Patents by Inventor Fanxing Li
Fanxing Li 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: 9903584Abstract: A system for converting fuel may include a first moving bed reactor, a second reactor, and a non-mechanical valve. The first moving bed reactor may include at least one tapered section and multiple injection gas ports. The multiple injection gas ports may be configured to deliver a fuel to the first moving bed reactor. The first moving bed reactor may be configured to reduce an oxygen carrying material with a fuel by defining a countercurrent flowpath for the fuel relative to the oxygen carrying material. The second reactor may communicate with the first moving bed reactor and may be operable to receive an oxygen source. The second reactor may be configured to regenerate the reduced oxygen carrying material by oxidation.Type: GrantFiled: May 11, 2012Date of Patent: February 27, 2018Assignee: Ohio State Innovation FoundationInventors: Liang-Shih Fan, Hyung R. Kim, Fanxing Li, Liang Zeng, Dawei Wang, Fei Wang
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Publication number: 20170370573Abstract: In accordance with one embodiment of the present disclosure, an oxygen carrying material may include a primary active mass, a primary support material, and a secondary support material. The oxygen carrying material may include about 20% to about 70% by weight of the primary active mass, the primary active mass including a composition having a metal or metal oxide selected from the group consisting of Fe, Co, Ni, Cu, Mo, Mn, Sn, Ru, Rh, and combinations thereof. The oxygen carrying material may include about 5% to about 70% by weight of a primary support material. The oxygen carrying material may include about 1% to about 35% by mass of a secondary support material.Type: ApplicationFiled: August 24, 2017Publication date: December 28, 2017Inventors: Liang-Shih Fan, Deepak Sridhar, Fanxing Li
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Publication number: 20170313637Abstract: A oxygen transfer agent useful for the oxidative dehydrogenation of saturated hydrocarbons includes at least one mixed oxide derived from manganese or compounds thereof, as well as a promoter, such as tungsten and/or phosphorus. The oxygen transfer agent may also include an alkali metal or compounds thereof, boron or compounds thereof, an oxide of an alkaline earth metal, and an oxide containing one or more of one or more of manganese, lithium, boron, and magnesium. A reactor is at least partially filled with the oxygen transfer agent in the form of a fixed or circulating bed and provides an unsaturated hydrocarbon product, such as ethylene and/or propylene. The oxygen transfer agent may be regenerated using oxygen.Type: ApplicationFiled: September 23, 2015Publication date: November 2, 2017Applicants: Bio2Electric, LLC, NORTH CAROLINA STATE UNIVERSITYInventors: John A. SOFRANKO, Fanxing LI, Luke NEAL
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Patent number: 9777920Abstract: In accordance with one embodiment of the present disclosure, an oxygen carrying material may include a primary active mass, a primary support material, and a secondary support material. The oxygen carrying material may include about 20% to about 70% by weight of the primary active mass, the primary active mass including a composition having a metal or metal oxide selected from the group consisting of Fe, Co, Ni, Cu, Mo, Mn, Sn, Ru, Rh, and combinations thereof. The oxygen carrying material may include about 5% to about 70% by weight of a primary support material. The oxygen carrying material may include about 1% to about 35% by mass of a secondary support material.Type: GrantFiled: May 11, 2012Date of Patent: October 3, 2017Assignee: OHIO STATE INNOVATION FOUNDATIONInventors: Liang-Shih Fan, Deepak Sridhar, Fanxing Li
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Publication number: 20170226030Abstract: Methods and systems are provided for oxidative dehydrogenation of a hydrocarbon feed stream to produce a product stream with improved ethylene yield. The methods can include the steps of (i) combining a recycle stream with the feed stream to form a reactor feed stream, (ii) contacting the reactor feed stream with an oxide-based redox catalyst to produce the product stream comprising ethylene and one or more byproducts selected from the group consisting of methane, ethane, other byproducts, and mixtures thereof, and (iii) removing all or a part of the methane and ethane from the product stream to produce the recycle stream. Systems for the oxidative dehydrogenation (ODH) of a hydrocarbon feed stream are also provided to produce a product stream with improved ethylene yield. The systems and methods can include an oxide-based redox catalyst, such as Mg6MnO8, Cu6PbO8, and Ni6MnO8.Type: ApplicationFiled: February 2, 2017Publication date: August 10, 2017Inventors: Fanxing Li, Luke M. Neal
