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TR200908848T1 - Method for producing chromium metal nuggets from chromite ores / concentrates. - Google Patents

Method for producing chromium metal nuggets from chromite ores / concentrates.

Info

Publication number
TR200908848T1
TR200908848T1 TR200908848T TR200908848T TR200908848T1 TR 200908848 T1 TR200908848 T1 TR 200908848T1 TR 200908848 T TR200908848 T TR 200908848T TR 200908848 T TR200908848 T TR 200908848T TR 200908848 T1 TR200908848 T1 TR 200908848T1
Authority
TR
Turkey
Prior art keywords
nuggets
concentrates
chromium metal
producing chromium
chromite ores
Prior art date
Application number
TR200908848T
Other languages
Turkish (tr)
Inventor
U. Kapur Gajanan
M. Rao Saripalli
D. Tathavadkar Vilas
Original Assignee
Tata Steel Limited
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 Limited filed Critical Tata Steel Limited
Publication of TR200908848T1 publication Critical patent/TR200908848T1/en

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)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (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)

Abstract

Kromit cevheri/ konsantresinden krom külçelerini üretmeye yönelik bir usul; kromit cevheri/krom konsantresini oksitlemeyi (1) 900°C sıcaklıktaki bir fırın (2) içinde 1.0 ila 3.3 aralığında olan Cr: Fe oranını kapsamayı, oksitlenen cevheri (4) indirgeyici kömür (5) ve cüruf oluşturucu madde (kireç, silis) (6) ile karıştırmayı, karışımı topak haline getirmeyi (pelletleştirme), topakları bir döner fırın (9) içinde 1.400 ile 1.600°C arasındaki bir sıcaklıkta indirgemeyi, bu şekilde üretilen krom külçelerini (12) bir ayrıştırma ünitesinde (11) cüruftan (13) ayırmayı içermektedir.A method for producing chromium nuggets from chromite ore / concentrate; oxidizing chromite ore / chromium concentrate (1) including Cr: Fe ratio in the range of 1.0 to 3.3 in a furnace (2) at 900 ° C, oxidized ore (4) reducing coal (5) and slag forming agent (lime, silica) ( 6) to agglomerate the mixture (pelletize), reduce the pellets at a temperature between 1,400 and 1,600 ° C in a rotary kiln (9), separate the chrome nuggets (12) produced in this way from the slag (13) in a separation unit (11) contains.

TR200908848T 2007-05-24 2008-02-12 Method for producing chromium metal nuggets from chromite ores / concentrates. TR200908848T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IN802KO2007 2007-05-24

Publications (1)

Publication Number Publication Date
TR200908848T1 true TR200908848T1 (en) 2012-02-21

Family

ID=40031451

Family Applications (1)

Application Number Title Priority Date Filing Date
TR200908848T TR200908848T1 (en) 2007-05-24 2008-02-12 Method for producing 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 (17)

* 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 A method for manufacturing low-carbon ferrochromium using continuous thermite 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
CA2919974C (en) * 2013-08-01 2020-06-02 North-West University 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
CN110431243A (en) * 2017-03-21 2019-11-08 朗盛德国有限责任公司 The method for preparing the particle of iron content and chromium
US10982300B2 (en) 2017-05-02 2021-04-20 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 A process for efficient treatment of metallurgical dust and sludge containing zinc and iron in a rotary hearth furnace
CN112226615B (en) * 2020-10-15 2021-11-12 中南大学 A comprehensive utilization method of stainless steel solid waste
GB202108524D0 (en) 2021-06-15 2021-07-28 Eestech Inc Improved smelting system
WO2025116755A1 (en) * 2023-11-29 2025-06-05 Re Alloys Sp. Z O.O. Ferrosilicochromium with a low admixture content, method of its production and its application in production of low carbon ferrochrome
CN118389823B (en) * 2024-06-28 2024-09-27 内蒙古新太元新材料有限公司 Chromite prereduced pellet and preparation method thereof

Family Cites Families (12)

* 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
US4414026A (en) * 1981-07-30 1983-11-08 Nippon Kokan Kabushiki Kaisha Method 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
PH22151A (en) * 1983-12-31 1988-06-01 Krupp Gmbh Process for the production of ferrochromium
JPS6169944A (en) * 1984-09-13 1986-04-10 Nippon Steel Corp Manufacturing method by melting reduction of ferrochrome
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
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

Also Published As

Publication number Publication date
CN101765670B (en) 2013-07-17
JP2010528184A (en) 2010-08-19
KR101498995B1 (en) 2015-03-06
KR20100021620A (en) 2010-02-25
EP2152925A4 (en) 2016-11-09
EP2152925A1 (en) 2010-02-17
CN101765670A (en) 2010-06-30
ZA200908067B (en) 2010-07-28
JP5364091B2 (en) 2013-12-11
WO2008142704A1 (en) 2008-11-27

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