Patents Examined by Timothy C Vanoy
  • Patent number: 11224835
    Abstract: This disclosure provides a method for treating natural gas comprising causing at least some of a sour natural gas stream comprising hydrocarbon gas and hydrogen sulfide to contact an amine or pass through a separation system. A sweet natural gas stream comprising hydrocarbon gas and a waste gas stream comprising hydrogen sulfide are formed by contacting the sour natural gas with an amine or by passing it though a separation device. At least some of the hydrogen sulfide in the waste gas stream is oxidized, forming an exhaust gas stream comprising sulfur dioxide, which is then contacted with water or reactant and water solution or slurry to destroy or convert SO2 into a less environmentally harmful compound.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: January 18, 2022
    Assignee: Fisher AGC, LLC
    Inventor: John Fisher George, III
  • Patent number: 11225411
    Abstract: A method for producing insoluble sulfur, including: heating a sulfur to 200-700° C., quenching it with water, aqueous solution and other solvents, drying and solidifying the resulting substance at 40-80° C. for 3-15 h, to obtain an insoluble sulfur crude product; crushing the crude product in water into particles with a particle size of 50-400 meshes, wherein the water temperature is not higher than 80° C.; pumping the slurry of water and crude product into the upper part of an extraction column, pumping solvent into the lower part thereof; making the water and solvent from the top of the column flow into a separation tank to separate water phase and solvent phase, heating and evaporating the solvent phase to recover solvent and obtain soluble sulfur; heating and evaporating the insoluble sulfur and solvent from the bottom of the column to recover solvent and obtain purified insoluble sulfur.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: January 18, 2022
    Assignee: China University of Petroleum (East China)
    Inventors: Yanzhen Wang, Chunmin Song, Hongling Duan, An Zhang, Li Gao
  • Patent number: 11224862
    Abstract: A reference material for performance evaluation of a catalyst of a selective catalytic reduction includes a ceramic carrier and a coating material that coats the ceramic carrier. The coating material includes copper (Cu), alumina (Al2O3), and silica (SiO2). A method of preparing the reference material includes mixing copper (Cu) and an acidic solution to prepare a copper-containing solution, mixing the copper-containing solution, alumina, and silica to prepare a mixture, and coating the mixture on the ceramic carrier, and drying and baking the mixture coated on the ceramic carrier.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: January 18, 2022
    Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventor: Sang Nam Lee
  • Patent number: 11224838
    Abstract: Controlling aerosol production during absorption in ammonia-based desulfurization. The absorption reaction temperature, the oxygen content and water content of the process gas may be controlled, and an absorption circulating liquid containing ammonium sulfite may be used for removing sulfur dioxide in flue gas, so as to control aerosol production during absorption in the ammonia-based desulfurization.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: January 18, 2022
    Assignee: Jiangnan Environmental Protection Group Inc.
    Inventors: Jing Luo, Yongying Luo, Jinyong Wang
  • Patent number: 11224861
    Abstract: The present invention relates to a three-way catalyst (TWC) for treatment of exhaust gases from internal combustion engines operated with a predominantly stoichiometric air/fuel ratio, so called spark ignited engines.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: January 18, 2022
    Assignee: UMICORE AG & CO. KG
    Inventors: Masashi Nakashima, John G. Nunan, Ryan J. Andersen
  • Patent number: 11224863
    Abstract: An oxygen storage material (OSM) that exhibits enhanced redox properties, developed mesoporosity, and a resistance to sintering. The oxygen storage material (OSM) has a high oxygen storage capacity (i.e., OSC>1.5 mmol H2/g) and enhanced reducibility (i.e., bimodal TPR-H2 profile with two Tmax in the temperature range from 150° C. to 550° C.). The OSM is suitable for use as a catalyst and a catalyst support. The method of making the oxygen storage material comprises the preparation of a solution containing zirconium, cerium, rare earth and transition metal salts, followed by the co-precipitation of all constituent metal hydroxides with a base.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: January 18, 2022
    Assignee: Pacific Industrial Development Corporation
    Inventors: Anatoly Bortun, Mila Bortun, David Shepard, Yunkui Li, Jin Cho, Wei Wu, Jeffery Lachapelle
  • Patent number: 11213787
    Abstract: The present disclosure is directed to the use of elemental or speciated iodine and bromine to control total mercury emissions.
    Type: Grant
    Filed: October 12, 2020
    Date of Patent: January 4, 2022
    Assignee: ADA-ES, Inc.
