Carbon Dioxide Or Hydrogen Sulfide Component Patents (Class 423/220)
  • Patent number: 11946344
    Abstract: A method for subsurface sequestration of carbon includes injecting a treatment composition comprising a mineralization accelerant into a subterranean zone at least partially saturated with saline water. The mineralization accelerant is reactive with carbon dioxide to form bicarbonate. The method further includes injecting carbon in the form of carbon dioxide into the subterranean zone and sequestering at least a portion of the carbon in the subterranean zone by precipitation in the subterranean zone of a carbonate mineral formed from reaction of the bicarbonate with metal cations dissolved in the saline water. At least a portion of the bicarbonate is formed by reaction of the mineralization accelerant with the carbon dioxide.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: April 2, 2024
    Assignee: Saudi Arabian Oil Company
    Inventors: Hasmukh A. Patel, Katherine Leigh Hull, Younane N. Abousleiman, Rajesh Goteti, David Jacobi
  • Patent number: 11945999
    Abstract: The present invention relates to a composition for scavenging hydrogen sulphide and/or mercaptans in hydrocarbon streams, the composition comprising an oxazolidine compound and a synergistic additive.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: April 2, 2024
    Inventors: Hemant Surendra Mondkar, Frédéric Tort
  • Patent number: 11919774
    Abstract: A cooling absorption tower for a CO2 recovery device, comprises: an outer shell; a cooling section for cooling a flue gas, the cooling section being disposed in the outer shell; and an absorbing section configured to cause CO2 in the flue gas cooled by the cooling section to be absorbed in an absorption solvent, the absorbing section being disposed in the outer shell and above the cooling section.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: March 5, 2024
    Inventors: Yoshiki Sorimachi, Takashi Kamijo, Shinya Kishimoto
  • Patent number: 11905303
    Abstract: Disclosed are metal organic frameworks (MOFs) for adsorbing guest species, methods for the separation of gases using the MOFs, and systems comprising the MOFs. The MOFs comprise a plurality of secondary building units (SBUs), each SBU comprising a repeating unit of one metal cation connected to another metal cation via a first moiety of an organic linker; a layer of connected adjacent SBUs in which a second moiety of the linker in a first SBU is connected to a metal cation of an adjacent SBU, and wherein adjacent layers are connected to each other via linker-to-linker bonding interactions.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: February 20, 2024
    Assignee: Massey University
    Inventors: Omid Taheri Qazvini, Shane Telfer
  • Patent number: 11826695
    Abstract: A gas separation system has system input inlet configured to receive a stream mixture including a target gas, one or more spray generators positioned to spray a non-sprayable liquid to change a concentration of the target gas in the non-sprayable liquid, one or more system outlets positioned to outlet an output material, wherein at least one of the system outlets outputs a material having a lower amount of the target gas than the input stream mixture, and a recirculating path connected to the one or more outputs and the input inlet to allow recirculation of the non-sprayable liquid. A method of performing gas separation includes absorbing a target gas from an input stream in a non-sprayable capture liquid, and releasing the target gas in an output gas stream by spraying the non-sprayable capture liquid into a heated volume using a spray generator.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: November 28, 2023
    Inventors: Mahati Chintapalli, Jerome Unidad, Kathryn F. Murphy, Ravi Neelakantan, Rahul Pandey, Stephen Matthew Meckler, David Mathew Johnson
  • Patent number: 11813566
    Abstract: Described herein are membrane processes for separating CO2 from flue gas. An exemplary process involves passing a fluid stream including the flue gas across a membrane permeable to CO2 and H2O, removing treated gas from a feed side of the membrane that has less CO2 than the flue gas, and removing permeate from a permeate side of the membrane comprising CO2 and H2O. Suitably, the permeate is removed at a sub-atmospheric vacuum pressure. The permeate is then cooled to remove at least some of the H2O from the permeate and form a smaller volume of H2O-depleted, CO2 enriched permeate.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: November 14, 2023
    Assignee: Membrane Technology and Research, Inc.
