Carbon-oxide And Hydrogen Containing Patents (Class 252/373)
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Patent number: 12382594Abstract: A display device capable of implementing a narrow bezel by forming a radius of curvature of a bending part to be smaller and reinforcing rigidity of a display panel by disposing reinforcing members in the bending part.Type: GrantFiled: November 21, 2022Date of Patent: August 5, 2025Assignee: LG Display Co., Ltd.Inventors: Suchan Kwon, Buhui Lee
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Patent number: 12351766Abstract: The present invention provides a process and apparatus for converting feedstock comprising biomass and/or carbon-containing solid waste material to synthesis gas. The process comprises supplying the feedstock to a gasifier comprising a fluidized bed zone and a post-gasification zone and contacting the feedstock with a gasification agent at a plurality of different operating temperatures based on the ash softening temperature of the feedstock and finally recovering the synthesis gas. The apparatus is configured to perform the process and comprises a plurality of nozzles arranged at an acute angle relative to a horizontal plane of the gasifier.Type: GrantFiled: March 7, 2023Date of Patent: July 8, 2025Assignee: GIDARA ENERGY B.V.Inventors: Elyas M. Moghaddam, Avishek Goel, Dobrin Toporov, Wim van der Zande, Chris van der Zande, Alireza Mohammadi
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Patent number: 12331253Abstract: In accordance with one or more embodiments of the present disclosure, a process for producing methanol and hydrocarbon products comprises: generating hydrogen gas and carbon dioxide in a hydrogen production unit; hydroprocessing a hydrocarbon feedstock stream using the hydrogen gas, thereby producing hydrocarbon products and waste hydrogen gas; and contacting the waste hydrogen gas with the carbon dioxide in a hydrogenation unit, thereby producing methanol and product hydrogen gas.Type: GrantFiled: February 16, 2022Date of Patent: June 17, 2025Assignee: Saudi Arabian Oil CompanyInventor: Omer Refa Koseoglu
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Patent number: 12275905Abstract: The present disclosure discloses a Y-shaped entrained-flow high-temperature zoned gasification device adopting dry-process slag-discharging, which comprises a Y-shaped entrained-flow gasifier, wherein the Y-shaped entrained-flow gasifier is partitioned by a sectioned conical head into an upper gasification chamber and a lower chilling chamber; a descending bed atomizing chiller is arranged in the chilling chamber, a conical top of the descending bed atomizing chiller is in communication with an outlet of the sectioned conical head, and two or more chilling atomizing nozzles are evenly arranged on the conical top of the descending bed atomizing chiller in a circumferential direction.Type: GrantFiled: July 11, 2024Date of Patent: April 15, 2025Assignee: China University of Petroleum (East China)Inventors: Yuanyu Tian, Yingyun Qiao, Kechang Xie, Jingxian Wang, Jinhong Zhang, Jiancheng Wang, Yiliang Tian, Yanpeng Zhang, Ruotong Cui
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Patent number: 12269005Abstract: The disclosure is directed to a process and an apparatus for providing a feedstock. A gaseous feed stream comprising at least one hydrocarbon is passed to a reforming unit followed by a water gas shift reaction zone to provide a first gaseous stream comprising H2, CO, and CO2. The first gaseous stream is fed a hydrogen separation zone to separate it into a hydrogen enriched stream and a second gaseous stream comprising CO, CO2 and H2. The second gaseous stream is fed to a CO2 to CO conversion system to produce a third gaseous stream comprising H2 and CO having a H2:CO molar ratio of less than 5:1. The third gaseous stream is fed as the feedstock for a gas fermentation unit to have increased stability and product selectivity.Type: GrantFiled: April 8, 2022Date of Patent: April 8, 2025Assignee: LanzaTech, Inc.Inventor: Robert John Conrado
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Patent number: 12270002Abstract: A process for processing carbonaceous material includes delivering a carbonaceous material to a reactor; delivering a catalyst to the reactor; processing the carbonaceous material at a relatively low temperature within the reactor to decompose the carbonaceous material to base compounds.Type: GrantFiled: October 10, 2019Date of Patent: April 8, 2025Assignee: Seata Holdings Pty LtdInventors: John David Winter, James McFarlane
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Patent number: 12264067Abstract: A residue stream comprising liquid hydrocarbons and metal-rich solid particles is reacted with an oxidant stream in a gasifier to produce a syngas stream that is quenched in a water bath. The risk of plugging in the water lines is reduced by removing solids from the recycled water streams. Acid gases are stripped from at least a portion of the recycled water to reduce the risk of precipitates forming from the reaction of dissolved acid gases with metal ions.Type: GrantFiled: November 19, 2021Date of Patent: April 1, 2025Assignee: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Jacob Shelley, Joachim Wolff, Thomas Von Kossak, Eduardo Ribeiro, Nan Liu, Steffen Jancker
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Patent number: 12234751Abstract: An energy storage system (TES) converts variable renewable electricity (VRE) to continuous heat at over 1000° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. The delivered heat which may be used for processes including power generation and cogeneration. In one application, the energy storage system provides higher-temperature heat to a steam cracking furnace system for converting a hydrocarbon feedstock into cracked gas, thereby increasing the efficiency of the temperature control.Type: GrantFiled: February 26, 2024Date of Patent: February 25, 2025Assignee: Rondo Energy, Inc.Inventors: John Setel O'Donnell, Yusef Desjardins Ferhani, Peter Emery Von Behrens, Chiaki Treynor, Matthieu Jonemann, Robert Ratz
