EP2152925A4 - Process for the production of chromium metal nuggets from chromite ores/concentrates. - Google Patents

Process for the production of chromium metal nuggets from chromite ores/concentrates.

Info

Publication number
EP2152925A4
EP2152925A4 EP08710282.8A EP08710282A EP2152925A4 EP 2152925 A4 EP2152925 A4 EP 2152925A4 EP 08710282 A EP08710282 A EP 08710282A EP 2152925 A4 EP2152925 A4 EP 2152925A4
Authority
EP
European Patent Office
Prior art keywords
concentrates
production
chromium metal
chromite ores
metal nuggets
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.)
Withdrawn
Application number
EP08710282.8A
Other languages
German (de)
French (fr)
Other versions
EP2152925A1 (en
Inventor
Gajanan U Kapur
Vilas D Tathavadkar
Saripalli M Rao
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.)
Tata Steel Ltd
Original Assignee
Tata Steel Ltd
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 Tata Steel Ltd filed Critical Tata Steel Ltd
Publication of EP2152925A1 publication Critical patent/EP2152925A1/en
Publication of EP2152925A4 publication Critical patent/EP2152925A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
    • C22C27/06—Alloys based on chromium
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/02—Roasting processes
    • C22B1/10—Roasting processes in fluidised form
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating
    • C22B1/2406—Binding; Briquetting ; Granulating pelletizing
    • 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
    • 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
    • C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
    • 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
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/04—Working-up slag
    • 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)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP08710282.8A 2007-05-24 2008-02-12 Process for the production of chromium metal nuggets from chromite ores/concentrates. Withdrawn EP2152925A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN802KO2007 2007-05-24
PCT/IN2008/000087 WO2008142704A1 (en) 2007-05-24 2008-02-12 Process for the production of chromium metal nuggets from chromite ores/concentrates.

Publications (2)

Publication Number Publication Date
EP2152925A1 EP2152925A1 (en) 2010-02-17
EP2152925A4 true EP2152925A4 (en) 2016-11-09

Family

ID=40031451

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08710282.8A Withdrawn EP2152925A4 (en) 2007-05-24 2008-02-12 Process for the production of chromium metal nuggets from chromite ores/concentrates.

Country Status (7)

Country Link
EP (1) EP2152925A4 (en)
JP (1) JP5364091B2 (en)
KR (1) KR101498995B1 (en)
CN (1) CN101765670B (en)
TR (1) TR200908848T1 (en)
WO (1) WO2008142704A1 (en)
ZA (1) ZA200908067B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101469679B1 (en) * 2009-03-02 2014-12-05 신화메탈 주식회사 Low carbon-ferrochromium manufacturing method by using continuous thermit reaction
WO2011029269A1 (en) * 2009-09-14 2011-03-17 重庆瑞帆再生资源开发有限公司 Method for innocuously treating chromium residue using metallurgical roasting and blast furnace
WO2013011521A1 (en) * 2011-07-18 2013-01-24 Tata Steel Limited A method for direct reduction of oxidized chromite ore fines composite agglomerates in a tunnel kiln using carbonaceous reductant for production of reduced chromite product/ agglomerates applicable in ferrochrome or charge chrome production.
CN102432068B (en) * 2011-09-28 2013-10-16 北京科技大学 Process for producing sodium chromate
CN102994850A (en) * 2012-10-29 2013-03-27 海门市金易焊接材料有限公司 Low-carbon chromium metal
CN105612264A (en) * 2013-08-01 2016-05-25 西北大学 Process for enhanced pre-reduction of chromite
WO2016115593A1 (en) * 2015-01-20 2016-07-28 Pelleton Ip Holdings Limited Method for producing a chromite agglomerate
EP3601625B1 (en) * 2017-03-21 2021-05-19 Brother Group (Hong Kong) Limited Process for preparing iron- and chrome-containing particles
EP3619331A4 (en) 2017-05-02 2020-12-23 Her Majesty the Queen in Right of Canada as represented by the Minister of Natural Resources Carbothermic direct reduction of chromite using a catalyst for the production of ferrochrome alloy
CN107699685A (en) * 2017-08-09 2018-02-16 江苏省冶金设计院有限公司 A kind of production method of silicochromium
US10508319B1 (en) * 2019-06-27 2019-12-17 MM Metals USA, LLC Method and system for producing low carbon ferrochrome from chromite ore and low carbon ferrochrome produced thereby
CN112251600A (en) * 2019-07-22 2021-01-22 孙凌玉 Preparation method and application of chromium metallization ball
CN110306058B (en) * 2019-07-23 2021-03-12 中南大学 Process for efficiently treating zinc-iron-containing metallurgical dust and sludge by rotary hearth furnace
CN112226615B (en) * 2020-10-15 2021-11-12 中南大学 Comprehensive utilization method of stainless steel solid waste
GB202108524D0 (en) 2021-06-15 2021-07-28 Eestech Inc Improved smelting system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58193330A (en) * 1982-05-04 1983-11-11 Kawasaki Steel Corp Preliminary reducing method and apparatus for reducing chromium ore by melting
US4515352A (en) * 1981-07-30 1985-05-07 Nippon Kokan Kabushiki Kaisha Rotary furnace used for the production of ferrochromium
DE3518555C1 (en) * 1985-05-23 1986-01-09 Fried. Krupp Gmbh, 4300 Essen Process for the reduction of iron-containing chrome ores
US4629506A (en) * 1983-12-31 1986-12-16 Fried. Krupp Gesellschaft Mit Beschraenkter Haftung Process for the production of ferrochromium
DE3713883A1 (en) * 1987-04-25 1988-11-17 Metallgesellschaft Ag Process for producing ferrochromium