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Publication number: 20170158964Abstract: Novel redox based systems for fuel and chemical production with in- situ CO2 capture are provided. A redox system using one or more chemical intermediates is utilized in conjunction with liquid fuel generation via indirect Fischer-Tropsch synthesis, direct hydro genation, or pyrolysis. The redox system is used to generate a hydrogen rich stream and/or CO2 and/or heat for liquid fuel and chemical production. A portion of the byproduct fuels and/or steam from liquid fuel and chemical synthesis is used as part of the feedstock for the redox system.Type: ApplicationFiled: December 12, 2016Publication date: June 8, 2017Inventors: Liang-Shih FAN, Fanxing LI, Liang ZENG
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Publication number: 20170081623Abstract: Systems, devices, and methods for the delivery of gas bubbles to liquids are generally described. The devices can include a primary conduit (102) comprising a plurality of openings (104) fluidically connecting an internal flow pathway (106) of the primary conduit to an environment outside the primary conduit. The devices may also include, in some instances, a secondary conduit (114) located at least partially within the primary conduit, the secondary conduit configured to redistribute the pressure of the gas delivered to the openings of the primary conduit, and comprising a plurality of openings (116) fluidically connecting an internal flow pathway (118) of the secondary conduit to a portion of the internal flow pathway (106) of the primary conduit outside the secondary conduit. Certain of the gas delivery systems and methods described herein are capable of delivering gas at relatively uniform linear flow velocities across multiple gas outlet openings.Type: ApplicationFiled: March 17, 2015Publication date: March 23, 2017Applicants: Biogen MA Inc., North Carolina State UniversityInventors: Fanxing Li, Weiwei Hu, Yang Liu, Kelly Wiltberger, Haofan Peng, Rachel Ferguson
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Publication number: 20160376512Abstract: A system for converting fuel is provided and includes a first reactor comprising a plurality of ceramic composite particles, the ceramic composite particles comprising at least one metal oxide disposed on a support, wherein the first reactor is configured to reduce the at least one metal oxide with a fuel to produce a reduced metal or a reduced metal oxide; a second and reactor configured to oxidize at least a portion of the reduced metal or reduced metal oxide from the said first reactor to produce a metal oxide intermediate; a source of air; and a third reactor communicating with said source of air and configured to regenerate the at least one metal oxide from the remaining portion of the solids discharged from the said first reactor and the solids discharged from the said second reactor for by oxidizing the metal oxide intermediate.Type: ApplicationFiled: June 23, 2016Publication date: December 29, 2016Inventors: Liang-Shih Fan, Fanxing Li
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Patent number: 9518236Abstract: Novel redox based systems for fuel and chemical production with in-situ CO2 capture are provided. A redox system using one or more chemical intermediates is utilized in conjunction with liquid fuel generation via indirect Fischer-Tropsch synthesis, direct hydrogenation, or pyrolysis. The redox system is used to generate a hydrogen rich stream and/or CO2 and/or heat for liquid fuel and chemical production. A portion of the byproduct fuels and/or steam from liquid fuel and chemical synthesis is used as part of the feedstock for the redox system.Type: GrantFiled: September 8, 2010Date of Patent: December 13, 2016Assignee: THE OHIO STATE UNIVERSITY RESEARCH FOUNDATIONInventors: Liang-Shih Fan, Fanxing Li, Liang Zeng
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Publication number: 20160332151Abstract: Compositions and methods for preparing and using ceramic mixed ionic-electronic conductor (MIEC) enhanced transition metals and metal oxides in composite or core-shell forms are disclosed. The presently disclosed compositions are stable at high temperatures and can carry as much as about 20 weight % oxygen.Type: ApplicationFiled: January 6, 2015Publication date: November 17, 2016Inventors: Fanxing LI, Yanguang CHEN
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Publication number: 20160268616Abstract: High efficiency electricity generation processes and systems with substantially zero CO2 emissions are provided. A closed looping between the unit that generates gaseous fuel (H2, CO, etc) and the fuel cell anode side is formed. In certain embodiments, the heat and exhaust oxygen containing gas from the fuel cell cathode side are also utilized for the gaseous fuel generation. The systems for converting fuel may comprise reactors configured to conduct oxidation-reduction reactions. The resulting power generation efficiencies are improved due to the minimized steam consumption for the gaseous fuel production in the fuel cell anode loop as well as the strategic mass and energy integration schemes.Type: ApplicationFiled: May 23, 2016Publication date: September 15, 2016Inventors: Liang-Shih FAN, Fanxing LI, Liang ZENG, Deepak SRIDHAR
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Patent number: 9376318Abstract: A system for converting fuel is provided and includes a first reactor comprising a plurality of ceramic composite particles, the ceramic composite particles comprising at least one metal oxide disposed on a support, wherein the first reactor is configured to reduce the at least one metal oxide with a fuel to produce a reduced metal or a reduced metal oxide; a second reactor configured to oxidize at least a portion of the reduced metal or reduced metal oxide from the said first reactor to produce a metal oxide intermediate; a source of air; and a third reactor communicating with said source of air and configured to regenerate the at least one metal oxide from the remaining portion of the solids discharged from the said first reactor and the solids discharged from the said second reactor by oxidizing the metal oxide intermediate.Type: GrantFiled: October 1, 2014Date of Patent: June 28, 2016Assignee: The Ohio State UniversityInventors: Liang-Shih Fan, Fanxing Li
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Patent number: 9371227Abstract: High efficiency electricity generation processes and systems with substantially zero CO2 emissions are provided. A closed looping between the unit that generates gaseous fuel (H2, CO, etc) and the fuel cell anode side is formed. In certain embodiments, the heat and exhaust oxygen containing gas from the fuel cell cathode side are also utilized for the gaseous fuel generation. The resulting power generation efficiencies are improved due to the minimized steam consumption for the gaseous fuel production in the fuel cell anode loop as well as the strategic mass and energy integration schemes.Type: GrantFiled: September 8, 2010Date of Patent: June 21, 2016Assignee: Ohio State Innovation FoundationInventors: Liang-Shih Fan, Fanxing Li, Liang Zeng, Deepak Sridhar
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Publication number: 20150093577Abstract: A system for converting fuel is provided and includes a first reactor comprising a plurality of ceramic composite particles, the ceramic composite particles comprising at least one metal oxide disposed on a support, wherein the first reactor is configured to reduce the at least one metal oxide with a fuel to produce a reduced metal or a reduced metal oxide; a second reactor configured to oxidize at least a portion of the reduced metal or reduced metal oxide from the said first reactor to produce a metal oxide intermediate; a source of air; and a third reactor communicating with said source of air and configured to regenerate the at least one metal oxide from the remaining portion of the solids discharged from the said first reactor and the solids discharged from the said second reactor by oxidizing the metal oxide intermediate.Type: ApplicationFiled: October 1, 2014Publication date: April 2, 2015Inventors: Liang-Shih Fan, Fanxing Li
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Patent number: 8877147Abstract: A system for converting fuel is provided and includes a first reactor comprising a plurality of ceramic composite particles, the ceramic composite particles comprising at least one metal oxide disposed on a support, wherein the first reactor is configured to reduce the at least one metal oxide with a fuel to produce a reduced metal or a reduced metal oxide; a second reactor configured to oxidize at least a portion of the reduced metal or reduced metal oxide from the said first reactor to produce a metal oxide intermediate; a source of air; and a third reactor communicating with said source of air and configured to regenerate the at least one metal oxide from the remaining portion of the solids discharged from the said first reactor and the solids discharged from the said second reactor by oxidizing the metal oxide intermediate.Type: GrantFiled: September 28, 2009Date of Patent: November 4, 2014Assignee: The Ohio State UniversityInventors: Liang-shih Fan, Fanxing Li
