Autothermal Patents (Class 422/628)
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Patent number: 12209747Abstract: Provided is a boiler including a heat generation body, a container including the heat generation body, and a water pipe to be heated by heat generated by the heat generation body under environment where the inside of the container is filled with gas with higher specific heat than that of air.Type: GrantFiled: October 25, 2019Date of Patent: January 28, 2025Assignees: MIURA CO., LTD., Clean Planet Inc.Inventors: Kazuyuki Otani, Nobuyuki Ishizaki
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Patent number: 11383978Abstract: A heat integrated steam reformer, which incorporates a catalytic combustor, which can be used in a fuel processor for hydrogen production from a fuel source, is described. The reformer assembly comprises a reforming section and a combustion section, separated by a wall. Catalyst (21) able to induce the reforming reactions is placed in the reforming section, either in the form of pellets or in the form of coating on a suitable structured catalyst substrate such as fecralloy sheets. Catalyst (22) able to induce the combustion reactions is placed in the combustion section in the form of coating on suitable structured catalyst substrate such as fecralloy sheet. A steam and fuel mixture (30) is supplied to the reforming section (14) where it is reformed to produce hydrogen. A fuel and an oxygen (32) containing gas mixture is supplied to the combustion section where it is catalytically combusted to supply the heat for the reformer.Type: GrantFiled: July 31, 2020Date of Patent: July 12, 2022Assignee: Helbio S.A.Inventors: Xenophon Verykios, Thomas Halkides, Andreas Stavrakas, Aris Basagiannis
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Patent number: 9017642Abstract: A process for reducing free oxygen in a hydrocarbon gas stream comprises the steps of (i) forming a gas mixture containing hydrogen from a hydrocarbon, (ii) mixing the hydrogen gas mixture with a gaseous hydrocarbon stream containing free oxygen, and (iii) passing the resulting hydrocarbon gas mixture over a conversion catalyst that converts at least a portion of the free oxygen present in the gaseous hydrocarbon to steam.Type: GrantFiled: March 5, 2007Date of Patent: April 28, 2015Assignee: Johnson Matthey PLCInventors: Peter John Herbert Carnell, Martin Fowles, Raymond Anthony Hadden, Suzanne Rose Ellis
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Patent number: 8986631Abstract: A reactor vessel for performing a steam reforming reaction having a vessel inlet for natural gas and steam; a vessel inlet for a hot gaseous medium; a vessel outlet for the steam reforming product; and a reactor space which is a bed of steam reforming catalyst, which reactor space inlet is fluidly connected to the inlet for natural gas and steam and at its outlet end fluidly connected with the outlet for the gaseous product; wherein inside the catalyst bed a passageway is provided fluidly connected to the vessel inlet for the hot gaseous medium for passage of hot gaseous mixture counter currently to the flow of reactants in the catalyst bed.Type: GrantFiled: November 3, 2008Date of Patent: March 24, 2015Assignee: Shell Oil CompanyInventors: Wouter Detlof Berggren, Franciscus Gerardus Van Dongen, Thian Hoey Tio, Pieter Lammert Zuideveld
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Patent number: 8968685Abstract: A fuel processing system for converting a logistical fuel and air into a liquid product comprising methanol. One such system comprises a fuel injection system configured to combine a logistical fuel and ambient air to produce a logistical fuel and air mixture, a synthesis gas production system configured to convert the logistical fuel and air mixture to synthesis gas, and a methanol synthesis system configured to convert the synthesis gas to a crude methanol liquid. Related methods are additionally disclosed.Type: GrantFiled: April 26, 2011Date of Patent: March 3, 2015Assignee: Alliant TechSystems Inc.Inventors: Sabrina Hawkins, Jason S. Tyll, Florin Girlea
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Patent number: 8936656Abstract: Disclosed herein is a hydrogen generator for producing hydrogen by the steam-reforming reaction of hydrocarbons, in which a pressure loss induction structure for artificially reducing the pressure of exhaust gas is provided between a combustion unit and an exhaust gas discharge pipe, thus improving the uneven distribution of exhaust gas.Type: GrantFiled: February 9, 2011Date of Patent: January 20, 2015Assignee: SK Innovation Co., Ltd.Inventors: Young Dae Kim, Jae Suk Choi, Jin Sik Yang, Myung Jun Kim
