AU2021446056B2 - A method for manufacturing direct reduced iron - Google Patents

A method for manufacturing direct reduced iron Download PDF

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Publication number
AU2021446056B2
AU2021446056B2 AU2021446056A AU2021446056A AU2021446056B2 AU 2021446056 B2 AU2021446056 B2 AU 2021446056B2 AU 2021446056 A AU2021446056 A AU 2021446056A AU 2021446056 A AU2021446056 A AU 2021446056A AU 2021446056 B2 AU2021446056 B2 AU 2021446056B2
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AU
Australia
Prior art keywords
gas
iron
reduction
direct
reducing gas
Prior art date
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Active
Application number
AU2021446056A
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English (en)
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AU2021446056A1 (en
Inventor
Marcelo Andrade
José BARROS LORENZO
Dmitri Boulanov
Odile CARRIER
Dennis Lu
Jon REYES RODRIGUEZ
Sarah SALAME
George TSVIK
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ArcelorMittal SA
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ArcelorMittal SA
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Publication date
Application filed by ArcelorMittal SA filed Critical ArcelorMittal SA
Publication of AU2021446056A1 publication Critical patent/AU2021446056A1/en
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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)
AU2021446056A 2021-05-18 2021-05-18 A method for manufacturing direct reduced iron Active AU2021446056B2 (en)

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
AU2021446056A1 AU2021446056A1 (en) 2023-11-23
AU2021446056B2 true AU2021446056B2 (en) 2025-05-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
AU2021446056A Active AU2021446056B2 (en) 2021-05-18 2021-05-18 A method for manufacturing direct reduced iron

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)

Families Citing this family (1)

* 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 (1)

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Publication number Priority date Publication date Assignee Title
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

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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
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Also Published As

Publication number Publication date
KR102960669B1 (ko) 2026-05-04
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
KR20240007223A (ko) 2024-01-16

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