Patents by Inventor Lianhui Ding
Lianhui Ding has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11278873Abstract: According to the subject matter of the present disclosure, a method of producing an aromatization catalyst may comprise producing a plurality of uncalcined ZSM-5 nanoparticles via a dry-gel method, directly mixing the plurality of uncalcined ZSM-5 nanoparticles with large pore alumina and a binder to form a ZSM-5/alumina mixture, and calcining the ZSM-5/alumina mixture to form the aromatization catalyst. The plurality of uncalcined ZSM-5 nanoparticles may have an average diameter of less than 80 nm.Type: GrantFiled: July 16, 2020Date of Patent: March 22, 2022Assignee: Saudi Arabian Oil CompanyInventors: Manal Al-Eid, Lianhui Ding, Essa Alnaimi
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Publication number: 20220062876Abstract: According to the subject matter of the present disclosure, a cracking catalyst may comprise zeolite, alumina, nickel oxide, hydrogenation metal, and a core shell Pt/SiO2. The core shell Pt/SiO2 may comprise a platinum nanoparticle encapsulated by a microporous SiO2 layer.Type: ApplicationFiled: August 27, 2020Publication date: March 3, 2022Applicant: Saudi Arabian Oil CompanyInventors: Noor Almana, Lianhui Ding
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Patent number: 11247196Abstract: A method of making a zeolite with encapsulated platinum is provided. The method includes dissolving an aluminum source in water to form a first solution, dissolving a hydroxide in water to form a second solution, dissolving a templating agent in water to form a third solution, and adding a silica source to the first solution to form a fourth solution. The method further includes adding the second solution to the fourth solution to form a fifth solution, adding the third solution to the fifth solution to form a sixth solution, and adding a platinum source to the sixth solution. The sixth solution is crystallized to form a solid product, which is recovered. The solid product is calcined. An ammonium ion exchange is performed on the solid product to form a second solid product, and the second solid product is calcined.Type: GrantFiled: December 4, 2019Date of Patent: February 15, 2022Assignee: Saudi Arabian Oil CompanyInventors: Donya Alsewdan, Lianhui Ding, Manal Al-Eid
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Publication number: 20220016609Abstract: According to the subject matter of the present disclosure, a method of producing an aromatization catalyst may comprise producing a plurality of uncalcined ZSM-5 nanoparticles via a dry-gel method, directly mixing the plurality of uncalcined ZSM-5 nanoparticles with large pore alumina and a binder to form a ZSM-5/alumina mixture, and calcining the ZSM-5/alumina mixture to form the aromatization catalyst. The plurality of uncalcined ZSM-5 nanoparticles may have an average diameter of less than 80 nm.Type: ApplicationFiled: July 16, 2020Publication date: January 20, 2022Applicant: Saudi Arabian Oil CompanyInventors: Manal Al-Eid, Lianhui Ding, Essa Alnaimi
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Patent number: 11225416Abstract: Examples described herein provide a method of making a nano-sized zeolite. The method comprises dissolving an aluminum source in a first portion of an aqueous solution of a templating agent to form a first mixture. The first mixture is added to a slurry of a silica source in a second portion of the aqueous solution of a templating agent to form an aluminosilicate fluid gel. The aluminosilicate fluid gel is stirred to allow reaction. The aluminosilicate fluid gel is dried to form a dry gel and the dry gel is hydrothermal treated in a hydrothermal treatment holder to form a solid product. The solid product is washed, dried, and calcined.Type: GrantFiled: November 26, 2019Date of Patent: January 18, 2022Assignee: Saudi Arabian Oil CompanyInventors: Lianhui Ding, Manal Al-Eid, Rasha Alghamdi
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Publication number: 20220001363Abstract: Embodiments of the present disclosure are directed to a method of producing a cracking catalyst. The method of producing a cracking catalyst may comprise producing a plurality of uncalcined zeolite-beta nanoparticles via a dry-gel method, directly mixing the plurality of uncalcined zeolite-beta nanoparticles with at least one additional hydrocracking component to form a mixture, and calcining the mixture to form the cracking catalyst. The plurality of uncalcined zeolite-beta nanoparticles may have an average diameter of less than 100 nm.Type: ApplicationFiled: July 6, 2020Publication date: January 6, 2022Applicant: Saudi Arabian Oil CompanyInventors: Lianhui Ding, Manal Al-Eid
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Patent number: 11213810Abstract: Embodiments of the present disclosure are directed to a method of producing a cracking catalyst. The method of producing a cracking catalyst may comprise producing a plurality of uncalcined zeolite-beta nanoparticles via a dry-gel method, directly mixing the plurality of uncalcined zeolite-beta nanoparticles with at least one additional hydrocracking component to form a mixture, and calcining the mixture to form the cracking catalyst. The plurality of uncalcined zeolite-beta nanoparticles may have an average diameter of less than 100 nm.Type: GrantFiled: July 6, 2020Date of Patent: January 4, 2022Assignee: Saudi Arabian Oil CompanyInventors: Lianhui Ding, Manal Al-Eid
