Class / Patent application number | Description | Number of patent applications / Date published |
095178000 | By heating | 46 |
20080276803 | Methods and systems for reducing carbon dioxide in combustion flue gases - A method for processing flue-gas, in an exemplary embodiment, includes providing an absorber unit having a membrane contactor, channeling a combustion flue gas along a first surface of the membrane contactor, and channeling an ammonia-based liquid reagent along a second opposing surface of the membrane contactor. The method also includes partially separating the ammonia-based liquid from the flue gas such that the ammonia-based liquid and the flue gas contact at gas-liquid interface areas, defined by a plurality of pores of the membrane contactor, to separate CO | 11-13-2008 |
20120067219 | MEASUREMENT DEVICE, MEASUREMENT METHOD, AND CARBON DIOXIDE RECOVERY SYSTEM - Disclosed is a measurement device with which it is possible to quickly measure the carbon dioxide content of an absorbent solution circulating through a carbon dioxide recovery system. The measurement device comprises: a gasification unit ( | 03-22-2012 |
20150007728 | AQUEOUS SOLUTION WHICH EFFICIENTLY ABSORBS AND RECOVERS CARBON DIOXIDE IN EXHAUST GAS, AND METHOD FOR RECOVERING CARBON DIOXIDE USING SAME - Disclosed is an aqueous solution for absorbing and recovering carbon dioxide from a carbon dioxide-containing gas, the aqueous solution containing an amino alcohol compound represented by Formula I and an amine compound represented by Formula 2, | 01-08-2015 |
20160030880 | CO2 CAPTURE WITH AMINES AND ACIDIC MATERIALS - An improved method of CO | 02-04-2016 |
095179000 | Liquid recycled or reused | 26 |
20090158930 | REFITTING PLANTS FOR ACID GAS REMOVAL - A method for removing acid gases from a fluid stream in which the fluid stream, in contact with an absorption medium in the form of an aqueous amine solution in an absorber, is passed through a first absorption zone and through a second absorption zone, the loaded absorption medium is passed into a first regeneration zone, a part of the resultant partially regenerated absorption medium is passed into the first absorption zone, the other part of the partially regenerated absorption medium is passed into a second regeneration zone, and a part of the resultant regenerated absorption medium is passed into the first absorption zone and the other part of the regenerated absorption medium is passed into the second absorption zone. The method can be carried out with few changes to apparatus of a hot pot plant, the energy requirement for the same performance being no higher than in the hot pot process. | 06-25-2009 |
20100005966 | CO2 CAPTURE USING SOLAR THERMAL ENERGY - At an absorber station, CO | 01-14-2010 |
20100132551 | GAS DEACIDIZING METHOD USING AN ABSORBENT SOLUTION WITH DEMIXING DURING REGENERATION - The gaseous effluent to be treated is contacted in C | 06-03-2010 |
20100154638 | PROCESS FOR PARTIAL DEHYDRATION OF A GAS BY ABSORPTION ON A SOLVENT THAT CAN BE REGENERATED BY SEGREGATION AT AMBIENT TEMPERATURE - A process for partial dehydration of a gas by contact with a solvent that can be regenerated by: a) A stage for absorption of H | 06-24-2010 |
20100170396 | CO2 OR H2S REDUCING SYSTEM AND METHOD OF REDUCING CO2 OR H2S | 07-08-2010 |
20100242731 | PROCESS FOR CO2 CAPTURE WITH IMPROVED STRIPPER PERFORMANCE - The present application relates to systems and processes for removal of gaseous contaminants from gas streams. In particular, the application relates to a process for removal of gaseous contaminants from a gas stream comprising
| 09-30-2010 |
20110100217 | SPRAY PROCESS FOR THE RECOVERY OF CO2 FROM A GAS STREAM AND A RELATED APPARATUS - A method for recovering carbon dioxide (CO | 05-05-2011 |
20120152119 | SYSTEM AND PROCESS FOR CAPTURE OF H2S FROM GASEOUS PROCESS STREAMS AND PROCESS FOR REGENERATION OF THE CAPTURE AGENT - A system and process are disclosed for selective removal and recovery of H | 06-21-2012 |
20120279394 | Method and Device for Removing Water from Natural Gas or from Industrial Gases with Physical Solvents - A method and apparatus for drying a natural gas or an industrial gas that contains acidic gas components, wherein gas drying is followed by the removal of the acidic gas components from the dried gas. The same physical solvent is used for both of the process steps of gas drying and of acidic gas removal. The gas to be dried is brought into contact with the physical solvent, which absorbs most of the water contained in the gas. The physical solvent, loaded with water, is transferred into a solvent regenerating device to be heated where the water contained in the solvent is stripped from the solvent in the countercurrent by acidic gas that is removed from the dried useful gas during the acidic gas absorption. The acidic gas being released again in the acidic gas solvent regenerating device, stripped from the solvent, and discharged from the solvent regenerating device. | 11-08-2012 |
