Patents Examined by Michelle Stein
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Patent number: 11939543Abstract: In an embodiment, a method for decreasing reactor fouling in a steam cracking process is provided. The method includes steam cracking a hydrocarbon feed to obtain a quench oil composition comprising a concentration of donatable hydrogen of 0.5 wt. % or more based on a total weight percent of the quench oil composition; exposing a steam cracker effluent flowing from a pyrolysis furnace to the quench oil composition to form a mixture; and fractionating the mixture in a separation apparatus to obtain a steam cracker tar. In another embodiment, a hydrocarbon mixture is provided. The hydrocarbon mixture includes a mid-cut composition.Type: GrantFiled: July 9, 2019Date of Patent: March 26, 2024Assignee: ExxonMobil Chemical Patents Inc.Inventors: Teng Xu, James R. Lattner, Frank Cheng-Yu Wang, Bryan Tiedemann, Renyuan Yu
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Patent number: 11939544Abstract: In chemical processes for cracking hydrocarbons, reactors are subject to coking. This results in carburization of the metal substrate for the reactor leading to a reduced reactor life. If the reactor is subject to a decoke process, followed by a steam scour and nitrogenating there is a reduced tendency to carburization of the metal substrate improving the reactor life.Type: GrantFiled: February 7, 2020Date of Patent: March 26, 2024Assignee: NOVA Chemicals (International) S.A.Inventors: Michael Koselek, Leslie Benum, Vasily Simanzhenkov, Hany Farag
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Patent number: 11926792Abstract: A method for recovering kerogen oil includes loading first and second reactors with carbonaceous material and injecting a heat transfer medium into the first reactor, wherein the heat transfer medium comprises steam. In addition, the method includes heating the carbonaceous material in the first reactor to a maximum temperature for the carbonaceous material in the first reactor during the method with the heat transfer medium to thermally crack kerogen and vaporize liquid hydrocarbons within the carbonaceous material in the first reactor and producing a vapor phase effluent from the first reactor as a result of the heating. Further, the method includes condensing the vapor phase effluent in the second reactor to produce a condensate stream that comprises condensed water and condensed hydrocarbons and heating the carbonaceous material in the second reactor as a result of the condensing. Still further, the method includes recovering kerogen oil from the condensate stream.Type: GrantFiled: March 14, 2022Date of Patent: March 12, 2024Inventor: Charles Sterling Keracik
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Patent number: 11859142Abstract: A hydrocracking process for maximization of naphtha while producing base oil is disclosed. The hydrocracking process comprises hydrocracking a hydrocarbon feed stream in a hydrocracking unit in the presence of a hydrogen stream and a hydrocracking catalyst to produce a hydrocracked effluent stream. The hydrocracked effluent stream is separated in a separator to provide a vapor hydrocracked stream and a liquid hydrocracked stream. The liquid hydrocracked stream is fractionated to provide a naphtha stream, a kerosene stream, a diesel stream and a first unconverted oil stream. A recycle stream comprising a portion of the kerosene stream, a portion of the diesel stream, and a portion of the first unconverted oil stream is recycled to the hydrocracking unit to provide a second unconverted oil stream. A remaining portion of the first unconverted oil stream is withdrawn for base oil production.Type: GrantFiled: April 30, 2021Date of Patent: January 2, 2024Assignee: UOP LLCInventors: Yoga Ramamurthi Ayar, Rajesh Sivadasan, Richard Hoehn, Donald A. Eizenga
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Patent number: 11845902Abstract: A gas oil separation plant (GOSP) and method for receiving crude oil from a wellhead and removing gas, water, and salt from the crude oil, and discharging export crude oil. The GOSP includes online analyzer instruments for performing online analysis of salt concentration in multiple streams in the GOSP. Based in part on the online analysis, the salt content in the export crude oil may be determined and the flowrate for wash water supplied to the desalter vessel may be specified.Type: GrantFiled: June 23, 2020Date of Patent: December 19, 2023Assignee: Saudi Arabian Oil CompanyInventors: Guillaume Robert Jean-Francois Raynel, Debora Salomon Marques, Qasim Saleem, Tim Benson