    Inventor: Richard W. Baker
  • Patent number: 11795843
    Abstract: A gas turbine plant includes a gas turbine, an exhaust line, an exhaust heat recovery boiler that generates steam due to heat of exhaust gas and guides the exhaust gas to the exhaust line, a carbon dioxide recovery device that recovers carbon dioxide contained in the exhaust gas, a heat exchanger that cools the exhaust gas to a temperature set in advance, and a circulation line that branches from a position between the carbon dioxide recovery device and the heat exchanger and is connected to an inlet of the gas turbine. The carbon dioxide recovery device has an absorption tower that absorbs carbon dioxide contained in the exhaust gas by causing the exhaust gas at the set temperature and an absorption liquid to come into contact with each other. The heat exchanger is formed of a material having higher corrosion resistance than a material forming the exhaust heat recovery boiler.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: October 24, 2023
    Inventors: Atsushi Tsutsumi, Tetsuya Tanaka, Naoyuki Nagafuchi, Takashi Kamijo
  • Patent number: 11731080
    Abstract: A two or particularly three-phase process, and corresponding apparatus, desulfurizes sour hydrocarbon gas, e.g., natural gas, generally better than known, using a fixed-bed, two-phase processes in terms of the amount of H2S scavenged and the breakthrough time of H2S. The three-phase process is effective in scavenging H2S at ambient temperature and pressure, using a copper salt catalyst impregnated on alumina or other generally inert support, which is regenerable.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: August 22, 2023
    Inventors: Sagheer A. Onaizi, Reyad Shawabkeh, Zuhair Omar Malaibari, Nabeel Salim Abu-Ghander
  • Patent number: 11691104
    Abstract: Disclosed are methods and systems for capturing carbon dioxide (CO2) from an input gas stream (e.g., flue gas from a combustion process). In particular, the system includes a CO2 absorption module that directs supersaturated CO2 process water to a CO2 recovery process. The CO2 recovery process includes a sparging seal vessel, followed by an agitator, followed by a stripper unit, followed by an outgassing tank, and lastly a membrane separator, configured to outgas CO2 from the supersaturated process water and direct the gaseous CO2 into a CO2 collection header.
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: July 4, 2023
    Assignee: Enviro Ambient Corporation
    Inventors: Andrew Verdouw, Sanjeev Jolly
  • Patent number: 11673804
    Abstract: Proposed is a process and a plant for production of pure carbon monoxide and hydrogen by steam reforming of hydrocarbons, preferably methane or naphtha, to afford a raw synthesis gas and subsequent, multistage workup, purification and fractionation of the raw synthesis gas to afford the target products, wherein the material streams obtained as by-products of the process chain are also to be advantageously utilized. This is achieved according to the invention by providing the recirculating compressor provided for recycling of the by-product material streams with a plurality of parallel, independently operable compressor stages.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: June 13, 2023
    Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
    Inventors: Jean-Philippe Tadiello, Yue Chen
  • Patent number: 11666853
    Abstract: Disclosed are a carbon dioxide absorbent composition in which an N-alkylaminoalkanol; a polyhydroxyamine-based compound; and ethylenediamine and/or diethylenetriamine are mixed, a method for preparing the same, and a method and an apparatus for carbon dioxide absorption/separation using the same. Since the carbon dioxide absorbent according to the present disclosure has superior carbon dioxide absorption capacity and remarkably lower absorbent recycling temperature as compared to the existing absorbents such as monoethanolamine, etc., total energy consumption in the capturing process can be reduced greatly. In addition, since carbon dioxide is recovered at low recycling temperature, contamination by water or absorbent vapor may be prevented.
