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BR8200351A - Processo e aparelho para a reducao seletiva de oxidos metalicos - Google Patents

Processo e aparelho para a reducao seletiva de oxidos metalicos

Info

Publication number
BR8200351A
BR8200351A BR8200351A BR8200351A BR8200351A BR 8200351 A BR8200351 A BR 8200351A BR 8200351 A BR8200351 A BR 8200351A BR 8200351 A BR8200351 A BR 8200351A BR 8200351 A BR8200351 A BR 8200351A
Authority
BR
Brazil
Prior art keywords
selective reduction
metallic oxides
oxides
metallic
selective
Prior art date
Application number
BR8200351A
Other languages
English (en)
Inventor
William Arthur Ahrendt
David Charles Meissner
Charles Walter Sanzenbacher
John Combs Scarlett
Original Assignee
Midrex Corp
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 Midrex Corp filed Critical Midrex Corp
Publication of BR8200351A publication Critical patent/BR8200351A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/02—Obtaining nickel or cobalt by dry processes
    • C22B23/021—Obtaining nickel or cobalt by dry processes by reduction in solid state, e.g. by segregation processes
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B5/00—General methods of reducing to metals
    • C22B5/02—Dry methods smelting of sulfides or formation of mattes
    • C22B5/12—Dry methods smelting of sulfides or formation of mattes by 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
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • 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)
  • Mechanical Engineering (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
BR8200351A 1981-01-29 1982-01-22 Processo e aparelho para a reducao seletiva de oxidos metalicos BR8200351A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/229,611 US4381939A (en) 1981-01-29 1981-01-29 Method for selective reduction of metallic oxides

Publications (1)

Publication Number Publication Date
BR8200351A true BR8200351A (pt) 1982-11-23

Family

ID=22861970

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8200351A BR8200351A (pt) 1981-01-29 1982-01-22 Processo e aparelho para a reducao seletiva de oxidos metalicos

Country Status (14)

Country Link
US (1) US4381939A (pt)
JP (1) JPS6014088B2 (pt)
AU (1) AU541596B2 (pt)
BR (1) BR8200351A (pt)
CA (1) CA1175659A (pt)
DE (1) DE3202284A1 (pt)
FR (1) FR2498629A1 (pt)
GB (1) GB2092180B (pt)
GT (1) GT198273415A (pt)
IN (1) IN155870B (pt)
NO (1) NO814401L (pt)
PH (1) PH16920A (pt)
YU (1) YU18682A (pt)
ZA (1) ZA818575B (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10308269B4 (de) * 2003-02-26 2015-06-11 Thyssenkrupp Industrial Solutions Ag Verfahren zur Gewinnung von Nickel
JP4566684B2 (ja) * 2004-10-12 2010-10-20 大同特殊鋼株式会社 金属Ｎｉ及び／又はＣｏの回収方法
WO2007027998A2 (en) * 2005-08-30 2007-03-08 E. I. Du Pont De Nemours And Company Ore reduction process and titanium oxide and iron metallization product
US8372179B2 (en) * 2007-10-15 2013-02-12 E I Du Pont De Nemours And Company Ore reduction process using carbon based materials having a low sulfur content and titanium oxide and iron metallization product therefrom
CN116004948A (zh) * 2023-01-17 2023-04-25 武汉科技大学 一种向含镍铁水中喷吹co2提高铁水镍含量的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2400098A (en) * 1942-09-29 1946-05-14 Nicaro Nickel Company Recovery of nickel and/or cobalt from ores
US2473795A (en) * 1944-05-10 1949-06-21 Nicaro Nickel Company Reduction of ores containing nickel
US2998311A (en) * 1958-08-25 1961-08-29 Int Nickel Co Processing nickel-containing lateritic ores
US3318689A (en) * 1963-12-24 1967-05-09 Sherritt Gordon Mines Ltd Treatment of laterites
CA934163A (en) * 1971-05-03 1973-09-25 W. Gulyas James Recovering and utilizing dust particles from ore roasting operations
US3773891A (en) * 1971-12-10 1973-11-20 Int Nickel Co Acid leaching of lateritic ores
US3853538A (en) * 1973-07-20 1974-12-10 Steel Corp Use of reducing gas by coal gasification for direct iron ore reduction
US4216011A (en) * 1979-04-23 1980-08-05 Hylsa, S.A. Method and apparatus for the secondary gaseous reduction of metal ores
US4246024A (en) * 1979-10-31 1981-01-20 Grupo Industrial Alfa, S.A. Method for the gaseous reduction of metal ores using reducing gas produced by gasification of solid or liquid fossil fuels

Also Published As

Publication number Publication date
DE3202284A1 (de) 1982-08-26
GB2092180A (en) 1982-08-11
AU7821181A (en) 1982-08-05
CA1175659A (en) 1984-10-09
NO814401L (no) 1982-07-30
ZA818575B (en) 1982-11-24
GB2092180B (en) 1985-06-05
AU541596B2 (en) 1985-01-10
JPS57143448A (en) 1982-09-04
JPS6014088B2 (ja) 1985-04-11
US4381939A (en) 1983-05-03
IN155870B (pt) 1985-03-23
FR2498629A1 (fr) 1982-07-30
YU18682A (en) 1985-03-20
GT198273415A (es) 1983-07-20
PH16920A (en) 1984-04-12

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