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Publication number: 20140295361Abstract: In accordance with one embodiment of the present disclosure, an oxygen carrying material may include a primary active mass, a primary support material, and a secondary support material. The oxygen carrying material may include about 20% to about 70% by weight of the primary active mass, the primary active mass including a composition having a metal or metal oxide selected from the group consisting of Fe, Co, Ni, Cu, Mo, Mn, Sn, Ru, Rh, and combinations thereof. The oxygen carrying material may include about 5% to about 70% by weight of a primary support material. The oxygen carrying material may include about 1% to about 35% by mass of a secondary support material.Type: ApplicationFiled: May 11, 2012Publication date: October 2, 2014Applicant: Ohio State Innovation FoundationInventors: Liang-Shih Fan, Deepak Sridhar, Fanxing Li
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Publication number: 20140144082Abstract: A method for converting fuel may include reducing at least one metal oxide in a first reactor with a fuel to produce a reduced metal or a reduced metal oxide, transporting the reduced metal or reduced metal oxide from the first reactor to a second reactor, oxidizing at least a portion of the reduced metal or reduced metal oxide from the first reactor in the second reactor to produce a metal oxide intermediate, transporting the metal oxide intermediate from the second reactor to a third reactor, removing ash, char, or unwanted materials with a separation unit from the metal oxide intermediate transported from the second reactor to the third reactor, regenerating the at least one metal oxide, and transporting the regenerated metal oxide from the third reactor to the first reactor.Type: ApplicationFiled: November 27, 2013Publication date: May 29, 2014Applicant: The Ohio State UniversityInventors: Liang-Shih Fan, Puneet Gupta, Luis Gilberto Velazquez Vargas, Fanxing Li
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Publication number: 20140072917Abstract: A system for converting fuel may include a first moving bed reactor, a second reactor, and a non-mechanical valve. The first moving bed reactor may include at least one tapered section and multiple injection gas ports. The multiple injection gas ports may be configured to deliver a fuel to the first moving bed reactor. The first moving bed reactor may be configured to reduce an oxygen carrying material with a fuel by defining a countercurrent flowpath for the fuel relative to the oxygen carrying material. The second reactor may communicate with the first moving bed reactor and may be operable to receive an oxygen source. The second reactor may be configured to regenerate the reduced oxygen carrying material by oxidation.Type: ApplicationFiled: May 11, 2012Publication date: March 13, 2014Applicant: OHIO STATE INNOVATION FOUNDATIONInventors: Liang-Shih Fan, Hyung R. Kim, Fanxing Li, Liang Zeng, Dawei Wang, Fei Wang
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Publication number: 20140034134Abstract: A system and process for carrying out one or more chemical reactions are provided and include one or more chemical reactors having particulate solids forming a bed therein, and a gas stripping zone forming a non-mechanical seal between said reactors which includes a conduit connecting the reactors. The conduit includes an inlet for a stripping gas which is adapted to prevent process gas from passing between reactors while permitting particulate solids to pass between reactors.Type: ApplicationFiled: November 8, 2011Publication date: February 6, 2014Applicant: The Ohio State UniversityInventors: Liang-Shih Fan, Fanxing Li, Fei Wang, Andrew S. Tong, Surya B.R. Karri, John G. Findlay, Ted M. Knowlton, Raymond A. Cocco
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Publication number: 20120171588Abstract: High efficiency electricity generation processes and systems with substantially zero CO2 emissions are provided. A closed looping between the unit that generates gaseous fuel (H2, CO, etc) and the fuel cell anode side is formed. In certain embodiments, the heat and exhaust oxygen containing gas from the fuel cell cathode side are also utilized for the gaseous fuel generation. The systems for converting fuel may comprise reactors configured to conduct oxidation-reduction reactions. The resulting power generation efficiencies are improved due to the minimized steam consumption for the gaseous fuel production in the fuel cell anode loop as well as the strategic mass and energy integration schemes.Type: ApplicationFiled: September 8, 2010Publication date: July 5, 2012Applicant: The Ohio State University Research FoundationInventors: Liang-Shih Fan, Fanxing Li, Liang Zeng, Deepak Sridhar