    Inventors: Sharon Sjostrom, Connie Senior, Jon Lagarenne, Kenneth E. Baldrey, Ramon Bisque, Michael D. Durham, Nina Bergan French
  • Patent number: 11213788
    Abstract: A method for flue gas denotation includes the step of, in the presence of ammonia, enabling flue gas in a denitration reactor to pass through a plurality of catalyst beds from the bottom to the top to participate in a denitration reaction. Each catalyst bed contains a catalyst support component and a granular denitration catalyst stacked on the catalyst support component, and, in every single catalyst bed, the granular denitration catalyst moves along a same direction on the catalyst support component. Between every two adjacent catalyst beds, the granular denitration catalyst falls from the tail of a previous catalyst support component to the head of a next catalyst support component, making the granular denitration catalyst travel along the catalyst support components reciprocatively.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: January 4, 2022
    Assignees: China Petroleum & Chemical Corporation, Fushun Research Institute of Petroleum and Petrochemicals, SINOPEC CORP.
    Inventors: Xin Li, Shuhe Liu, Tianzhu Han, Mingxing Wang
  • Patent number: 11214489
    Abstract: A method and a facility for wet-scrubbing sulfur dioxide to produce, for example, potassium thiosulfate or ammonium thiosulfate. The facility includes a multi-section vessel having multiple horizontally disposed stages where a preceding stage passes partially-scrubbed waste gas to a succeeding stage. Each stage has a scrubber mechanism to scrub waste gas with circulating fluid that successively reduces waste gas concentration before atmospheric discharge. The scrubber mechanism may include a packing to facilitate absorption of waste gas by the fluid, a sump disposed at the output of the stage to receive fluid as it drains from the packing, and a circulation pump to circulate fluid from the sump to its packing and to cascade at least a portion of the fluid back to a preceding stage. A portion of the fluid is extracted from the facility and reacted in a reaction vessel with a cation to produce ammonium thiosulfate or potassium thiosulfate.
    Type: Grant
    Filed: November 28, 2020
    Date of Patent: January 4, 2022
    Assignee: Ceres Technology, LLC
    Inventors: Francine D'Angelo, Joan Wright Manley
  • Patent number: 11214490
    Abstract: A method of wet-scrubbing a waste gas containing sulfur dioxide (SO2) to produce potassium thiosulfate. The wet-scrubbing facility includes multiple horizontally disposed stages where a preceding stage passes partially-scrubbed waste gas to a succeeding stage. Each stage has a scrubber mechanism to scrub waste gas with circulating fluid that progressively reduces SO2 in the waste gas before atmospheric discharge. The scrubber mechanism may optionally include a packing material to facilitate absorption of SO2 by the fluid, a sump disposed at the output of the stage to receive fluid as it drains from the packing, and a circulation pump to circulate fluid from the sump to its packing and to cascade at least a portion of the fluid back to a preceding stage. A portion of the fluid is extracted and reacted in a reaction vessel with a cation to produce potassium thiosulfate.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: January 4, 2022
    Assignee: Ceres Technology, LLC
    Inventors: Francine D'Angelo, Joan Wright Manley
  • Patent number: 11213784
    Abstract: Provided herein a process for purification of an ionic liquid from heavy metals, comprising combining heavy metal-containing ionic liquid and a sulfide source to form heavy metal sulfide, and separating said heavy metal sulfide from the ionic liquid.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: January 4, 2022
    Assignee: Clairion Ltd.
    Inventors: Zach Barnea, Eyal Barnea, Sarit Yadid
  • Patent number: 11209165
    Abstract: An exhaust gas treatment device includes an exhaust gas line through which a combustion exhaust gas discharged from a power generation facility flows, a waste heat recovery boiler recovering waste heat of the combustion exhaust gas, a branch exhaust gas line provided to be connected between a front stage and a downstream stage of the waste heat recovery boiler on a main exhaust gas line, a nitrogen oxide removal unit removing nitrogen oxide in an integrated combustion exhaust gas into which a combustion exhaust gas flowing through the main exhaust gas line and a combustion exhaust gas flowing through the branch exhaust gas line are integrated, an integrated waste heat recovery boiler recovering waste heat of the integrated combustion exhaust gas from which nitrogen oxide has been removed, and a CO2 recovery unit recovering CO2 in the integrated combustion exhaust gas.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: December 28, 2021
    Assignee: Mitsubishi Heavy Industries Engineering, Ltd.