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Patent number: 12234154Abstract: Disclosed is a system and method related to removal of carbon from carbon dioxide via the use of plasma arc heating techniques. The method involves generating C atoms and H atoms from CxHy. The method involves generating graphite and H2 from the C atoms and H atoms, and extracting the graphite. The method involves quenching the H2 with CxHy. The method involves receiving, at a generator, the quenched the H2 and CxHy and generating electricity. The method involves generating a concentrated stream of H2 from the quenched H2 and CxHy. The method involves receiving CO2 and the concentrated stream of H2 and generating C, O, and H atoms. The method involves receiving the C, O, and H atoms and generating graphite, wherein the graphite is extracted. In the hydrocarbon CxHy: x is an integer 1, 2, 3, . . . , and y=2x+2.Type: GrantFiled: October 14, 2022Date of Patent: February 25, 2025Assignee: Aquasource Technologies CorporationInventor: Shyam Vasant Dighe
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Integrated small and medium-sized natural gas steam reforming reactor and reforming reaction process
Patent number: 12221344Abstract: Disclosed herein is an integrated small and medium-sized natural gas steam reforming reactor comprising a furnace body, a combustion module located outside the furnace body, and a conversion reaction module, a steam generation and superheating module, a medium temperature shift module and a desulfurization module arranged inside the furnace body, wherein the combustion module supplies combustion flue gas into an interior of the furnace body, the interior of the furnace body is partitioned into a plurality of flue cavities by a plurality of high-temperature partition plates, and adjacent flue cavities are communicated via gaps between the high-temperature partition plates and an inner wall of the furnace body, thus forming a flue gas channel that zigzags several times; and the flue cavities and the modules arranged therein sequentially form a conversion unit, a steam generation unit, a medium temperature shift unit and a desulfurization unit.Type: GrantFiled: June 1, 2021Date of Patent: February 11, 2025Assignee: ALLY HI-TECH CO., LTD.Inventors: Genyin Ye, Yeqin Wang -
Patent number: 12209018Abstract: The present disclosure refers to systems and methods for the production, storage, and transportation of hydrogen. In a representative embodiment a reactor system comprises a fluidized bed combustor configured for reduced metal oxide oxidation and heat generation without significant greenhouse gas emission and/or with readily capturable emissions. The reactor system also comprises a liquid organic hydrogen carrier dehydrogenation reactor. The fluidized bed combustor is operatively coupled to the liquid organic hydrogen carrier dehydrogenation reactor. Advantageously, at least a portion of heat generated by the fluidized bed combustor may be transferred to the liquid organic hydrogen carrier dehydrogenation reactor. In this manner hydrogen production and transportation is both energy efficient, low carbon intensity and cost-effective.Type: GrantFiled: January 4, 2022Date of Patent: January 28, 2025Assignee: CHEVRON U.S.A. INC.Inventors: Steven Xuqi Song, Bi-Zeng Zhan, Yaofan Yi
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Patent number: 12128388Abstract: A method to regenerate and reactivate catalysts used for a carbon and syngas production reaction including a DRM or CARGEN reaction is developed. Carbon dioxide (CO2) is used as the regeneration and activation media. This method of a single step regeneration and activation using CO2 is more effective than the existing conventional two-step process that includes separate reduction and oxidation steps. This method produces pure carbon monoxide (CO) as a byproduct from the regeneration process by utilizing CO2 and carbon.Type: GrantFiled: March 13, 2019Date of Patent: October 29, 2024Assignee: QATAR FOUNDATION FOR EDUCATION, SCIENCE AND COMMUNITY DEVELOPMENTInventors: Nimir O. Elbashir, Mohamed Sufiyan A. Challiwala, Hanif Ahmed Choudhury
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Patent number: 12104130Abstract: A method of maintaining a syngas composition ratio during an upset condition, including detecting a reduction in the import carbon dioxide flow rate with a carbon dioxide import stream flow sensor, evaluating the reduction in carbon dioxide flow rate or carbon dioxide pressure in a controller, performing one or more predetermined corrective actions as instructed by the controller. Wherein the predetermined corrective actions are chosen from the following: opening a CO2 import stream flow valve, opening a hydrocarbon and steam stream feed valve, opening a CO2 backup stream control valve, opening a syngas backup letdown valve, and starting a composition adjustment unit.Type: GrantFiled: November 18, 2020Date of Patent: October 1, 2024Assignee: L'Air Liquide, Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges ClaudeInventors: Yufeng Qian, Pierre-Philippe Guerif, Alexander Roesch
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Patent number: 12084353Abstract: Clean, safe, and efficient methods, systems, and processes for utilizing thermolysis methods to processes to convert various waste sources into a Clean Fuel Gas, Char, and Biochar are provided. The process further converts the Clean Fuel Gas into both a purified hydrogen source for green ammonia production and natural gas. The methods process waste sources to effectively separate, neutralize and/or destroy halogens and other hazardous components to provide a Clean Fuel Gas, Char and/or Biochar, which can then further be processed to extract and purify hydrogen for green ammonia production from the Clean Fuel Gas and thereby provide natural gas. The Clean Fuel Gas is a natural and renewable natural gas as it is continually produced and further available for use to provide energy and new products.Type: GrantFiled: September 15, 2021Date of Patent: September 10, 2024Assignee: CHZ TECHNOLOGIES, LLCInventors: Henry W. Brandhorst, Jr., Ullrich H. Engel, Charles T. Ludwig, Ernest J. Zavoral, Sr.
