FI861979A - Foerfarande foer reduktion av jaernhaltig krommalm. - Google Patents

Foerfarande foer reduktion av jaernhaltig krommalm. Download PDF

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Publication number
FI861979A
FI861979A FI861979A FI861979A FI861979A FI 861979 A FI861979 A FI 861979A FI 861979 A FI861979 A FI 861979A FI 861979 A FI861979 A FI 861979A FI 861979 A FI861979 A FI 861979A
Authority
FI
Finland
Prior art keywords
krommalm
jaernhaltig
reduktion
foerfarande foer
foerfarande
Prior art date
Application number
FI861979A
Other languages
English (en)
Other versions
FI83976C (fi
FI83976B (fi
FI861979A0 (fi
Inventor
Dietrich Radke
Wilhelm Janssen
Klaus Ulrich
Original Assignee
Krupp Gmbh
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 Krupp Gmbh filed Critical Krupp Gmbh
Publication of FI861979A0 publication Critical patent/FI861979A0/fi
Publication of FI861979A publication Critical patent/FI861979A/fi
Application granted granted Critical
Publication of FI83976B publication Critical patent/FI83976B/fi
Publication of FI83976C publication Critical patent/FI83976C/fi

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
    • C22B34/00—Obtaining refractory metals
    • C22B34/30—Obtaining chromium, molybdenum or tungsten
    • C22B34/32—Obtaining chromium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/08—Making spongy iron or liquid steel, by direct processes in rotary furnaces
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C30/00—Alloys containing less than 50% by weight of each constituent
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FI861979A 1985-05-23 1986-05-12 Foerfarande foer reduktion av jaernhaltig krommalm. FI83976C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3518555 1985-05-23
DE3518555A DE3518555C1 (de) 1985-05-23 1985-05-23 Verfahren zur Reduktion von eisenhaltigen Chromerzen

Publications (4)

Publication Number Publication Date
FI861979A0 FI861979A0 (fi) 1986-05-12
FI861979A true FI861979A (fi) 1986-11-24
FI83976B FI83976B (fi) 1991-06-14
FI83976C FI83976C (fi) 1991-09-25

Family

ID=6271458

Family Applications (1)

Application Number Title Priority Date Filing Date
FI861979A FI83976C (fi) 1985-05-23 1986-05-12 Foerfarande foer reduktion av jaernhaltig krommalm.

Country Status (11)

Country Link
US (1) US4772316A (fi)
JP (1) JPH0723515B2 (fi)
DE (1) DE3518555C1 (fi)
FI (1) FI83976C (fi)
GR (1) GR861298B (fi)
IN (1) IN165027B (fi)
PH (1) PH23511A (fi)
SU (1) SU1466652A3 (fi)
TR (1) TR26852A (fi)
ZA (1) ZA863819B (fi)
ZW (1) ZW9686A1 (fi)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63130726A (ja) * 1986-11-21 1988-06-02 Kawasaki Steel Corp クロム鉱石還元用ロ−タリ−キルンの操業方法とその装置
JPH07100807B2 (ja) * 1988-02-24 1995-11-01 川崎製鉄株式会社 低ｓ含クロム溶鉄の製造方法
JP2655864B2 (ja) * 1988-03-14 1997-09-24 昭和電工株式会社 高還元クロム鉱石粉体の製造方法
DE3826824C1 (fi) * 1988-08-06 1990-01-04 Fried. Krupp Gmbh, 4300 Essen, De
ZA947333B (en) * 1993-09-22 1995-05-10 Rgc Mineral Sands Ltd Treatment of titaniferous material.
ES2114388B1 (es) * 1994-06-16 1998-12-16 Del Oxigeno S A Soc Esp Procedimiento para la fusion de metales en hornos rotativos y horno de fusion rotativo para la aplicacion de este procedimiento.
US5567224A (en) * 1995-06-06 1996-10-22 Armco Inc. Method of reducing metal oxide in a rotary hearth furnace heated by an oxidizing flame
JP4307849B2 (ja) 2003-01-07 2009-08-05 株式会社神戸製鋼所 クロム含有原料の還元方法
CN101765670B (zh) * 2007-05-24 2013-07-17 塔塔钢铁有限公司 由铬铁矿石或铬铁精矿生产铬金属块的方法
RU2490332C1 (ru) * 2011-12-05 2013-08-20 Открытое акционерное общество "Магнитогорский металлургический комбинат" Способ металлизации железорудного сырья с получением гранулированного чугуна
PT2870107T (pt) 2012-07-06 2018-03-28 Lanxess Deutschland Gmbh Processo para redução de cromo hexavalente em sólidos oxídicos
JP7215092B2 (ja) * 2018-11-08 2023-01-31 住友金属鉱山株式会社 酸化鉱石の製錬方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4414026A (en) * 1981-07-30 1983-11-08 Nippon Kokan Kabushiki Kaisha Method for the production of ferrochromium
DE3431854C1 (de) * 1984-08-30 1986-01-09 Fried. Krupp Gmbh, 4300 Essen Verfahren zur Herstellung von Ferrochrom
PH22151A (en) * 1983-12-31 1988-06-01 Krupp Gmbh Process for the production of ferrochromium

Also Published As

Publication number Publication date
FI83976C (fi) 1991-09-25
FI83976B (fi) 1991-06-14
SU1466652A3 (ru) 1989-03-15
IN165027B (fi) 1989-08-05
PH23511A (en) 1989-08-16
TR26852A (tr) 1994-08-19
US4772316A (en) 1988-09-20
GR861298B (en) 1986-09-19
JPS61272329A (ja) 1986-12-02
ZA863819B (en) 1987-01-28
ZW9686A1 (en) 1987-02-25
JPH0723515B2 (ja) 1995-03-15
DE3518555C1 (de) 1986-01-09
FI861979A0 (fi) 1986-05-12

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Legal Events

Date Code Title Description
PC Transfer of assignment of patent

Owner name: SAMANCOR LIMITED

MM Patent lapsed

Owner name: SAMANCOR LIMITED