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Publication number: 20210363438Abstract: An integrated process for conversion of a hydrocarbon stream comprising light naphtha to enhanced value products. The process includes passing the hydrocarbon stream through a first reactor, the first reactor being a catalytic bed reactor with a dual-function catalyst to simultaneously reform light naphtha to BTEX and crack light naphtha to ethane, propane, and butanes. Further, the process includes passing an effluent of the first reactor to a gas-liquid separating unit to generate a liquid stream and a gas stream, and passing the gas stream to a gas separator unit to remove hydrogen gas and methane and generate an enhanced gas stream. The process further includes passing the enhanced gas stream through a second reactor, the second reactor being a pyrolysis unit operated at steam cracking conditions to convert ethane, propane, and butanes in the enhanced gas stream to light.Type: ApplicationFiled: May 21, 2020Publication date: November 25, 2021Applicant: Saudi Arabian Oil CompanyInventors: Emad Naji Al-Shafei, Mohammed Z. Al-Bahar, Manal Al-Eid, Lianhui Ding, Ali Nader Al-Jishi, Ki-Hyouk Choi
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Patent number: 11148124Abstract: A method is provided for forming composite of nano-sized zeolite beta and hierarchical zeolite Y. The method includes synthesizing a hierarchical zeolite Y, synthesizing a gel of a nano-sized zeolite beta, forming a slurry of the nano-sized zeolite beta from the gel, and mixing the hierarchical zeolite Y with the slurry to form a composite. The composite is dried and an extrudable paste is formed from the dried composite. The extrudable paste is extruded to form extrudates, which are calcined to form calcined extrudates.Type: GrantFiled: December 4, 2019Date of Patent: October 19, 2021Assignee: Saudi Arabian Oil CompanyInventors: Lianhui Ding, Ibrahim Al-Nutaifi, Manal Al-Eid
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Patent number: 11084992Abstract: In accordance with one embodiment of the present disclosure, a heavy oil may be upgraded by a process that may include removing at least a portion of metals from the heavy oil in a hydrodemetalization reaction zone to form a hydrodemetalization reaction effluent, removing at least a portion of metals and at least a portion of nitrogen from the hydrodemetalization reaction effluent in a transition reaction zone to form a transition reaction effluent, removing at least a portion of nitrogen from the transition reaction effluent in a hydrodenitrogenation reaction zone to form a hydrodenitrogenation reaction effluent, and reducing aromatics content in the hydrodenitrogenation reaction effluent in a hydrocracking reaction zone by contacting the hydrodenitrogenation reaction effluent to form an upgraded fuel.Type: GrantFiled: May 25, 2017Date of Patent: August 10, 2021Assignee: Saudi Arabian Oil CompanyInventors: Lianhui Ding, Essam Al-Sayed, Ibrahim Abba
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Publication number: 20210237042Abstract: Embodiments of the present disclosure are directed to hydrocracking catalysts and methods of making same. The hydrocracking catalyst comprises a platinum encapsulated zeolite having a crystallinity greater than 20% determined by X-ray powder diffraction analysis.Type: ApplicationFiled: April 16, 2021Publication date: August 5, 2021Applicant: Saudi Arabian Oil CompanyInventors: Lianhui Ding, Manal Al-Eid
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Publication number: 20210189265Abstract: A process for upgrading a hydrocarbon feed, such as crude oil or other heavy oils, may include hydrotreating a hydrocarbon feed in a hydrotreating unit to produce a hydrotreated effluent that includes asphaltenes, coke precursors, or both. The process further includes hydrocracking the hydrotreated effluent in a hydrocracking unit to produce a hydrocracked effluent, adsorbing at least a portion of the asphaltenes, coke precursors, or both, from the hydrotreated effluent, the hydrocracked effluent, or both, separating the hydrocracked effluent into at least an upgraded lesser-boiling effluent and a greater-boiling effluent in a hydrocracked effluent separation system, and steam cracking the upgraded lesser-boiling effluent to produce olefins, aromatic compounds, or combinations of these. The process may further include recycling the greater boiling effluent back to the hydrotreating unit and hydrocracking a middle distillate effluent from the hydrocracked effluent separation system.Type: ApplicationFiled: December 19, 2019Publication date: June 24, 2021Applicant: Saudi Arabian Oil CompanyInventors: Lianhui Ding, Alberto Lozano Ballesteros, Ibrahim Al-Nutaifi, Abdennour Bourane
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Publication number: 20210170375Abstract: Embodiments of the present disclosure are directed to hydrocracking catalysts and methods of making same. The hydrocracking catalyst comprises a platinum encapsulated zeolite having a crystallinity greater than 20% determined by X-ray powder diffraction analysis.Type: ApplicationFiled: December 6, 2019Publication date: June 10, 2021Applicant: Saudi Arabian Oil CompanyInventors: Lianhui Ding, Manal Al-Eid