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Patent number: 12065618Abstract: Process are disclosed for converting plastics, and especially thermoplastic oxygenated polymers, by hydrodeoxygenation (HDO) to hydrocarbons, such as aromatic hydrocarbons including benzene, toluene, ethylbenzene, and xylene isomers. These hydrocarbons may be recovered as chemicals and/or fuels, depending on the particular chemical structures of the starting materials, including the presence of oxygen in the polymer backbones. Advantageously, using a sufficiently active catalyst, only moderate conditions, such as in terms of hydrogen partial pressure, are required, in comparison to known hydrotreating processes. This leads to the formation, with fewer non-selective side reactions, of desired liquid hydrocarbons from substantially all carbon in the oxygenated polymer, as well as water from substantially all oxygen in the oxygenated polymer. In some cases, the liquid hydrocarbons obtained are platform chemicals that can be used for a number of specialized purposes.Type: GrantFiled: February 23, 2021Date of Patent: August 20, 2024Assignee: GTI EnergyInventors: Martin B. Linck, Terry Marker, Pedro Ortiz-Toral, Jim Wangerow
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Patent number: 12030041Abstract: A structured catalyst for steam reforming of the present disclosure is used for producing reformed gas containing hydrogen from a reforming raw material containing hydrocarbon, and includes a support having a porous structure constituted of a zeolite-type compound, and at least one catalytic substance present inside the support. The support includes channels connecting with each other, and the catalytic substance is metal nanoparticles and present at least in the channels of the support.Type: GrantFiled: November 27, 2019Date of Patent: July 9, 2024Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Takao Masuda, Yuta Nakasaka, Takuya Yoshikawa, Sadahiro Kato, Masayuki Fukushima, Hiroko Takahashi, Yuichiro Banba, Kaori Sekine
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Patent number: 12017983Abstract: Systems and processes for dehydrogenating one or more alkanes using electrically heated dehydrogenation reactors. The source of electric energy or power can be a power grid, solar panel, windmill, hydropower, nuclear power, fuel cell, gas turbines, steam turbines, portable generator or the like. The systems and processes provided herein result in a simpler dehydrogenation process which is particularly beneficial at a small scale and at remote locations, including the well site.Type: GrantFiled: February 14, 2023Date of Patent: June 25, 2024Assignee: PURDUE RESEARCH FOUNDATIONInventors: Rakesh Agrawal, Zewei Chen, Peter Oladipupo
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Patent number: 12017914Abstract: A process for steam or dry reforming of hydrocarbons in a reforming reactor, comprising the steps of: (a) passing a feedstock, comprising one or more hydrocarbons together with steam and/or CO2, through a first catalytic zone at an elevated temperature, to form a partly reformed process gas, wherein the first catalytic zone comprises one or more elongate conduits, each containing reforming catalyst; and (b) passing the partly reformed process gas through a second catalytic zone at an elevated temperature, so as to form a reformed gas stream, wherein the second catalytic zone comprises one or more elongate conduits, each containing reforming catalyst; wherein the process further comprises the combustion of a fluid fuel with a combustion-sustaining medium in an exothermic combustion region, to form a hot combustion products stream, wherein the exothermic combustion region is adjacent to and laterally surrounds each of the second catalytic zone elongate conduits.Type: GrantFiled: August 19, 2019Date of Patent: June 25, 2024Inventors: Geoffrey Gerald Weedon, Jack Gerald Weedon
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Patent number: 11986803Abstract: A partial oxidation process of hydrocarbons is provided, including bringing an inlet gas into contact with a catalyst, the inlet gas including a hydrocarbon raw material gas and a hydrogen chloride gas, wherein the catalyst includes a catalyst material including palladium (Pd), which catalyst material is supported on a carrier including cerium oxide (CeO2) and an amount of catalyst material supported on the carrier is 2 wt % to 10 wt % based on a total weight of the catalyst.Type: GrantFiled: March 13, 2019Date of Patent: May 21, 2024Assignees: LG CHEM, LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Jungup Bang, Do Heui Kim, Gyo Hyun Hwang, Jongwook Jung, Yongju Bang, Youngseok Ryou, Jeongeun Kim
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Patent number: 11976244Abstract: A method may include: hydropyrolyzing a bio feedstock in a hydropyrolysis unit to produce at least a hydropyrolysis oil; introducing at least a portion of the hydropyrolysis oil with a hydrocarbon co-feed into a fluidized catalytic cracking unit; and cracking the hydropyrolysis oil in the fluidized catalytic cracking unit to produce at least fuel range hydrocarbons.Type: GrantFiled: December 9, 2022Date of Patent: May 7, 2024Assignee: ExxonMobil Technology and Engineering CompanyInventors: Xiaochun Xu, Yunming Fang, Yudi Zhao
