Patents Examined by Syed T Iqbal
  • Highly selective carbon monoxide adsorbent and method of preparing the same
    Patent number: 11059022
    Abstract: A highly selective carbon monoxide adsorbent and a method of preparing the highly selective carbon monoxide adsorbent are provided. The highly selective carbon monoxide adsorbent includes a boehmite or pseudo-boehmite in which a copper compound is dispersed.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: July 13, 2021
    Assignee: KOREA INSTITUTE OF ENERGY RESEARCH
    Inventors: Kanghee Cho, Sang Sup Han, Taesung Jung, Hee Tae Beum, Jong Nam Kim, Jungsu Kim
  • Catalyst carrier for dry reforming processes
    Patent number: 11059720
    Abstract: Methods for dry reforming with a red mud catalyst support composition, one method including providing a methane feed and carbon dioxide feed to react over the red mud catalyst support composition at increased temperature and increased pressure to produce synthesis gas comprising H2 and CO, the composition comprising red mud material produced from an alumina extraction process from bauxite ore.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: July 13, 2021
    Assignee: SAUDI ARABIAN OIL COMPANY
    Inventors: Bandar A. Fadhel, Bandar H. Alsolami, Rami Bamagain
  • Process and apparatus of ocean carbon capture and storage
    Patent number: 11045758
    Abstract: The present invention relates to a process and an apparatus of ocean carbon capture and storage (Ocean CCS), which can be used for carrying out carbon capture and storage of flue gas discharged from marine facilities using fossil energy such as coastal power plants and marine ships, and direct air capture (DAC). The natural engineering method are adopted in the present invention, and natural seawater is used for washing and dissolving CO2 gas for carbon capture; and natural seawater carbonate neutralization and formed bicarbonate is used for ocean storage in water column; and low head and large water flow is used to save energy. The discharged water complies with environmental regulations. The present invention provides an affordable and green effective mean for using marine ecosystems of carbon sinks and reservoirs to respond to the climate change.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: June 29, 2021
    Assignee: Zero Carbon Energy Innovation Union Inc
    Inventor: Sigan Peng
  • Process and device for converting hydrogen sulfide into hydrogen gas and sulfur
    Patent number: 11040874
    Abstract: A reactive process for converting hydrogen sulfide into hydrogen gas and sulfur and a reactor for effecting such process.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: June 22, 2021
    Assignee: Standard Hydrogen Company, Inc.
    Inventors: James Wasas, Mariavicenta Wasas
  • Method and apparatus for reagent recovery in a flue gas processing system
    Patent number: 11027235
    Abstract: A system and method is disclosed for recovering reagents that are used in removing contaminants from a flue gas stream. The system and method includes contacting the flue gas stream with reagents such as ammonia and sulfuric acid to create an ammonium sulfate stream. The ammoniated sulfate stream is forwarded to an electrodialysis unit wherein the reagents are regenerated and recirculated back to the system.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: June 8, 2021
    Assignee: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventor: Sanjay Kumar Dube
  • Polyferric sulphate solution
    Patent number: 11008221
    Abstract: A process for production of polyferric sulphate (PFS) solution comprises: a) digesting iron oxide in aqueous sulphuric acid, to form an initial reaction solution including ferrous sulphate; b) subsequently oxidising obtained ferrous ions (Fe2+) with nitric acid to convert ferrous ions to ferric ions(Fe3+); and c) oxidising evolving nitrogen oxides to nitric acid to recover nitric acid; d) wherein the molar ratio of iron to sulphuric acid is such that the obtained PFS product will be sulphate deficient.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: May 18, 2021
    Assignee: INDUSTRIAL CHEMICALS GROUP LIMITED
    Inventor: Christopher Hughes
  • Oxidant production
    Patent number: 11007129
    Abstract: A non-irradiative method for producing singlet oxygen is provided that comprises passing a gas comprising oxygen through or over a perforated metallic article. A method of oxidizing a target of treatment is also described that comprises providing a metallic article and convecting a gas comprising oxygen over or through the article toward the target.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: May 18, 2021
    Assignee: Z5 Global Group Limited
    Inventor: Zion Badash
  • Catalytic membrane system for converting biomass to hydrogen
    Patent number: 11008524
    Abstract: A two-reactor catalytic system including a catalytic membrane gasification reactor and a catalytic membrane water gas shift reactor. The catalytic system, for converting biomass to hydrogen gas, features a novel gasification reactor containing both hollow fiber membranes that selectively allow O2 to permeate therethrough and a catalyst that facilitates tar reformation. Also disclosed is a process of converting biomass to H2. The process includes the steps of, among others, introducing air into a hollow fiber membrane; mixing the O2 permeating through the hollow fiber membrane and steam to react with biomass to produce syngas and tar; and reforming the tar in the presence of a catalyst to produce more syngas.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: May 18, 2021
    Assignee: National University of Singapore
    Inventors: Sibudjing Kawi, Kus Hidajat, Usman Oemar, Ashok Jangam, Ming Li Ang, Yasotha Kathiraser, Zhigang Wang
  • Regeneration of an ionic liquid catalyst by hydrogenation using a macroporous noble metal catalyst
    Patent number: 11000839
    Abstract: Provided is a hydro-regeneration catalyst system, comprising: (a) a first graded bed comprising a guard bed material; and (b) a second graded bed, fluidly connected to the first graded bed, comprising a noble metal catalyst on a support having mesopores and macropores; wherein the noble metal catalyst has an average pore diameter of 20 to 1,000 nm (0.02 to 1 ?m), a total pore volume of greater than 0.80 cc/g, and a macropore volume of 0.10 to 0.50 cc/g. Also provided is a guard bed system, comprising: (a) a first guard bed comprising a first adsorbent having 10 ?m or larger pores with an average pore diameter of 100 to 1,000 ?m; and (b) a second guard bed fluidly connected to the first guard bed, comprising a second adsorbent material having mesopores and macropores with a second average pore diameter of 20 to 1,000 nm.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: May 11, 2021
    Assignee: Chevron U.S.A. Inc.