20120318141 | CO2 RECOVERY UNIT AND CO2 RECOVERY METHOD | 12-20-2012 |
20120325089 | CARBON DIOXIDE CAPTURING DEVICE AND CARBON DIOXIDE CAPTURING METHOD - In accordance with an embodiment, a carbon dioxide capturing device includes an absorption tower, a regeneration tower, and a cooling unit. A gas containing carbon dioxide and a lean liquid is introduced to the absorption tower which brings the gas and the lean liquid into contact with each other to generate a rich liquid. The regeneration tower generates a lean liquid by diffusing vapor containing carbon dioxide from the rich liquid from the absorption tower, and then returns the lean liquid to the absorption tower. The cooling unit cools at least one of the gas, the lean liquid, and the rich liquid. The cooling unit includes first and second coolers connected in series to each other, by first and second cooling mediums, respectively. The first cooling medium is generated outside the device without using power for cooling in the device. The first cooler is located upstream of the second cooler. | 12-27-2012 |
20130019751 | METHOD AND APPARATUS FOR SEPARATION OF CARBON DIOXIDE FROM AN OFF-GAS FROM A FOSSIL-FUELED POWER STATION - A separation apparatus for carbon dioxide is provided which includes an absorption unit for absorbing flue gas from a fossil-fueled power station, a desorption unit and a heat exchanger which on the primary feed side is connected via an inlet-side feedback line to the desorption unit, and on the discharge side is connected via an outlet-side feedback line to the absorption unit. On the secondary feed side, the heat exchanger is connected via an inlet-side feed line to the absorption unit, and on the discharge side is connected via an outlet-side feed line to the desorption unit. A first bypass line connects the inlet-side feedback line to the outlet-side feed line so that a mostly closed first circuit with the desorption unit is formed, and a second bypass line connects the inlet-side feed line to the outlet-side feedback line so a mostly closed second circuit with the absorption unit is formed. | 01-24-2013 |
20130092026 | CHILLED AMMONIA BASED CO2 CAPTURE SYSTEM WITH WASH SYSTEM AND PROCESSES OF USE - Systems and processes for reducing the energy requirements of an ammonia recovery stripper in a chilled ammonia-based CO | 04-18-2013 |
20130192465 | Process for Recovery of Processing Liquids - A process for recovering a processing liquid used in gas purification systems, e.g., to remove greenhouse gases, and containing water, the processing liquid, components having higher and lower boiling points than water and a component less volatile than the processing liquid, wherein the feed mixture is heated and introduced into a first separation zone, a portion of the water and the processing liquid being volatilized to produce a hot vapor stream comprising volatilized water and processing liquid. There is also produced a first residuum stream which contains some of the less volatile components and the unvolatilized portion of the water in the processing liquid. The hot vapor stream is introduced into the separation system forming part of a gas purification system. The majority of the energy in the hot vapor stream is recovered for use in the separation system forming part of the gas purification system. A substantially degassed processing liquid stream is recovered from the separation system forming part of the gas purification system. There is also recovered, from the separation system forming part of the gas purification system, the feed stream to the first separation zone. | 08-01-2013 |
20130255496 | Ionic Liquid Solvent and Gas Purification Method Using the Same - An ionic liquid solvent and gas purification method using the same are provided. The ionic liquid solvent consists of a main absorbent, a regulator for the main absorbent, an auxiliary absorbent, an activator, an antioxidant and water. The ionic liquid involves a low synthetic cost, low viscosity and high absorption capacity, and can be easily regenerated and recycled. The method, compared with traditional processes, has advantages such as a greater absorption capability and lower operation cost. | 10-03-2013 |