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Patent number: 8920732Abstract: The present disclosure is directed to systems and methods for actively controlling the steam-to-carbon ratio in hydrogen-producing fuel processing systems that include a feedstock delivery system. The feedstock delivery system supplies a combined feedstock stream including steam and carbon-containing feedstock to a hydrogen-producing region, which produces a mixed gas stream including hydrogen gas as a majority component therefrom. The systems and methods may include measuring a thermodynamic property of a steam stream, a carbon-containing feedstock stream, and/or the combined feedstock stream and controlling the flow rate and/or pressure of a water stream, the steam stream, and/or the carbon-containing feedstock stream based on a desired steam-to-carbon ratio in the combined feedstock stream and/or a desired flow rate of the mixed gas stream and may include feedforward and/or feedback control strategies.Type: GrantFiled: February 15, 2011Date of Patent: December 30, 2014Assignee: DCNSInventors: Zhen Chen, Xun Ouyang
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Patent number: 8858900Abstract: This invention relates to a power recovery process in waste steam/CO2 reformers whereby a waste stream can be made to release energy without having to burn the waste or the syngas. This invention does not make use of fuel cells as its critical component but makes use of highly exothermic chemical reactors using syngas to produce large amounts of heat, such as Fischer-Tropsch. It also relates to control or elimination of the emissions of greenhouse gases in the power recovery process of this invention with the goal of producing energy in the future carbonless world economy. A New Concept for a duplex kiln was developed that has the combined functionality of steam/CO2 reforming, heat transfer, solids removal, filtration, and heat recovery.Type: GrantFiled: October 14, 2008Date of Patent: October 14, 2014Assignee: Intellergy, Inc.Inventor: Terry Galloway
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Publication number: 20140148519Abstract: A hybrid plant and method for producing liquid fuel product from hydrogen and carbon monoxide containing streams produced by gasifying solid carbonaceous feedstock and steam reforming of light fossil fuels. When a gasification unit in the hybrid plant is operating at reduced capacity or is not operational, oxygen that would have been used in the gasification unit is diverted to a light fossil fuel conversion unit containing an autothermal reformer to increase H2-rich syngas flow to a liquid fuel production unit and maintain liquid fuel production at near nameplate capacity.Type: ApplicationFiled: November 27, 2012Publication date: May 29, 2014Inventors: RAYMOND F. DRNEVICH, Shrikar Chakravarti, Minish M. Shah
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Patent number: 8697016Abstract: A reactor in the form of an essentially horizontal cylinder for carrying out an autothermal gas-phase dehydrogenation of a hydrocarbon-comprising gas stream by means of an oxygen-comprising gas stream to give a reaction gas mixture over a heterogeneous catalyst configured as monolith is disclosed herein. The interior of the reactor is divided by a detachable, cylindrical or prismatic housing which is arranged in the longitudinal direction of the reactor, gastight in the circumferential direction and open at two end faces of the housing into an inner region, having one or more catalytically active zones. In each case, a packing composed of monoliths may be stacked on top of one another, next to one another, and above one another and before each catalytically active zone. Also in each case, a mixing zone having solid internals and an outer region arranged coaxially to the inner region are provided.Type: GrantFiled: December 1, 2010Date of Patent: April 15, 2014Assignee: BASF SEInventors: Grigorios Kolios, Wilhelm Ruppel, Ulrike Wegerle, Jasmina Kessel, Wolfgang Gerlinger, Godwind Tafara Peter Mabande, Goetz-Peter Schindler, Albena Kostova, Gerhard Olbert, Peter Pfab
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Patent number: 8617265Abstract: A method and apparatus for generation of hydrogen. The apparatus includes a hydrogen reactor chamber (99) and a plurality of catalysts within the chamber (99) forming distinct zones or portions (200, 202, and 204), each zone or portion comprising a distinct catalyst or combination thereof. The plurality of catalysts include at least one of a high-activity steam reformation catalyst, coke resistant steam reformation catalyst and steam reformation catalyst that promotes a water gas shift reaction.Type: GrantFiled: April 12, 2005Date of Patent: December 31, 2013Assignee: Intelligent Energy, Inc.Inventor: Anand Chellappa