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Patent number: 11827854Abstract: Methods for liquefaction of carbonaceous materials, including methods that use electromagnetic radiation. Systems for liquefaction of carbonaceous materials. The systems may include a circulation conduit for mixing reactants, and/or a heating apparatus that relies on electromagnetic radiation.Type: GrantFiled: July 29, 2022Date of Patent: November 28, 2023Assignee: Qwave Solutions, Inc.Inventors: Jeffrey Badac, Ryan Booth, Kaitlin Harris, Cliff Raleigh, Steven Schlaegle, Richard Troiano, Wesley Conroy
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Patent number: 11820949Abstract: Embodiments of the present disclosure are directed to a process for the upgrading of petroleum products comprising subjecting a diesel feed to a hydrocracking process, thereby producing a hydrocrackate fraction; subjecting the hydrocrackate fraction to a catalytic reforming process, thereby producing a reformate; and recovering aromatics from the reformate. In accordance with another embodiment of the present disclosure, a method of producing aromatics may comprise introducing a diesel feed to a hydrocracking unit to produce a hydrocrackate fraction, passing the hydrocrackate fraction to a catalytic reforming unit to produce a reformate, and passing the reformate to an aromatic recovery complex to produce an aromatic fraction. In accordance with yet another embodiment of the present disclosure, an apparatus for the upgrading of petroleum products may comprise a hydrocracker, a catalytic reformer, and an aromatic recovery complex.Type: GrantFiled: January 15, 2021Date of Patent: November 21, 2023Assignee: Saudi Arabian Oil CompanyInventor: Omer Refa Koseoglu
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Patent number: 11807818Abstract: In accordance with one or more embodiments of the present disclosure, a process for converting diesel to products comprising light olefins, benzene-toluene-xylenes (BTX), fluid catalytically cracked naphtha, pyrolysis gasoline, and pyrolysis fuel oil includes: introducing a diesel feedstream to a diesel hydrodesulfurization unit to produce a desulfurized diesel stream; introducing the desulfurized diesel stream to a fluid catalytic cracking (FCC) unit to produce the fluid catalytically cracked naphtha, a light gas stream, and a cycle oils stream; introducing the fluid catalytically cracked naphtha to an aromatic recovery complex to produce the BTX and an aromatic bottoms stream; and introducing a paraffinic fraction of the light gas stream to a steam cracking unit to produce a light olefins stream, the pyrolysis gasoline, and the pyrolysis fuel oil.Type: GrantFiled: January 7, 2021Date of Patent: November 7, 2023Assignee: Saudi Arabian Oil CompanyInventor: Omer Refa Koseoglu
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Patent number: 11788013Abstract: High-quality graphite/needle grade coke is produced with reduced impurity levels and improved coefficient of thermal expansion using an integrated hydrotreatment, catalytic cracking and coking reaction sections, employing a combination of highly paraffinic hydrotreated VGO stream and aromatic CLO stream, which is thereafter processed in a delayed coking section.Type: GrantFiled: September 17, 2021Date of Patent: October 17, 2023Assignee: INDIAN OIL CORPORATION LIMITEDInventors: Ponoly Ramachandran Pradeep, Shivam Ashok Dixit, Prantik Mondal, Jitumoni Brahma, Rajesh, Terapalli Hari Venkata Devi Prasad, Satyen Kumar Das, Madhusudan Sau, Gurpreet Singh Kapur, Sankara Sri Venkata Ramakumar
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Patent number: 11702603Abstract: The invention concerns a process for converting a hydrocarbon feed, said process comprising the following steps: a) a step of hydrocracking the feed in the presence of hydrogen; b) a step of separating the effluent obtained from step a); c) a step of precipitating sediments, in which the heavy fraction obtained from the separation step b) is brought into contact with a distillate cut at least 20% by weight of which has a boiling point of 100° C. or more for a period of less than 500 minutes, at a temperature in the range 25° C. to 350° C., and at a pressure of less than 20 MPa; d) a step of physical separation of the sediments from the heavy fraction obtained from step c); e) a step of recovering a heavy fraction having a sediment content, measured using the ISO 10307-2 method, of 0.1% by weight or less.Type: GrantFiled: April 20, 2016Date of Patent: July 18, 2023Assignee: IFP Energies NouvellesInventors: Wilfried Weiss, Isabelle Merdrignac, Jeremie Barbier, Ann Cloupet