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Publication number: 20210170376Abstract: A method is provided for forming composite of nano-sized zeolite beta and hierarchical zeolite Y. The method includes synthesizing a hierarchical zeolite Y, synthesizing a gel of a nano-sized zeolite beta, forming a slurry of the nano-sized zeolite beta from the gel, and mixing the hierarchical zeolite Y with the slurry to form a composite. The composite is dried and an extrudable paste is formed from the dried composite. The extrudable paste is extruded to form extrudates, which are calcined to form calcined extrudates.Type: ApplicationFiled: December 4, 2019Publication date: June 10, 2021Applicant: Saudi Arabian Oil CompanyInventors: Lianhui Ding, Ibrahim Al-Nutaifi, Manal Al-Eid
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Publication number: 20210170374Abstract: A method of making a zeolite with encapsulated platinum is provided. The method includes dissolving an aluminum source in water to form a first solution, dissolving a hydroxide in water to form a second solution, dissolving a templating agent in water to form a third solution, and adding a silica source to the first solution to form a fourth solution. The method further includes adding the second solution to the fourth solution to form a fifth solution, adding the third solution to the fifth solution to form a sixth solution, and adding a platinum source to the sixth solution. The sixth solution is crystallized to form a solid product, which is recovered. The solid product is calcined.Type: ApplicationFiled: December 4, 2019Publication date: June 10, 2021Applicant: Saudi Arabian Oil CompanyInventors: Donya Alsewdan, Lianhui Ding, Manal Al-Eid
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Publication number: 20210156830Abstract: Examples described herein provide a method for characterizing a catalyst in a chemisorption unit. The method includes treating a catalyst sample with gas blend comprising ammonia in an inert gas and performing a first temperature programmed desorption (TPD) to desorb the ammonia from the catalyst sample. A temperature programmed reduction (TPR) of the catalyst sample is performed with hydrogen. The catalyst sample is treated after the TPR with a gas blend comprising ammonia in an inert gas. A second temperature programmed desorption is performed to desorb the ammonia from the catalyst sample.Type: ApplicationFiled: November 26, 2019Publication date: May 27, 2021Applicant: Saudi Arabian Oil CompanyInventors: Manal Al-Eid, Lianhui Ding
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Publication number: 20210155490Abstract: Examples described herein provide a method of making a nano-sized zeolite. The method comprises dissolving an aluminum source in a first portion of an aqueous solution of a templating agent to form a first mixture. The first mixture is added to a slurry of a silica source in a second portion of the aqueous solution of a templating agent to form an aluminosilicate fluid gel. The aluminosilicate fluid gel is stirred to allow reaction. The aluminosilicate fluid gel is dried to form a dry gel and the dry gel is hydrothermal treated in a hydrothermal treatment holder to form a solid product. The solid product is washed, dried, and calcined.Type: ApplicationFiled: November 26, 2019Publication date: May 27, 2021Applicant: Saudi Arabian Oil CompanyInventors: Lianhui Ding, Manal Al-Eid, Rasha Alghamdi
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Patent number: 11007512Abstract: Embodiments of the present disclosure are directed to hydrocracking catalysts and methods of making same. The hydrocracking catalyst comprises a platinum encapsulated zeolite having a crystallinity greater than 20% determined by X-ray powder diffraction analysis.Type: GrantFiled: December 6, 2019Date of Patent: May 18, 2021Assignee: Saudi Arabian Oil CompanyInventors: Lianhui Ding, Manal Al-Eid
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Patent number: 11001770Abstract: According to one embodiment, a heavy oil may be processed by a method that may include upgrading at least a portion of the heavy oil to form an upgraded oil, where the upgrading includes contacting the heavy oil with a hydrodemetalization catalyst, a transition catalyst, a hydrodenitrogenation catalyst, and a hydrocracking catalyst to remove at least a portion of metals, nitrogen, or aromatics content from the heavy oil and form the upgraded oil. The method may further include passing at least a portion of the upgraded oil to a refinery operation.Type: GrantFiled: July 16, 2018Date of Patent: May 11, 2021Assignee: Saudi Arabian Oil CompanyInventors: Kareemuddin Shaik, Lianhui Ding, Mazin Tamimi, Ibrahim Abba, Abdennour Bourane
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Patent number: 10946367Abstract: A method for hydrocracking a hydrocarbon feedstock, the method comprising: contacting the hydrocarbon feedstock with a catalyst containing a nano-sized mesoporous zeolite composition under reaction conditions to produce a product stream containing at least 20 weight percent of hydrocarbons with 1-4 carbon atoms, wherein the nano-sized mesoporous zeolite composition is produced by a method that includes: mixing silica, a source of aluminum, and tetraethylammonium hydroxide to form an aluminosilicate fluid gel; drying the aluminosilicate fluid gel to form a dried gel mixture; subjecting the dried gel mixture to hydrothermal treatment to produce a zeolite precursor; adding cetyltrimethylammonium bromide (CTAB) to the zeolite precursor to form a templated mixture; subjecting the templated mixture to hydrothermal treatment to prepare a CTAB-templated zeolite; washing the CTAB-templated zeolite with distilled water; separating the CTAB-templated zeolite by centrifugation; and drying and calcining the CTAB-templatedType: GrantFiled: September 17, 2020Date of Patent: March 16, 2021Inventors: Manal Eid, Lianhui Ding, Kareemuddin Shaik