    Type: Grant
    Filed: February 15, 2021
    Date of Patent: June 6, 2023
    Inventors: In Wook Nah, Jae Ik Kim, Soon Jong Kwak, In Hwan Oh, Daeseung Kyung, Youngjong Sim, Yeongmin Kim, Han-Guen Ahn, Sang-Ick Choi
  • Patent number: 11638897
    Abstract: The disclosure provides a method of treating flue gas that has one or more components. The method comprises passing a solution through both a magnetic field and an electric field to form an activated solution. The method also comprises contacting the activated solution with the flue gas so that the one or more components of the flue gas are at least partially absorbed by the activated solution to form a residue solution.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: May 2, 2023
    Inventor: Paul Steding
  • Patent number: 11612855
    Abstract: Disclosed are processes, apparatuses, and systems for Direct Air Carbon Capture utilizing waste heat from gas turbines and exhaust air from air cooled heat exchangers, such as in industrial facilities with sources of heat and using fans. The exhaust air from the air cooled heat exchangers may be used to drive one or more fans in one or more Direct Air Carbon Capture units. The waste heat—thus no electricity needed—may be used to regenerate the catalyst(s) in the Direct Air Carbon Capture units.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: March 28, 2023
    Inventors: Ivan Van der Walt, Ben Heichelbech, Vikrum Subra
  • Patent number: 11577198
    Abstract: Methods of sequestering CO2 from a gaseous source of CO2 are provided. Aspects of the methods include employing an alkali enrichment protocol, such as a membrane mediated alkali enrichment protocol, in a CO2 sequestration protocol. Also provided are systems for practicing the methods.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: February 14, 2023
    Assignee: Blue Planet Systems Corporation
    Inventors: Brent R. Constantz, Chris L. Camire, Jacob Schneider, Mark Bewernitz
  • Patent number: 11571658
    Abstract: An apparatus includes a housing that defines a first zone, a second zone, a third zone, and a fourth zone. The apparatus includes an inlet, a first outlet, a second outlet, and a conveyor belt. The inlet is configured to receive a carbon dioxide-containing fluid in the first zone. The first outlet is configured to discharge a carbon dioxide-depleted fluid from the first zone. The second outlet is configured to discharge a carbon dioxide-rich fluid from the third zone. The conveyor belt passes through each of the zones. The conveyor belt includes a carbon dioxide sorbent. Within the first zone, the carbon dioxide sorbent is configured to adsorb carbon dioxide from the carbon dioxide-containing fluid to produce the carbon dioxide-depleted fluid. Within the third zone, the carbon dioxide sorbent is configured to desorb the captured carbon dioxide to produce the carbon dioxide-rich fluid.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: February 7, 2023
    Assignee: Saudi Arabian Oil Company
    Inventors: Mourad Younes, Aqil Jamal
  • Patent number: 11571652
    Abstract: The present invention is directed to a method and system of purifying hydrogen supplied from a storage cavern, particularly to removing methane and other hydrocarbons from the hydrogen withdrawn from the cavern by using selective adsorption. The adsorbed impurities can be removed from the adsorbent by increasing the temperature, reducing the pressure, or a combination of both.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: February 7, 2023
    Inventors: Minish Mahendra Shah, Joseph M. Schwartz, Marian Simo, Paul R. Munsterman, Werner Leitmayr, Keith A. Craigie, Ana Arevalo-Hidalgo, Olivier Dube
  • Patent number: 11484827
    Abstract: Disclosed are processes, apparatuses, and systems that can be used in natural gas pipelines to significantly reduce the CO2 emissions of the natural gas pipelines, by capturing combusted flue gas which is normally wasted and putting it back to the pipelines, which can also be monetized (e.g., carbon credits). One example process may include producing a captured CO2 stream from a combustion gas of a gas turbine in a natural gas pipeline, compressing the captured CO2 stream, and combining the compressed CO2 stream with natural gas transported in the natural gas pipeline.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: November 1, 2022
    Inventors: Ivan Van der Walt, Ben Heichelbech, Vikrum Subra, Connor Rivard
  • Patent number: 11420150
    Abstract: An aminated magnesium oxide adsorbent, which is the reaction product of a magnesium oxide matrix having disordered mesopores and an amino silane, wherein amine functional groups are present on an external surface and within the disordered mesopores of the magnesium oxide matrix, and wherein the aminated magnesium oxide adsorbent has an average pore volume of 0.2 to 0.4 cm3/g. A method of making the aminated magnesium oxide adsorbent and a method of capturing CO2 from a gas mixture with the aminated magnesium oxide adsorbent are also described.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: August 23, 2022