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Patent number: 11692148Abstract: A method is disclosed for preparing a renewable fuel blend. The method includes subjecting at least two feedstocks of different biological origins to catalytic cracking in a catalytic cracking unit and to hydrotreatment in a hydrotreatment unit to form a fuel blend having an aromatic hydrocarbon content from 26 to 42 wt-% and a paraffinic hydrocarbon content of less than 53 wt-%, as measured according to ASTM D2425-04 (2011). The fuel blend is formed by mixing the at least two feedstocks together before subjecting them to the catalytic cracking and hydrotreatment, or by obtaining a first fuel component and at least one further fuel component from the catalytic cracking and hydrotreatment of the at least two feedstocks, and mixing the first fuel component and the at least one further fuel component together.Type: GrantFiled: November 22, 2018Date of Patent: July 4, 2023Assignee: NESTE OYJInventors: Jenni Nortio, Ulla Kiiski, Pirjo Saikkonen
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Patent number: 11692142Abstract: The invention concerns a process for the treatment of a hydrocarbon feed, said process comprising the following steps: a) a hydrotreatment step, in which the hydrocarbon feed and hydrogen are brought into contact over a hydrotreatment catalyst, b) an optional step of separating the effluent obtained from the hydrotreatment step a), c) a step of hydrocracking at least a portion of the effluent obtained from step a) or at least a portion of the heavy fraction obtained from step b), d) a step of separating the effluent obtained from step c), e) a step of precipitating sediments, f) a step of physical separation of the sediments from the heavy liquid fraction obtained from step e), g) a step of recovering a liquid hydrocarbon fraction having a sediment content, measured using the ISO 10307-2 method, of 0.1% by weight or less.Type: GrantFiled: April 20, 2016Date of Patent: July 4, 2023Assignee: IFP Energies nouvellesInventors: Wilfried Weiss, Isabelle Merdrignac, Jeremie Barbier, Ann Cloupet
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Patent number: 11618858Abstract: In accordance with one or more embodiments of the present disclosure, a method for hydrodearylating aromatic bottoms oil includes contacting at least one aromatic bottoms oil stream with at least one catalyst composition and hydrogen in a reactor in order to hydrodearylate the aromatic bottoms oil stream. The catalyst composition includes a catalyst support comprising framework-substituted ultra-stable Y-type (USY) zeolite substituted with at least zirconium atoms. The catalyst composition does not include a hydrogenative metal component disposed on the support.Type: GrantFiled: December 6, 2021Date of Patent: April 4, 2023Assignees: Saudi Arabian Oil Company, JGC Catalysts and Chemicals Ltd., Japan Cooperation Center PetroleumInventors: Omer Refa Koseoglu, Robert Peter Hodgkins, Koji Uchida
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Patent number: 11578276Abstract: A method for upgrading pyrolysis oil includes contacting a pyrolysis oil feed with hydrogen in the presence of a mixed metal oxide catalyst in a first slurry reactor, where: the pyrolysis oil feed comprises multi-ring aromatic compounds comprising greater than or equal to sixteen carbon atoms, and contacting the pyrolysis oil feed with hydrogen in the presence of the mixed metal oxide catalyst in the first slurry reactor to convert at least a portion of the multi-ring aromatic compounds in the pyrolysis oil feed to light aromatic compounds comprising di-aromatic compounds, tri-aromatic compounds, or both, passing an intermediate stream comprising the light aromatic compounds to a second slurry reactor downstream of the first slurry reactor; and contacting the intermediate stream with hydrogen in the presence of a mesoporous zeolite supported metal catalyst in a second slurry reactor.Type: GrantFiled: July 1, 2021Date of Patent: February 14, 2023Assignee: Saudi Arabian Oil CompanyInventors: Miao Sun, Sohel K Shaikh, Ibrahim A. Abba, Noor Al-Mana, Zhonglin Zhang