    Inventors: Hiroshi Tanaka, Takuya Hirata, Takashi Kamijo, Tatsuya Tsujiuchi
  • Patent number: 11207671
    Abstract: The invention relates to mixtures containing basic anion exchangers and flow regulators, the use thereof for the adsorption of acidic gases and of carbon dioxide in particular, a process for continuous gas adsorption, and heat exchangers that contain the mixtures containing basic anion exchangers and flow regulators.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: December 28, 2021
    Assignee: LANXESS Deutschland GmbH
    Inventors: Christian Ochsmann, Stefan Neumann
  • Patent number: 11207642
    Abstract: The present invention provides catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: December 28, 2021
    Assignee: Johnson Matthey Public Limited Company
    Inventors: John Goodwin, Sarah Warren
  • Patent number: 11202988
    Abstract: A desulfurization gas process includes water vapor, CO2 and SOx (x=2 and/or 3). In a treatment unit, the gas contacts a cooled alkaline aqueous solution having a temperature lower than an initial gas temperature, water and a carbonate of an alkali metal, to cool the gas, condense some water vapor and absorb SOx in the carbonate-containing solution, produce an SOx-depleted gas and an acidic aqueous solution including sulfate and/or sulfite ions. The SOx-depleted gas and a portion of the acidic aqueous solution can then be withdrawn from the treatment unit. Carbonate of the alkali metal can be added to remaining acidic aqueous solution to obtain a made-up alkaline aqueous solution. This solution can be cooled and reused as the cooled alkaline aqueous solution. An SOx absorbent solution includes a bleed stream from a CO2-capture process, sodium or potassium carbonate, and an acidic aqueous solution obtained from desulfurization.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: December 21, 2021
    Assignee: SAIPEM S.P.A.
    Inventors: Sylvain Lefebvre, Richard Surprenant, Ferrere Clerveaux, Gabriel Veilleux, David Zhang
  • Patent number: 11202992
    Abstract: A nitric acid production process, comprising tertiary abatement of N2O and NOx on a tail gas withdrawn from an absorption stage, said abatement including passing the tail gas over a sequence of a deN2O stage comprising a Fe-z catalyst and a deNOx stage comprising a V2O5-TiO2 catalyst in the presence of gaseous ammonia, wherein the tail gas at the inlet of deN2O stage and the tail gas at the inlet of deNOx stage have a temperature greater than 400° C.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: December 21, 2021
    Assignee: Casale SA
    Inventors: Iacopo Cerea, Giada Franceschin, Raffaele Ostuni
  • Patent number: 11203527
    Abstract: The invention provides a unique, efficient and cost-effective process for the recovery of acid from acid-rich solutions. The process of the invention utilizes a strong oxidizer, such as Caro's acid, to disintegrate or render insoluble organic or inorganic materials such as carbohydrates and complexes thereof contained in acid-rich solutions, to make efficient and simple the separation and recovery of the acid solution. The acid recovered thus obtained is free of organic matter, and containing nearly all of the acid originally contained in the acid-rich solution.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: December 21, 2021
    Assignee: MELODEA LTD.
    Inventors: Shaul Lapidot, Clarite Azerraf, Inbar Kremer
  • Patent number: 11199117
    Abstract: The disclosure provides a monolithic wall-flow filter catalytic article including a substrate having an aspect ratio of from about 1 to about 20, and having a functional coating composition disposed on the substrate, the functional coating composition including a first sorbent composition, an oxidation catalyst composition, and optionally, a second sorbent composition. The monolithic wall-flow filter catalytic article may be in a close-coupled position close to the engine. The disclosure further provides an integrated exhaust gas treatment system including the monolithic wall-flow filter catalytic article and may additionally include a flow-through monolith catalytic article. The flow-through monolith catalytic article includes a substrate having a selective catalytic reduction (SCR) coating composition disposed thereon.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: December 14, 2021
    Assignee: BASF Corporation
    Inventors: Shiang Sung, Torsten Neubauer, Pushkaraj Patwardhan
  • Patent number: 11198092
    Abstract: This invention provides a continuous liquid phase type wet exhaust gas treatment method for removing sulfur oxides from exhaust gas and collecting it as gypsum, which method is simple and humidifying liquid is uniformly sprayed into exhaust gas with it. The method is characterized in that humidifying liquid is injected downwardly in a region where exhaust gas flows vertically downwardly.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: December 14, 2021
    Assignee: CHIYODA CORPORATION
    Inventors: Kazuya Kumagai, Hironobu Marukawa
  • Patent number: 11198828
    Abstract: A process and method for removing hydrogen sulfide from a gas and regenerating ferric ions consumed in the hydrogen sulfide scrubbing process at low pH. A two-scrubber regenerative chemical scrubbing system for removing hydrogen sulfide from a gas that provides an economical system for removing hydrogen sulfide from a gas at low pH without the need for chelating agents. An oxide of manganese is used as a catalyst to enhance the regeneration of ferric ions in an aqueous solution under acidic conditions in the presence of oxygen. The process may further include contacting the aqueous solution with a second gas comprising air to replenish the dissolved oxygen in the aqueous solution. The regenerated solution comprising ferric ions can be reused to treat additional hydrogen sulfide containing gases.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: December 14, 2021
    Assignees: BIONOMIC INDUSTRIES INC., UNIVERSITY OF MASSACHUSETTS
    Inventors: Chen-Lu Yang, Kumari I. Kaushik, John Enhoffer