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公开(公告)号：US20220112437A1
公开(公告)日：2022-04-14
申请号：US17556112
申请日：2021-12-20
摘要： The invention is directed to a process to prepare a char product and a syngas mixture comprising hydrogen and carbon monoxide from a solid torrefied biomass feed comprising the following steps: (i) subjecting the solid biomass feed to a pyrolysis reaction thereby obtaining a gaseous fraction comprising hydrogen, carbon monoxide and a mixture of gaseous organic compounds and a solid fraction comprising of char particles; (ii) separating the char particles as the char product from the gaseous fraction; (iii) subjecting the gaseous fraction obtained in step (ii) to a continuously operated partial oxidation to obtain a syngas mixture further comprising water and having an elevated temperature and (iv) contacting the syngas mixture with a carbonaceous compound to chemically quench the syngas mixture. The temperature of the syngas is reduced in step (iv) from between 1000 and 1600° C. to a temperature of between 800 and 1200° C.
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公开(公告)号：US20220098501A1
公开(公告)日：2022-03-31
申请号：US17513214
申请日：2021-10-28
申请人： MAWETAL LLC
发明人： Mohammed Wohaibi , Tom F. Pruitt
摘要： Methods are provided to prepare a low sulfur fuel from hydrocarbon sources, such as light tight oil and high sulfur fuel oil, often less desired by conventional refiners, who split crude into a wide range of differing products and may prefer presence of wide ranges (C3 or C5 to C20 or higher) of hydrocarbons. These fuels can be produced by separating feeds into untreated and treated streams, and then recombining them. Such fuels can also be formulated by combinations of light, middle and heavy range constituents in a selected manner as claimed. Not only low in sulfur, the fuels of this invention are also low in nitrogen and essentially metals free. Fuel use applications include on-board large marine transport vessels but also on-shore for large land based combustion gas turbines, boilers, fired heaters and transport vehicles and trains.
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公开(公告)号：US11268029B1
公开(公告)日：2022-03-08
申请号：US17359708
申请日：2021-06-28
发明人： Joseph Regnery , Joel Thornton , Matt Newman , Brandon Davis
IPC分类号： C10B39/08 , C10J3/52 , C10J3/84 , C10B49/22 , B01D39/20 , F28F1/00 , F28F27/00 , F28F23/00 , C10B53/02
摘要： Apparatus and associated methods relate to cooling hot biochar based on applying cool gas directly to the hot biochar. The gas may be steam comprising water vapor. Biochar may be cooled in a cooling chamber by cool steam injected into a steam loop configured to cool the steam. The biochar cooled with steam may be dried in a drying chamber by dry gas injected from a gas loop. The gas may be hydrocarbon gas. Biochar may be heated in a processing chamber. Heated biochar may be cooled in a cooling chamber by cool hydrocarbon gas injected to the cooling chamber. Biochar in the processing chamber may be heated with heat recovered from cooling. Filtered byproducts and tail gas may be recovered from the cooling chamber. Tail gas may be recycled. Various direct biochar cooling implementations may produce biochar having enhanced carbon content, increased surface area, and a hydrogen stream byproduct.
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公开(公告)号：US20220033724A1
公开(公告)日：2022-02-03
申请号：US17494588
申请日：2021-10-05
申请人： MAWETAL LLC
发明人： Mohammed Wohaibi , Tom F. Pruitt
摘要： Methods are provided to prepare a low sulfur fuel from hydrocarbon sources, such as light tight oil and high sulfur fuel oil, often less desired by conventional refiners, who split crude into a wide range of differing products and may prefer presence of wide ranges (C3 or C5 to C20 or higher) of hydrocarbons. These fuels can be produced by separating feeds into untreated and treated streams, and then recombining them. Such fuels can also be formulated by combinations of light, middle and heavy range constituents in a selected manner as claimed. Not only low in sulfur, the fuels of this invention are also low in nitrogen and essentially metals free. Fuel use applications include on-board large marine transport vessels but also on-shore for large land based combustion gas turbines, boilers, fired heaters and transport vehicles and trains.
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公开(公告)号：US20220025281A1
公开(公告)日：2022-01-27
申请号：US17494556
申请日：2021-10-05
申请人： MAWETAL LLC
发明人： Mohammed Wohaibi , Tom F. Pruitt
摘要： Methods are provided to prepare a low sulfur fuel from hydrocarbon sources, such as light tight oil and high sulfur fuel oil, often less desired by conventional refiners, who split crude into a wide range of differing products and may prefer presence of wide ranges (C3 or C5 to C20 or higher) of hydrocarbons. These fuels can be produced by separating feeds into untreated and treated streams, and then recombining them. Such fuels can also be formulated by combinations of light, middle and heavy range constituents in a selected manner as claimed. Not only low in sulfur, the fuels of this invention are also low in nitrogen and essentially metals free. Fuel use applications include on-board large marine transport vessels but also on-shore for large land based combustion gas turbines, boilers, fired heaters and transport vehicles and trains.
