Development of a beneficiation route to upgrade Sishen iron ore jig slimes for iron making Molebiemang 208023232 A dissertation submitted in fulfilment of the requirements for the Magister Technologiae Engineering Metallurgical Department Metallurgical Engineering Faculty of Engineering and Technology Vaal University of Technology
To utilise the fine slimes various beneficiation plants are established in the last few decades by combining multiple operations including fines palletization
of the iron ore slimes However with the development of higher capacity machines 30 50 tph there is renewed interest in the possible use of MGS for iron ore applications Kelsey Centrifugal Jig KCJ The KCJ is an enhanced gravity separator which utilises all the parameters of a conventional jig as
The beneficiation of iron ore slimes produced from washing plants and tailing ponds of Kiruburu mines was studied using wet high intensity magnetic separators WHIMS followed by classification in hydro cyclone whereby a concentrate assaying 63 % Fe and % alumina was produced with an overall iron recovery of 56 % Though multi gravity
The beneficiation studies of iron ore slimes sample was carried out using dispersion and selective flocculation techniques The separation parameters are defined as follows
Beneficiation of iron ore slimes has been studied Three different iron ore slimes from Chitradurga filling and Ukraine have been characterized in detail The slime samples have Pradip [6] used the multi gravity separation technique for treating the iron ore slime and for reducing alumina Das et al [7] used classification by
3 Introduction Iron is the fourth most abundant mineral on earth having a reserve of 170 billion tonnes of crude iron ore Iron & steel is the driving force behind industrial development in any country The mining of iron ore an essential raw material for Iron & Steel Industry is arguably of prime importance among all mining activities undertaken by any
The specific gravity of iron ore is higher than its gangue The specific gravity of common iron ores are given with iron percentage in it 2010 Optimization studies o Hydrocyclone for beneficiation o Iron ore slimes Mineral Processing and Extractive Metallurgy Review Issue 2 pp 86 96 Das B Mohapatra B K Reddy P S R and
BR holds similarities to iron slimes generated after iron ore beneficiation Iron slimes has hematite as the main iron host phase 35 45 % Fe a fine particle size distribution 99 % < 45 µm
In the present paper an attempt has been made to beneficiate iron ore tailings by selective flocculation using guar gum and starch as flocculants along with sodium hexametaphosphate SHMP as the dispersant The mineralogical studies carried out initially indicated the presence of hematite and goethite as major iron bearing mineral phases along
In this paper a sample from Tange zagh iron mine was characterized by gravity and magnetic separation methods The mineralogical studies showed that hematite and goethite are the main iron bearing minerals with insignificant amounts of FeO The results indicated that spiral separation yields higher separation efficiency than others The combination of spiral and
The removal of iron ore slimes using hydrociclones was introduced with the USBM process Clemmer 1947 Investigations carried out by Lima et al 2012 for different iron ores from the Iron
The Tilden mine operation Cleveland Cliffs Company employed cationic flotation as part of their iron ore beneficiation process [7] Many researchers [61][62] [63] have proposed that silica and
Characterization and flotation studies were carried out on a slime sample from a low grade iron ore belongs to Gua mines of SAIL with a view to develop flotation based process for its up gradation
main iron ore deposits in India occur in the eastern central and southern parts for example Jharkhand Orissa Karnataka Chhattisgarh and Goa Generation of iron ore slimes in India is estimated to be 10 25% by weight of the total iron ore mined [1 4] The iron ore values are lost to the tune of 15
Iron ore fines contain so called slimes that act negatively on particle beneficiation due to elevated viscosity leading to contamination of the final product poor dewatering and inferior materials handling Cyclones provide a low cost solution to removing the slimes while also concentrating the coarser particles The reality however is that there is significant misplacement of slimes
The specific gravity of iron ore is higher than its gangue The specific gravity of common iron ores are given with iron percentage in it 2010 Optimization studies o Hydrocyclone for beneficiation o Iron ore slimes Mineral Processing and Extractive Metallurgy Review Issue 2 pp 86 96 Das B Mohapatra B K Reddy P S R and
Fig Washing and gravity separation process 10 Fig Proposal of methods for beneficiation of iron ore slimes 5 LITERATURE REVIEW CHAPTER 2 6 2 LITERATURE REVIEW Main types of iron ores Most prominent ore found in India are mainly hematite and magnetite Among these
A typical high alumina containing iron ore slime from the eastern Indian sector containing % Fe % SiO2 % Al2O3 and % LOI have been evaluated to find out whether grinding of the
It was interesting to find that inspite of the complex mineralogy of iron ore beneficiation results using gravity separation like multi gravity separator MGS particularly in finer size ranges was encouraging Pradip 2003 Processing of alumina rich Indian iron ore slimes published in Minerals Processing and Engineering Edi
Beneficiation of alumina rich iron ore slimes is a major challenge for the Indian iron ore industry Considering the limits of gravity and magnetic separation processes in the relatively finer
The particle size of − 150 micron iron ore slimes is beneficiated using a multi gravity separator and improves Fe from to % along with decreasing the alumina from to % The ultrafine iron ore tailings with less than 45 microns with lower Fe less than 45% have not been researched using gravity or flotation
Utilizing the low and lean grade iron ore through the beneficiation process is vital to meet the production requirements [1 2] The amount and kind of gangue found in the ore body typically determine how iron ores are processed The gravity and magnetic separation processes are the most frequently utilized beneficiation procedures for iron
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