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Patent number: 11958744Abstract: An apparatus for producing ammonia or hydrogen may include a) a gas stream feed conduit having a connecting conduit to a steam reformer with a waste heat section; b) a heat exchanger downstream of the gas stream feed conduit; c) a gas stream preheater downstream of the heat exchanger; d) a recirculation conduit which is located downstream of the gas stream preheater and leads to the gas stream feed conduit or, upstream of the heat exchanger, to the connecting conduit; and e) the steam reformer with the waste heat section, where the waste heat section may be in thermal contact with the gas stream preheater and the flow of the gas stream which has been heated in the gas stream preheater through the recirculation conduit can be regulated. A process for producing ammonia or hydrogen may employ such an apparatus.Type: GrantFiled: July 18, 2019Date of Patent: April 16, 2024Assignees: thyssenkrupp Uhde GmbH, thyssenkrupp AGInventors: Sebastian Sigge, Klaus Nölker, Steffen Jahn
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Patent number: 11932536Abstract: A process for on-site hydrogen reforming is disclosed. The process includes providing a combined reformer heat exchanger component in which heated air, steam, and hydrocarbon fuel react to form process gas containing hydrogen, and the process gas is cooled via the heat exchanger. The combined components enable reductions in size, materials, costs, and heat loss. Additionally, as the heat exchanger side of the component operates at a cooler temperature, an uninsulated flange for access to the catalyst chamber can be used. A combined combustion heat exchanger component is also provided with similar advantages. Process gas is processed, and hydrogen gas is produced via a purification process.Type: GrantFiled: August 13, 2020Date of Patent: March 19, 2024Inventor: Robert John Sanger
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Patent number: 11926526Abstract: A two-step thermochemical reactor and method are disclosed. The reactor includes a housing and a reactor cavity formed within, and surrounded by, thermal insulation within the housing. The reactor cavity includes at least one unit cell, each cell having an electric heat source and a reactive material. The reactor also includes a feedstock inlet and a product outlet in fluid communication with the reactor cavity. The reactor also includes a reducing configuration, with the inlet being closed and the electric heat source of each unit cell being driven to thermally reduce the reactive material at a first temperature, releasing oxygen into the cavity. The reactor also has a splitting configuration where the reactive material is at a second temperature that is lower than the first, the feedstock inlet open and introducing feedstock gas into the cavity to reoxidize the reactive material and split into a product gas.Type: GrantFiled: December 9, 2020Date of Patent: March 12, 2024Assignee: Arizona Board of Regents on behalf of Arizona State UniversityInventor: Ivan Ermanoski
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Patent number: 11925930Abstract: In an apparatus, a gas containing CH4 and CO2 is supplied from a first supply unit to a synthetic gas production unit which generates a synthetic gas containing CO and H2 while heating a first catalytic structure; the synthetic gas is supplied to a gas production unit which generates a lower olefin-containing gas including propylene while heating a second catalytic structure; and a detection unit detects propylene discharged from the gas production unit. The first catalytic structure includes first supports having a porous structure and a first metal fine particle that is present in first channels of the first supports. The second catalyst structure includes second supports having a porous structure and a second metal fine particle in the second supports. The second supports have a second channels, a portion of which have an average inner diameter of 0.95 nm or less.Type: GrantFiled: December 3, 2019Date of Patent: March 12, 2024Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Yuichiro Banba, Kaori Sekine, Yukako Nakai, Mai Nishii, Masayuki Fukushima, Sadahiro Kato, Takao Masuda, Yuta Nakasaka, Takuya Yoshikawa
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Patent number: 11834617Abstract: A fly ash recycling gasification furnace includes a fly ash burner, an ash remover, a fly ash storage tank, a variable pressure lock hopper, a fly ash blending system, an exhaust filter, and a backflushing nitrogen buffer tank. The fly ash burner is located on an inner wall of a hearth of the gasification furnace. The ash remover has an inlet connected to an outlet of a waste boiler of the gasification furnace. The fly ash storage tank is connected to a pressurized nitrogen inlet pipe, and a bottom outlet of the ash remover. The variable pressure lock hopper is connected to the fly ash storage tank. The fly ash blending system is connected to the variable pressure lock hopper and the fly ash burner. The exhaust filter is connected to the storage tank, the lock hopper and the blending system. The buffer tank is connected to the exhaust filter.Type: GrantFiled: July 7, 2022Date of Patent: December 5, 2023Assignee: HUANENG CLEAN ENERGY RESEARCH INSTITUTEInventors: Yue Xu, Lizhen Luo, Yongqiang Ren, Jiye Tao, Pengjie Wang, Xiaoyu Li, Gang Liu, Zhi Chen, Qiang Fan, Yuan Liu, Jianming Qin, Ping Wu, Ruichao Wang
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Patent number: 11834338Abstract: Continuous thermolysis of carbonaceous matter in a controlled temperature and steam environment to produce a low volatility char, with subsequent steam activation of the char under pressure producing activated carbon and pressurized syn-gas, all of which are carried out in a reactor system including one or more vessels. The syn-gas is enriched in hydrogen in a high temperature shift reactor and separated in a pressurized swing adsorber to provide a pressurized pure hydrogen stream and a low-pressure combustible tail gas. The tail gas and the volatiles from the thermolysis step are combusted to provide process steam and electric power. The electric power is used to supplement the thermal requirements of the process with the balance being exported.Type: GrantFiled: May 24, 2022Date of Patent: December 5, 2023Inventors: John W. Black, Russel M. Adams
