquid circulates between the second absorbing section and the first regenerating section in a circulation system, and a branch system allows a part of the absorbing liquid to flows from the second absorbing section through the first absorbing section and the second regenerating section successively to the first regenerating section. The recovery gas discharged is compressed, and its heat is recovered and supplied to the regenerator by heat exchange with the absorbing liquid. | 01-07-2016 |
20160016111 | Systems and Methods for CO2 Removal From Flue Gas By Temperature Swing Absorption - The present disclosure provides improved systems, assemblies and methods to remove and recover CO | 01-21-2016 |
20160016112 | AQUEOUS SOLUTIONS OF AMINE FUNCTIONALIZED IONIC COMPOUNDS FOR CARBON CAPTURE PROCESSES - An aqueous ionic absorbent solution is disclosed containing (a) about 15 wt. % to about 80 wt. % of one or more diluents, based on the total weight of the aqueous ionic absorbent solution; and (b) an ionic absorbent containing a cation and an anion comprising an amine moiety. | 01-21-2016 |
20160030881 | PROCESS FOR CAPTURING CO2 FROM A CO2-CONTAINING GAS STREAM USING A THERMORESPONSIVE COPOLYMER - A process capturing CO | 02-04-2016 |
20160030916 | METHOD OF SCAVENGING HYDROGEN SULFIDE AND MERCAPTANS USING WELL TREATMENT COMPOSITES - Hydrogen sulfide and mercaptans may be removed from a fluid or gaseous stream by introducing a composite to the fluid or gaseous stream containing a hydrogen sulfide scavenger adsorbed onto a water-insoluble adsorbent. | 02-04-2016 |
20160082386 | CARBON DIOXIDE SEPARATION AND CAPTURE APPARATUS AND METHOD OF CONTROLLING OPERATION OF CARBON DIOXIDE SEPARATION AND CAPTURE APPARATUS - In a carbon dioxide separation and capture apparatus according to an embodiment, a control device calculates a flow rate range of a carbon dioxide gas based on the concentration of the carbon dioxide gas and an output range of a blower. The control device determines a flow rate of the carbon dioxide gas in which the sum of energy is the least based on relationships, corresponding to a preset target amount of carbon dioxide gas to be captured, between a flow rate of the carbon dioxide gas, and sum of energy obtained by summing the amount of heat to be supplied by a heating medium from the external, power of the blower and power of a pump. The control device controls output of the blower, an opening degree of the first flow rate control valve, and an opening degree of the second flow rate control valve. | 03-24-2016 |
20160101385 | CARBON DIOXIDE ABSORBENT AND METHOD FOR ABSORBING AND DESORBING CARBON DIOXIDE - A carbon dioxide absorbent is disclosed. The absorbent comprises organic amine, amino acid, and water, wherein said organic amine comprises tertiary amine and primary amine and/or secondary amine; and wherein amino acid is excess based on a stoichiometrical ratio of organic amine to amino acid in a reaction. A method for absorbing and desorbing carbon dioxide is further disclosed. In the absorbent system provided by the present disclosure, the conversion between primary (secondary) amine and (secondary) tertiary amine can be realized under the catalytic effect of amino acid with the changing of temperature, and carbon dioxide can be absorbed and desorbed effectively under a relatively low temperature. | 04-14-2016 |
20160114285 | METHOD FOR PURIFYING GAS USING LIQUID MARBLES - The invention relates to methods for purifying gas, and in particular, to such methods using liquid marbles. The liquid in the liquid marbles is comprised of a material or mixture of materials that selectively removes unwanted gaseous component in the gas to be purified. | 04-28-2016 |
