MX2023005590A - Pirólisis de biomasa integrada con biorreducción de minerales metálicos, producción de hidrógeno, y/o producción de carbón activado. - Google Patents
Pirólisis de biomasa integrada con biorreducción de minerales metálicos, producción de hidrógeno, y/o producción de carbón activado.Info
- Publication number
- MX2023005590A MX2023005590A MX2023005590A MX2023005590A MX2023005590A MX 2023005590 A MX2023005590 A MX 2023005590A MX 2023005590 A MX2023005590 A MX 2023005590A MX 2023005590 A MX2023005590 A MX 2023005590A MX 2023005590 A MX2023005590 A MX 2023005590A
- Authority
- MX
- Mexico
- Prior art keywords
- reducing
- gas
- hydrogen
- biogenic reagent
- production
- Prior art date
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title abstract 5
- 229910052739 hydrogen Inorganic materials 0.000 title abstract 5
- 239000001257 hydrogen Substances 0.000 title abstract 5
- 238000000197 pyrolysis Methods 0.000 title abstract 4
- 239000002028 Biomass Substances 0.000 title abstract 3
- 239000002184 metal Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 2
- 239000007789 gas Substances 0.000 abstract 8
- 230000000035 biogenic effect Effects 0.000 abstract 5
- 239000003153 chemical reaction reagent Substances 0.000 abstract 5
- 238000000034 method Methods 0.000 abstract 3
- 229910044991 metal oxide Inorganic materials 0.000 abstract 2
- 150000004706 metal oxides Chemical class 0.000 abstract 2
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000000376 reactant Substances 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/58—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels combined with pre-distillation of the fuel
- C10J3/60—Processes
- C10J3/62—Processes with separate withdrawal of the distillation products
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/008—Use of special additives or fluxing agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0462—Temperature swing adsorption
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- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
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- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D53/229—Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)
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- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
- C01B3/12—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide
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- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
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- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
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- C01B3/506—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification at low temperatures
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- C01B3/56—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solids; Regeneration of used solids
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- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/318—Preparation characterised by the starting materials
- C01B32/324—Preparation characterised by the starting materials from waste materials, e.g. tyres or spent sulfite pulp liquor
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- C01B32/336—Preparation characterised by gaseous activating agents
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- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/02—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of cellulose-containing material
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- C21C5/28—Manufacture of steel in the converter
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- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
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- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/2413—Binding; Briquetting ; Granulating enduration of pellets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0983—Additives
- C10J2300/0986—Catalysts
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/12—Heating the gasifier
- C10J2300/1207—Heating the gasifier using pyrolysis gas as fuel
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/463—Gasification of granular or pulverulent flues in suspension in stationary fluidised beds
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/001—Injecting additional fuel or reducing agents
- C21B2005/005—Selection or treatment of the reducing gases
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/30—Regulating or controlling the blowing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
- F23G2201/302—Treating pyrosolids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
- F25J3/0252—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of hydrogen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/145—Feedstock the feedstock being materials of biological origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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- Materials Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Carbon And Carbon Compounds (AREA)
- Separation Of Gases By Adsorption (AREA)
- Manufacture Of Iron (AREA)
- Hydrogen, Water And Hydrids (AREA)
- Coke Industry (AREA)
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Abstract
Se describen procesos y sistemas mejorados para producir hidrógeno renovable adecuado para reducir minerales metálicos, así como para producir carbón activado. Algunas variaciones proporcionan un proceso que comprende: pirolizar la biomasa para generar un reactivo biogénico que comprende carbono y un gas residual de pirólisis; convertir el gas residual de pirólisis en gas reductor y/o calor adicionales; hacer reaccionar al menos parte del reactivo biogénico con un reactivo para generar un gas reductor; y reducir químicamente un óxido metálico en la presencia del gas reductor. Algunas variaciones proporcionan un proceso para producir hidrógeno renovable mediante la pirólisis de biomasa para generar un reactivo biogénico, la conversión del reactivo biogénico a un gas reductor, y la separación y recuperación de hidrógeno a partir del gas reductor. Se proporciona una composición de gas reductor para reducir un óxido metálico, que comprende hidrógeno renovable de acuerdo con un análisis de isótopos de hidrógeno. El reactivo biogénico reaccionado también puede recuperarse como un producto de carbón activado. Se describen muchas variaciones.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US202063116403P | 2020-11-20 | 2020-11-20 | |
