Patents Examined by Renee Robinson
  • Patent number: 12012563
    Abstract: Cracking furnace system for converting a hydrocarbon feedstock into cracked gas comprising a convection section, a radiant section and a cooling section, wherein the convection section includes a plurality of convection banks, including a first high temperature coil, configured to receive and preheat hydrocarbon feedstock, wherein the radiant section includes a firebox comprising at least one radiant coil configured to heat up the feedstock to a temperature allowing a pyrolysis reaction, wherein the cooling section includes at least one transfer line exchanger.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: June 18, 2024
    Assignee: TECHNIP ENERGIES FRANCE SAS.
    Inventors: Jelle Gerard Wijnja, Peter Oud
  • Patent number: 12011680
    Abstract: The present disclosure is directed to a new and improved separation process that isolates individual minerals from brines containing a mixture of minerals. The brines may be derived from seawater, brackish water, oilfield brines, solution mining, mine run-off, and other sources. Typically, the minerals are recovered as chlorides using a variety of processing steps including evaporation, centrifugation, elutriation, filtration, electrocogulation, crystallization, adsorption, and chromatography.
    Type: Grant
    Filed: September 19, 2021
    Date of Patent: June 18, 2024
    Inventor: Mark Holtzapple
  • Patent number: 11999915
    Abstract: Disclosed are sulfur-containing molybdenum complexes used in compositions and methods for inhibiting or reducing the deposition of foulant on equipment.
    Type: Grant
    Filed: July 27, 2021
    Date of Patent: June 4, 2024
    Assignee: ECOLAB USA INC.
    Inventors: Omer Gul, Oussama Zenasni, Philip Andrew Thornthwaite
  • Patent number: 11981867
    Abstract: The present disclosure relates to the technical field of pyrolysis and improvement of caking middling coals, in particular to a low temperature pyrolysis method of a caking middling coal. The present disclosure provides a low temperature pyrolysis method of a caking middling coal, including the following steps: conveying the caking middling coal into a pyrolysis reactor through a top of the pyrolysis reactor; dividing a reaction chamber of the pyrolysis reactor into a drying section, a softening section, a melting and depolymerization section, a solidification section, and a cooling section by means of multi-channel gas distribution; and conducting zoned temperature control-based pyrolysis to obtain semi-coke at a bottom of the reactor as well as tar and coal gas at the top of the reactor. The pyrolysis method can well avoid caking and swelling of the caking middling coal during pyrolysis.
    Type: Grant
    Filed: May 16, 2023
    Date of Patent: May 14, 2024
    Assignee: Yan'an University
    Inventors: Zhuangzhuang Zhang, Feng Fu, Zhiping Mi, Yanzhong Zhen, Jie Gu, Xiaoxia Yang, Le Wang, Xiaoli Qiu
  • Patent number: 11980831
    Abstract: A method and apparatus for water purification and remineralization are disclosed. The apparatus comprises a plurality of thermally coupled thermoelectric modules, as well as means for enhancing mass and energy transfers. The method provides a highly energy-efficient water purification process. The apparatuses and methods of the present inventions can be used to obtain purified and/or remineralized water at rates suitable for household water consumption.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: May 14, 2024
    Assignee: GENIVER LLC
    Inventor: Sebastián Abolsky
  • Patent number: 11976027
    Abstract: Shell-and-tube strippers for stripping a urea/carbamate mixture, related systems, methods, and uses. The stripper includes a shell, a plurality of tubes disposed within the shell, and a heating fluid distributor for homogenizing the flow of a heating fluid near a heating fluid inlet. The heating fluid distributor includes an edge wall and a laterally disposed heating fluid distribution plate. Related systems, methods, and uses are also provided.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: May 7, 2024
    Assignee: YARA INTERNATIONAL ASA
    Inventor: Lino Giovanni Porro
  • Patent number: 11976154
    Abstract: In at least one embodiment, a devolatilization vessel includes a first set of one or more devolatilization plates and a second set of one or more devolatilization plates. A first distributor is above the first set of one or more devolatilization plates and the second set of one or more devolatilization plates. A second distributor is above the second set of one or more devolatilization plates. In at least one embodiment, a process of forming a polymer includes forming a first polymer solution having a first viscosity and forming a second polymer solution having a second viscosity. The process includes flowing the first polymer solution and the second polymer solution to a devolatilization vessel. The process includes removing volatiles from the first polymer solution and the second polymer solution in the devolatilization vessel to form a devolatilized first polymer melt and a devolatilized second polymer melt.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: May 7, 2024
    Assignee: ExxonMobil Engineering & Technology Company
    Inventors: Michael K. Lyon, Hamidreza Khakdaman, Trevan D. MacArthur, Adrian Strehler, Claudio Walker
  • Patent number: 11969689
    Abstract: The present disclosure relates to methods for processing plastic waste pyrolysis gas, such as methods wherein clogging of the systems used in the method is avoided or at least alleviated.