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Patent number: 11794168Abstract: The present invention relates to a process for preparing a pre-reforming catalyst having resistance to deactivation by passage of steam in the absence of a reducing agent comprising ruthenium and an alumina support. Furthermore, the Ru/alumina catalyst according to the present invention becomes much more resistant to deposition of coke with the addition of Ag.Type: GrantFiled: September 28, 2018Date of Patent: October 24, 2023Assignee: PETRÓLEO BRASILEIRO S.A.—PETROBRASInventor: Roberto Carlos Pontes Bittencourt
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Patent number: 11780730Abstract: A reformer tube for producing synthesis gas by steam reforming of hydrocarbon-containing input gases is proposed where an outer shell tube is divided by means of a separating tray into the reaction chamber and an exit chamber, a dumped bed of a steam-reforming-active, solid catalyst is arranged in the reaction chamber, at least one heat exchanger tube is arranged inside the reaction chamber and inside the dumped catalyst bed whose entry end is in fluid connection with the catalyst bed and whose exit end is in fluid connection with the exit chamber, wherein gas-contacted parts of the reformer tube, in particular the at least one heat exchanger tube, are fabricated from a nickel-based alloy and coated on their inside with an aluminum diffusion layer.Type: GrantFiled: November 21, 2017Date of Patent: October 10, 2023Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Dieter Ulber, Sebastien Doublet, Pascal Del-Gallo, Laurent Prost
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Patent number: 11766637Abstract: A process and apparatus for producing pure hydrogen from a syngas generated by the high temperature gasification of municipal, agricultural or industrial derived wastes. The process is able to make pure hydrogen to be further reacted with nitrogen to make ammonia and urea.Type: GrantFiled: October 25, 2016Date of Patent: September 26, 2023Assignee: NEXTCHEM S.P.A.Inventors: Gaetano Iaquaniello, Annarita Salladini, Elena Antonetti
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Patent number: 11760631Abstract: A system and method for processing unconditioned syngas first removes solids and semi-volatile organic compounds (SVOC), then removes volatile organic compounds (VOC), and then removes at least one sulfur containing compound from the syngas. Additional processing may be performed depending on such factors as the source of syngas being processed, the products, byproducts and intermediate products desired to be formed, captured or recycled and environmental considerations.Type: GrantFiled: November 23, 2021Date of Patent: September 19, 2023Assignee: ThermoChem Recovery International, Inc.Inventors: Ravi Chandran, Daniel Michael Leo, Shawn Robert Freitas, Dave G. Newport, Hamilton Sean Michael Whitney, Daniel A. Burciaga
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Patent number: 11702605Abstract: A plant and a method for the production of hydrogen and bicarbonate. The plant includes a gasifier, a reformer, a direct contact exchanger and an apparatus for the production of bicarbonate. The plant is suitable for receiving fuel, oxygen, water, carbonate, brine at the inlet and for producing hydrogen, bicarbonate and calcium chloride at the outlet. The plant uses a self-cleaning direct contact heat exchanger to cool the syngas downstream of the reformer and to produce the superheated steam that feeds the gasifier: this heat exchanger allows the production of hydrogen at low costs and in modular plants.Type: GrantFiled: January 21, 2021Date of Patent: July 18, 2023Assignee: BLUEREVO IP B.V.Inventors: Giovanni Cappello, Dennis Alexander Ross Morrey, Valdis Bisters, Juris Kalviss
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Patent number: 11701646Abstract: A structured catalyst for steam reforming of the present disclosure is used for producing reformed gas containing hydrogen from a reforming raw material containing hydrocarbon, and includes a support having a porous structure constituted of a zeolite-type compound, and at least one catalytic substance present inside the support. The support includes channels connecting with each other, and the catalytic substance is metal nanoparticles and present at least in the channels of the support.Type: GrantFiled: November 27, 2019Date of Patent: July 18, 2023Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Takao Masuda, Yuta Nakasaka, Takuya Yoshikawa, Sadahiro Kato, Masayuki Fukushima, Hiroko Takahashi, Yuichiro Banba, Kaori Sekine
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Patent number: 11697779Abstract: A process and apparatus for producing syngas from low grade coal and from a biomass wherein the process includes (i) gasification of a mixture of low grade coal and biomass, (ii) reforming the gasified mixture, and (iii) removing CO2 from the gasified and reformed syngas mixture.Type: GrantFiled: March 22, 2019Date of Patent: July 11, 2023Assignees: King Fahd University of Petroleum and Minerals, King Abdulaziz City for Science and TechnologyInventors: Mohammad Mozahar Hossain, Muflih Arisa Adnan