US202063130460P | 2020-12-24 | 2020-12-24 | |
PCT/US2021/060053 WO2022109245A1 (en) | 2020-11-20 | 2021-11-19 | Biomass pyrolysis integrated with bio-reduction of metal ores, hydrogen production, and/or activated- carbon production |
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MX2023005590A true MX2023005590A (es) | 2023-07-26 |
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Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
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MX2023005585A MX2023005585A (es) | 2020-11-20 | 2021-11-19 | Pirólisis de biomasa integrada con biorreducción de minerales metálicos, producción de hidrógeno y/o producción de carbono activado. |
MX2023005587A MX2023005587A (es) | 2020-11-20 | 2021-11-19 | Pirólisis de biomasa integrada con biorreducción de minerales metálicos, producción de hidrógeno y/o producción de carbón activado. |
MX2023005590A MX2023005590A (es) | 2020-11-20 | 2021-11-19 | Pirólisis de biomasa integrada con biorreducción de minerales metálicos, producción de hidrógeno, y/o producción de carbón activado. |
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MX2023005585A MX2023005585A (es) | 2020-11-20 | 2021-11-19 | Pirólisis de biomasa integrada con biorreducción de minerales metálicos, producción de hidrógeno y/o producción de carbono activado. |
MX2023005587A MX2023005587A (es) | 2020-11-20 | 2021-11-19 | Pirólisis de biomasa integrada con biorreducción de minerales metálicos, producción de hidrógeno y/o producción de carbón activado. |
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US (5) | US20220162076A1 (es) |
EP (4) | EP4247915A1 (es) |
JP (3) | JP2023550618A (es) |
KR (3) | KR20230109172A (es) |
AU (3) | AU2021385073A1 (es) |
CA (3) | CA3201317A1 (es) |
MX (3) | MX2023005585A (es) |
WO (3) | WO2022109248A1 (es) |
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US20220162076A1 (en) * | 2020-11-20 | 2022-05-26 | Carbon Technology Holdings, LLC | Biomass pyrolysis integrated with bio-reduction of metal ores, hydrogen production, and/or activated-carbon production |
CN114959314A (zh) * | 2022-05-27 | 2022-08-30 | 广西科学院 | 一种利用微波焙烧木炭废弃物还原氧化锰矿粉的方法 |
US20240091832A1 (en) * | 2022-09-16 | 2024-03-21 | Carba Inc. | Reactor and process for removal of carbon dioxide |
CN115676826A (zh) * | 2022-10-26 | 2023-02-03 | 广东韩研活性炭科技股份有限公司 | 一种工业脱硫用活性炭及其制备方法 |
WO2024103122A1 (en) * | 2022-11-17 | 2024-05-23 | Newsouth Innovations Pty Limited | Co-injection of hydrogen and biomass in ironmaking for decarbonisation |
US20240167170A1 (en) * | 2022-11-23 | 2024-05-23 | Dioxycle | Reactors and Methods for Production of Sustainable Chemicals using Carbon Emissions of Metallurgical Furnaces |
CN115945062A (zh) * | 2023-02-08 | 2023-04-11 | 安道麦安邦(江苏)有限公司 | 生产烯草酮乳油过程中的废气处理方法及系统 |
US12005421B1 (en) | 2023-10-09 | 2024-06-11 | King Faisal University | Method of preparing adsorbent from sugarcane bagasse and polyolefin waste |
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US2577730A (en) * | 1949-06-24 | 1951-12-11 | Hydrocarbon Research Inc | Iron oxide reduction |
US3235374A (en) * | 1962-07-11 | 1966-02-15 | Harold A Mahony | System and process for the direct reduction of iron ore |
US4246024A (en) * | 1979-10-31 | 1981-01-20 | Grupo Industrial Alfa, S.A. | Method for the gaseous reduction of metal ores using reducing gas produced by gasification of solid or liquid fossil fuels |
DE60233021D1 (de) * | 2001-05-30 | 2009-09-03 | Kobe Steel Ltd | Verfahren zur Herstellung von reduzierten Metallen |
ES2556642T3 (es) * | 2002-02-14 | 2016-01-19 | Monsanto Technology Llc | Procedimiento de oxidación del ácido N-(fosfonometil)iminodiacético |
US7763098B2 (en) * | 2005-11-18 | 2010-07-27 | Xebec Adsorption Inc. | Rapid cycle syngas pressure swing adsorption system |
US7691182B1 (en) * | 2006-12-12 | 2010-04-06 | University Of Central Florida Research Foundation, Inc. | Process for hydrogen production via integrated processing of landfill gas and biomass |
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US8496730B2 (en) * | 2010-05-14 | 2013-07-30 | Midrex Technologies, Inc. | System and method for reducing iron oxide to metallic iron using coke oven gas and oxygen steelmaking furnace gas |
WO2012092431A1 (en) * | 2010-12-30 | 2012-07-05 | Virent, Inc. | Catalytic biomass deconstruction |
LT2697185T (lt) * | 2011-04-15 | 2020-09-10 | Carbon Technology Holdings, LLC | Biogeninių reagentų su dideliu anglies kiekiu gamybos būdas |
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US9216916B2 (en) * | 2013-10-25 | 2015-12-22 | Cool Planet Energy Systems, Inc. | System and method for purifying process water produced from biomass conversion to fuels |
JP2015520671A (ja) * | 2012-05-07 | 2015-07-23 | バイオジェニック レゲント ベンチャーズ エルエルシー | 生物起源の活性炭ならびにそれを作製および使用する方法 |
US20150126362A1 (en) * | 2013-10-24 | 2015-05-07 | Biogenic Reagent Ventures, Llc | Methods and apparatus for producing activated carbon from biomass through carbonized ash intermediates |
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KR20230087511A (ko) * | 2020-09-25 | 2023-06-16 | 카본 테크놀로지 홀딩스, 엘엘씨 | 바이오매스 열분해와 통합된 금속 광석의 바이오-환원 |
US20220162076A1 (en) * | 2020-11-20 | 2022-05-26 | Carbon Technology Holdings, LLC | Biomass pyrolysis integrated with bio-reduction of metal ores, hydrogen production, and/or activated-carbon production |
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