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Sagheer A. Onaizi, Ali M. Alkadhem
  • Patent number: 11414962
    Abstract: Systems and methods are described for sequestering carbon stored in organic matter while minimizing the release of carbon dioxide (CO2) and methane (CH4) into the atmosphere, with the carbon (C) being stored as char or coal through the coalification process. Organic matter will be moved to submarine hydrothermal vent fields where the extreme heat in the water will drastically accelerate the degradation of the material and destroy microbes that normally consume the organic material and release the carbon as CO2 or CH4. The oxygen level in the heated water around the vents is extremely low. The water surrounding these vents can reach temperatures of 400° C. (750° F.). Exemplary implementations may include constructing hydrothermal borehole vents to harness the energy continuously released from the Earth's core in the form of volcanic heat.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: August 16, 2022
    Inventor: Frederick William MacDougall
  • Patent number: 11331625
    Abstract: A gas treatment method includes an absorption step in which a gas to be treated containing an acidic compound, such as carbon dioxide, is brought into contact, in an absorber, with a treatment liquid that absorbs the acidic compound; and a regeneration step in which the treatment liquid, having the acidic compound absorbed therein, is sent to a regenerator, and the treatment liquid is then heated to separate the acidic compound from the treatment liquid. In the regeneration step, a gas almost insoluble to the treatment liquid, such as hydrogen gas, is brought into contact with the treatment liquid.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: May 17, 2022
    Assignees: Kobe Steel, Ltd., National University Corporation Tokai National Higher Education and Research System
    Inventors: Akira Kishimoto, Katsuya Akiyama, Hiroshi Machida, Tsuyoshi Yamaguchi, Takehiro Esaki, Koyo Norinaga
  • Patent number: 11311835
    Abstract: A method for capturing carbon dioxide (CO2) from an effluent gas using a rice-derived product can include providing a rice-derived product, adjusting a pH of the rice-derived product; and contacting the effluent gas with the rice-derived product to capture the carbon dioxide from the effluent gas mixture in the rice-derived product. In an embodiment, the rice-derived product includes puffed rice grains. In an embodiment, the rice-derived product includes a rice cake. In an embodiment, the rice-derived product is loaded into a gas contact device prior to contacting withe the effluent gas.
    Type: Grant
    Filed: July 18, 2021
    Date of Patent: April 26, 2022
    Inventors: Ameera Fares Rasheed Mohammad, Abeer Fuad Othman Dar Saleh, Maatouk Khoukhi, Ali H. Al-Marzouqi
  • Patent number: 11305229
    Abstract: The present development is a method for capturing and purifying CO2 from a flue gas stream using a metal aluminate nanowire absorbent and then regenerating the absorbent. After the CO2 is adsorbed into the absorbent, the adsorbent is regenerated by subjecting the CO2 saturated adsorbent to a dielectric barrier discharge plasma or to a microwave plasma or to a radio frequency (RF) plasma while ensuring that the external temperature does not exceed 200° C.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: April 19, 2022
    Inventors: Juan He, Tu Nguyen, Mahendra Sunkara
  • Patent number: 11305228
    Abstract: The present invention provides a new method for fixing carbon dioxide. The method for fixing carbon dioxide of the present invention includes a contact step of bringing a mixed liquid containing sodium hydroxide and further containing at least one of a chloride of a Group 2 element or a chloride of a divalent metal element into contact with a gas containing carbon dioxide.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: April 19, 2022
    Assignees: SHINKO SANGYO Co., Ltd.
    Inventor: Kenji Sorimachi
  • Patent number: 11247940
    Abstract: A manufacturing process of a concrete product includes: (1) extracting calcium from solids as portlandite; (2) forming a cementitious slurry including the portlandite; (3) shaping the cementitious slurry into a structural component; and (4) exposing the structural component to carbon dioxide sourced from a flue gas stream, thereby forming the concrete product.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: February 15, 2022
    Assignees: The Regents of the University of California, Arizona Board of Regents
    Inventors: Gaurav Sant, Laurent G. Pilon, Bu Wang, Narayanan Neithalath, Zhenhua Wei, Benjamin Young, Gabriel D. Falzone, Dante Simonetti
  • Patent number: 11219860