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Patent number: 11666860Abstract: A methane destruction apparatus for capturing and converting fugitive methane gas emissions into carbon dioxide and water comprises a methane-capturing module for capturing the fugitive methane gas emissions and a methane conversion module for receiving captured methane from the methane-capturing module. The methane-capturing module includes a fugitive methane gas emission intake connected to an emissions line having a backpressure equal to 1 to 3 inches of water (249 to 746 Pa), a natural gas feed for feeding natural gas into the methane-capturing module, may include a relief vent for preventing overpressure within the methane-capturing module and a drain for draining liquids that have condensed within the methane-capturing module. The methane conversion module includes a conversion pad for catalytically converting the captured methane into carbon dioxide and water, a water vapour opening for outputting the water and a carbon dioxide opening for outputting the carbon dioxide.Type: GrantFiled: November 25, 2020Date of Patent: June 6, 2023Assignee: Thermon Canada Inc.Inventor: Alejandro Maldonado
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Patent number: 11649164Abstract: A synthesis gas plant for producing synthesis gas, said synthesis gas plant including an electrically heated reforming reactor system including a first catalyst active for catalyzing steam methane reforming reaction, said electrically heated reforming reactor system being arranged to receive a feed gas comprising hydrocarbons and outletting a first synthesis gas stream. The synthesis gas plant also includes a post converter downstream the electrically heated reforming reactor system, said post converter housing a second catalyst active for catalyzing steam methane reforming/methanation reactions and reverse water gas shift reaction, said post converter being arranged to receive at least part of said first synthesis gas stream and outletting a second synthesis gas stream. Furthermore, the synthesis gas plant includes means for adding a heated CO2 rich gas stream to the at least part of the first synthesis gas stream upstream the post converter and/or into the post converter.Type: GrantFiled: November 15, 2018Date of Patent: May 16, 2023Assignee: HALDOR TOPSØE A/SInventor: Peter Mølgaard Mortensen
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Patent number: 11643609Abstract: The present disclosure relates to a process and a system for producing synthesis gas. The carbonaceous feedstock is gasified, in the presence of at least one of oxygen and steam, in a first reactor to obtain a gaseous mixture comprising H2, CO, CH4, CO2, H2O, tar and char. The gaseous mixture is treated in a second reactor, in the presence of a catalyst, to obtain synthesis gas. The system comprises a first reactor, a connecting conduit, a second reactor, at least one cyclone separator, at least one heat exchanger and at least one synthesis gas filter unit. The process and the system of the present disclosure are capable of producing synthesis gas with comparatively higher conversion of the unreacted char.Type: GrantFiled: August 4, 2017Date of Patent: May 9, 2023Assignee: RELIANCE INDUSTRIES LIMITEDInventors: Sateesh Daggupati, Clifton Gregg Keeler, Sukumar Mandal, Asit Kumar Das, Sachchit Kumar Majhi, Ajay Gupta, Ajit Vish Sapre
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Patent number: 11631876Abstract: The present disclosure is directed to compositions and structures of supported metal catalysts for use in applications such as direct methanol fuel cells. Generally, implementations include supported metal catalysts that include Pt active sites that have been modified by addition or co-localization of a second metal such as Cu, Co, Ni, and/or other base metals to lower the inhibiting effect of strongly-adsorbed CO, an intermediate of methanol oxidation. An example aspect of the present disclosure includes catalyst compositions where the exterior metal sites in the supported catalyst include at least two metals: Pt and a competitive binder (e.g., a second metal).Type: GrantFiled: January 22, 2020Date of Patent: April 18, 2023Assignee: University of South CarolinaInventors: John R. Monnier, Gregory L. Tate, Wen Xiong, Benjamin H. Meekins
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Patent number: 11623863Abstract: Techniques for converting carbonate material to carbon monoxide include transferring heat and at least one feed stream that includes a carbonate material and at least one of hydrogen, oxygen, water, or a hydrocarbon, into an integrated calcination and syngas production system that includes a syngas generating calciner (SGC) reactor; calcining the carbonate material to produce a carbon dioxide product and a solid oxide product; initiating a syngas production reaction; producing, from the syngas production reaction, at least one syngas product that includes at least one of a carbon monoxide product, a water product or a hydrogen product; and transferring at least one of the solid oxide product or the at least one syngas product out of the SGC reactor.Type: GrantFiled: December 12, 2018Date of Patent: April 11, 2023Assignee: Carbon Engineering Ltd.Inventors: Jenny Sara Jean McCahill, Douglas Edward Olmstead, Kenton Robert Heidel, Navjot Kaur Sandhu
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Patent number: 11618860Abstract: The present invention provides a process for the manufacture of a useful product from carbonaceous feedstock of fluctuating compositional characteristics, the process comprising the steps of: continuously providing the carbonaceous feedstock of fluctuating compositional characteristics to a gasification zone; gasifying the carbonaceous feedstock in the gasification zone to obtain raw synthesis gas; sequentially removing ammoniacal, sulphurous and carbon dioxide impurities from the raw synthesis gas to form desulphurised gas and recovering carbon dioxide in substantially pure form; converting at least a portion of the desulphurised synthesis gas to a useful product. Despite having selected a more energy intensive sub-process i.e. physical absorption for removal of acid gas impurities, the overall power requirement of the facility is lower on account of lower steam requirements and thereby leading to a decrease in the carbon intensity score for the facility.Type: GrantFiled: April 7, 2021Date of Patent: April 4, 2023Assignee: Velocys Technologies Ltd.Inventors: Ivan Philip Greager, Roger Allen Harris, Neil Alexander King, Soumitra R. Deshmukh, Zheyan Qiu