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137246B1 (en) * 1970-05-11 1976-10-14
JPS4936848B1 (en) * 1970-12-30 1974-10-03
JPS50136211A (en) * 1974-04-18 1975-10-29
JPS6169944A (en) * 1984-09-13 1986-04-10 Nippon Steel Corp Manufacture by melting and reducing of ferrochrome
JP3335504B2 (en) * 1995-07-21 2002-10-21 富士通株式会社 Clock distribution device
CN1172010C (en) * 2001-11-15 2004-10-20 湖南铁合金集团有限公司 process for producing low-Ti High-C ferrochronium
JP4307849B2 (en) * 2003-01-07 2009-08-05 株式会社神戸製鋼所 Method for reducing chromium-containing raw materials

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4515352A (en) * 1981-07-30 1985-05-07 Nippon Kokan Kabushiki Kaisha Rotary furnace used for the production of ferrochromium
JPS58193330A (en) * 1982-05-04 1983-11-11 Kawasaki Steel Corp Preliminary reducing method and apparatus for reducing chromium ore by melting
US4629506A (en) * 1983-12-31 1986-12-16 Fried. Krupp Gesellschaft Mit Beschraenkter Haftung Process for the production of ferrochromium
DE3518555C1 (en) * 1985-05-23 1986-01-09 Fried. Krupp Gmbh, 4300 Essen Process for the reduction of iron-containing chrome ores
DE3713883A1 (en) * 1987-04-25 1988-11-17 Metallgesellschaft Ag Process for producing ferrochromium

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
ABDULABEKOV E E ET AL: "PRODUCTION OF CHROMITE PELLETS FOR SMELTING HIGH-CARBON FERROCHROMIUM", STEEL IN TRANSLATION, ALLERTON PRESS, NEW YORK, NY, US, vol. 33, no. 5, 1 January 2003 (2003-01-01), pages 25 - 28, XP001211624, ISSN: 0967-0912 *
See also references of WO2008142704A1 *
WEBER ET AL: "The reduction mechanism of chromite in the presence of a silica flux", METALLURGICAL TRANSACTIONS B. PROCESS METALLURGY, METALLURGICAL SOCIETY OF AIME. NEW YORK, US, vol. 24B, no. 6, 1 December 1993 (1993-12-01), pages 987 - 995, XP002171971 *
Y.L. DING ET AL: "Catalytic reduction of carbon-chromite composite pellets by lime", THERMOCHIMICA ACTA., vol. 292, no. 1-2, 1 May 1997 (1997-05-01), AMSTERDAM, NL., pages 85 - 94, XP055307060, ISSN: 0040-6031, DOI: 10.1016/S0040-6031(97)00050-6 *

Also Published As

Publication number Publication date
TR200908848T1 (en) 2012-02-21
WO2008142704A1 (en) 2008-11-27
JP2010528184A (en) 2010-08-19
KR20100021620A (en) 2010-02-25
KR101498995B1 (en) 2015-03-06
CN101765670A (en) 2010-06-30
CN101765670B (en) 2013-07-17
EP2152925A1 (en) 2010-02-17
JP5364091B2 (en) 2013-12-11
ZA200908067B (en) 2010-07-28

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