    Inventors: Hye Kyung Cho Timken, Jeff Johns, Rahul Shankar Bhaduri, Viorel Duma, John V. Heyse
  • Porous sheets
    Patent number: 11005089
    Abstract: A method of preparing a porous sheet includes mixing a matrix material dispersion including a matrix material dispersed in a first dispersion medium with a microorganism dispersion including microorganisms in a second dispersion medium, to form a mixture. The first and the second dispersion media are removed from the mixture to form a matrix sheet, and the microorganisms are decomposed from the matrix sheet to form the porous sheet.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: May 11, 2021
    Assignees: International Business Machines Corporation, Aselsan
    Inventors: Esin Akca, Cagla Akgun, Gokhan Demirci, Ho-Cheol Kim, Hareem T. Maune, Dahyun Oh, Loza F. Tadesse, Leslie E. Thompson
  • Method of producing hydrogen gas from water
    Patent number: 10994994
    Abstract: The invention is a method for coproducing Hydrogen and certain metals by reducing a metal oxide(s) with MgH2 or with metal and water, wherein the non-water oxides used in the method include SiO2, Cr2O3, TiO2, SnO2, ZrO2, CuO, ZnO, WO3, Ta2O5, Cs2Cr2O7 or CsOH. The method reacts the MgH2 with a metal oxide or directly uses metal and water instead of a hydride, and initiates a reaction with the metal oxide. The reaction releases Hydrogen and reduces the subject oxide to metal.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: May 4, 2021
    Inventor: Surendra Saxena
  • Process for recovering ammonia from vanadium preparation for ammonium preparation and recycling wastewater
    Patent number: 10974968
    Abstract: The present invention discloses a process for recovering ammonia from vanadium preparation for ammonium preparation and recycling wastewater. A conventional vanadium extraction process is complex, and the most difficult to control and treat are ammonia emissions and wastewater treatment. The present process can directly extract ammonium metavanadate and ammonium polyvanadate from the beginning of mining and smelting, and gather all emitted ammonia to prepare ammonium in the process of preparing high-purity vanadium pentoxide by using the ammonium metavanadate or the ammonium polyvanadate, thereby ensuring zero emission of the exhaust gas, and effectively treat all wastewater generated in the above process by using a polyacid ester flocculation technology, thereby ensuring that the wastewater is not discharged but recycled, and realizing that the purity of all products reaches 99.5-99.99%.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: April 13, 2021
    Assignee: Zhongfanlian Technology Development Co., Ltd.
