chrome ore sintering

Chromite value chain Outotec

Pelletizing and sintering play a crucial role in modifying the smelting behavior of chromite ore as good charge uniformity results in consistent furnace performance lower power costs and higher recovery yields Outotec 39 s pelletizing and sintering concept is also energy efficient because all reaction gases are efficiently nbsp

Operating context Our Investments Merafe Resources

Global economic conditions Exchange rates Stainless steel demand Growth of Chinese ferrochrome industry Chrome ore exports investments in energy efficiency Lion Complex and two new pelletising and sintering plants Lion II has achieved further efficiencies Significant chrome ore reserves and access to UG2 nbsp


2 Dec 2004 ABSTRACT Sinai Manganese Company imports the manganese ore sinter from abroad for ferromanganese alloy production Large quantities of manganese ore sinter fines are produced in this process These fines must be agglomerated to a suitable size in order to be reused for charging the electric arc nbsp

Sinter plant Wikipedia

Main feed into a sinter plant is base mix which consists of iron ore fines coke fines and flux lime stone fines In addition to base mix coke fines flux fines sinter fines iron dust collected from plant de dusting system amp ESP and plant waste are mixed in proportion by weight in a nbsp

Patent WO2013011521A1 A method for direct reduction of oxidized

24 Jan 2013 Chromite ore fines are conventionally agglomerated to pellets without any prior heat treatment of ore fines These agglomerates are then subjected to sintering process in a vertical shaft furnace or a horizontal steel belt sintering furnace prior to smelting in the submerged arc furnace According to the prior nbsp

Sintering behaviours of chromite fines and the

Sintering behaviours of chromite fines and the consolidation mechanism Similar to iron ore sintering Z M FengPelleting of India chrome ore fines and its

Technological Trends in the Processing of Chromite and Laterite Ores

Ferroalloy production Rotary kiln Electric Arc Furnace Laterite ore or Chromite ore Ferronickel or Ferrochromium Coal Slag Page 7 Pig iron production Sintering Sintered Ore Coke Coking Limestone Iron Ore Coal Pig Iron Iron Blast Furnace nbsp

Ores and Raw Materials MTD 13 Metallurgical Engineering

6 Sep 2013 IS 1493 3 txt 1987 Methods of chemical analysis of iron ores Part 3 Determination of titanium chromium vanadium calcium and magnesium by atomic absorption spectrophotometry IS 1493 4 pdf IS 5842 txt 1986 Method for Measuring Bulk Density of Iron Oxides Lump Ores Sinter and Pellets

Sintering Ore

Ore bearing rock with the required characteristics is blasted before undergoing stages of fragmentation and screening The crushed ore measuring up to 10mm is standardised throughout both processing and the layer by layer formation of stacks in the designated store In winter the sintering ore is dried with agreement nbsp

Manganese Investor Day Disclaimer African Rainbow Minerals

22 May 2008 10 Platinum Nickel Manganese Iron Ore Dwarsrivier Chrome Ore Coal 0 10 20 ARM track record of project delivery Completed projects gt R5 bn 2004 2007 Projects in progress Nchwaning and Gloria ore as well as Mamatwan Sinter is railed from the 33 g Northern Cape province – total nbsp

Sintering Characteristics of Indian Chrome Ore

Chrome ore concentrate consists of high temperature melting oxides such as Cr2O3 MgO and Al2O3 The presence of these refractory constituents makes the ore a very

Smelting characteristics of fluxed chromite sinter and its

More than 80 of the high grade chromite ores are fragile and tend to form fines during their handling In order to utilise these chromite ore fine in ferrochrome production agglomeration is necessary In the present study the direct sintering of chromite ore fines in the presence of coke breeze has been carried out which nbsp

utilisation of low grade off grade ores and mine waste

nickel cobalt and chrome values from the over burden material of Sukinda ores and minerals Key words Mine waste Kyanite Faro manganese INTRODUCTION THE important factor that makes a deposit 39 ore 39 or other wise is its burden can be formed by Mn sinter if the quality of sinter is the same as that of the ore nbsp

Chrome Ore About Sinosteel Sinosteel India

Sinosteel India engages in chrome ore import from India and other countries like Oman Turkey and South Africa Meanwhile in order to improve the service and facilitate the clients Sinosteel India also provides stock business in China 39 s ports such as Lianyungang Port and Tianjing Port We sell cargo both on CIF forms as nbsp

Belt type sinter plant YouTube

25 Nov 2015 Belt type sintering machine is a necessary equipment for large and middle sized smelting enterprises to produce pre iron sintering ore After sintering the m The belt type sintering now successfully applied in nickle ore sintering chrome ore sintering manganese ore sintering iron ore sintering

Technology Innovations in the Smelting of Chromite Ore

done mainly in a rotary kiln and the energy required for sintering and preheating the pellets comes from the CO gas generated from the submerged arc furnace In Outokumpu process the chromite ore is partly reduced in the rotary kiln during preheating thereby reducing the amount of electric energy required for final nbsp


ERAMET is a world leader in alloying metals particularly manganese and nickel and in high quality metallurgy In addition ERAMET is developing major projects in new activities with high growth potential such as mineral sands titanium dioxide and zirconium lithium and recycling The Group employs about 13 000 nbsp

Sintering Wikipedia

Sintering is the process of compacting and forming a solid mass of material by heat 100 sintered iron ore can not be charged in the blast furnace

Sintering Characteristics of Indian Chrome Ore Fines PDF

29 May 2017 Chrome ore concentrate consists of high temperature melting oxides such as Cr2O3 MgO and Al2O3 The presence of these refractory constituents makes the ore a very high melting mineral Hence it is difficult to produce sinter from chrome ore by a pyrometallurgical route Currently chrome ore is ground nbsp