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公开(公告)号：US20210395627A1
公开(公告)日：2021-12-23
申请号：US17283510
申请日：2019-09-13
发明人： Arildo FALCADE, Jr.
IPC分类号： C10J3/84
摘要： A solid and liquid waste gasifier has a reactor that includes a fixed chamber and an alumina (aluminium oxide) refractory coating, provided with an automatic energy cell feeder and having, inside the fixed chamber, a rotary steel tube which is coupled to one of the ends of the fixed chamber, said rotary tube having a surface containing holes, a screw on its inside surface and a second screw on its outside surface, which rotates juxtaposed to the inside tubular body wall, ensuring the ashes are moved to be released in an automatic device, said gasifier being provided with sensors, the data from which is sent to a programmable logic controller for activation of the mechanical elements.
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公开(公告)号：US11203725B2
公开(公告)日：2021-12-21
申请号：US15481416
申请日：2017-04-06
发明人： Peter Lansell , David Lowe
摘要： Carbonaceous-containing material including biomass, municipal solid waste, and/or coal and/or contaminated soil, and/or other carbonaceous materials may be gasified at low temperatures utilizing a reactor designed to generate shockwaves in a supersonic gaseous vortex. Preprocessed waste may be introduced into the reactor. A gas stream may be introduced substantially tangentially to an inner surface of a chamber of the reactor to generate a gaseous vortex rotating about a longitudinal axis within the chamber. The gas stream may be introduced using a nozzle that accelerates the gas stream to a supersonic velocity, and may impinge on an impactor positioned within the reactor chamber. A frequency of shockwaves emitted from the nozzle into the gaseous vortex may be controlled. The processed waste discharged from the reactor, which may include a gas component and at least a solid component, can be subjected to separation, and at least some of the gas component and at least one solid component (i.e., tars) may be fed back to the feeding device so that the solids from the processed waste condense on preprocessed waste contained in the feeding device and are reprocessed within the reactor. The gas component from the feeding device may be cleaned after the solids have been condensed out in the feeding device.
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公开(公告)号：US20210284927A1
公开(公告)日：2021-09-16
申请号：US16323819
申请日：2017-10-03
申请人： HALDOR TOPSØE A/S
摘要： A method for converting a feedstock comprising solid hydrocarbons to a sweet synthesis gas, involving the steps a. gasifying said feedstock in the presence of steam, an oxygen rich gas and an amount of sour process gas to form a raw synthesis gas optionally comprising tar, b. optionally conditioning said raw synthesis gas to a sour shift feed gas, c. contacting said sour shift feed gas with a sulfided material catalytically active in the water gas shift process for providing a sour hydrogen enriched synthesis gas, d. separating H2S and CO2 from said sour hydrogen enriched synthesis gas, for providing said sour recycle gas and a sweet hydrogen enriched synthesis gas.
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公开(公告)号：US20210284925A1
公开(公告)日：2021-09-16
申请号：US17180583
申请日：2021-02-19
申请人： LanzaTech, Inc.
摘要： The disclosure provides for the separation and combustion of at least one hydrocarbon, oxygenate, sulfur compound, and or nitrogen compound, from industrial gas or gasification derived syngas to generate steam. A gasification process and a gas fermentation process may be integrated using tail gas from the fermentation process for the flame to combust tar and other compounds from the syngas generated by a gasification process. Integration may be achieved by removing tar and other compounds from industrial gas or gasification derived syngas using an adsorbent and regenerating the adsorbent using tail gas from the gas fermentation process. Tail gas enriched with the desorbed tar and other compounds may be used to generate steam in a steam boiler and the steam may be used for a variety of purposes including power generation to power, for example, a compressor of the gas fermentation process.
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公开(公告)号：US11103823B2
公开(公告)日：2021-08-31
申请号：US16061476
申请日：2016-12-12
发明人： Haruto Shinoda , Yoshinori Koyama
IPC分类号： B01D46/00 , B01D45/12 , B01D46/44 , B01D46/46 , B01D50/00 , F01K23/06 , F02C3/28 , C10J3/84 , B01D29/15
摘要： A filter backwashing unit is disposed in a path in which process gas flows to remove at least a part of trapped dust included in a process gas by backwashing an element of a filter device that traps the dust when a process gas passes. The filter backwashing unit includes a gas injection device disposed downstream of the element in a flow direction of a process gas to inject backwashing gas toward the element from downstream; a parameter detection device configured to detect a parameter used for determination of a state of dust adhering to the element; and a control device configured to estimate a thickness of dust deposited on a surface of the element upstream of a process gas based on a result of the detection, and determine an interval at which the element is backwashed based on the estimated thickness of the dust.
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