BR8005785A - Processo para a reducao direta de oxido de ferro - Google Patents

Processo para a reducao direta de oxido de ferro

Info

Publication number
BR8005785A
BR8005785A BR8005785A BR8005785A BR8005785A BR 8005785 A BR8005785 A BR 8005785A BR 8005785 A BR8005785 A BR 8005785A BR 8005785 A BR8005785 A BR 8005785A BR 8005785 A BR8005785 A BR 8005785A
Authority
BR
Brazil
Prior art keywords
iron oxide
direct reduction
reduction
direct
iron
Prior art date
Application number
BR8005785A
Other languages
English (en)
Inventor
Shimasaki Katsunori
Tomita Masahiro
Ishii Yoshitomo
Aoki Mamory
Sako Hironobu
Utsunomiya Kei
Kaneko Dentaro
Original Assignee
Kobe Steel Ltd
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
Priority claimed from JP11680179A external-priority patent/JPS5540683A/ja
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of BR8005785A publication Critical patent/BR8005785A/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
    • C21B13/0073—Selection or treatment of the reducing gases
    • 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
    • C21B2100/22—Increasing the gas reduction potential of recycled exhaust gases by reforming
    • 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
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66—Heat exchange
    • 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
    • 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
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Hydrogen, Water And Hydrids (AREA)
BR8005785A 1979-09-13 1980-09-10 Processo para a reducao direta de oxido de ferro BR8005785A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11680179A JPS5540683A (en) 1978-09-16 1979-09-13 88chloroo5*6*7*88tetrahydroo22 quinolone and 88bromoo5*6*7*88tetrahydroo22quinolone* its chloric salt or hydrobromic salt and their manufacture

Publications (1)

Publication Number Publication Date
BR8005785A true BR8005785A (pt) 1981-03-24

Family

ID=14695996

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8005785A BR8005785A (pt) 1979-09-13 1980-09-10 Processo para a reducao direta de oxido de ferro

Country Status (6)

Country Link
US (1) US4348226A (pt)
AU (1) AU541488B2 (pt)
BR (1) BR8005785A (pt)
GB (1) GB2064590B (pt)
IN (1) IN153271B (pt)
MA (1) MA18949A1 (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439233A (en) * 1983-05-09 1984-03-27 Midrex Corporation Direct reduction of iron
US4528030A (en) * 1983-05-16 1985-07-09 Hylsa, S.A. Method of reducing iron ore
AU582897B2 (en) * 1985-09-12 1989-04-13 Duncan Seddon Reduction process utilizing natural gas
US4752329A (en) * 1986-03-21 1988-06-21 Midrex International B.V. Rotterdam, Zurich Branch Apparatus and method for increasing carbon content of hot directly reduced iron
US4702766A (en) * 1986-03-21 1987-10-27 Midrex International, B.V. Rotterdam, Zurich Branch Method of increasing carbon content of direct reduced iron and apparatus
US4834792A (en) * 1986-08-21 1989-05-30 Hylsa S.A. De C.V. Method for producing hot sponge iron by introducing hydrocarbon for carburizing into reduction zone
GB2452712A (en) * 2007-09-11 2009-03-18 Yadollah Saboohi Use of a cyclonic heat exchanger in the production of sponge iron
US10260117B2 (en) * 2013-07-22 2019-04-16 Saudi Basic Industries Corporation Use of top gas in direct reduction processes
IT201900002081A1 (it) * 2019-02-13 2020-08-13 Danieli Off Mecc Impianto di riduzione diretta e relativo processo
CN113502361A (zh) * 2021-07-07 2021-10-15 山西晋南钢铁集团有限公司 一种高炉炼铁用氢气的自重整系统及方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1021774B (it) * 1974-10-11 1978-02-20 Centro Speriment Metallurg Processo per la preparazione di gas riducenti
US4099963A (en) * 1974-10-18 1978-07-11 Fierro Esponja, S.A. Method for the batchwise reduction of metal ores
JPS5847449B2 (ja) * 1978-04-10 1983-10-22 株式会社神戸製鋼所 直接製鉄法

Also Published As

Publication number Publication date
GB2064590B (en) 1984-07-25
GB2064590A (en) 1981-06-17
US4348226A (en) 1982-09-07
MA18949A1 (fr) 1981-04-01
AU541488B2 (en) 1985-01-10
IN153271B (pt) 1984-06-23
AU6219480A (en) 1981-03-19

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Legal Events

Date Code Title Description
MK Patent expired

Effective date: 19950910