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Publication number: 20130345324Abstract: A process and plant for the production of synthesis gas by a series arrangement of heat exchange reforming and autothermal reforming stages, in which the heat required for the reforming reactions in the heat exchange reforming stage is provided by hot effluent synthesis gas from the autothermal reforming stage. The invention optimizes the operation and control of an arrangement of heat exchange reforming and autothermal reforming stages and involves the introduction of an additional waste heat boiler.Type: ApplicationFiled: July 5, 2012Publication date: December 26, 2013Inventors: Bjerg Lari Knudsen, Frahm Martin Jensen
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Patent number: 8580211Abstract: An apparatus is described which comprises at least one process microchannel having a height, width and length, the height being up to about 10 mm, the process microchannel having a base wall extending in one direction along the width of the process microchannel and in another direction along the length of the process microchannel; at least one fin projecting into the process microchannel from the base wall and extending along at least part of the length of the process microchannel; and a catalyst or sorption medium supported by the fin.Type: GrantFiled: September 14, 2010Date of Patent: November 12, 2013Assignee: Velocys, Inc.Inventors: Anna Lee Tonkovich, Dongming Qiu, Richard Q. Long, Barry L. Yang, Thomas Yuschak, Steven T. Perry
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Patent number: 8501102Abstract: A hydrogen generator is described, which comprises: a material supply device (4); a water supply device (5); an evaporator (10); a reforming catalyst layer (1) for generating reformed gas; a CO removing catalyst layer (2) configured to reduce the amount of carbon monoxide contained in the reformed gas generated by the reforming catalyst layer (1); a combustor (3) for heating the reforming catalyst layer (1) and the CO removing catalyst layer (2); a reforming temperature detector (9) for detecting the temperature of the reforming catalyst layer (1); a heater (7) for heating the CO removing catalyst layer (2); a CO removing temperature detector (8) for detecting the temperature of the CO removing catalyst layer (2); and a controller (16) configured to perform control such that the heater (7) heats the CO removing catalyst layer at the time of start-up and such that if the temperature detected by the CO removing temperature detector (8) becomes greater than or equal to a first specified value, the combustor (3)Type: GrantFiled: August 26, 2010Date of Patent: August 6, 2013Assignee: Panasonic CorporationInventors: Akira Maenishi, Yukimune Kani, Yuji Mukai
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Patent number: 8486163Abstract: A micro reforming reactor includes a first substrate with a micro channel having a width of less than 1,000 ?m bonded to a second substrate to form a micro tunnel. An adhesive layer is formed on the internal walls of the micro tunnel using a flow coating method. A catalyst may then be optionally formed on the adhesive coated internal walls of the micro tunnel, also using a flow coating method.Type: GrantFiled: October 19, 2006Date of Patent: July 16, 2013Assignees: Samsung SDI Co., Ltd., Seoul National University Industry FoundationInventors: Ju-Yong Kim, Ho-Jin Kweon, Jae-Jeong Kim, Oh-Joong Kwon, Sun-Mi Hwang
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Device for mixing gas and for distributing the resulting mixture to the inlet of a catalytic reactor
Patent number: 8475728Abstract: A device for mixing and distributing two gases upstream of the catalytic zone of a reactor by producing a homogeneous mixture and a profile of velocities which are as flat as possible. The device uses a plurality of internal chambers (I) enclosed in an external chamber (II), the external chamber communicating with each of the internal chambers via orifices pierced in the wall of said internal chambers (I) at a well-defined height. The external chamber (II) is provided with a perforated plate placed at a distance H2 from the inlet pipe for said chamber (II). The device is applied to the inlet of an autothermal reactor.Type: GrantFiled: July 20, 2010Date of Patent: July 2, 2013Assignee: IFP Energies NouvellesInventors: Christophe Boyer, Andre Nicolle -
