BR112023023873A2 - Método para fabricar ferro reduzido direto - Google Patents

Método para fabricar ferro reduzido direto

Info

Publication number
BR112023023873A2
BR112023023873A2 BR112023023873A BR112023023873A BR112023023873A2 BR 112023023873 A2 BR112023023873 A2 BR 112023023873A2 BR 112023023873 A BR112023023873 A BR 112023023873A BR 112023023873 A BR112023023873 A BR 112023023873A BR 112023023873 A2 BR112023023873 A2 BR 112023023873A2
Authority
BR
Brazil
Prior art keywords
reduced iron
direct reduced
manufacturing direct
manufacturing
iron
Prior art date
Application number
BR112023023873A
Other languages
English (en)
Portuguese (pt)
Inventor
Dennis Lu
Dmitri Boulanov
George Tsvik
Reyes Rodriguez Jon
Barros Lorenzo José
Marcelo Andrade
Odile Carrier
Sarah Salame
Original Assignee
Arcelormittal
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Arcelormittal filed Critical Arcelormittal
Publication of BR112023023873A2 publication Critical patent/BR112023023873A2/pt

Links

Classifications

    • 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
    • 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
    • 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
    • Y02P10/134—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)
BR112023023873A 2021-05-18 2021-05-18 Método para fabricar ferro reduzido direto BR112023023873A2 (pt)

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 (1)

Publication Number Publication Date
BR112023023873A2 true BR112023023873A2 (pt) 2024-01-30

Family

ID=76098985

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112023023873A BR112023023873A2 (pt) 2021-05-18 2021-05-18 Método para fabricar ferro reduzido direto

Country Status (11)

Country Link
US (1) US20240254576A1 (https=)
EP (1) EP4341449A1 (https=)
JP (1) JP7795560B2 (https=)
CN (1) CN117337337A (https=)
AU (1) AU2021446056B2 (https=)
BR (1) BR112023023873A2 (https=)
CA (1) CA3219995A1 (https=)
MX (1) MX2023013535A (https=)
UA (1) UA129931C2 (https=)
WO (1) WO2022243726A1 (https=)
ZA (1) ZA202310357B (https=)

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

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US8764875B2 (en) * 2010-08-03 2014-07-01 Xiaodi Huang Method and apparatus for coproduction of pig iron and high quality syngas
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
FI2895630T3 (en) * 2012-09-14 2023-08-15 Voestalpine Stahl Gmbh METHOD FOR STORING DISCONTINUOUSLY OBTAINED ENERGY IN IRON ORE REDUCTION PROCESS
CN102864265B (zh) * 2012-09-24 2014-05-28 中南大学 一种气基直接还原尾气回收利用的方法
CN102864266A (zh) * 2012-09-24 2013-01-09 中南大学 一种强化铁矿球团气基竖炉直接还原的方法
EP2961854B1 (en) * 2013-02-27 2017-09-27 HYL Technologies, S.A. de C.V. Direct reduction process with improved product quality and process gas efficiency
EP3286345A1 (en) * 2015-04-24 2018-02-28 SABIC Global Technologies B.V. Composite iron pellets and methods of making same
WO2017115133A1 (en) * 2015-12-28 2017-07-06 Hyl Technologies, S.A. De C.V. Method and system for producing high-carbon dri using syngas
CN106629712B (zh) * 2016-12-30 2019-03-15 中南大学 一种利用煤与生物质的混合料制备活性炭的方法
CN107723402A (zh) * 2017-09-08 2018-02-23 江苏省冶金设计院有限公司 一种双竖炉系统和使用该系统生产含铁产品的方法
CN108300829B (zh) * 2018-03-30 2019-10-11 唐竹胜 一种气基和煤基结合的直接还原铁方法
CN108374066B (zh) * 2018-03-30 2019-07-16 唐竹胜 一种粉状铁矿双窑双基联合式低温快速深度直接还原铁的方法
CN110079665B (zh) * 2019-05-23 2020-11-27 北京科技大学 一种用于电炉的高碳金属化球团的制备方法
JP2024047592A (ja) * 2019-08-09 2024-04-08 合同会社Kess 直接還元鉄の製造設備及び製造方法

Also Published As

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

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