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Patent number: 11560308Abstract: Method and plant for generating a synthesis gas which consists mainly of carbon monoxide and hydrogen and has been freed of acid gases, proceeding from a hydrocarbonaceous fuel, and air and steam, wherein low-temperature fractionation separates air into an oxygen stream, a tail gas stream and a nitrogen stream, wherein the tail gas stream and the nitrogen stream are at ambient temperature and the nitrogen stream is at elevated pressure, wherein the hydrocarbonaceous fuel, having been mixed with the oxygen stream and steam at elevated temperature and elevated pressure, is converted to a synthesis gas by a method known to those skilled in the art, and wherein acid gas is subsequently separated therefrom by low-temperature absorption in an absorption column, wherein the nitrogen stream generated in the fractionation of air is passed through and simultaneously cooled in an expansion turbine and then used to cool either the absorbent or the coolant circulating in the coolant circuit of the compression refrigeratioType: GrantFiled: November 20, 2017Date of Patent: January 24, 2023Assignee: L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges ClaudeInventors: Lucie Chaubet, Frederic Bonne, Camille Bouet, Holger Schlichting, Marc Wagner
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Patent number: 11547985Abstract: A catalyst support comprising at least 95% silicon carbide, having surface areas of ?10 m2/g and pore volumes of ?1 cc/g. A method of producing a catalyst support, the method including mixing SiC particles of 0.1-20 microns, SiO2 and carbonaceous materials to form an extrusion, under inert atmospheres, heating the extrusion at temperatures of greater than 1400° C., and removing residual carbon from the heated support under temperatures below 1000° C. A catalyst on a carrier, comprising a carrier support having at least about 95% SiC, with a silver solution impregnated thereon comprising silver oxide, ethylenediamine, oxalic acid, monoethanolamine and cesium hydroxide. A process for oxidation reactions (e.g., for the production of ethylene oxide, or oxidation reactions using propane or methane), or for endothermic reactions (e.g., dehydrogenation of paraffins, of ethyl benzene, or cracking and hydrocracking hydrocarbons).Type: GrantFiled: August 18, 2021Date of Patent: January 10, 2023Inventor: Madan Mohan Bhasin
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Patent number: 11518724Abstract: A method for preparing a carbonaceous product includes providing oxygen, in particular from electrolysis, and providing a fuel. The method also includes combusting the fuel with the oxygen by an oxy-fuel combustion process in order to provide energy, purifying a flue gas produced by the oxy-fuel combustion process, and separating carbon dioxide from the flue gas produced by the oxy-fuel combustion process, wherein energy provided by the oxy-fuel combustion process includes, in particular exclusively, heat which is used as process heat for purifying and/or for synthesising or providing the carbonaceous product. A corresponding system is designed to carry out the described method.Type: GrantFiled: July 30, 2019Date of Patent: December 6, 2022Assignee: Siemens Energy Global GmbH & Co. KGInventors: Frank Hannemann, Gerhard Zimmermann
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Patent number: 11506122Abstract: The present disclosure relates to systems and methods useful for power production. In particular, a power production cycle utilizing CO2 as a working fluid may be configured for simultaneous hydrogen production. Beneficially, substantially all carbon arising from combustion in power production and hydrogen production is captured in the form of carbon dioxide. Further, produced hydrogen (optionally mixed with nitrogen received from an air separation unit) can be input as fuel in a gas turbine combined cycle unit for additional power production therein without any atmospheric CO2 discharge.Type: GrantFiled: November 9, 2017Date of Patent: November 22, 2022Assignee: 8 Rivers Capital, LLCInventors: Rodney John Allam, Navid Rafati
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Patent number: 11498834Abstract: An H2-rich fuel gas stream can be advantageously produced by reforming a hydrocarbon/steam mixture in to produce a reformed stream, followed by cooling the reformed stream in a waste-heat recovery unit to produce a high-pressure steam stream, shifting the cooled reformed stream a first shifted stream, cooling the first shifted stream, shifting the cooled first shifted stream to produce a second shifted stream, cooling the second shifted stream, abating water from the cooled second shifted stream to obtain a crude gas mixture stream comprising H2 and CO2, and recovering a CO2 stream from the crude gas mixture stream. The H2-rich stream can be advantageously combusted to provide thermal energy needed for residential, office, and/or industrial applications including in the H2-rich fuel gas production process. The H2-rich fuel gas production process can be advantageously integrated with an olefins production plant comprising a steam cracker.Type: GrantFiled: September 24, 2021Date of Patent: November 15, 2022Assignee: ExxonMobil Chemical Patents Inc.Inventors: David Spicer, Thomas T. Hirst, James L. Kendall, You Fang