Patent number: 8465563Abstract: In a process for producing synthesis gas by catalytic conversion of hydrocarbons contained in a desulfurized feed gas stream with steam, the mixture of feed gas and steam is preheated by heat exchange at a pressure of 10 to 45 bar to a temperature of 300 to 700° C. and is subsequently heated by heat exchange above a catalyst at a pressure of 10 to 45 bar to a temperature of 650 to 950° C. To minimize the apparatus involved, it is provided that the mixture of feed gas and steam traverses a catalyst bed contained in a reaction tank, and the catalyst bed is heated by thermal radiation and convection.Type: GrantFiled: December 1, 2005Date of Patent: June 18, 2013Assignee: Lurgi AGInventors: Daniel Mateos-Queiruga, Ulrich Wolf
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Patent number: 8455707Abstract: The present invention provides a process for the manufacture of acetylene and other higher hydrocarbons from methane feed using a reverse-flow reactor system, wherein the reactor system includes (i) a first reactor and (ii) a second reactor, the first and second reactors oriented in a series relationship with respect to each other, the process comprising supplying each of first and second reactant through separate channels in the first reactor bed of a reverse-flow reactor such that both of the first and second reactants serve to quench the first reactor bed, without the first and second reactants substantially reacting with each other until reaching the core of the reactor system.Type: GrantFiled: September 20, 2010Date of Patent: June 4, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Frank Hershkowitz, John Scott Buchanan, Harry W. Deckman, Jeffrey W. Frederick
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Patent number: 8454911Abstract: The present invention provides a process for the manufacture of acetylene and other higher hydrocarbons from methane feed using a reverse-flow reactor system, wherein the reactor system includes (i) a first reactor and (ii) a second reactor, the first and second reactors oriented in a series relationship with respect to each other, the process comprising supplying each of first and second reactant through separate channels in the first reactor bed of a reverse-flow reactor such that both of the first and second reactants serve to quench the first reactor bed, without the first and second reactants substantially reacting with each other until reaching the core of the reactor system.Type: GrantFiled: September 20, 2010Date of Patent: June 4, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Frank Hershkowitz, John Scott Buchanan, Harry W. Deckman, Jeffrey W. Frederick
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Patent number: 8287825Abstract: Apparatus and process for reformulating liquid fuel. In one step of the process the fuel is fractioned into light and heavy fractionates. The light fractionate is then reformed in a steam reformer into a reformed fuel that is suitable for use in fuel cells or other energy-producing devices. The heavy fractionate is burned with a part of the resulting heat used in the reforming step. In one process the light fractionate is desulfurized before entering the reforming step. In another process the heavy fractionate is directed into a holding vessel for subsequent use as a fuel which is suitable for burning to produce heat or other energy.Type: GrantFiled: November 23, 2007Date of Patent: October 16, 2012Assignee: Altex TechnologiesInventors: Mehdi Namazian, John T. Kelly
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Patent number: 8263027Abstract: Apparatus and methods for the production of hydrogen using a reformer including a housing, a first plate having a first plurality of fin structures and a second plate having a second plurality of fin structures assembled such that the first plurality of fin structures is interleaved with the second plurality of fin structures. At least one inlet port is formed in at least one of the first plate and the second plate, and at least one outlet port is formed in at least one of the first plate and the second plate. The fin structures may be coated with a catalytic material to enhance or stimulate reactions taking place within the apparatus. A heat exchange device may also be integrated into one or both plates of the reformer.Type: GrantFiled: August 12, 2009Date of Patent: September 11, 2012Assignee: Alliant Techsystems Inc.Inventors: Florin Girlea, John C. Leylegian
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Patent number: 8119076Abstract: In one aspect, the inventive process comprises a process for pyrolyzing a hydrocarbon feedstock containing nonvolatiles in a regenerative pyrolysis reactor system. The inventive process comprises: (a) heating the nonvolatile-containing hydrocarbon feedstock upstream of a regenerative pyrolysis reactor system to a temperature sufficient to form a vapor phase that is essentially free of nonvolatiles and a liquid phase containing the nonvolatiles; (b) separating said vapor phase from said liquid phase; (c) feeding the separated vapor phase to the pyrolysis reactor system; and (d) converting the separated vapor phase in said pyrolysis reactor system to form a pyrolysis product.Type: GrantFiled: February 3, 2011Date of Patent: February 21, 2012Assignee: ExxonMobil Chemical Patents Inc.Inventors: Paul F. Keusenkothen, James N. McCoy, Judith Hey, legal representative, Frank Hershkowitz