20140260979 | PROCESSES FOR THE REJUVENATION OF AN AMINE ACID GAS ABSORBENT USED IN AN ACID GAS RECOVERY UNIT - A process for the recovery of an amine acid gas absorbent used in an acid gas recovery unit, comprising obtaining an amine-containing waste stream from a heat stable salt (HSS) removal unit wherein a HSS containing amine acid gas absorbent stream is contacted with a base and subjected to a first phase separation step whereby a light regenerated amine absorbent stream and the amine-containing waste stream are produced; contacting the amine-containing waste stream with an organic solvent and obtaining an amine rich organic solvent stream and an amine reduced waste stream; and contacting the amine rich organic solvent stream with an acid and obtaining a protonated amine stream and an amine reduced organic solvent stream. | 09-18-2014 |
20150375164 | PROCESS AND APPARATUS FOR PROCESSING A GAS STREAM AND ESPECIALLY FOR PROCESSING A FLUE GAS STREAM - An apparatus for processing a gas stream and especially for processing a flue gas stream, includes a scrubbing apparatus for removing harmful substances from the gas stream by means of a scrubbing medium, and a separation apparatus which is connected downstream of the washing apparatus and comprises an absorber and a desorber for separation of carbon dioxide from the gas stream by means of a scrubbing medium. In this context, the scrubbing apparatus and the separation apparatus are set up to use the same scrubbing medium. A process uses the same scrubbing medium both for pre-purification of the gas stream in a scrubbing apparatus and for separation of carbon dioxide in a separation apparatus. | 12-31-2015 |
20160114282 | SEPARATION METHOD AND SEPARATION DEVICE - A separation method including: an absorption process absorbing a desired component in a starting material gas into an absorption liquid by bringing the starting material gas and the absorption liquid into contact with each other inside an absorption unit; a regeneration process releasing the desired component from the absorption liquid and regenerating the absorption liquid by heating the absorption liquid, which absorbed the desired component in the absorption process, in a regeneration unit; a post-regeneration separation process separating the mixed fluid, which is the gas of the desired component released in the regeneration process and the regenerated absorption liquid, into the desired component gas and the absorption liquid; and a compression process compressing the starting material gas prior to the absorption process and the regeneration process. | 04-28-2016 |
20160114284 | GAS PURIFICATION USING SOLAR ENERGY, AND ASSOCIATED SYSTEMS AND METHODS - Techniques for purifying gases, and associated systems and methods are disclosed. A representative system includes an absorption vessel that can separate impurities from an input gas, a regeneration vessel that can release the impurities from the solvent, a rich solvent storage vessel, and a lean solvent storage vessel. The system can include a solar concentrator array and a thermal storage unit for storing the thermal energy generated by the solar concentrator array. | 04-28-2016 |
20160375398 | RECLAIMING DEVICE, RECLAIMING METHOD, AND RECOVERY UNIT FOR CO2 OR H2S OR BOTH - An evaporator is provided that separates, from a degraded substance, an absorbent branched off and introduced, a heating section which is interposed on a circulation line L | 12-29-2016 |
095180000 | Liquid cooling step before being recycled | 6 |
20100132552 | ZONE OR PROCESS FOR IMPROVING AN EFFICIENCY THEREOF - One exemplary embodiment can be a process for increasing an efficiency of an acid gas removal zone. The process may include passing an absorber-solvent cooling stream through a heat exchanger. Usually, the heat exchanger warms the absorber-solvent cooling stream with a lean solvent stream before removing at least a portion of the carbon dioxide remaining in the absorber-solvent cooling stream and returning a partially-lean solvent stream to an absorber. | 06-03-2010 |