    Abstract: A method of scrubbing a gas, such as flue gas or exhaust gas, comprising carbon dioxide to deplete the gas of carbon dioxide (CO2), the method comprising the steps of: scrubbing the gas in a scrubber (210) with a first alkaline, aqueous scrubbing liquid to dissolve carbon dioxide (CO2) as hydrogen carbonate (HCO3?) and/or as carbonate (CO32?) in the first alkaline, aqueous scrubbing liquid, thereby providing a first spent aqueous scrubbing liquid comprising hydrogen carbonate (HCO3?) and/or carbonate (CO32?), the first spent aqueous scrubbing liquid having a pH from about 7 to about 9; feeding the first spent aqueous scrubbing liquid to an anode chamber of an electrolytic cell (310) comprising the anode chamber (313) and a cathode chamber (312) separated by a membrane (311); regenerating the first spent aqueous scrubbing liquid in the electrolytic cell (310) by electrolysis, the electrolysis increasing the pH of the first spent aqueous scrubbing liquid in the cathode chamber (312), the electrolysis further
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: January 11, 2022
    Assignee: ESTECH A/S
    Inventor: Jan Stougaard Jakobsen
  • Patent number: 11179698
    Abstract: Polymeric sorbents for carbon dioxide are provided. More particularly, the polymeric sorbents are a reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. The nitrogen-containing compound is covalently attached to the polymeric sorbents. Additionally, methods of sorbing carbon dioxide on the polymeric sorbents and compositions resulting from sorbing carbon dioxide on the polymeric sorbents are provided. The polymeric sorbents typically are porous and can selectively remove carbon dioxide from other gases such as methane or hydrogen.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: November 23, 2021
    Assignee: 3M Innovative Properties Company
    Inventors: Michael S. Wendland, Michael W. Kobe
  • Patent number: 11167261
    Abstract: The present invention relates to a carbon dioxide absorbent used for absorbing carbon dioxide, a carbon dioxide absorbent composition used for producing the carbon dioxide absorbent, and a solid raw material for a carbon dioxide absorbent included in the carbon dioxide absorbent.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: November 9, 2021
    Inventors: Joong Beom Lee, Tae Hyoung Eom, Hyun Geun Jo, Jeom In Baek, Ui Sik Kim
  • Patent number: 11083995
    Abstract: A process to treat/clean a gas, containing SO2, CO2 and O2 comprising the steps of: bringing the gas in contact with an activated carbon catalyst, converting SO2 to SO3/H2SO4 on the activated carbon catalyst, washing the SO3/H2SO4 from the activated carbon catalyst to obtain a sulfuric acid solution and a SO2 depleted gas; bringing the SO2 depleted gas in contact with an aqueous ammonia solution wherein CO2 is converted to obtain a SO2 and CO2 depleted gas containing ammonia; and bringing the SO2 and CO2 depleted gas containing ammonia in contact with the sulfuric acid solution obtained in step a. to form a solution containing ammonium sulfate and a treated, clean gas.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: August 10, 2021
    Inventor: Alain Strickroth
  • Patent number: 10994261
    Abstract: The present disclosure provides novel solid sorbents synthesized by the reaction of polyamines with polyaldehyde phosphorous dendrimer (P-dendrimer) compounds. The sorbents are highly stable and exhibit rapid reaction kinetics with carbon dioxide, making the sorbents applicable for carbon capture, and can be easily regenerated for further use. The material is stable to aqueous and organic media, as well as strong acid and bases. The sorbent maintains full capacity over extended use. The material can be used for CO2 capture from pure CO2 streams, mixed gas streams, simulated flue gas, and ambient air. Additionally, the material can be adhered to surfaces for reversible CO2 capture applications outside of bulk particle-based processes.
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: May 4, 2021
    Inventors: Samuel John Thompson, III, Mustapha Soukri
  • Patent number: 10987624
    Abstract: The present disclosure relates to a flue gas treatment system (e.g. a multi-pollutant flue gas treatment system) for removal of greenhouse gases such as SO2, NO, NO2, H2S, HCl, water and CO2 as well as heavy metals (e.g. mercury, arsenic, bismuth, cadmium, lead and/or selenium) from the flue gases of fossil-fueled utility and industrial plants by reacting the raw flue gas, firstly, with chlorine in a gas-phase oxidation reaction and recovering the resulting products as marketable products, and then, secondly, treating the cleaned gas, which includes CO2, with a Sabatier reaction to produce a hydrocarbon fuel (e.g. methane). The system also includes an electrolytic unit for electrolyzing HCl to produce hydrogen gas for the Sabatier reaction as well as chlorine gas, which may then be recycled into the reactor.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: April 27, 2021
    Inventor: Barbara Mueller
  • Patent number: 10940432
    Abstract: Disclosed is a process for regenerating a hybrid solvent used to remove contaminants from a fluid stream and to provide an improved yield of purified fluid. Said process comprises at least two purification units and at least one regeneration unit wherein regenerated lean hybrid solvent and condensed water from the regeneration unit is used to reclaim additional purified fluid in the second purification unit.