Outotec® Steel Belt Sintering

charge uniformity results in consistent smelting furnace performance lower power costs and higher recovery yields Outotec Steel Belt Sintering is currently the most efficient and profitable solution available for chromite ore and niobium ore pelletizing It can also be adapted to handle iron ore manganese ore nickel ore and

chrome ore sintering process Grinding Mill

chrome ore sintering process Trituradora de molinos Briquetted Chrome Ore Fines Utilisation in Ferrochrome BRIQUETTED CHROME ORE FINES

Fundamental aspects of sintering of chromites concentrates

Brazilian chromite ores need to be crushed to a size below 1 mm to allow concentrations that decrease the content of gangues The concentrate particle size distributions therefore are not favourable for sintering The chromite concentrates are mainly composed of chromite grains and gangues of magnesium silicates

Some studies on recovery of chromium from chromite ore NOPR

This work reports a methodology for near complete mobilization and recovery of chromium from chromite ore processing sodium chromate is termed as the chromite ore the ore Implications of different leaching studies During chromite ore dressing process sintering of chromium ore with attended changes in particle

chromite ore fines briquetting machine

As the availability of lumpy of chrome ore is decreasing day by day the need for agglomeration has become important Of the three industrially used methods of agglomeration of chromite ores sintering pelletization and briquetting chromite ore fines briquetting machine is preferred because the other two are associated nbsp

Sintering Characteristics of Indian Chrome Ore

Official Full Text Paper PDF Sintering Characteristics of Indian Chrome Ore Fines

The disposition of chromite ore processing residue COPR

15 May 2015 The feasibility of using industrial symbiosis for solid waste disposal was explored via a regional industrial symbiosis case that recycled chromite ore processing residue COPR in the sintering iron making and steel making process The process was analyzed from three aspects the reduction rate of Cr VI nbsp

Smelting of High Carbon Ferrochrome from Chromium Agglomerate

It is demonstrated by experimental melts that high carbon ferrochrome can be produced from proposed agglomerates An estimation of smelting parameters for production of high carbon ferrochrome is made Keywords high carbon ferrochrome smelting submerged arc furnace chrome ore sinter flux clay micro silica

Agglomeration at Eramet SINTEF

23 Nov 2016 High purity nickel and alloys melting and transformation plants Manganese mine Manganese alloys and metal plants Maboumine project niobium SINTERING 18 Typical sinter mix consisted of 1 10mm Mn ore fines lt 6mm coke fines return sinter fines and flux additives Materials are pelletised in a nbsp

Chromite ore fines sintering for ferrochrome production eprints NML

8 Feb 2013 Agarwal Sanjay and Ghorai S and Pal J and Ghosh Dinabandhu 2013 Chromite ore fines sintering for ferrochrome production In 26th National convention of metallurgical and material engineers amp National seminar LGO 2013 of Institution of Engineers India 22 23rd January Jamshedpur Full text not nbsp


Production of Ferro Manganese Silico Manganese and Ferro Chrome RgCON SERVICES have kept abreast of such Agglomeration Techniques and have placed themselves in a position to undertake Design of Manganese Ore Sintering and Chrome Ore Briquetting plants through collaborated tie up with M s SAC Co

Corporate Profile OM Holdings Ltd

the mining of manganese at the 100 owned Bootu Creek Project located in the Northern Territory of Australia It has high value in use for siliceous and sinter feed grade ore and is uniformly low in contaminant phosphorous and the operation has no logistical constraints being in close proximity to rail and road links to the nbsp


Run of mine ore is upgraded through an ore beneficiation plant The ore is crushed and The chromite fines are pelletised and sintered through Outokumpu technology to CONTINUE READING The closed furnaces are fed raw materials from various sources including chrome ore coke char coal CONTINUE READING nbsp

Sintered Manganese Ore and Its Use in Pyro co za

A process for sintering manganese ore was developed by Outokumpu with equipment proven in the sintering of chromite In the process manganese ore fines are micro pelletised and or nodulised sintered on a steel belt and then crushed to the proper size Special attention is paid to the chemistry and phenomena of the nbsp

S Agarwal Google Scholar Citations

1 2007 Chromite ore fines sintering for ferrochrome production S Agarwal S Ghorai J Pal D Ghosh 2013 Direct sintering of chromite ore fines for ferrochrome production in submerge arc furnace S Agarwal S Ghorai J Pal D Ghosh 2012 Studies on the Production of Ferro Silico Manganese Alloy in Arc Furnace from nbsp

Ore Processing International Chromium Development Association

Ore Processing The following diagram illustrates a typical material flow Chrome ore in various sizes is typically charged into a submerged AC Electric Arc Furnace and Initial processing of chromite ores can be by hand binder reductant and fluxes and pass them through a rotary kiln where they are hardened sintered

Development of Chromite Sinter from Ultra Fine Chromite Ore by

Pelletization requires further grinding of the naturally available ore fines and the subsequent firing of the green pellets for strength development which make it energy intensive and complex process In contrast sintering can be done directly on the as received friable chromite ore in the presence of coke breeze as in case of nbsp


OPTIMIZING MANGANESE ORE SINTER PLANTS PROCESS PARAMETERS AND DESIGN IMPLICATIONS J Malan1 W Barthel1 and B A Dippenaar2 1Pyromet Technologies Pty Ltd POBox 61582 Marshalltown 2107 South Africa E mail JacquesM Pyromet co za 2Kumba Resources Limited POBox 9229 nbsp

Comparison of physical properties of oxidative sintered SAIMM

MG seams However due to the increase in the availability of UG2 ore as well as technical innovations in the FeCr and stainless steel industries an increasing volume of UG2 feed Comparison of physical properties of oxidative sintered pellets produced with UG2 or metallurgical grade South African chromite a case study