20100319540 | REMOVAL OF ACID GASES BY MEANS OF AN ABSORBENT COMPRISING A STRIPPING AID - A process for removing acid gases from a fluid stream in which a) the fluid stream is treated with an absorption liquid which comprises at least one amine, a stripping aid, and water, wherein the stripping aid is selected from water-miscible liquids, the boiling temperature of which at atmospheric pressure is lower than that of water, b) the treated fluid stream is treated with a liquid aqueous phase in order to convert entrained stripping aid at least in part to the aqueous phase, c) the loaded aqueous phase is heated in order to expel the stripping aid at least in part, and d) the regenerated aqueous phase is cooled and at least in part recycled to step b). The stripping aid promotes the regeneration of the absorbent by stripping. Emissions of the stripping aid via the treated fluid stream are avoided by the treated fluid stream being scrubbed with a liquid aqueous phase. | 12-23-2010 |
20130269526 | METHODS AND APPARATUS FOR CARBON DIXOIDE CAPTURE - Described are methods and apparatus for the selective removal of CO | 10-17-2013 |
20130284020 | PROCESS FOR REMOVING CARBON DIOXIDE FROM A GAS STREAM - The invention provides a process for removing carbon dioxide from a gas stream comprising the steps of: (a) contacting the gas stream with an absorption solvent to obtain a gas stream with a reduced carbon dioxide content and a carbon dioxide-containing absorption solvent; (b) withdrawing at least part of the gas stream with the reduced carbon dioxide content; (c) withdrawing at least part of the carbon dioxide-containing absorption solvent obtained in step (a) and heat it to obtain a mixture comprising a gas phase, an aqueous liquid phase and a non-aqueous liquid phase, wherein carbon dioxide is predominantly present in the gas phase; (d) introducing at least part of the mixture obtained in step (c) into a gas lift reactor to further release carbon dioxide absorbed in the aqueous liquid phase and the non aqueous liquid phase, whereby the gas phase establishes circulation and mixing of the aqueous liquid phase and the non-aqueous liquid phase between a lower section of the gas lift reactor and an upper section of the gas lift reactor; (e) withdrawing a gas stream comprising carbon dioxide from the gas lift reactor; (f) withdrawing a mixture of the aqueous liquid phase and the non-aqueous liquid phase from the gas lift reactor, which mixture has released carbon dioxide, and (g) cooling at least part of the mixture of the aqueous liquid phase and the non-aqueous liquid phase to obtain regenerated absorption solvent. | 10-31-2013 |
20140245888 | CO2 RECOVERY APPARATUS AND CO2 RECOVERY METHOD | 09-04-2014 |
20190143261 | METHODS FOR INHIBITING SOLVENT EMISSIONS | 05-16-2019 |
095181000 | Sulfur compound removed | 3 |
20100288125 | ABSORPTION MEDIUM FOR THE SELECTIVE REMOVAL OF HYDROGEN SULFIDE FROM FLUID STREAMS - An absorption medium for the removal of acid gases from a fluid stream comprises an aqueous solution a) of at least one amine and b) at least one phosphonic acid, wherein the molar ratio of b) to a) is in the range from 0.0005 to 1.0. The phosphonic acid is, e.g., 1-hydroxyethane-1,1-diphosphonic acid. The absorption medium exhibits a reduced regeneration energy requirement compared with absorption media based on amines or amine/promoter combinations, without significantly decreasing the absorption capacity of the solution for acid gases. | 11-18-2010 |
20120042778 | SULFUR DIOXIDE ABSORBENT COMPRISING IONIC LIQUID - A sulfur dioxide absorbent comprising an ionic liquid comprised of alkyl ether-substituted imidazolium cation and an alkanesulfonate anion moieties possesses a high thermal/chemical stability, high SO | 02-23-2012 |
20140150652 | POST ABSORBER SCRUBBING OF SO3 - A flue gas treatment system includes a CO | 06-05-2014 |
095183000 | Carbon dioxide removed | 13 |
20080223215 | CO2 RECOVERY SYSTEM AND WASTE-PRODUCT REMOVING METHOD | 09-18-2008 |
20080236390 | Absorbtion Medium and Method for Removing Carbon Dioxide From Gas Streams - A description is given of an absorption medium for removing carbon dioxide from gas streams which comprises aqueous solution of an amine of the formula I | 10-02-2008 |
20100024647 | Method and Device for Separating Methane and Carbon Dioxide from Biogas - A method for separating methane and carbon dioxide from biogas and a device are intended for purifying biogas, wherein carbon dioxide is separated off from the biogas. The method is distinguished by an energetically favorable mode of operation. The biogas is passed under atmospheric pressure and standard temperature into an absorption column. While the biogas ascends through a packed bed, which has a surface area of 600 to 1200 m | 02-04-2010 |
20100064889 | ULTRA CLEANING OF COMBUSTION GAS INCLUDING THE REMOVAL OF CO2 - Ultra cleaning of combustion gas to near zero concentration of residual contaminants followed by the capture of CO | 03-18-2010 |
