AU455390B2 - Process of directly reducing iron ores ina solid state and under gaseous pressure - Google Patents

Process of directly reducing iron ores ina solid state and under gaseous pressure

Info

Publication number
AU455390B2
AU455390B2 AU37396/71A AU3739671A AU455390B2 AU 455390 B2 AU455390 B2 AU 455390B2 AU 37396/71 A AU37396/71 A AU 37396/71A AU 3739671 A AU3739671 A AU 3739671A AU 455390 B2 AU455390 B2 AU 455390B2
Authority
AU
Australia
Prior art keywords
solid state
reducing iron
iron ores
gaseous pressure
directly reducing
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.)
Expired
Application number
AU37396/71A
Other versions
AU3739671A (en
Inventor
DR. HORST BECHTOLD PAUL BIENIEK and DIETER STEIN FRITZ ROSE
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.)
GEA Group AG
Original Assignee
Metallgesellschaft AG
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 Metallgesellschaft AG filed Critical Metallgesellschaft AG
Publication of AU3739671A publication Critical patent/AU3739671A/en
Application granted granted Critical
Publication of AU455390B2 publication Critical patent/AU455390B2/en
Expired legal-status Critical Current

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
    • C21B2100/24—Increasing the gas reduction potential of recycled exhaust gases by shift reactions
    • 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
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • 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
    • Y02P10/122—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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
AU37396/71A 1971-01-27 1971-12-24 Process of directly reducing iron ores ina solid state and under gaseous pressure Expired AU455390B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19712103731 DE2103731A1 (en) 1971-01-27 1971-01-27 Process for the direct reduction of iron ores in the solid state under pressure
DEDE821037 1971-01-27

Publications (2)

Publication Number Publication Date
AU3739671A AU3739671A (en) 1973-06-28
AU455390B2 true AU455390B2 (en) 1974-11-21

Family

ID=5797034

Family Applications (1)

Application Number Title Priority Date Filing Date
AU37396/71A Expired AU455390B2 (en) 1971-01-27 1971-12-24 Process of directly reducing iron ores ina solid state and under gaseous pressure

Country Status (8)

Country Link
AU (1) AU455390B2 (en)
BR (1) BR7200413D0 (en)
CA (1) CA938790A (en)
DE (1) DE2103731A1 (en)
GB (1) GB1323537A (en)
IT (1) IT946932B (en)
NL (1) NL7200497A (en)
ZA (1) ZA718366B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4351513A (en) * 1981-01-29 1982-09-28 Midrex Corporation Direct reduction of iron using coke oven gas
AT402938B (en) * 1994-06-23 1997-09-25 Voest Alpine Ind Anlagen METHOD AND SYSTEM FOR DIRECTLY REDUCING METHOD AND SYSTEM FOR DIRECTLY REDUCING MATERIAL IN IRON OXIDE MATERIAL IN IRON OXIDE

Also Published As

Publication number Publication date
GB1323537A (en) 1973-07-18
ZA718366B (en) 1972-09-27
NL7200497A (en) 1972-07-31
CA938790A (en) 1973-12-25
BR7200413D0 (en) 1973-06-05
DE2103731A1 (en) 1972-08-17
AU3739671A (en) 1973-06-28
IT946932B (en) 1973-05-21

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