    Type: Grant
    Filed: June 1, 2020
    Date of Patent: April 30, 2024
    Assignee: NESTE OYJ
    Inventors: Antti Kurkijärvi, Hannu Lehtinen, Esa Korhonen, Mikko Matilainen, Max Nyström
  • Patent number: 11964229
    Abstract: A staggered and crossed heat storage adsorption bed and a seawater desalination waste heat storage system are provided, which relate to the field of seawater desalination and the technical field of thermochemical adsorption heat storage. The adsorption bed includes a bed body, wherein an adsorption cavity is arranged in the bed body; two sides of the adsorption cavity are respectively communicated with an inlet cavity and an outlet cavity; the adsorption cavity includes a vacuum heat insulation layer arranged at an outermost side; the vacuum heat insulation layer is embedded with an adsorption box fixing layer; a corner end adsorption box, a central adsorption box and a side adsorption box are staggered and crossed arranged in an inner cavity of the vacuum heat insulation layer through the adsorption box fixing layer.
    Type: Grant
    Filed: June 2, 2023
    Date of Patent: April 23, 2024
    Assignee: ENERGY RESEARCH INSTITUTE OF SHANDONG ACADEMY OF SCIENCES
    Inventors: Lin Guo, Cong Wang, Zhigang Liu, Guihua Tang, Yawei Yang, Chongliang Huang, Zhuoliang Li, Yalong Kong
  • Patent number: 11958792
    Abstract: The disclosure pertains to a urea production plant and process using a thermal stripper, wherein the reaction mixture is separated in two parts, wherein the first part is supplied at least in part to the thermal stripper and the second part at least in part bypasses the thermal stripper and is supplied to a medium pressure recovery section.
    Type: Grant
    Filed: August 10, 2023
    Date of Patent: April 16, 2024
    Assignee: Stamicarbon B.V.
    Inventor: Wilhelmus Hubertus Geurts
  • Patent number: 11946003
    Abstract: A system for producing needle coke and a method for producing needle coke using the system are provided. The system includes a coke tower, a pressure stabilization tower, a buffer tank and a coking fractionation tower. A pressure controller is provided at the top of the pressure stabilization tower for adjusting the pressure at the top thereof. An oil gas outlet of the coke tower is in communication with an oil gas inlet of the pressure stabilization tower through a pipeline. No pressure controller for adjusting the pressure at the top of the coke tower is provided in the coke tower or on the oil gas pipeline connecting the coke tower to the pressure stabilization tower.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: April 2, 2024
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SINOPEC DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS.CO., LTD.
