FR2247541B1 - - Google Patents

Info

Publication number
FR2247541B1
FR2247541B1 FR7434815A FR7434815A FR2247541B1 FR 2247541 B1 FR2247541 B1 FR 2247541B1 FR 7434815 A FR7434815 A FR 7434815A FR 7434815 A FR7434815 A FR 7434815A FR 2247541 B1 FR2247541 B1 FR 2247541B1
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
FR7434815A
Other versions
FR2247541A1 (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 FR2247541A1 publication Critical patent/FR2247541A1/fr
Application granted granted Critical
Publication of FR2247541B1 publication Critical patent/FR2247541B1/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
    • C21B13/04—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
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C21B13/146—Multi-step reduction without melting
    • 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
    • Y02P10/20—Recycling

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)
FR7434815A 1973-10-16 1974-10-16 Expired FR2247541B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US406805A US3890142A (en) 1973-10-16 1973-10-16 Method for gaseous reduction of metal ores

Publications (2)

Publication Number Publication Date
FR2247541A1 FR2247541A1 (fr) 1975-05-09
FR2247541B1 true FR2247541B1 (fr) 1977-07-08

Family

ID=23609522

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7434815A Expired FR2247541B1 (fr) 1973-10-16 1974-10-16

Country Status (22)

Country Link
US (1) US3890142A (fr)
JP (1) JPS5440048B2 (fr)
AT (1) AT330223B (fr)
AU (1) AU470871B2 (fr)
BE (1) BE821074A (fr)
BR (1) BR7408518A (fr)
CA (1) CA1021941A (fr)
DE (1) DE2449319C3 (fr)
EG (1) EG11512A (fr)
ES (1) ES431089A1 (fr)
FR (1) FR2247541B1 (fr)
GB (1) GB1428590A (fr)
IL (1) IL45830A (fr)
IN (1) IN140266B (fr)
IT (1) IT1021795B (fr)
LU (1) LU71122A1 (fr)
NL (1) NL159142B (fr)
PH (1) PH10889A (fr)
SE (1) SE402931B (fr)
TR (1) TR18240A (fr)
ZA (1) ZA74641B (fr)
ZM (1) ZM15474A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2278777A1 (fr) * 1974-05-10 1976-02-13 Creusot Loire Procede de reduction directe de minerais sur grille continue
AR204299A1 (es) * 1974-10-18 1975-12-10 Fierro Esponja Aparato y metodo para la reduccion gaseosa de oxidos de metal a temperaturas elevadas
US4298190A (en) * 1974-10-18 1981-11-03 Fierro Esponja, S.A. Apparatus for gaseous reduction of metal ores with cooling loop
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
US4248627A (en) * 1978-05-16 1981-02-03 Trw Inc. Process for the manufacture and use of high purity carbonaceous reductant from carbon monoxide-containing gas mixtures
US4375983A (en) * 1979-04-26 1983-03-08 Hylsa, S.A. Method of making sponge metal
FR2456780A1 (fr) * 1979-04-26 1980-12-12 Hylsa Sa Procede de fabrication de metal spongieux par reduction discontinue d'oxydes metalliques
RU2005102710A (ru) * 2002-07-04 2006-01-20 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. (NL) Система реакторов с несколькими параллельными реакторными блоками
US7856948B2 (en) * 2004-05-27 2010-12-28 Wyeth Llc Self-steaming compositions, articles comprising such compositions and methods of preparing such compositions
US7794649B2 (en) * 2005-09-23 2010-09-14 Wyeth Llc Method of making heat cells comprising exothermic compositions having absorbent gelling material
US7878187B2 (en) * 2005-09-23 2011-02-01 Wyeth Llc Heat cells comprising exothermic compositions having absorbent gelling material
AR071784A1 (es) * 2008-05-15 2010-07-14 Wyeth Corp Sistema de suministro de calor humedo portatil, dispositivo terapeutico que lo comprende y metodo de suministro
US10260117B2 (en) 2013-07-22 2019-04-16 Saudi Basic Industries Corporation Use of top gas in direct reduction processes

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2900247A (en) * 1957-08-05 1959-08-18 Fierro Espouja Sa Method of making sponge iron
US3128174A (en) * 1959-06-26 1964-04-07 Fierro Esponja Method of making sponge iron
US3094410A (en) * 1959-07-31 1963-06-18 Inst Francais Du Petrole Process for reducing iron ores
US2997383A (en) * 1960-05-24 1961-08-22 Texaco Development Corp Ore reduction
US3136623A (en) * 1960-11-04 1964-06-09 Pullman Inc Method for reducing metal oxides
US3136624A (en) * 1961-05-24 1964-06-09 Pullman Inc Method for reducing metal oxides
US3136625A (en) * 1961-08-22 1964-06-09 Pullman Inc Method for reducing metal oxides
US3375099A (en) * 1964-06-30 1968-03-26 Armco Steel Corp Production of iron from pelletized iron ores
US3423201A (en) * 1966-03-18 1969-01-21 Fierro Esponja Method for producing sponge iron
US3684486A (en) * 1968-12-23 1972-08-15 Swindell Dressler Co Division Direct reduction of iron ore and the like
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
BE789968A (fr) * 1971-10-15 1973-04-12 Fierro Esponja Procede et appareil de reduction de minerais metalliques en particules en fer spongieux
BE791660A (fr) * 1971-11-22 1973-05-21 Fierro Esponja Procede et appareil de reduction de minerai divise

Also Published As

Publication number Publication date
US3890142A (en) 1975-06-17
NL7413398A (nl) 1975-04-18
ES431089A1 (es) 1977-01-16
BE821074A (fr) 1975-04-15
EG11512A (en) 1977-08-15
IT1021795B (it) 1978-02-20
FR2247541A1 (fr) 1975-05-09
DE2449319B2 (de) 1978-12-07
NL159142B (nl) 1979-01-15
DE2449319A1 (de) 1975-04-17
AU470871B2 (en) 1976-04-01
SE7412980L (fr) 1975-04-17
DE2449319C3 (de) 1983-12-08
IL45830A0 (en) 1974-12-31
JPS5440048B2 (fr) 1979-12-01
ZA74641B (en) 1975-11-26
IL45830A (en) 1977-03-31
JPS5078512A (fr) 1975-06-26
BR7408518A (pt) 1975-11-04
GB1428590A (en) 1976-03-17
ZM15474A1 (en) 1976-05-21
IN140266B (fr) 1976-10-09
PH10889A (en) 1977-09-30
SE402931B (sv) 1978-07-24
TR18240A (tr) 1976-11-05
ATA831674A (de) 1975-09-15
AU7418974A (en) 1976-04-01
LU71122A1 (fr) 1975-06-24
AT330223B (de) 1976-06-25
CA1021941A (fr) 1977-12-06

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Legal Events

Date Code Title Description
ST Notification of lapse