Class / Patent application number | Description | Number of patent applications / Date published |
095172000 | By reduction of pressure (e.g., flashing, etc.) | 26 |
20090071335 | METHODS FOR APPLYING MICROCHANNELS TO SEPARATE METHANE USING LIQUID ABSORBENTS, ESPECIALLY IONIC LIQUID ABSORBENTS FROM A MIXTURE COMPRISING METHANE AND NITROGEN - Methods of using microchannel separation systems including absorbents to improve thermal efficiency and reduce parasitic power loss. Energy is typically added to desorb methane and then energy or heat is removed to absorb methane using a working solution. The working solution or absorbent may comprise an ionic liquid, or other fluids that demonstrate a difference in affinity between methane and nitrogen in a solution. | 03-19-2009 |
20090095155 | SYSTEMS AND METHODS FOR CARBON DIOXIDE CAPTURE - Methods and systems for handling sour carbon dioxide (CO | 04-16-2009 |
20090120289 | CONVERSION OF EXPLOSIVE GAS MIXTURES - A process for controlled conversion of at least two gases which form ignitable and/or explosive mixtures with one another, in which the gases are absorbed either separately or together in a carrier liquid which is inert in relation to the gases; the carrier liquid with the absorbed gases is fed to a degasser which comprises a closed degassing vessel ( | 05-14-2009 |
20090320682 | REMOVAL OF CARBON DIOXIDE FROM COMBUSTION 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 | 12-31-2009 |
20120222557 | IONIC LIQUIDS COMPRISING HETERAROMATIC ANIONS - Some embodiments described herein relate to ionic liquids comprising an anion of a heteraromatic compound such as optionally substituted pyrrolide, optionally substituted pyrazolide, optionally substituted indolide, optionally substituted phospholide, or optionally substituted imidazolide. Methods and devices for gas separation or gas absorption related to these ionic liquids are also described herein. | 09-06-2012 |
20150013539 | OFFSHORE PROCESSING METHOD AND SYSTEM - A method for removal of a compound from a crude hydrocarbon gas stream to be obtained from a sub-sea well is disclosed. The method comprises bringing the crude hydrocarbon gas stream in contact with a treatment solution comprising an absorbent at least partly selective to the compound to be removed, thereby obtaining a rich treatment solution and a compound depleted gas stream, regenerating the treatment solution comprising the absorbent by desorbing the compound from the rich treatment solution, thereby obtaining a compound stream. The crude hydrocarbon gas stream is brought in contact with the treatment solution comprising the absorbent subsea, the compound depleted gas stream is obtained subsea, where as the regenerating of the rich treatment solution and obtaining the compound stream is performed topside Further a system for transporting a treatment fluid from a subsea treatment unit to a topside regeneration involving adding pressurized hot natural gas to the treatment fluid subsea as a lift gas and separating the natural gas from the treatment fluid topside before the treatment fluid enters the treatment unit is described. | 01-15-2015 |
20150367276 | USE OF HYDRAULIC TURBOCHARGER FOR RECOVERING ENERGY FROM HIGH PRESSURE SOLVENTS IN GASIFICATION AND NATURAL GAS APPLICATIONS - The invention provides a process and system for regenerating a solvent used to remove carbon dioxide from feed gases, such as natural gas and synthesis gas. The invention employs one or more hydraulic turbochargers to transfer energy from a higher energy solvent stream to a lower energy solvent stream. This energy is converted to electricity for use in powering parts of the process and system. This provides for a significant reduction in operating expenses. | 12-24-2015 |
095173000 | And heating | 13 |
20110214566 | CARBON DIOXIDE ABSORBENTS - The present invention relates to a carbon dioxide absorbent. In particular, the present invention relates to a carbon dioxide absorbent comprising an ionic liquid, amine and glycol. Since the carbon dioxide absorbent of the present invention can retain excellent CO | 09-08-2011 |
20110315014 | METHOD FOR REMOVING SOx FROM GAS USING POLYETHYLENE GLYCOL - A method for removing SO | 12-29-2011 |
20140238236 | COGENERATION SYSTEM CONCEPT FOR CO2 RECOVERY PLANT | 08-28-2014 |
20140311342 | METHOD FOR ELIMINATING ACID COMPOUNDS FROM A GASEOUS EFFLUENT WITH AN ABSORBENT SOLUTION MADE FROM BIS(AMINO-3-PROPYL)ETHERS - The method of removing acid compounds contained in a gaseous effluent consists in contacting in column C1 a gaseous effluent with an absorbent solution 4 made up of an aqueous solution of one or more diamines belonging to the bis(amino-3-propyl)ether or (amino-2-ethyl)-(amino-3-propyl)ether family. | 10-23-2014 |
095174000 | Liquid recycled or reused | 9 |
20090013872 | METHOD OF REMOVING ACID GASES CONTAINED IN GASEOUS EFFLUENTS - The present invention relates to a method of removing acid gases, notably carbonyl sulfide, contained in gaseous effluents, comprising:
| 01-15-2009 |
20090293723 | CARBON DIOXIDE REMOVAL FROM SYNTHESIS GAS AT ELEVATED PRESSURE - A method for removing CO | 12-03-2009 |