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Patent number: 11566186Abstract: A petroleum refining method for upgrading petroleum products improves the efficiency and reduces the costs of upgrading oils, such as lipids, bitumen, crude oil, fracking oils, synthetic oils, and other feeds, to produce useful fuels and chemical precursor streams. Usage of a specific type of zeolite (ZSM-5) catalyst, supercritical water to control coke formation, and a specific response to phase behavior and other catalytic effects optimize the process. A prescribed set of reactor conditions employing supercritical water increases activity of the catalyst in industrial reactions.Type: GrantFiled: May 15, 2019Date of Patent: January 31, 2023Assignee: Worcester Polytechnic InstituteInventors: Michael T. Timko, Geoffrey A. Tompsett, Azadeh Zaker
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Patent number: 11566187Abstract: Naphthenic process oils are made by blending one or more naphthenic vacuum gas oils in one or more viscosity ranges with a high CA content distilled aromatic extract feedstock to provide at least one blended oil, and hydrotreating the at least one blended oil to provide an enhanced CA content naphthenic process oil. The order of the vacuum distillation and blending steps may be reversed.Type: GrantFiled: May 11, 2016Date of Patent: January 31, 2023Assignee: ERGON, INC.Inventors: John Kristopher Patrick, Craig Alan Busbea, Edward William Casserly, Howard Don Davis
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Patent number: 11560521Abstract: Naphthenic process oils are made by blending one or more naphthenic vacuum gas oils in one or more viscosity ranges with a high CA content ethylene cracker bottoms, slurry oil, heavy cycle oil or light cycle oil feedstock to provide at least one blended oil, and hydrotreating the at least one blended oil to provide an enhanced CA content naphthenic process oil. The order of the vacuum distillation and blending steps may be reversed.Type: GrantFiled: May 13, 2022Date of Patent: January 24, 2023Inventors: John Kristopher Patrick, Craig Alan Busbea, Edward William Casserly, Howard Don Davis
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Patent number: 11459513Abstract: Oxidized disulfide oil (ODSO) compounds or ODSO compounds and disulfide oil (DSO) compounds are added to a steam cracker feed. During the thermal cracking, the ODSO or ODSO and DSO components in the steam cracker mixture minimize coke formation on the steam cracker coils.Type: GrantFiled: January 28, 2021Date of Patent: October 4, 2022Assignee: SAUDI ARABIAN OIL COMPANYInventors: Omer Refa Koseoglu, Robert Peter Hodgkins
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Patent number: 11427773Abstract: Disclosed is a catalytic cracking process for producing isobutane and/or light aromatics in high yield, comprising the steps of: a) providing a catalytic cracking feedstock oil having a polycyclic naphthene content of greater than about 25 wt %; b) subjecting the catalytic cracking feedstock oil to a first catalytic cracking reaction and a second catalytic cracking reaction sequentially under different reaction conditions to obtain a catalytic cracking product; c) separating the resulting catalytic cracking product to obtain a liquefied gas fraction comprising isobutane and a gasoline fraction comprising light aromatics; and d) optionally, recovering isobutane from the liquefied gas fraction and/or recovering light aromatics from the gasoline fraction. The process can enable the production of isobutane and/or light aromatics in high yield.Type: GrantFiled: October 22, 2018Date of Patent: August 30, 2022Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, RESEARCH INSTITUTE OF PETROLEUM PROCESSING, SINOPECInventors: Youhao Xu, Xin Wang, Yuying Zhang, Tao Liu, Xuhui Bai, Lishun Dai, Zhigang Zhang, Jialin Liang, Nan Jiang
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Patent number: 11427771Abstract: A slurry separator comprising a moving blade that wipes slurry oil onto a wall of the slurry separator for separating a recovered oil stream from a concentrated residue stream has the capability of maximizing recovery of the LCO from slurry oil as well as removing both the catalyst fines as well as coke particles suspended in the slurry oil. The slurry separator can be fed directly from the main column bottoms. Advantageously, the process and apparatus can enable the FCC unit to achieve higher production of LCO and higher value clarified slurry oil more efficiently.Type: GrantFiled: March 23, 2020Date of Patent: August 30, 2022Assignee: UOP LLCInventors: Keith Allen Couch, Joseph Mark Houdek