    Inventors: Dan Guo, Xiangchen Fang, Kai Qiao, Renqing Chu, Lianzhong Gou, Tianzuo Chen
  • Patent number: 11939538
    Abstract: In accordance with one or more embodiments of the present disclosure, a method for producing aromatic compounds from pyrolysis gasoline comprising C5-C6 non-aromatic hydrocarbons includes aromatizing the pyrolysis gasoline in an aromatization unit, thereby converting the C5-C6 non-aromatic hydrocarbons to a first stream comprising benzene-toluene-xylenes (BTX); hydrotreating the first stream comprising BTX in a selective hydrotreatment unit, thereby producing a de-olefinated stream comprising BTX hydrodealkylating and transalkylating the de-olefinated stream comprising BTX in a hydrodealkylation-transalkylation unit, thereby producing a second stream comprising BTX, the second stream comprising BTX having a greater amount of benzene and xylenes than the first stream comprising BTX; and processing the second stream comprising BTX in an aromatics recovery complex, thereby producing the aromatic compounds from the pyrolysis gasoline, the aromatic compounds comprising benzene, toluene, and xylenes.
    Type: Grant
    Filed: February 28, 2023
    Date of Patent: March 26, 2024
    Assignee: SAUDI ARABIAN OIL COMPANY
    Inventors: Noor Nasser Al-Mana, Zhonglin Zhang, Omer Refa Koseoglu, Sohel Shaikh
  • Patent number: 11939282
    Abstract: The present disclosure provides a method for decomposing a phenolic by-product, the method including: a step S10 of injecting and mixing a bisphenol A by-product produced in a bisphenol A production process, a mixed by-product stream of phenol by-products produced in a phenol production process, a decomposition apparatus side discharge stream, and a process water stream in a mixing apparatus; a step S20 of injecting a mixing apparatus discharge stream discharged from the mixing apparatus into a phase separation apparatus and phase-separating the mixing apparatus discharge stream into an oil-phase stream and a liquid-phase stream; a step S30 of feeding the oil-phase stream, which is phase-separated in the step S20 and discharged from the phase separation apparatus, to a decomposition apparatus to decompose the oil-phase stream; and a step S40 of circulating the decomposition apparatus side discharge stream obtained by the decomposition in the step S30 to the mixing apparatus in the step S10.
    Type: Grant
    Filed: August 11, 2020
    Date of Patent: March 26, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Min Suk Kang, Sang Beom Lee, Joon Ho Shin
  • Patent number: 11918939
    Abstract: The present invention relates to a process for purifying a composition comprising a hydrohalocarbon B comprising the steps of: i) providing a composition A1 comprising a hydrohalocarbon B and at least one impurity C different from said hydrohalocarbon B, ii) compressing said composition A1, and optionally cooling it, so as to obtain said hydrohalocarbon B in liquid form in order to form a liquid stream A2 comprising said hydrohalocarbon B, iii) distilling said stream A2 obtained in step ii) in order to form and recover a stream A3 comprising said hydrohalocarbon B, characterized in that step iii) is carried out in a pressurized distillation device comprising one or more rotating packed beds.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: March 5, 2024
    Assignee: ARKEMA FRANCE
    Inventor: Jean-Luc Dubois
  • Patent number: 11912587
    Abstract: A multi-function solar panel, the panel being of the tilted tray type which is divided into three chambers, one chamber being used for electricity generation, and cooling of the PV panel and partial preheating of the feed water to a still, one for processing the feed water to produce potable water and the other for water storage and other ancillary devices used in the production process and PAYG functionality of the multi-function solar panel.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: February 27, 2024
    Inventor: Robert James Pyman
  • Patent number: 11912940
    Abstract: A method of producing a coal mixture includes blending a plurality of coals, wherein formula (1) and formula (2) are satisfied: ? calc = ? i N ? ? i × x i ( 1 ) ?calc?1.2×10?10 (mol/g-coal)??(2) wherein ?calc is a hydrogen ion release capacity per unit mass (mol/g-coal) of the coal mixture, ?i is the hydrogen ion release capacity per unit mass (mol/g-coal) of a coal i, xi is a blending ratio of the coal i blended in the coal mixture, and N is a total number of brands of coal contained in the coal mixture.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: February 27, 2024
    Assignee: JFE Steel Corporation
    Inventors: Yusuke Dohi, Takashi Matsui, Mikiya Nagayama
  • Patent number: 11898104
    Abstract: A method for removal of sulfide from a stream, the method comprising preparing a metal-chelant complex, designated M-Yn, where M is a divalent or trivalent cation, Y comprises a gluconic acid, glucaric acid or derivative thereof, and n is from about 1 to about 3; contacting a mixture comprising M-Yn and a base with a sulfide stream under conditions suitable for the formation of a metal-sulfide species; and contacting the metal-sulfide species with an oxidizing agent to form a soluble metal sulfide species. A method for removal of sulfide from a stream, the method comprising preparing a sulfide scavenging mixture comprising a base and a metal-complex characterized by Structure (I); contacting the sulfide scavenging mixture with a sulfide stream under conditions suitable for the formation of a metal-sulfide species; and contacting the metal-sulfide species with an oxidizing agent to form a soluble metal sulfide species.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: February 13, 2024
    Assignee: SOLUGEN, INC.