    Type: Grant
    Filed: April 19, 2017
    Date of Patent: March 9, 2021
    Assignee: Dow Global Technologies LLC
    Inventors: John R. Dowdle, Timothy D. Halnon, Christophe R. Laroche, Diego Ortiz Vega, Linda L. Pirtle, Gerardo Padilla
  • Patent number: 10937707
    Abstract: A wiring substrate includes an insulating substrate that is square in plan view, the insulating substrate having one main surface with a recess and an other main surface opposite to the one main surface, and external electrodes located on the other main surface of the insulating substrate and in a peripheral section of the insulating substrate. The external electrodes include first external electrodes and second external electrodes. In plan view, the first external electrodes are located at corners of the insulating substrate, and the second external electrodes are interposed between the first external electrodes. Each of the first external electrodes has a smaller area and a larger width in a direction orthogonal to each side of the insulating substrate than each of the second external electrodes.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: March 2, 2021
    Assignee: Kyocera Corporation
    Inventor: Hiroshi Kawagoe
  • Patent number: 10919016
    Abstract: A system and method of using the system for controlling oxidation of sulfites to reduce total nitrite and nitrate levels in a slurry is disclosed. The system includes a tank having an inlet for receiving a slurry produced in a wet flue gas desulfurization process. The tank also includes an inlet for receiving a gas. The inlet for receiving the gas is operable to disperse at least a portion of the gas received in the tank through at least a portion of the slurry received in the tank. A sensor is configured to measure a sulfite concentration of the slurry received in the tank to obtain a sulfite concentration measurement. In some embodiments, the sensor is a sulfite analyzer. In other embodiments, the sensor is a virtual analyzer. The system also includes a controller. Software executing on the controller generates an electronic signal affecting an adjustment of a flow rate of gas into the slurry in the tank based at least in part on the sulfite concentration/sulfite concentration measurement.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: February 16, 2021
    Inventor: Raymond Raulfs Gansley
  • Patent number: 10851321
    Abstract: Techniques for removing sulfur compounds from a sulfur-containing gas stream can include contacting the gas with an absorption solution comprising a metal cation capable of reacting with the sulfur compound to form a metal sulphide precipitate and/or a metal mercaptide precipitate. In addition, the treatment can include controlling a concentration of the precipitates below a threshold to maintain rheological properties; subjecting the precipitate-enriched solution to vitalization; subjecting the precipitate-enriched solution to regeneration including oxidation; and/or other features to enhance the sulfur removal operations.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: December 1, 2020
    Inventors: Geert Frederik Versteeg, Wouter Nicolaas Wermink
  • Patent number: 10773206
    Abstract: A CO2 recovery apparatus includes: an absorption tower configured to remove CO2 in an exhaust gas by contacting with a CO2 absorption liquid containing an absorption agent; a regeneration tower for regenerating the CO2 absorption liquid from the absorption tower; a reflux water drum for separating CO2 gas released from the regeneration tower into CO2 gas and condensed water; a first cleaning device installed in a gas-phase part of the regeneration tower and configured to remove the absorption agent contained in the CO2 gas flowing through the gas-phase part, by using a first cleaning liquid containing at least the condensed water from the reflux water drum or a water obtained from the condensed water; and a control device configured to adjust a supply amount of the first cleaning liquid to the first cleaning device so that a concentration of the absorption agent in the condensed water is maintained to be not greater than a predetermined value.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: September 15, 2020
    Assignee: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventors: Osamu Miyamoto, Takashi Kamijo, Tatsuya Tsujiuchi
  • Patent number: 10751664
    Abstract: An energy-efficient method of removing carbon dioxide, hydrogen sulfide, and other acid gases from a stream of flue gases. The flue stream is contacted with a predetermined sorbent system to remove acid gases from the flue stream. The acid gas-rich sorbent is then heated to desorb the acid gas for capture and regenerate the sorbent. Heat exchangers and heat pumps are used to reduce utility steam and/or cooling water consumption.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: August 25, 2020
    Assignee: Virginia Tech Intellectual Properties, Inc.