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Patent number: 11492315Abstract: There is a process for the production of methanol from gaseous hydrocarbons. The process has the following stages: (a) treating said gaseous hydrocarbons in a desulfurization unit to produce a desulfurized hydrocarbon gas; (b) reacting the desulfurized gas with an oxidizing flow by means of a short contact time partial catalytic oxidation reaction to produce synthesis gas; (c) producing hydrogen by electrolysis of water; (d) mixing and compressing synthesis gas and hydrogen; and (e) sending said compressed mixture to a methanol synthesis unit to produce methanol.Type: GrantFiled: September 18, 2019Date of Patent: November 8, 2022Assignee: ENI S.P.A.Inventors: Luca Eugenio Riccardo Basini, Chiara Busto, Michele Villani
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Patent number: 11479727Abstract: A feedstock flexible process for converting feedstock into oil and gas includes (i) indirectly heated hydrous devolatilization of volatile feedstock components, (ii) indirectly heated thermochemical conversion of fixed carbon feedstock components, (iii) heat integration and recovery, (iv) vapor and gas pressurization, and (v) vapor and gas clean-up and product recovery. A system and method for feedstock conversion includes a thermochemical reactor integrated with one or more hydrous devolatilization and solids circulation subsystems configured to accept a feedstock mixture, comprised of volatile feedstock components and fixed carbon feedstock components, and continuously produce a volatile reaction product stream therefrom, while simultaneously and continuously capturing, transferring, and converting the fixed carbon feedstock components to syngas.Type: GrantFiled: November 5, 2012Date of Patent: October 25, 2022Assignee: ThermoChem Recovery International, Inc.Inventors: Ravi Chandran, Daniel Michael Leo, Shawn Robert Freitas
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Patent number: 11472713Abstract: Disclosed herein are aluminum oxide aerogels and methods of making and use thereof. The methods of making the aluminum oxide aerogel include contacting a solid comprising aluminum with a Ga-based liquid alloy to dissolve at least a portion of the aluminum from the solid, thereby forming an aluminum-alloy mixture; and contacting the aluminum-alloy mixture with a fluid comprising water, thereby forming the aluminum oxide aerogel. In some examples, the methods can further comprise capturing and converting carbon dioxide to a syngas comprising carbon monoxide and hydrogen.Type: GrantFiled: October 3, 2018Date of Patent: October 18, 2022Assignee: North Carolina State UniversityInventors: Paul Maggard, Jerome J. Cuomo, Keith Markham, William Kiether
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Patent number: 11459281Abstract: A process for producing acetylene and syngas by partial oxidation of hydrocarbons with oxygen, involving: separately preheating a hydrocarbon and a oxygen-comprising input stream; mixing in a mass flow ratio of the oxygen-comprising to hydrocarbon stream at an oxygen number no more than 0.31; feeding the streams via a burner block to a combustion chamber and therein partially oxidizing the hydrocarbon(s) to a cracking gas; quenching the cracking gas to 80 to 90° C. downstream by injecting an aqueous quench medium to obtain a process water stream-1 and a product gas stream-2; cooling the product gas stream-2 in a cooling column by direct heat exchange with cooling water to obtain a process water stream-2 as bottoms, a product gas stream-2 as uppers, and a sidestream; and depleting the sidestream of soot in an electrofilter to generate therein a process water stream-3 combined with water streams-1/2 to afford the process water stream-4.Type: GrantFiled: April 8, 2019Date of Patent: October 4, 2022Assignee: BASF SEInventors: Maximilian Vicari, Christian Weichert, Christopher Alec Anderlohr, Wolfgang Reif
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Patent number: 11433353Abstract: Methods and systems for the separation of hydrogen isotopes from one another are described. Methods include utilization of a hydrogen isotope selective separation membrane that includes a hydrogen isotope selective layer (e.g., graphene) and a hydrogen ion conductive supporting layer. An electronic driving force encourages passage of isotopes selectively across the membrane at an elevated separation temperature to enrich the product in a selected hydrogen isotope.Type: GrantFiled: June 6, 2019Date of Patent: September 6, 2022Assignees: Savannah River Nuclear Solutions, LLC, Clemson University Research Foundation, Georgia Tech Research CorporationInventors: Dale A. Hitchcock, Steven M. Serkiz, Timothy M. Krentz, Josef A. Velten, Kyle S. Brinkman, Eric M. Vogel, Katherine T. Young
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Patent number: 11427467Abstract: The invention provides a calcined Fex—Aly—Oz based catalyst for the decomposition of hydrocarbons such as methane to produce hydrogen and carbon. The catalyst comprises iron oxide mixed with aluminum oxide and calcined at temperatures above 1100° C., where Fex—Aly—Oz is a chemical composition with x>0.1, y>0.1, z?0 and 0<x/y<200. Reaction of the calcined Fex—Aly—Oz catalyst with methane generates a product stream comprising at least 40 vol. % H2 and carbon. In an embodiment, carbon is separated from the catalyst and the catalyst is reused for continuous methane decomposition to produce H2.Type: GrantFiled: March 21, 2019Date of Patent: August 30, 2022Assignee: Energy, United States Department ofInventors: Ranjani Siriwardane, William Benincosa, Jarrett Riley