KR102960669B1 - 직접 환원 철을 제조하기 위한 방법 - Google Patents

직접 환원 철을 제조하기 위한 방법

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Publication number
KR102960669B1
KR102960669B1 KR1020237042564A KR20237042564A KR102960669B1 KR 102960669 B1 KR102960669 B1 KR 102960669B1 KR 1020237042564 A KR1020237042564 A KR 1020237042564A KR 20237042564 A KR20237042564 A KR 20237042564A KR 102960669 B1 KR102960669 B1 KR 102960669B1
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KR
South Korea
Prior art keywords
reduced iron
gas
reducing gas
iron
direct reduced
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
KR1020237042564A
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English (en)
Korean (ko)
Other versions
KR20240007223A (ko
Inventor
조지 츠빅
드미트리 불라노프
로드리게스 혼 레예스
오딜 까리에
사라 살렘
로렌소 호세 바로스
마르셀루 안드라데
데니스 루
Original Assignee
아르셀러미탈
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Publication of KR20240007223A publication Critical patent/KR20240007223A/ko
Application granted granted Critical
Publication of KR102960669B1 publication Critical patent/KR102960669B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/02—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon
    • C07C1/12—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon from oxides of a carbon from carbon dioxide with hydrogen
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0066—Preliminary conditioning of the solid carbonaceous reductant
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0073—Selection or treatment of the reducing gases
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0086—Conditioning, transformation of reduced iron ores
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C25B15/081—Supplying products to non-electrochemical reactors that are combined with the electrochemical cell, e.g. Sabatier reactor
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/26—Increasing the gas reduction potential of recycled exhaust gases by adding additional fuel in recirculation pipes
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • C25B1/04—Hydrogen or oxygen by electrolysis of water
    • 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
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • 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
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
KR1020237042564A 2021-05-18 2021-05-18 직접 환원 철을 제조하기 위한 방법 Active KR102960669B1 (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2021/054259 WO2022243726A1 (en) 2021-05-18 2021-05-18 A method for manufacturing direct reduced iron

Publications (2)

Publication Number Publication Date
KR20240007223A KR20240007223A (ko) 2024-01-16
KR102960669B1 true KR102960669B1 (ko) 2026-05-04

Family

ID=76098985

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (12)

Country Link
US (1) US20240254576A1 (cg-RX-API-DMAC10.html)
EP (1) EP4341449A1 (cg-RX-API-DMAC10.html)
JP (1) JP7795560B2 (cg-RX-API-DMAC10.html)
KR (1) KR102960669B1 (cg-RX-API-DMAC10.html)
CN (1) CN117337337A (cg-RX-API-DMAC10.html)
AU (1) AU2021446056B2 (cg-RX-API-DMAC10.html)
BR (1) BR112023023873A2 (cg-RX-API-DMAC10.html)
CA (1) CA3219995A1 (cg-RX-API-DMAC10.html)
MX (1) MX2023013535A (cg-RX-API-DMAC10.html)
UA (1) UA129931C2 (cg-RX-API-DMAC10.html)
WO (1) WO2022243726A1 (cg-RX-API-DMAC10.html)
ZA (1) ZA202310357B (cg-RX-API-DMAC10.html)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025155948A1 (en) * 2024-01-19 2025-07-24 Cix, Inc. Carbon dioxide emission reduction system for electric arc furnaces utilizing algae for carbon dioxide absorbtion

Citations (2)

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WO2020245070A1 (en) * 2019-06-04 2020-12-10 Tenova S.P.A. Method and system for producing steel or molten-iron-containing materials with reduced emissions
WO2021029114A1 (ja) * 2019-08-09 2021-02-18 合同会社Ｋｅｓｓ 直接還元鉄の製造設備及び製造方法

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DE19748968C1 (de) * 1997-11-06 1999-06-10 Metallgesellschaft Ag Verfahren zum Erzeugen eines Gemisches aus Eisencarbid und körnigem, direkt reduziertem Eisen
JP2000054034A (ja) * 1998-08-03 2000-02-22 Nippon Steel Corp 還元鉄ペレット製造における還元炉操業方法
JP2006307275A (ja) * 2005-04-27 2006-11-09 Nippon Steel Corp 還元鉄の製造方法
JP5552754B2 (ja) * 2009-05-12 2014-07-16 Ｊｆｅスチール株式会社 アーク炉の操業方法
WO2011143718A1 (en) * 2010-05-21 2011-11-24 Errol John Smith Biochar-coke produced in an energy efficient manner
MX2013001378A (es) * 2010-08-03 2014-01-31 Hwang Jiannyang Metodo y aparato para co-produccion de arrabio y gas de sintesis de alta calidad.
JP5630223B2 (ja) * 2010-11-10 2014-11-26 新日鐵住金株式会社 炉頂ガスを循環した直接還元炉の操業方法
CN102392093A (zh) * 2011-12-09 2012-03-28 青岛理工大学 一种基于生物质的直接还原炼铁装置及方法
JP5880941B2 (ja) * 2012-01-31 2016-03-09 Ｊｆｅスチール株式会社 還元鉄の製造方法
CN102586529B (zh) * 2012-03-23 2013-08-07 北京科技大学 一种以生物质含碳球团为原料的转底炉炼铁方法
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DE102012109284A1 (de) * 2012-09-14 2014-03-20 Voestalpine Stahl Gmbh Verfahren zum Erzeugen von Stahl und Verfahren zum Speichern diskontinuierlich anfallender Energie
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WO2021029114A1 (ja) * 2019-08-09 2021-02-18 合同会社Ｋｅｓｓ 直接還元鉄の製造設備及び製造方法

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Also Published As

Publication number Publication date
BR112023023873A2 (pt) 2024-01-30
EP4341449A1 (en) 2024-03-27
JP7795560B2 (ja) 2026-01-07
CA3219995A1 (en) 2022-11-24
UA129931C2 (uk) 2025-09-10
CN117337337A (zh) 2024-01-02
MX2023013535A (es) 2023-11-28
US20240254576A1 (en) 2024-08-01
WO2022243726A1 (en) 2022-11-24
JP2024519059A (ja) 2024-05-08
AU2021446056A1 (en) 2023-11-23
ZA202310357B (en) 2024-11-27
AU2021446056B2 (en) 2025-05-22
KR20240007223A (ko) 2024-01-16

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