CA985511A - Method for reducing metal ores - Google Patents

Method for reducing metal ores

Info

Publication number
CA985511A
CA985511A CA175,321A CA175321A CA985511A CA 985511 A CA985511 A CA 985511A CA 175321 A CA175321 A CA 175321A CA 985511 A CA985511 A CA 985511A
Authority
CA
Canada
Prior art keywords
reducing metal
metal ores
ores
reducing
metal
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
CA175,321A
Other languages
English (en)
Inventor
Patrick W. Mckay
Enrique R. Martinez
Antonio Villasenor
Ricardo Viramontes
Juan Celada
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.)
Fierro Esponja SA
Original Assignee
Fierro Esponja SA
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 Fierro Esponja SA filed Critical Fierro Esponja SA
Application granted granted Critical
Publication of CA985511A publication Critical patent/CA985511A/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
    • C21B13/04—Making spongy iron or liquid steel, by direct processes in retorts
    • 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
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/64—Controlling the physical properties of the gas, e.g. pressure or temperature
    • 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)
  • Manufacture And Refinement Of Metals (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
CA175,321A 1972-07-03 1973-06-29 Method for reducing metal ores Expired CA985511A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US268820A US3904397A (en) 1972-07-03 1972-07-03 Method for reducing metal ores

Publications (1)

Publication Number Publication Date
CA985511A true CA985511A (en) 1976-03-16

Family

ID=23024624

Family Applications (1)

Application Number Title Priority Date Filing Date
CA175,321A Expired CA985511A (en) 1972-07-03 1973-06-29 Method for reducing metal ores

Country Status (21)

Country Link
US (1) US3904397A (nl)
JP (1) JPS5341608B2 (nl)
AR (1) AR199577A1 (nl)
AT (1) AT322591B (nl)
AU (1) AU466222B2 (nl)
BE (1) BE801767A (nl)
BR (1) BR7304879D0 (nl)
CA (1) CA985511A (nl)
EG (1) EG10956A (nl)
ES (2) ES416548A1 (nl)
FR (1) FR2236950B1 (nl)
GB (2) GB1421599A (nl)
IL (1) IL42595A (nl)
IN (1) IN139844B (nl)
IT (1) IT989716B (nl)
LU (1) LU67923A1 (nl)
NL (1) NL158554B (nl)
PH (1) PH10520A (nl)
SE (1) SE418974B (nl)
TR (1) TR17297A (nl)
ZA (1) ZA734309B (nl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099963A (en) * 1974-10-18 1978-07-11 Fierro Esponja, S.A. Method for the batchwise reduction of metal ores
US4046556A (en) * 1976-01-02 1977-09-06 Fierro Esponja, S.A. Direct gaseous reduction of oxidic metal ores with dual temperature cooling of the reduced product
JPS5952682B2 (ja) * 1979-01-19 1984-12-21 石川島播磨重工業株式会社 鉄鉱石等の還元方法及び装置
US4375983A (en) * 1979-04-26 1983-03-08 Hylsa, S.A. Method of making sponge metal
US7856948B2 (en) 2004-05-27 2010-12-28 Wyeth Llc Self-steaming compositions, articles comprising such compositions and methods of preparing such compositions
US7878187B2 (en) * 2005-09-23 2011-02-01 Wyeth Llc Heat cells comprising exothermic compositions having absorbent gelling material
US7794649B2 (en) * 2005-09-23 2010-09-14 Wyeth Llc Method of making heat cells comprising exothermic compositions having absorbent gelling material
AU2009246366B2 (en) 2008-05-15 2013-01-17 Angelini Pharma Inc. Portable moist heat system
US10260117B2 (en) 2013-07-22 2019-04-16 Saudi Basic Industries Corporation Use of top gas in direct reduction processes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2243110A (en) * 1935-12-24 1941-05-27 Madaras Corp Method of and apparatus for reducing ores and effecting other chemical reactions
US3684486A (en) * 1968-12-23 1972-08-15 Swindell Dressler Co Division Direct reduction of iron ore and the like
US3635456A (en) * 1970-04-29 1972-01-18 Dravo Corp Apparatus for direct reduction of iron oxide compacts

Also Published As

Publication number Publication date
AR199577A1 (es) 1974-09-13
PH10520A (en) 1977-05-26
IL42595A0 (en) 1973-08-29
FR2236950B1 (nl) 1977-02-18
BR7304879D0 (pt) 1974-08-15
IL42595A (en) 1976-07-30
GB1424184A (en) 1976-02-11
JPS5341608B2 (nl) 1978-11-06
ZA734309B (en) 1974-05-29
ES416548A1 (es) 1976-07-16
IT989716B (it) 1975-06-10
SE418974B (sv) 1981-07-06
AU466222B2 (en) 1975-10-23
AT322591B (de) 1975-05-26
GB1421599A (en) 1976-01-21
NL7309109A (nl) 1974-01-07
ES442302A1 (es) 1977-07-01
JPS4943814A (nl) 1974-04-25
BE801767A (fr) 1974-01-02
DE2332999A1 (de) 1974-01-31
AU5735673A (en) 1975-01-09
DE2332999B2 (de) 1976-11-04
NL158554B (nl) 1978-11-15
FR2236950A1 (nl) 1975-02-07
TR17297A (tr) 1975-03-24
IN139844B (nl) 1976-08-07
LU67923A1 (nl) 1974-01-18
US3904397A (en) 1975-09-09
EG10956A (en) 1976-11-30

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