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
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)
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.
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 (15)
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 |
RU2551729C2 (en) * | 2009-09-14 | 2015-05-27 | Чонгкинг Рюифан Реньювэбл Ресорсес Девелопмент Ко., Лтд. | Method of chromium slag neutralisation using annealing method and blast-furnace process |
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 |
EA201992240A1 (en) * | 2017-03-21 | 2020-03-23 | Ланксесс Дойчланд Гмбх | METHOD FOR OBTAINING IRON AND CHROME CONTAINING PARTICLES |
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 | 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 |
Family Cites Families (12)
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 | Manufacture by melting and reducing 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 |
-
2008
- 2008-02-12 KR KR1020097026723A patent/KR101498995B1/en active IP Right Grant
- 2008-02-12 TR TR200908848T patent/TR200908848T1/en unknown
- 2008-02-12 CN CN2008800171953A patent/CN101765670B/en not_active Expired - Fee Related
- 2008-02-12 WO PCT/IN2008/000087 patent/WO2008142704A1/en active Application Filing
- 2008-02-12 EP EP08710282.8A patent/EP2152925A4/en not_active Withdrawn
- 2008-02-12 JP JP2010508969A patent/JP5364091B2/en not_active Expired - Fee Related
-
2009
- 2009-11-16 ZA ZA200908067A patent/ZA200908067B/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN101765670A (en) | 2010-06-30 |
KR101498995B1 (en) | 2015-03-06 |
WO2008142704A1 (en) | 2008-11-27 |
CN101765670B (en) | 2013-07-17 |
EP2152925A4 (en) | 2016-11-09 |
KR20100021620A (en) | 2010-02-25 |
JP5364091B2 (en) | 2013-12-11 |
EP2152925A1 (en) | 2010-02-17 |
ZA200908067B (en) | 2010-07-28 |
JP2010528184A (en) | 2010-08-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TR200908848T1 (en) | Method for producing chromium metal nuggets from chromite ores / concentrates. | |
Conejo et al. | A review of the current environmental challenges of the steel industry and its value chain | |
MX2010002194A (en) | Direct processing of metallic ore concentrates into ferroalloys. | |
Jiang et al. | 6th international symposium on high-temperature metallurgical processing | |
TWI612147B (en) | Method for improving the reduction degree in the smelting of ferroalloy | |
Piatak et al. | Metallurgical Slags | |
CN101265508A (en) | Harmless resource treatment method for chromium slag by using blast furnace iron-making technique | |
McEwan et al. | Chromite—A cost-effective refractory raw material for refractories in various metallurgical applications | |
CN109477155A (en) | Manufacture have the manganese of required content, nickel, molybdenum ferrochrome method | |
du Preez et al. | An overview of currently applied ferrochrome production processes and their waste management practices | |
Xu et al. | Valuable Recovery Technology and Resource Utilization of Chromium-Containing Metallurgical Dust and Slag: A Review | |
TW200730630A (en) | Method for manufacturing metallic iron | |
Romenets et al. | Technological assessment of the Romelt process in the classic and two-zone variants | |
CN107262731B (en) | Stocking/component of machine product method is forged in a kind of powdery iron ore direct reduced iron hot pressing | |
Singhal et al. | Conversion of entire dusts and sludges generated during manufacture of stainless steels into value added products | |
Hao et al. | A review of comprehensive utilization of copper slag of China | |
Laranjo et al. | Production of Fe-Cr-Ni-Mn alloy by direct smelting of mixed low-grade chromite, nickel laterite and manganese ores with low-grade coal as reductant | |
Zulhan | Iron and steelmaking slags: are they hazardous waste | |
Zhdanov et al. | Wastes generation and use in ferroalloy production | |
Vaish et al. | Exploration and Exploitation of Multi-Metallic Magnetite Ore of Nagaland for Value Added Product | |
Jiang et al. | 3rd International Symposium on High-Temperature Metallurgical Processing | |
RU2009108860A (en) | METHOD FOR PROCESSING VANADIUM CONTAINING TITANOMAGNETITES DURING DIRECT ALLOYING STEEL VANADIUM | |
Zhdanov et al. | Waste Generation and Recycling in the Ferroalloy Industry | |
Morrison et al. | Direct reduction process using fines and with reduced CO2 emission | |
Singh et al. | Reduction kinetics of iron ore pellets and the effect of binders |