20100126347 | PROCESS FOR THE REMOVAL OF CARBON DIOXIDE FROM GAS STREAMS - A process for the removal and recovery of carbon dioxide from a gaseous stream, in particular the removal and recovery of carbon dioxide, and optionally hydrogen sulphide, from a natural and/or synthesis gas stream. Furthermore, the present invention provides for the release of the removed and recovered carbon dioxide, and optionally hydrogen sulphide, at an elevated pressure, thereby reducing the high carbon dioxide compression costs associated with further chemical processing e.g. for under-ground carbon sequestration and/or for subsurface enhanced hydrocarbon recovery and/or for the manufacture of urea. | 05-27-2010 |
20100154637 | PROCESS FOR THE PURIFICATION OF GASEOUS MIXTURES CONTAINING MERCAPTANS AND OTHER ACID GASES - The invention relates to a process for the purification of a gaseous mixture containing mercaptans and other acid gases comprising a stage of bringing said gaseous mixture into contact with an absorbent solution comprising an alkanolamine, a C | 06-24-2010 |
20120260801 | CO2 RECOVERY SYSTEM AND RECOVERY METHOD FOR MOISTURE CONTAINING CO2 GAS | 10-18-2012 |
20130312607 | Carbon Oxide Capture - The present invention relates to the use of (poly)-oxymethylene dialkyl ethers as agents for capturing carbon oxides, CO and/or CO | 11-28-2013 |
20150321139 | PROCESS FOR ABSORPTION OF CO2 FROM A GAS MIXTURE USING AN AQUEOUS SOLUTION OF A DIAMINE | 11-12-2015 |
20150375163 | LOW PRESSURE RE-ABSORBER AND ITS INTEGRATION WITH SULFUR-RICH SOLVENT FLASH DRUM OR SULFUR-RICH SOLVENT STRIPPER IN AN ABSORPTION UNIT - A low pressure re-absorber is integrated with a sulfur-rich solvent flash drum or a sulfur-rich solvent stripping column in a solvent acid gas removal process that provides for sufficient sulfur concentration for the downstream sulfur recovery unit. In another aspect of the invention, carbon dioxide containing or carbon dioxide rich gas streams that are at a lower temperature relative to a lean solvent stream are used to cool those lean solvent streams and then optionally to cool other process streams, to save energy consumption. | 12-31-2015 |
20160144314 | HYDROCARBON GAS DECARBONATION METHOD - Method of decarbonating a hydrocarbon gas, a natural gas for example, by washing with a solvent. | 05-26-2016 |
095177000 | Liquid recycled or reused | 6 |
20090241778 | Use of Solvent Stream as Motive Fluid in Ejector Unit for Regenerating Solvent for Absorption Unit - The invention provides a process and system for regenerating a solvent used to remove carbon dioxide from feed gases, such as natural gas and synthesis gas. The process and system employs an eductor or ejector as an alternative to the prior art's vacuum compressor that is placed on the vapor stream from a vapor flash. This process and system saves substantial capital and operating costs over the prior art. | 10-01-2009 |
20100011957 | Methods for Depleting Hydrogen Sulfide in Natural Gas from the Exploitation of Crude Oil/Natural Gas Mixtures - The invention relates to a method for depleting hydrogen sulphide in natural gas from the exploitation of crude oil/natural gas mixtures containing acid gas, during which the pressure of highly pressurized crude oil/natural gas mixture is firstly reduced to a pressure of 70 to 130 bar, preferably 90 bar, the outgassing crude gas is separated from the crude oil and crude gas is cooled, whereby the liquid phase condensing during the cooling of the crude gas is removed, the outgassed crude gas is, after cooling and without further measures of reducing pressure, subjected to a gas scrubbing, which absorbs a large portion of the H | 01-21-2010 |
20120297978 | GAS PREPURIFICATION PROCESS - A method for removing impurities from a feed air gas stream prior to the stream being fed to a cryogenic distillation unit. The feed air gas stream contacts an ionic liquid which adsorbs the impurities from the air. The method can use one or more beds such as in pressure swing adsorption processes. | 11-29-2012 |
20140360369 | PROCESS FOR THE ASBORPTION OF CO2 FROM A GAS MIXTURE WITH AN ABSORPTION MEDIUM COMPRISING AMINES - An absorption medium comprising water and at least one amine of formula (I) | 12-11-2014 |
20150075375 | Mass Transfer Apparatus and Method for Separation of Gases - A process and apparatus for separating components of a source gas is provided in which more soluble components of the source gas are dissolved in an aqueous solvent at high pressure. The system can utilize hydrostatic pressure to increase solubility of the components of the source gas. The apparatus includes gas recycle throughout multiple mass transfer stages to improve mass transfer of the targeted components from the liquid to gas phase. Separated components can be recovered for use in a value added application or can be processed for long-term storage, for instance in an underwater reservoir. | 03-19-2015 |
20150375165 | Mass Transfer Apparatus and Method for Separation of Gases - A process and apparatus for separating components of a source gas is provided in which more soluble components of the source gas are dissolved in an aqueous solvent at high pressure. The system can utilize hydrostatic pressure to increase solubility of the components of the source gas. The apparatus includes gas recycle throughout multiple mass transfer stages to improve mass transfer of the targeted components from the liquid to gas phase. Separated components can be recovered for use in a value added application or can be processed for long-term storage, for instance in an underwater reservoir. | 12-31-2015 |