FR2098429B1 - - Google Patents

Info

Publication number
FR2098429B1
FR2098429B1 FR7125928A FR7125928A FR2098429B1 FR 2098429 B1 FR2098429 B1 FR 2098429B1 FR 7125928 A FR7125928 A FR 7125928A FR 7125928 A FR7125928 A FR 7125928A FR 2098429 B1 FR2098429 B1 FR 2098429B1
Authority
FR
France
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
FR7125928A
Other versions
FR2098429A1 (fr
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
Publication of FR2098429A1 publication Critical patent/FR2098429A1/fr
Application granted granted Critical
Publication of FR2098429B1 publication Critical patent/FR2098429B1/fr
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
    • 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
    • C21B2100/40—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
    • Y02P10/134—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 And Refinement Of Metals (AREA)
FR7125928A 1970-07-15 1971-07-15 Expired FR2098429B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5516170A 1970-07-15 1970-07-15
US9861270A 1970-12-16 1970-12-16

Publications (2)

Publication Number Publication Date
FR2098429A1 FR2098429A1 (fr) 1972-03-10
FR2098429B1 true FR2098429B1 (fr) 1978-09-29

Family

ID=26733913

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7125928A Expired FR2098429B1 (fr) 1970-07-15 1971-07-15

Country Status (13)

Country Link
JP (1) JPS5126884B1 (fr)
AR (1) AR202079A1 (fr)
AU (1) AU453409B2 (fr)
BE (1) BE769976A (fr)
CA (1) CA949319A (fr)
DE (1) DE2134959C3 (fr)
ES (1) ES393256A1 (fr)
FR (1) FR2098429B1 (fr)
GB (1) GB1347785A (fr)
IL (1) IL37227A (fr)
IT (1) IT944683B (fr)
LU (1) LU63538A1 (fr)
NL (1) NL157351B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3890142A (en) * 1973-10-16 1975-06-17 Fierro Esponja Method for gaseous reduction of metal ores
AU496945B2 (en) * 1975-05-19 1978-11-16 Midrex International B.V. Rotterdam Producing metallized product
US4224057A (en) * 1979-08-20 1980-09-23 Hylsa, S.A. Method for carburizing sponge iron
US4338123A (en) * 1981-02-23 1982-07-06 Hylsa, S.A. Method and apparatus for the reduction of metal ores
US5064467A (en) * 1987-11-02 1991-11-12 C.V.G. Siderurgica Del Orinoco, C.A. Method and apparatus for the direct reduction of iron
CA2090906A1 (fr) * 1992-03-05 1993-09-06 Corporacion Venezolana De Guayana (Cvg) Amelioration de la qualite des gaz de reformage utilises pour la reduction directe des oxydes metalliques

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE966459C (de) * 1952-06-29 1957-08-08 Paul Hahnel Dr Ing Verfahren zur oxydierenden und reduzierenden Behandlung oxydischer Erze in Schachtoefen

Also Published As

Publication number Publication date
BE769976A (fr) 1972-01-14
JPS5126884B1 (fr) 1976-08-09
AR202079A1 (es) 1975-05-15
GB1347785A (en) 1974-02-27
LU63538A1 (fr) 1972-04-04
ES393256A1 (es) 1974-10-01
IL37227A0 (en) 1971-10-20
FR2098429A1 (fr) 1972-03-10
NL7109764A (fr) 1972-01-18
DE2134959B2 (de) 1978-09-07
CA949319A (en) 1974-06-18
AU3114471A (en) 1973-01-18
IT944683B (it) 1973-04-20
DE2134959A1 (de) 1972-01-27
IL37227A (en) 1974-06-30
AU453409B2 (en) 1974-10-03
NL157351B (nl) 1978-07-17
DE2134959C3 (de) 1979-04-26

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Legal Events

Date Code Title Description
ST Notification of lapse