FR2274693A1 - Procede pour la reduction de minerais de fer et produits obtenus - Google Patents

Procede pour la reduction de minerais de fer et produits obtenus

Info

Publication number
FR2274693A1
FR2274693A1 FR7518515A FR7518515A FR2274693A1 FR 2274693 A1 FR2274693 A1 FR 2274693A1 FR 7518515 A FR7518515 A FR 7518515A FR 7518515 A FR7518515 A FR 7518515A FR 2274693 A1 FR2274693 A1 FR 2274693A1
Authority
FR
France
Prior art keywords
reduction
iron ore
products obtained
products
ore
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.)
Granted
Application number
FR7518515A
Other languages
English (en)
Other versions
FR2274693B1 (fr
Inventor
Italo Lacotti
Giansilvio Malgarini
Edoardo Pasero
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.)
Centro Sperimentale Metallurgico SpA
Original Assignee
Centro Sperimentale Metallurgico SpA
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 Centro Sperimentale Metallurgico SpA filed Critical Centro Sperimentale Metallurgico SpA
Publication of FR2274693A1 publication Critical patent/FR2274693A1/fr
Application granted granted Critical
Publication of FR2274693B1 publication Critical patent/FR2274693B1/fr
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
    • C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
    • B01J8/28—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations the one above the other
    • 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
    • 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]
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR7518515A 1974-06-17 1975-06-13 Procede pour la reduction de minerais de fer et produits obtenus Granted FR2274693A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT5156674A IT1013498B (it) 1974-06-17 1974-06-17 Procedimento per la riduzione di minerali di ferro

Publications (2)

Publication Number Publication Date
FR2274693A1 true FR2274693A1 (fr) 1976-01-09
FR2274693B1 FR2274693B1 (fr) 1977-07-22

Family

ID=11275344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7518515A Granted FR2274693A1 (fr) 1974-06-17 1975-06-13 Procede pour la reduction de minerais de fer et produits obtenus

Country Status (6)

Country Link
US (1) US3985547A (fr)
BE (1) BE830255A (fr)
FR (1) FR2274693A1 (fr)
GB (1) GB1476821A (fr)
IT (1) IT1013498B (fr)
NL (1) NL7507220A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2683830A1 (fr) * 1991-11-19 1993-05-21 Siderurgie Fse Inst Rech Installation de reduction du minerai de fer en lit fluidise circulant.

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4073642A (en) * 1975-09-04 1978-02-14 Stora Kopparbergs Bergslags Aktiebolag Method for reducing material containing iron oxides
FR2450279A1 (fr) * 1979-03-01 1980-09-26 Fives Cail Babcock Procede d'attaque chimique en atmosphere gazeuse controlee et a haute temperature d'un minerai et installation pour la mise en oeuvre de ce procede
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
US5078788A (en) * 1989-12-22 1992-01-07 C.V.G. Siderurgica Del Orinoco, C.A. Method for the direct reduction of iron
US5069716A (en) * 1989-12-22 1991-12-03 C.V.G. Siderurgica Del Orinoco, C.A. Process for the production of liquid steel from iron containing metal oxides
US5876679A (en) * 1997-04-08 1999-03-02 Dorr-Oliver, Inc. Fluid bed reactor
US5912400A (en) * 1997-12-02 1999-06-15 Brifer International Ltd. Method for reforming reducing gas in a fluidized bed process for reduction of ore
AT409387B (de) * 2000-06-28 2002-07-25 Voest Alpine Ind Anlagen Verfahren und anlage zur gasreduktion von teilchenförmigen oxidhältigen erzen
AT409386B (de) * 2000-06-28 2002-07-25 Voest Alpine Ind Anlagen Verfahren und anlage zur direktreduktion von teilchenförmigen oxidhältigen erzen
CN102200277B (zh) * 2011-04-27 2013-01-30 东南大学 一种使用固体燃料化学链燃烧的方法及其装置
GB201320520D0 (en) 2013-11-20 2014-01-01 Invista Tech Sarl Continuous polyamidation process - I
GB201320518D0 (en) * 2013-11-20 2014-01-01 Invista Tech Sarl Continuous polyamidation process - II

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126276A (en) * 1964-03-24 Method of reducing fine iron ore in a fluidized-solids reactor
US2797989A (en) * 1954-02-02 1957-07-02 Norsk Hydro Elektrisk Process for the production of sponge iron with gas as reducing agent
US3375099A (en) * 1964-06-30 1968-03-26 Armco Steel Corp Production of iron from pelletized 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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2683830A1 (fr) * 1991-11-19 1993-05-21 Siderurgie Fse Inst Rech Installation de reduction du minerai de fer en lit fluidise circulant.
EP0543757A1 (fr) * 1991-11-19 1993-05-26 Sollac Installation de réduction du minerai de fer en lit fluidisé circulant

Also Published As

Publication number Publication date
DE2526737A1 (de) 1975-12-18
US3985547A (en) 1976-10-12
DE2526737B2 (de) 1977-03-03
BE830255A (fr) 1975-10-01
FR2274693B1 (fr) 1977-07-22
IT1013498B (it) 1977-03-30
NL7507220A (nl) 1975-12-19
GB1476821A (en) 1977-06-16

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse