EP4575020A4 - PROCESS FOR PRODUCING IRON ORE PELLETS - Google Patents

PROCESS FOR PRODUCING IRON ORE PELLETS

Info

Publication number
EP4575020A4
EP4575020A4 EP23871379.6A EP23871379A EP4575020A4 EP 4575020 A4 EP4575020 A4 EP 4575020A4 EP 23871379 A EP23871379 A EP 23871379A EP 4575020 A4 EP4575020 A4 EP 4575020A4
Authority
EP
European Patent Office
Prior art keywords
production process
iron ore
pellet production
ore pellet
iron
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.)
Pending
Application number
EP23871379.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4575020A1 (en
Inventor
Kenta Takehara
Takahide Higuchi
Yusuke Dohi
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.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP4575020A1 publication Critical patent/EP4575020A1/en
Publication of EP4575020A4 publication Critical patent/EP4575020A4/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/16—Sintering; Agglomerating
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/2406—Binding; Briquetting ; Granulating pelletizing
    • 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
    • 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
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/242—Binding; Briquetting ; Granulating with binders
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/242—Binding; Briquetting ; Granulating with binders
    • C22B1/244—Binding; Briquetting ; Granulating with binders organic
    • C22B1/245—Binding; Briquetting ; Granulating with binders organic with carbonaceous material for the production of coked agglomerates

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP23871379.6A 2022-09-28 2023-07-11 PROCESS FOR PRODUCING IRON ORE PELLETS Pending EP4575020A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022155599 2022-09-28
PCT/JP2023/025632 WO2024070135A1 (ja) 2022-09-28 2023-07-11 鉄鉱石ペレットの製造方法

Publications (2)

Publication Number Publication Date
EP4575020A1 EP4575020A1 (en) 2025-06-25
EP4575020A4 true EP4575020A4 (en) 2025-07-09

Family

ID=90476990

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23871379.6A Pending EP4575020A4 (en) 2022-09-28 2023-07-11 PROCESS FOR PRODUCING IRON ORE PELLETS

Country Status (5)

Country Link
EP (1) EP4575020A4 (enrdf_load_stackoverflow)
JP (1) JPWO2024070135A1 (enrdf_load_stackoverflow)
CN (1) CN119866382A (enrdf_load_stackoverflow)
AU (1) AU2023352518A1 (enrdf_load_stackoverflow)
WO (1) WO2024070135A1 (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3194777A1 (en) * 2020-09-25 2022-03-31 Carbon Technology Holdings, LLC Bio-reduction of metal ores integrated with biomass pyrolysis

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56123332A (en) * 1980-03-01 1981-09-28 Kobe Steel Ltd Calcining method for iron ore pellet
JP7463174B2 (ja) * 2020-04-06 2024-04-08 三菱重工業株式会社 固体炭素生成装置および固体炭素生成方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3194777A1 (en) * 2020-09-25 2022-03-31 Carbon Technology Holdings, LLC Bio-reduction of metal ores integrated with biomass pyrolysis

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
BAIRD T ET AL: "Carbon formation on iron and nickel foils by hydrocarbon pyrolysis-reactions at 700^oC", CARBON, ELSEVIER OXFORD, GB, vol. 12, no. 5, 17 April 2003 (2003-04-17), pages 591 - 602, XP024031098, ISSN: 0008-6223, [retrieved on 19741001], DOI: 10.1016/0008-6223(74)90060-8 *
JONCKBLOEDT R: "Environmental impact of sintering and pelletizing at Corus Ijmuiden", 20080215, vol. 128, no. 2, 15 February 2008 (2008-02-15), pages 63 - 68, XP001549589 *
MIAO BIN ET AL: "Catalysis mechanisms of CO 2 and CO methanation", CATALYSIS SCIENCE & TECHNOLOGY, vol. 6, no. 12, 21 April 2016 (2016-04-21), UK, pages 4048 - 4058, XP093280006, ISSN: 2044-4753, DOI: 10.1039/C6CY00478D *
See also references of WO2024070135A1 *
XU MING-WEI PAUL ET AL: "CATALYTIC REACTION IN THE PROCESS OF CARBON MONOXIDE DISINTEGRATION", DOCTOR OF PHILOSOPHY IN MATERIALS ENGINEERING SCIENCE DISSERTATION, 1 May 1984 (1984-05-01), Blacksburg, Virginia (United States), pages 1 - 123, XP093279990, Retrieved from the Internet <URL:https://vtechworks.lib.vt.edu/server/api/core/bitstreams/5ad339f0-527f-4447-b12e-69da57d92a05/content> *

Also Published As

Publication number Publication date
CN119866382A (zh) 2025-04-22
EP4575020A1 (en) 2025-06-25
AU2023352518A1 (en) 2025-02-13
JPWO2024070135A1 (enrdf_load_stackoverflow) 2024-04-04
WO2024070135A1 (ja) 2024-04-04

Similar Documents

Publication Publication Date Title
EP4108785A4 (en) Continuous smelting reduction ironmaking method
EP4146834A4 (en) PROCESS FOR PRODUCING CARBURIZED SPONGE IRON
EP4118244C0 (en) PROCESS FOR THE PRODUCTION OF SPONGE IRON
EP3892744A4 (en) SINTER ORE MANUFACTURING PROCESS
BRPI0915703A2 (pt) método de produção de pelotas de minério de ferro
RS59424B1 (sr) Postrojenje za recikliranje bele šljake generisane prilikom koraka proizvodnje čelika
IL304740A (en) A new process
EP4151754A4 (en) METHOD FOR PRODUCING REDUCED IRON
PL4061972T3 (pl) Ulepszony sposób wytapiania miedzi
EP4350011A4 (en) Method for producing reduced iron
EP4186985A4 (en) METHOD OF MAKING PIG IRON
EP4263878C0 (en) SMART HYDROGEN PRODUCTION FOR DRI MANUFACTURING
SA515370082B1 (ar) طريقة لمعالجة خبث الفولاذ ورابط معدني هيدروليكي
EP4575020A4 (en) PROCESS FOR PRODUCING IRON ORE PELLETS
HUE062801T2 (hu) Javított eljárás nagytisztaságú ólom elõállítására
EP3450580A4 (en) METHOD FOR PROCESSING IRON AND STEEL DUST, ZINC MANUFACTURING METHOD, METHOD FOR PRODUCING AN INITIAL MATERIAL FOR IRON AND STEEL, AND EXTRACT MATERIAL FOR IRON AND STEEL
PL4039831T3 (pl) Sposób wytwarzania stopionej stali
PL4214341T3 (pl) Wielki piec do wytopu żelaza
EP4421190A4 (en) MANUFACTURING PROCESS FOR METAL IRON
EP4212024A4 (en) TOFU PRODUCTION PROCESS
HUP2100414A1 (hu) Eljárás bioadszorbens anyag elõállítására
EP4303329A4 (en) IRON ORE PELLET PRODUCTION PROCESS
GB202109870D0 (en) Process for production of concentrates of chelated minerals
EP4182268A4 (en) IMPROVED PRODUCTION OF ALKALI METAL CYANIDE
EP4339311A4 (en) ORE GRINDING PROCESS AND PELLET PRODUCTION PROCESS

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

REG Reference to a national code

Ref country code: DE

Ref legal event code: R079

Free format text: PREVIOUS MAIN CLASS: C22B0001140000

Ipc: C22B0001240000

17P Request for examination filed

Effective date: 20250320

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20250605

RIC1 Information provided on ipc code assigned before grant

Ipc: C22B 1/245 20060101ALN20250602BHEP

Ipc: C22B 1/00 20060101ALI20250602BHEP

Ipc: C22B 1/16 20060101ALI20250602BHEP

Ipc: C22B 1/242 20060101ALI20250602BHEP

Ipc: C22B 1/14 20060101ALI20250602BHEP

Ipc: C22B 1/24 20060101AFI20250602BHEP