    Inventors: Paul Schuber, Toni M. Lee, Jun Su An, Jason Helander, Tom Swanson, Gaurab Chakrabarti, Sean Hunt, Chris Arceo
  • Patent number: 11898106
    Abstract: It has been discovered that solid contaminants in a mixture of a hydrocarbon phase and an aqueous phase may be retained in the hydrocarbon phase by introducing to the mixture an effective amount of an oil-wetting additive to retain at least a portion of the solid contaminants in the hydrocarbon phase as contrasted with an aqueous phase. The oil-wetting additive can be a surface-active additive including, but is not necessarily limited to, drilling fluid additives, surfactants, antifoulants, nanoparticles and combinations thereof.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: February 13, 2024
    Assignee: Baker Hughes Oilfield Operations LLC
    Inventors: Brandon Vittur, Carl E. Weaver, Tran M. Nguyen, Lirio Quintero, Leonardo Franca, Jerry J. Weers, Joseph Arensdorf
  • Patent number: 11891574
    Abstract: The invention relates to a process for the recovery of aliphatic hydrocarbons from a liquid hydrocarbon feedstock stream, which comprises aliphatic hydrocarbons and additionally comprises aromatic hydrocarbons and/or polar components, said process comprising the steps of: feeding the liquid hydrocarbon feedstock stream to a first column; feeding a first solvent stream which comprises an organic solvent to the first column at a position which is higher than the position at which the liquid hydrocarbon feedstock stream is fed; contacting at least a portion of the liquid hydrocarbon feedstock stream with at least a portion of the first solvent stream; and recovering at least a portion of the aliphatic hydrocarbons by liquid-liquid extraction of aromatic hydrocarbons and/or polar components with organic solvent, resulting in a stream comprising recovered aliphatic hydrocarbons and optionally organic solvent and a bottom stream from the first column comprising organic solvent and aromatic hydrocarbons and/or polar
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: February 6, 2024
    Assignee: SHELL USA, INC.
    Inventors: Jean-Paul Andre Marie Joseph Ghislain Lange, Luis Alberto Grau Lisnier, Willem Derks, Kai Jürgen Fischer
  • Patent number: 11891580
    Abstract: The present invention provides a microcrystalline wax having a needle penetration according to ASTM D-1321 at 25° C. of more than 1, a crystallinity according to XRD between 5 and 70%, an initial boiling point of less than 500° C., a congealing point in the range of from 60 to 120° C., an oil content according to ASTM D-721 of more than 2 wt. %, wherein the microcrystalline wax has a fraction up to C40 having at least 5 wt % of multiple methyl-branched paraffins as determined with GC×GC.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: February 6, 2024
    Assignee: SHELL USA, INC.
    Inventors: Andries Hendrik Janssen, Gerrit Leendert Bezemer, Edward Julius Creyghton, Guy Lode Magda Maria Verbist, Pim Lohmeijer, Christina Georgieva Christova-Zdravkova