| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 423226000 | Utilizing organic reactant | 79 |
| 20110293497 | METHOD OF ENRICHING A GASEOUS EFFLUENT IN ACID GAS - The present invention relates to a method of enriching a gaseous effluent in acid compounds, which comprises the following stages:
| 12-01-2011 |
| 20110293496 | SYNTHESIS OF TRIAZOLE-BASED AND IMIDAZOLE-BASED ZINC CATALYSTS - Various methods and structures of complexes and molecules are described herein related to a zinc-centered catalyst for removing carbon dioxide from atmospheric or aqueous environments. According to one embodiment, a method for creating a tris(triazolyl)pentaerythritol molecule includes contacting a pentaerythritol molecule with a propargyl halide molecule to create a trialkyne molecule, and contacting the trialkyne molecule with an azide molecule to create the tris(triazolyl)pentaerythritol molecule. In another embodiment, a method for creating a tris(imidazolyl)pentaerythritol molecule includes alkylating an imidazole 2-carbaldehyde molecule to create a monoalkylated aldehyde molecule, reducing the monoalkylated aldehyde molecule to create an alcohol molecule, converting the alcohol molecule to create an alkyl halide molecule using thionyl halide, and reacting the alkyl halide molecule with a pentaerythritol molecule to create a tris(imidazolyl)pentaerythritol molecule. In another embodiment, zinc is bound to the tris(triazolyl)pentaerythritol molecule to create a zinc-centered tris(triazolyl)pentaerythritol catalyst for removing carbon dioxide from atmospheric or aqueous environments. | 12-01-2011 |
| 20110217217 | Nanocomposite Materials Comprising Metal-Organic-Framework Units and Graphite-Based Materials, and Methods of Using Same - The present invention relates to nanocomposite materials comprising: graphite-based material dispersed among transition metal-organic framework (MOF) units, wherein the graphite-based material is chemically linked to MOF units; wherein the graphite-based material is present in the range of about 5 wt. % to about 60 wt. % of the composite material. | 09-08-2011 |
| 20100143225 | Integrated Warm Gas Desulfurization and Gas Shift for Cleanup of Gaseous Streams - The present invention involves a catalytic process for purifying a gas stream comprising purifying the gas stream at a temperature from about 250° to 550° C. by removing sulfur compounds and including a gas shift reaction to convert carbon monoxide to carbon dioxide to produce a partially purified gas stream. The warm gas stream purification involves COS hydrolysis and hydrogenation to H | 06-10-2010 |
| 20100150804 | Carbon Dioxide Scrubbing Using Ionic Materials - One aspect of the present invention relates to amine-functionalized task-specific ionic liquids (TSILs). In certain embodiments, the ionic liquids of the invention comprise beta-hydroxy amines, aryl amines or tertiary amines. The TSILs may be used for gas capture, capitalizing on their non-volatile nature. In certain embodiments, the captured gas is selected from the group consisting of CO | 06-17-2010 |
| 20100196233 | APPLICATIONS OF METAL COMPLEX COMPOUNDS - The present invention provides a method for binding gaseous molecules, the method comprising contacting gases comprising the gaseous molecules with trivalent metal complexes. Typically, the gaseous molecules comprise polar molecules of greenhouse gases, especially the oxides of carbon, nitrogen and sulphur. Preferably, the trivalent metal complexes comprise complexes of actinide metals, most preferably uranium. The method is particularly useful in the removal of so-called greenhouse gases from the atmosphere, and is therefore of potentially very great value environmentally. The invention also provides trivalent metal complexes comprising sandwich complexes of trivalent metals selected from transition metals and actinide metals, the complexes comprising two ligands selected from pentalenyl, indenyl, cyclopentadienyl and cyclooctatetraene ligands. The invention further provides a method for the preparation of the trivalent metal complexes. | 08-05-2010 |
| 20120128560 | Process and System for Syngas Treatment - A process for the clean-up of a crude syngas stream having widely varying composition and particulate load. The process includes quenching the crude syngas stream with a liquid stream to cool the syngas stream and remove particulates, tars and heavier hydrocarbon compounds. The process further includes co-scrubbing the syngas stream to remove both HCl and NH | 05-24-2012 |
| 20110236281 | METHOD FOR REMOVAL OF HYDROGEN SULFIDE FROM GEOTHERMAL STEAM AND CONDENSATE - A method for scavenging hydrogen sulfide from geothermal steam in a condenser under vacuum. A fine curtain of atomized acrolein-water droplets may be sprayed into geothermal steam condensers in an amount of approximately 2:1 molar ratio of acrolein to H | 09-29-2011 |
| 423228000 | Amine | 71 |
| 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 |
| 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 |
| 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 |
| 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 |
| 20110217218 | Systems and Methods for Acid Gas Removal - A method and system for the selective removal of CO | 09-08-2011 |
| 20120207659 | METHODS AND SYSTEMS FOR CO2 SEPARATION - A method for separating carbon dioxide (CO | 08-16-2012 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 20110150730 | CARBON DIOXIDE SORBENTS - Improved CO | 06-23-2011 |
| 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 |
| 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 |
| 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 |
| 20120148466 | CARBON DIOXIDE ABSORBENT | 06-14-2012 |
| 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 |
| 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 |