20100126348 | METHOD FOR EFFICIENTLY RECOVERING CARBON DIOXIDE IN GAS - Disclosed is a method for recovering carbon dioxide from a gas containing carbon dioxide, comprising the step (1) of bringing a gas containing carbon dioxide into contact with an aqueous solution containing 2-isopropylaminoethanol and at least one substance selected from the group consisting of piperazines and alkanolamines to absorb carbon dioxide into the aqueous solution; and the step (2) of heating the aqueous solution containing carbon dioxide absorbed therein, which is obtained in the step (1), to separate and recover carbon dioxide from the solution. | 05-27-2010 |
20100170397 | REMOVAL OF CARBON DIOXIDE FROM FLUE GAS WITH AMMONIA COMPRISING MEDIUM - A process of removal of CO | 07-08-2010 |
20100186591 | SYSTEM AND PROCESS FOR HANDLING A CO2 COMPRISING WASTE GAS AND SEPARATION OF CO2 - A system and method for handling waste gas including separation of CO | 07-29-2010 |
20100236408 | METHOD FOR REMOVING CARBON DIOXIDE FROM FLUID FLOWS, IN PARTICULAR COMBUSTION EXHAUST GASES - A process for removing carbon dioxide from a fluid flow, wherein a) the fluid flow is brought into contact with an absorption agent which contains a solution of ammonia and at least one amino carboxylic acid and/or amino sulfonic acid, a charged absorption agent being obtained, and b) the charged absorption agent is regenerated while releasing carbon dioxide. The additional use of the amino carboxylic acid and/or amino sulfonic acid increases the circulation absorption capacity of the absorption agent. | 09-23-2010 |
20100288126 | Separating CO2 from Gas Mixtures - The present invention relates to a process for separating off CO | 11-18-2010 |
20110139003 | Method and device for separating carbon dioxide from a waste gas of a fossil fueloperated power plant - A method for separating carbon dioxide from a flue gas of a fossil fuel-operated power plant is provided. In the method, a fossil fuel is initially burned in a combustion process, wherein a hot waste gas containing carbon dioxide is produced. In a next process step, waste gas containing carbon dioxide is brought into contact with an absorption medium in an absorption process, wherein carbon dioxide is absorbed by the absorption medium, thus forming a charged absorption medium. Next, gaseous carbon dioxide is thermally expelled from the charged absorption medium in a desorption process. For this purpose, a vapor is supplied to the desorption process, the vapor is injected into the charged absorption medium, wherein the condensation heat released by the condensation of the vapor is transferred to the charged absorption medium, and the partial pressure of the carbon dioxide is simultaneously reduced in the desorption unit. | 06-16-2011 |
20120279395 | FUEL SYSTEM INERTING - A fuel system comprising a fuel tank, a catalytic inerting device for producing oxygen depleted air (ODA) by reaction of fuel vapour from the fuel tank with air, and a separator device for separating carbon dioxide from the ODA gas before feeding the carbon dioxide depleted ODA gas to the fuel tank so as to render the fuel tank ullage atmosphere inert. Also, a method of reducing the carbon dioxide content of oxygen depleted air (ODA) produced by a catalytic inerting device for inerting a fuel tank ullage atmosphere, the method comprising separating carbon dioxide from the ODA gas before feeding the carbon dioxide depleted ODA gas to the fuel tank. The system may be installed in an aircraft. | 11-08-2012 |
20130220122 | CARBON DIOXIDE SEPARATING AND COLLECTING SYSTEM AND METHOD OF OPERATING SAME - In one embodiment, a carbon dioxide separating and collecting system includes an absorbing tower to cause an absorbing liquid to absorb carbon dioxide, and discharge a rich liquid. The system includes a regenerating tower to cause the absorbing liquid to release the carbon dioxide, and discharge a lean liquid. The system includes a heat exchanger to heat the rich liquid by using the lean liquid. A discharge port of the rich liquid of the exchanger is at a higher position than a supply port of the rich liquid of the regenerating tower so that the rich liquid discharged from the exchanger contains a descending flow by which liquid head pressure loss in a path from the discharge port to the supply port becomes negative, and an absolute value of the liquid head pressure loss becomes larger than an absolute value of flow friction pressure loss in the path. | 08-29-2013 |
20130284021 | APPARATUS FOR REMOVING CARBON DIOXIDE IN COMBUSTION EXHAUST GAS - An object of the present invention is to provide a CO | 10-31-2013 |