    Inventors: Xiaodi Xu, Honghui Zhou
  • Method for producing synthesis gas by means of steam reforming reactors
    Patent number: 10968100
    Abstract: A process for producing synthesis gas using at least a first and a second steam reforming reactor each having at least one reaction stage enabling the circulation of a reaction mixture and at least one heat supply stage enabling the circulation of a heat transfer fluid.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: April 6, 2021
    Assignee: L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
    Inventors: Matthieu Flin, Solène Valentin, François Fuentes, Marc Wagner, Quentin Saniez
  • Process for producing ammonia synthesis gas and a method for revamping a front-end of an ammonia plant
    Patent number: 10954124
    Abstract: A process for producing ammonia make-up synthesis gas and a procedure for revamping a front-end of an ammonia plant for producing ammonia make-up synthesis gas are disclosed, wherein the make-up synthesis gas is produced by means of steam reforming of a hydrocarbon gaseous feedstock; said front-end includes a primary reformer, a secondary reformer, a shift conversion section, a CO2 removal section and optionally a methanation section; a shell-and-tube gas-heated reformer is installed after said secondary reformer, and a portion of the available feedstock is reformed in the tubes of said gas-heated reformer, and heat is provided to the shell side of said gas-heated reformer by at least a portion of product gas leaving the secondary reformer, possibly mixed with product gas leaving the tubes of said gas-heated reformer.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: March 23, 2021
    Assignee: Casale SA
    Inventors: Ermanno Filippi, Raffaele Ostuni
  • Methods of treatment and use of spent equilibrium catalyst
    Patent number: 10946371
    Abstract: Disclosed is a method of treating spent equilibrium catalyst (ECAT) for reuse, in which a quantity of spent ECAT comprising hydrophilic particles with differing levels of metal contamination is disposed into a reactor and treated to form carbon nanotubes on the particles having metal contamination, thereby rendering at least a portion of the spent ECAT particles hydrophobic; the hydrophobic particles can then be separated from the hydrophilic particles. Also disclosed is a method of remediating an oil spill using a carbon nanotube sponge material.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: March 16, 2021
    Assignee: The Board of Regents of the University of Oklahoma
    Inventors: Steven P. Crossley, Nicholas M. Briggs, Daniel E. Resasco
  • Combustion of spent adsorbents containing HPNA compounds in a membrane wall partial oxidation gasification reactor
    Patent number: 10934498
    Abstract: A process for the economical and environmentally acceptable disposal of spent adsorbent recovered from an adsorption column used to remove HPNA compounds and HPNA precursors from hydrocracking unit bottoms and/or recycle streams includes removing the liquid hydrocarbon oil from the spent adsorbent material by a combination of solvent flushing, and/or heating and vacuum treatment, grinding the dried adsorbent material containing the HPNA compounds and HPNA precursors to produce free-flowing particles of a predetermined maximum size, and introducing the particulate adsorbent material into a membrane wall partial oxidation gasification reactor to produce hydrogen and carbon monoxide synthesis gas, or syngas, which can be further processed by the water-gas shift reaction to increase the overall hydrogen recovered from the initial feed to the gasifier.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: March 2, 2021
    Assignee: Saudi Arabian Oil Company
    Inventor: Omer Refa Koseoglu
  • Method and plant for the production of synthesis gas
    Patent number: 10927007
    Abstract: A method for producing syngas includes a) splitting a hydrocarbon into carbon and hydrogen using a plasma to obtain a first product including carbon and hydrogen, b) mixing steam and carbon dioxide with at least a portion of the first product to produce a product stream, wherein a first portion of the carbon in the first product is converted in an endothermic reaction with steam to carbon monoxide and hydrogen and a second portion of the carbon in the first product is converted in another endothermic reaction with the carbon dioxide to carbon monoxide, and wherein heat is supplied to the endothermic reaction, and c) quenching the product stream of step b).
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: February 23, 2021
    Assignee: CAPHENIA GMBH
    Inventors: Rolf Bank, Christian Schuhbauer, Franz Leher
  • Method for preparing amorphous GeH under high pressure
    Patent number: 10919762
    Abstract: The present invention provides a preparation method of amorphous GeH, and belongs to the field of preparation technologies of amorphous GeH. The preparation method provided in the present invention includes the following step: sealing crystalline GeH, a pressure calibration object, and a pressure transmitting medium in a cavity of a diamond anvil cell, and adjusting pressure in the cavity to obtain amorphous GeH. In the present invention, pressure is applied to the GeH in the sealed diamond anvil cell, to implement amorphization of the GeH at room temperature. In this way, impurities can hardly be found in the preparation method, and pure amorphous GeH can be obtained. In addition, the method provided in the present invention has simple operations and good repeatability.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: February 16, 2021
    Assignee: Jilin University
    Inventors: Quanjun Li, Xiaoling Jing, Haiyang Zhao, Yi Du, Bingbing Liu
  • Methods for production of carbon and hydrogen from natural gas and other hydrocarbons
    Patent number: 10906807
    Abstract: A method for producing elemental carbon and hydrogen gas directly from a hydrocarbon (for example, natural gas or methane) using a chemical reaction or series of reactions. In an aspect, other materials involved such as, for example, elemental magnesium, remain unchanged and function as a catalyst.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: February 2, 2021
    Assignee: West Virginia University Research Corporation
    Inventor: Alfred H. Stiller
  • Process for generating high purity synthesis gas hydrogen from heavy oil or hydrocarbons
    Patent number: 10899973
    Abstract: The present invention provides a steam reforming process for heavy oil or hydrocarbons using a circulating fluidized bed reactor, the process having a reforming step and a regeneration step, wherein the reforming step and the regeneration step comprise a fluidized reactor containing a fluidizable nickel-containing reforming catalyst and produce hydrogen as a product of the reforming bed. The invention produces high purity hydrogen in the synthesis gas product stream and avoids irreversible fouling on the catalyst.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: January 26, 2021
    Assignee: TDA Research, Inc.
    Inventors: Girish Srinivas, Steven Charles Gebhard, Robert James Copeland, Steve Schwab