    Inventors: Stuart J. Higgins, Yih-An Liu, Yueying Yu
  • Patent number: 10696561
    Abstract: A method for treatment of process condensate (1) in an ammonia plant, wherein the ammonia plant comprises a front-end section producing a make-up gas and a synthesis section where the make-up gas is reacted to ammonia, and said process condensate (1) is collected from one or more equipment of the ammonia plant and is an aqueous solution comprising ammonia, carbon dioxide and methanol. Said method comprises: stripping said process condensate with low-pressure steam (4), obtaining a vapour phase (5) comprising ammonia, carbon dioxide and methanol stripped from the process condensate; condensing said vapour phase, obtaining a solution (11) enriched of ammonia and methanol; re-introducing a first portion (12) of said solution to said stripping environment; recycling a second portion (13) of said solution to said ammonia plant.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: June 30, 2020
    Assignee: Casale SA
    Inventors: Sergio Panza, Luca Pasco
  • Patent number: 10668733
    Abstract: The present invention relates to vessels comprising a formulation including at least one organic semiconductor, wherein the formulation is in contact with at least one absorption material. The invention further describes a process for producing the vessel and for the use thereof.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: June 2, 2020
    Assignee: Merck Patent GmbH
    Inventors: Volker Hilarius, Edgar Boehm, Juliane Suermann, Mark John Goulding, Leticia Garcia Diez
  • Patent number: 10507425
    Abstract: An environmental control system includes an air conditioning subsystem; a mix manifold downstream of the air conditioning subsystem and upstream of an environment to be conditioned; and a contaminant removal subsystem downstream of the environment to be conditioned. The contaminant removal subsystem includes a first gas-liquid contactor-separator. The first gas-liquid contactor-separator includes a first packed, stationary bed that provides a heat/mass transfer surface for contact between a contaminated air from the environment and a liquid absorbent.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: December 17, 2019
    Inventors: Phoebe Henson, Stephen Yates, Dacong Weng, Alexander Bershitsky, Ted Bonk
  • Patent number: 10450204
    Abstract: A system, for recycling production salt water from an oil well, may include a salt water inlet valve configured to receive salt water; a separation tank configured to receive the salt water from the salt water inlet valve; a burner tube located within the separation tank that is configured to pass hot gas through the separation tank and boil the salt water; a steam exhaust configured to release steam produced by the separation tank; and a salt valve configured to release salt produced by the separation tank.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: October 22, 2019
    Inventor: J. Keith Betts
  • Patent number: 10392917
    Abstract: Identifying geographical uses, other than disposal for produced water that is recovered from a well and establishing methods and systems for recovering and handling this water. The produced water is treated so as to render the produced water suitable for solution mining. The produced water is transported to a solution mining site and the produced water is utilized at the solution mining site.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: August 27, 2019
    Inventors: Katherine N. Zimmerman Frisby, Patti Yoast
  • Patent number: 10322371
    Abstract: Methods of sequestering carbon dioxide (CO2) are provided. Aspects of the methods include contacting an aqueous capture ammonia with a gaseous source of CO2 under conditions sufficient to produce an aqueous ammonium carbonate. The aqueous ammonium carbonate is then combined with a cation source under conditions sufficient to produce a solid CO2 sequestering carbonate and an aqueous ammonium salt. The aqueous capture ammonia is then regenerated from the from the aqueous ammonium salt. Also provided are systems configured for carrying out the methods.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: June 18, 2019
    Assignee: Blue Planet, Ltd.