20160114286 | ABSORBENT FOR ACIDIC GAS SEPARATION AND METHOD FOR ACIDIC GAS SEPARATION - Disclosed are an absorbent for acidic gas separation that include: an amount of about 1 wt % to 17.5 wt % of alkali-carbonate based on the total weight of the absorbent; an amount of about 1 wt % to 5.5 wt % of a heterocyclic amine compound based on the total weight of the absorbent; 1 wt % to 8 wt % of an alkyl substituent of the heterocyclic amine compound based on the total weight of the absorbent; and a residual amount of an aqueous solution; and a method for acidic gas separation that include: contacting the absorbent for acidic gas separation and a gas including an acidic gas. | 04-28-2016 |
20160158690 | A REVERSIBLE LIGHT DRIVEN GAS ABSORBENT SOLUTION AND PROCESS - The invention relates to a process for removing a target gas from a gas stream rich in the target gas and to an absorbent solution for absorbing a gas, such as carbon dioxide, from a gas stream. The invention involves the use of a photoactive compound that is convertible from a first state to a second state upon irradiation to facilitate removal or collection of a target gas from a gas stream. | 06-09-2016 |
20160158691 | METHOD OF GAS CAPTURE - Methods for separating carbon dioxide from a gas stream are described. The methods include (a) providing a stream having a gas therein; and (b) contacting the stream with a sorption composition thereby removing at least a portion of the gas from the stream. The sorption composition includes a solid support, a linking moiety, and a gas-capture moiety or a reaction product thereof; wherein the gas-capture moiety has a formula according to Formula (I): | 06-09-2016 |
20160166976 | SPLIT LINE SYSTEM, METHOD AND PROCESS FOR CO2 RECOVERY | 06-16-2016 |
20160166979 | GAS SEPARATION MEMBRANE COMPRISING SUPER BASE | 06-16-2016 |
20160166981 | METHOD OF ENHANCING REMOVAL OF GASEOUS CONTAMINANTS FROM A FEEDSTREAM IN A TREATMENT CHAMBER HAVING LIQUID MEDIUM | 06-16-2016 |
20160166984 | SYSTEM AND METHOD FOR TREATMENT OF A FLUE GAS | 06-16-2016 |
20160193562 | Sterically Hindered Amines and Associated Methods | 07-07-2016 |
20160193563 | CARBON CAPTURE SOLVENTS AND METHODS FOR USING SUCH SOLVENTS | 07-07-2016 |
20160193568 | CARBON DIOXIDE ABSORBER AND CARBON DIOXIDE SEPARATION/RECOVERY METHOD USING THE ABSORBER | 07-07-2016 |
20160194210 | HYDROGEN CYANIDE PRODUCTION WITH TREATED NATURAL GAS AS SOURCE OR METHANE-CONTAINING FEEDSTOCK | 07-07-2016 |
20160200592 | Method and Apparatus For Removing Acid-Gases From Hydrocarbon-Bearing Saltwater Solution | 07-14-2016 |
20160250590 | METHOD OF DEACIDIZING A GASEOUS EFFLUENT BY AN ABSORBENT SOLUTION WITH VAPOR INJECTION INTO THE REGENERATED ABSORBENT SOLUTION AND DEVICE FOR IMPLEMENTING SAME | 09-01-2016 |
20160250591 | CATALYTIC CO2 DESORPTION FOR ETHANOLAMINE BASED CO2 CAPTURE TECHNOLOGIES | 09-01-2016 |
20160375400 | LIQUID CARBON DIOXIDE ABSORBENTS, METHODS OF USING THE SAME, AND RELATED SYSTEMS - A carbon dioxide absorbent composition is described, including (i) a liquid, nonaqueous silicon-based material, functionalized with one or more groups that either reversibly react with CO | 12-29-2016 |
20170232380 | METHOD OF DEVELOPMENT AND USE OF CATALYST-FUNCTIONALIZED CATALYTIC PARTICLES TO INCREASE THE MASS TRANSFER RATE OF SOLVENTS USED IN ACID GAS CLEANUP | 08-17-2017 |
20180021723 | GAS TREATING SOLUTIONS CONTAINING IMIDAZOLE-AMINE COMPOUNDS | 01-25-2018 |
20190143259 | CO2 RECOVERY UNIT AND CO2 RECOVERY METHOD | 05-16-2019 |
20190143299 | AMINE-BASED CARBON DIOXIDE ADSORBENT RESISTENT TO OXYGEN AND SULFER DIOXIDE AND METHOD OF PREPARING THE SAME | 05-16-2019 |