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Patent number: 8101141Abstract: A unified fuel processing reactor for a solid oxide fuel cell can reform hydrocarbon-based fuel into hydrogen-rich gas, remove a sulfur component, and convert non-converted fuel and a low carbon (C2˜C5) hydrocarbon compound into hydrogen and methane in a single reactor. The reactor comprises a primary-reformer which reforms a hydrocarbon-base fuel and generates hydrogen-rich reformed gas, a desulfurizer which removes a sulfur component from the reformed gas, and a post-reformer which selectively decomposes a low carbon (C2˜C5) hydrocarbon in the desulfurized reformed gas into hydrogen and methane. The primary-reformer, desulfurizer and post-reformer are in the unified reactor and isolated, except for a fluid passage, from each other by internal partition walls. The primary-reformer is disposed at a center portion of the reactor. The post-reformer and the desulfurizer are concentrically disposed outside of the primary-reformer.Type: GrantFiled: April 24, 2009Date of Patent: January 24, 2012Assignee: Korea Advanced Institute of Science and TechnologyInventors: Joongmyeon Bae, Sangho Yoon, Sunyoung Kim
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Publication number: 20110210292Abstract: A gasification system and method. The system can include a gasifier and a purification unit fluidly coupled to the gasifier, with the purification unit receiving raw syngas from the gasifier and producing waste gas and a syngas product. The system can also include a first reformer fluidly coupled to the purification unit, with the first reformer receiving a first portion of the waste gas and producing reformed hydrocarbon. The system can further include a second reformer having a first inlet fluidly coupled to the purification unit, a second inlet fluidly coupled to the first reformer, and an outlet fluidly coupled to the purification unit. The second inlet can receive the reformed hydrocarbon from the first reformer, and the first inlet can receive a second portion of the waste gas from the purification unit. The second reformer can produce a recovered raw syngas that is directed to the purification unit.Type: ApplicationFiled: May 18, 2010Publication date: September 1, 2011Applicant: Kellogg Brown & Root LLCInventors: Siva Ariyapadi, Kamalkumar I. Gursahani, Avinash Malhotra
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Patent number: 7988751Abstract: A method for controlling the purity of hydrogen in a reforming apparatus is described where in the apparatus includes a fuel processor, a purification unit and a system controller. The controller determines a calculated flow of reformate from the fuel processor and operates the purification unit based on the calculated flow. The calculated flow is derived from a process model of the fuel processor and known feed(s) to the fuel processor. The calculated flow of reformate is used to control the flow of reformate to adsorbent beds within the purification unit and can be used to control other materials flows within the apparatus. Means for reducing fluctuations in the pressure and/or flow rate of reformate flowing from the fuel processor to the purification unit are also disclosed. The purity of the hydrogen produced can be maintained by adjusting the operation of the purification unit in response to changes in reformate composition, pressure and/or flow rate.Type: GrantFiled: July 22, 2008Date of Patent: August 2, 2011Assignee: Texaco Inc.Inventors: W. Spencer Wheat, Hongqiao Sun, Bhaskar Balasubramanian, Vesna R. Mirkovic
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Patent number: 4367130Abstract: An apparatus and method for reacting on matter with shock waves which are directed through or against said matter. In a preferred form, the shock waves are generated intermittently for an extended period of time, during which time the work is subjected to the high temperatures and pressures of the shock waves. Both chemical and physical changes may be effected in the material reacted on by the shock waves.Where a plurality of shock waves are directed against the same matter to progressively change same, the apparatus includes means for amplifying the shock waves to increase the intensity of the individual waves and enhance or improve the reactive effects.Type: GrantFiled: November 27, 1979Date of Patent: January 4, 1983Inventor: Jerome H. Lemelson