    Inventors: Brent R. Constantz, Jacob Schneider, Mark Bewernitz
  • Patent number: 10315154
    Abstract: The present invention relates to a method for recovering carbon dioxide from an absorbent rich on gaseous carbon dioxide, in which the energy used for separation of absorbent and carbon dioxide in a stripping column is reduced by using two stripper columns having different operating pressures and recycling heat transfer fluid from the stripper off gas in an energy efficient manner.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: June 11, 2019
    Assignee: Union Engineering A/S
    Inventors: Rasmus Find, Jan Flensted Poulsen
  • Patent number: 10300430
    Abstract: A composite material for gas capture, notably CO2 capture and storage. The composite material includes a mixture of a solid or liquid reactive filler and a gas-permeable polymer such that the reactive filler forms micron-scale domains in the polymer matrix.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: May 28, 2019
    Assignee: Lawrence Livermore National Security, LLC
    Inventors: Du T. Nguyen, Roger D. Aines, Sarah E. Baker, William L. Bourcier, Eric B. Duoss, James S. Oakdale, Megan M. Smith, William L. Smith, Joshuah K. Stolaroff, Congwang Ye
  • Patent number: 10227901
    Abstract: One embodiment relates to a methanation method comprising the conversion into methane (CH4) of CO2, in particular CO2 gas, originating from, in particular diverted or obtained from, power plant flue gas from a power plant fired with carbon-containing fuel, in particular carbon-containing gas, and having a connected water/steam circuit, said method being performed in a methanation plant. Some embodiments provide a solution that makes it possible to couple a power plant and a methanation plant to one another in an energetically favorable manner.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: March 12, 2019
    Assignee: Mitsubishi Hitachi Power Systems Europe GMBH
    Inventors: Christian Bergins, Torsten Buddenberg, Emmanouil Kakaras
  • Patent number: 10213729
    Abstract: Method of decarbonating a hydrocarbon gas, a natural gas for example, by washing with a solvent. Said gas is contacted with an absorbent solution so as to obtain a CO2-depleted gas and a CO2-laden absorbent solution. The CO2-laden absorbent solution is then heated and expanded at a predetermined pressure and temperature so as to release a hydrocarbon-containing gaseous fraction and to obtain a hydrocarbon-depleted absorbent solution, said pressure and temperature being so selected that said gaseous fraction comprises at least 50% of the hydrocarbons contained in said CO2-laden absorbent solution and at most 35% of the CO2 contained in said CO2-laden absorbent solution. Finally, the hydrocarbon-depleted absorbent solution is thermally regenerated so as to release a CO2-rich gaseous effluent and to obtain a regenerated absorbent solution.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: February 26, 2019
    Inventors: Sebastien Gonnard, Nicolas Laloue, Agnes Leroy, Gauthier Perdu
  • Patent number: 10213734
    Abstract: A method of increasing the overall mass transfer rate of acid gas scrubbing solids is disclosed. Various catalyst compounds for that purpose are also disclosed.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: February 26, 2019
    Inventors: Joseph E. Remias, Cameron A. Lippert, Kunlei Liu
  • Patent number: 10183865
    Abstract: An apparatus and a combined process for carbon dioxide gas separation, combining the hydrate-based process with the chemical absorption process, which reduces secondary pollution and allows the efficient continuous separation of carbon dioxide gas without increasing the pressure and thereby the operating cost is reduced significantly. The apparatus and combined process can be applied in the separation of carbon dioxide in IGCC synthetic gas, natural gas and biogas, and address the issues of the existing processes such as high energy consumption, low throughput, and secondary pollution.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: January 22, 2019
    Inventors: Xiaosen Li, Chungang Xu, Yisong Yu, Zhaoyang Chen, Ningsheng Huang, Gang Li
  • Patent number: 10150926
    Abstract: A plant comprises a feed gas source, H2S removal unit, first absorber and a second, pressure reduction stages, first and second heat exchangers, stripping unit, and a conduit. The H2S removal unit selectively removes H2S from a feed gas from the feed gas source to produce an H2S depleted feed gas. The first absorber and the second absorber remove CO2 from the H2S depleted feed gas using a semi-lean and an ultralean solvent to produce a product gas and a rich solvent. The plurality of pressure reduction stages generates a cooled flashed solvent. The first heat exchanger and the second heat exchanger use the cooled flashed solvent to cool the H2S depleted feed gas and the semi-lean solvent. The stripping unit strips the flashed solvent with dried air to produce the ultralean solvent, and the conduit combines a portion of the ultralean solvent with the H2S depleted feed gas.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: December 11, 2018
    Assignee: Fluor Technologies Corporation
    Inventor: John Mak
  • Patent number: 10144001
    Abstract: This application is in the field of technologies for desulfurization and demercaptanization of raw gaseous hydrocarbons (including natural gas, tail gas, technological gas, etc, including gaseous media). It can be used for simultaneous dehydration and desulfurization/demercaptanization of any kind of raw gaseous hydrocarbons.
    Type: Grant
    Filed: July 4, 2016
    Date of Patent: December 4, 2018
    Inventors: Liudmila Aleksandrovna Tyurina, Alexander Ivanovich Tyurin, Irina Gennadievna Tarkhanova, Alexey Aleksandrovich Tyurin