| 20120063979 | High CO2 to Amine Adsorption Capacity CO2 Scrubbing Processes | 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 |
| 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 |
| 20120308458 | CO2 ABSORPTION FROM GAS MIXTURES USING AN AQUEOUS SOLUTION OF 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINE | 12-06-2012 |
| 20120308456 | Selective Sulfur Removal Process - A cyclic process for selectively separating hydrogen sulfide from a gas mixture including CO | 12-06-2012 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 20120282160 | CARBON DIOXIDE AND HYDROGEN SULFIDE ABSORBENTS AND PROCESS FOR THEIR USE - A process for capturing at least one of H | 11-08-2012 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 20120328501 | AIR POLLUTION CONTROL SYSTEM AND AIR POLLUTION CONTROL METHOD - An air pollution control system includes a desulfurization apparatus | 12-27-2012 |
| 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 |
| 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 |
| 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 |
| 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 |
| 423229000 | Ethanolamine | 12 |
| 20120237421 | 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 CO | 09-20-2012 |
| 20100061904 | CO2 ABSORPTION METHOD - A method for removing CO | 03-11-2010 |
| 20110014100 | Carbon Sequestration Using Ionic Liquids - A process to capture and sequester an impurity gas from a fluid stream. The impurity gas capture is accomplished by contacting the fluid stream with an impurity removing mixture, the mixture comprising an ionic liquid and an amine compound under conditions sufficient to reduce the amount of impurity gas from said fluid stream. The captured impurity gas is sequestered by reacting the impurity gas with a sequestration material. | 01-20-2011 |
| 20100003177 | HEAT RECOVERY GAS ABSORPTION PROCESS - Apparatus comprising an absorber device provided with a plurality of sequentially adjacent sections for flowing a gas stream therethrough. A conduit infrastructure comprising a section configured to ingress, communicate with and egress from each section of the absorber device, and a recovery and regeneration section, is configured with a plurality of heat exchange and cooling equipment. A process wherein a liquid solvent provided with at least one chemical compound selected for reacting with the selected gaseous component, is counter-flowed against and commingled with the gas stream. The liquid solvent temperature is controllably manipulated between each section of the column to provide: (a) thermodynamic-driven mass transfer at the front end of the absorber device, and (b) kinetic-driven mass transfer at the back end of the absorber device. The heat generated during the recovery of the gaseous component from the absorption liquid solvent system is recovered for use in regenerating solvent system. | 01-07-2010 |
| 20110008229 | SULFUR RECOVERY PLANT TAIL GAS TREATMENT PROCESS - A process for the removal of hydrogen sulfide from a gas stream in which the gas stream is first passed through a Claus unit operating at a sub-stoichiometric ratio (H | 01-13-2011 |
| 20110262330 | ALKANOLAMINE-BASED CARBON DIOXIDE ABSORPTION SOLUTIONS WITH REDUCED CORROSIVITY - An aqueous carbon dioxide-absorbent solution comprising at least one alkanolamine and at least one quaternary ammonium salt is disclosed. A method of recovering carbon dioxide from a carbon dioxide-containing gaseous mixture and a method of reducing metal corrosion in an alkanolamine-based exhaust gas treating process are also disclosed. | 10-27-2011 |
| 20120014853 | NEW PROCESS FOR RECOVERING CO2 FROM REGENERATION FLUE GAS COMING FROM A CATALYTIC CRACKING UNIT - The invention describes an integrated process for capturing CO | 01-19-2012 |
| 20120063980 | Alkanolamine CO2 Scrubbing Process | 03-15-2012 |
| 20120082604 | CONTAMINANT-TOLERANT SOLVENT AND STRIPPING CHEMICAL AND PROCESS FOR USING SAME FOR CARBON CAPTURE FROM COMBUSTION GASES - A contaminant-tolerant hybrid scrubbing solvent is provided for post-combustion CO | 04-05-2012 |
| 20120230896 | REMOVAL OF CARBON DIOXIDE FROM COMBUSION EXHAUST GASES - The invention relates to an absorbent, comprising an aqueous solution (A) of at least one amino acid salt of the formula (I), wherein R | 09-13-2012 |
| 20120288429 | Bi-Directional Reactor and Supported Monoethenalamine for CO2 Separation - The invention generally relates to a bi-directional reactor and supported amine sorbent, and more particularly to a method and system for carbon dioxide sequestration utilizing a bi-directional reactor and monoethenalamine (MEA) on a substrate. The bi-directional reactor is configured to reclaim the sorbent material as the sorbent is immobilized during the sorption phase, but is mobilized during desorption phased. The immobilized sorbent reacts with the desired contaminate to absorb and is transported to another reactor during desorption phase, thereby permitting reclamation of the sorbent. | 11-15-2012 |
| 20120251421 | PROCESSES FOR REDUCING NITROSAMINE FORMATION DURING GAS PURIFICATION IN AMINE BASED LIQUID ABSORPTION SYSTEMS - Acid gas purification processes for reducing nitrosamine precursor formation from a gas stream containing NOx, wherein the acid gas is selectively absorbed in an amine based wash solution comprising at least one secondary diamine. The processes generally include absorbing carbon dioxide from the gas stream containing NOx species with the amine-based wash solution comprising at least one secondary diamine to provide a carbon dioxide lean gas stream that is released into the surroundings, wherein absorbing the acid gas forms a rich amine solution; and regenerating the rich amine solution at an elevated temperature to release the carbon dioxide to form a regenerated lean amine solution, wherein absorbing and regenerating are configured to promote formation of carbamate species of at least one diamine. | 10-04-2012 |
