JPS5725602B2 - - Google Patents

Info

Publication number
JPS5725602B2
JPS5725602B2 JP5717776A JP5717776A JPS5725602B2 JP S5725602 B2 JPS5725602 B2 JP S5725602B2 JP 5717776 A JP5717776 A JP 5717776A JP 5717776 A JP5717776 A JP 5717776A JP S5725602 B2 JPS5725602 B2 JP S5725602B2
Authority
JP
Japan
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
JP5717776A
Other languages
Japanese (ja)
Other versions
JPS51140813A (en
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 US05/578,477 external-priority patent/US4042226A/en
Priority claimed from US05/611,099 external-priority patent/US4049440A/en
Priority claimed from US05/632,137 external-priority patent/US4046557A/en
Application filed filed Critical
Publication of JPS51140813A publication Critical patent/JPS51140813A/en
Publication of JPS5725602B2 publication Critical patent/JPS5725602B2/ja
Granted 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
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
    • C21B13/029—Introducing coolant gas in the shaft furnaces
    • 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
    • C21B2100/28—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
    • C21B2100/64—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
    • Y02P10/122—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
JP51057177A 1975-05-19 1976-05-18 Production of metalloid articles and reduction of metal oxide Granted JPS51140813A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US05/578,477 US4042226A (en) 1975-05-19 1975-05-19 Method and apparatus for producing metallic iron pellets
US05/611,099 US4049440A (en) 1975-05-19 1975-09-08 Method for producing metallic iron pellets
US05/632,137 US4046557A (en) 1975-09-08 1975-11-14 Method for producing metallic iron particles

Publications (2)

Publication Number Publication Date
JPS51140813A JPS51140813A (en) 1976-12-04
JPS5725602B2 true JPS5725602B2 (en) 1982-05-31

Family

ID=27416297

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51057177A Granted JPS51140813A (en) 1975-05-19 1976-05-18 Production of metalloid articles and reduction of metal oxide

Country Status (9)

Country Link
JP (1) JPS51140813A (en)
AR (1) AR212332A1 (en)
AU (1) AU496945B2 (en)
BR (1) BR7603082A (en)
CA (1) CA1075913A (en)
DE (1) DE2622349C3 (en)
FR (1) FR2311850A1 (en)
GB (1) GB1595574A (en)
TR (1) TR18949A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5843851Y2 (en) * 1981-07-23 1983-10-04 カンガル−ズ・ユ−・エス・エイ・インコ−ポレイテッド shoes with pockets

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810701C2 (en) * 1978-03-11 1984-07-05 Hamburger Stahlwerke Gmbh, 2103 Hamburg Process for the direct reduction of iron ores
US4216011A (en) * 1979-04-23 1980-08-05 Hylsa, S.A. Method and apparatus for the secondary gaseous reduction of metal ores
US4351513A (en) * 1981-01-29 1982-09-28 Midrex Corporation Direct reduction of iron using coke oven gas
DE3203092A1 (en) * 1982-01-30 1983-08-04 Metallgesellschaft Ag, 6000 Frankfurt METHOD FOR SEPARATING FINE-GRAIN DIRECTLY REDUCED IRON FROM COOLING GASES
MX156697A (en) * 1982-05-12 1988-09-27 Hylsa Sa IMPROVED METHOD FOR THE DIRECT REDUCTION OF IRON MINERALS
US5437708A (en) * 1994-05-04 1995-08-01 Midrex International B.V. Rotterdam, Zurich Branch Iron carbide production in shaft furnace
DE102019217631A1 (en) * 2019-11-15 2021-05-20 Thyssenkrupp Steel Europe Ag Process for the direct reduction of iron ore

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3063695A (en) * 1958-09-25 1962-11-13 P M Associates Beneficiation of low-grade hematitic ore materials
DE1201377B (en) * 1961-11-23 1965-09-23 Huettenwerk Oberhausen Ag Process and plant for the production of iron sponge from iron ore in a reduction shaft using reducing gas
US3375099A (en) * 1964-06-30 1968-03-26 Armco Steel Corp Production of iron from pelletized iron ores
US3375098A (en) * 1964-07-22 1968-03-26 Armco Steel Corp Gaseous reduction of iron ores
GB1347785A (en) * 1970-07-15 1974-02-27 Fierro Esponja Method of reducing particulate metal ores
US3765872A (en) * 1970-12-16 1973-10-16 Fierro Esponja Method and apparatus for the gaseous reduction of iron ore to sponge iron
US3905806A (en) * 1973-02-20 1975-09-16 Armco Steel Corp Method for the direct reduction of iron ores
US3853538A (en) * 1973-07-20 1974-12-10 Steel Corp Use of reducing gas by coal gasification for direct iron ore reduction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5843851Y2 (en) * 1981-07-23 1983-10-04 カンガル−ズ・ユ−・エス・エイ・インコ−ポレイテッド shoes with pockets

Also Published As

Publication number Publication date
TR18949A (en) 1978-01-01
FR2311850A1 (en) 1976-12-17
AR212332A1 (en) 1978-06-30
AU496945B2 (en) 1978-11-16
FR2311850B1 (en) 1979-09-07
DE2622349B2 (en) 1980-01-31
GB1595574A (en) 1981-08-12
DE2622349A1 (en) 1976-11-25
CA1075913A (en) 1980-04-22
BR7603082A (en) 1977-01-25
AU1314976A (en) 1977-10-27
JPS51140813A (en) 1976-12-04
DE2622349C3 (en) 1984-10-04

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