This paper re-examines the Itakpe iron ore deposit using geostatistics and artificial neural network techniques. Set of exploration information on the depo ... using geostatistical method: a case study anomaly no. 12a iron deposit in central Iran. J Geol Soc India 81:581–585. Article Google Scholar Nezamolhosseini SA, Mojtahedzadeh SH ...
Abstract: - The fundamental aim of this project was aimed to verify the processes of block moulding using iron ore tailings, sand, cement and water to compare the compressive strength …
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It was possible to beneficiate a low-grade iron ore fines sample from Bellary-Hospet, Karnataka, India assaying 56% Fe, 9.1% SiO 2 and 5.2% Al 2 O 3 and produce two …
China generates 1.5 tons of iron ore tailings for each ton of iron ore concentrate.21,22 In this country, the annual production of iron ore tailings reaches about 180 million tons and is increasing.23 In India, between 10-12 million tons of iron ore tailings are extracted in the form of ultrafine waste.24 In Australia, it is estimated that ...
concentration characteristics of an ore. ©JASEM Itakpe iron ore deposit is a magnetite-hematite mineralization consisting of 14 ore layers of economic value ranging in grade predominantly from 14%Fe to 41%Fe with an overall average grade of 36%Fe(NIOMC Project Report; 1980, Vol. 2). It is located in Latitude 07 °36'20"N and Longitude
Heavy metals pollution potential in National Iron Ore Mining Company, Itakpewas investigated. Two mining sites located at the east mining pits such as M3O, which is 370m above sea level and M2O ...
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The highest reducibility value of the resultant pellet for the Itakpe iron ore value was 99.7% with corresponding temperature at 1000 o C and time rate of 120mins, while the highest reducibility ...
Two iron ore samples from Nigeria have been examined using TG, DTA, EGA, XRD, and optical and electron microscopy. Itakpe iron ore is hematite-rich, this mineral being intergrown with magnetite, and silica is the major impurity. Agbaja ore is an acidic oölite ore consisting of goethite and magnetite, with alumina, silica and phosphorus as ...
Production of Iron ore in India is carried out in different grades as lumps (high, low grades), fines (high and low grades), beneficial grade of Hematite and metallurgical, coal washery of Magnetite
Itakpe Iron Ore Mine was divided into four benches; 241 - 258 m, 263 - 275 m, 276 - 286 m and 308 - 312 m. Joints along the discontinuities were mapped. The data obtained were analyzed using ...
Information obtained from the processing plant and results of compositional analysis carried out on samples of the tailing material showed that the present flowsheet (simplified in Figure-5) …
Similar iron stones have been found as caps of varying dimensions on some Cretaceous successions of the Illumeden and Niger embayments notably around Koton karfe and Bida basin. The Lokoja- Okene Iron Ore deposit (Central Nigeria) The most notable iron ore occurrence in this region include Itakpe,Ajabanoko,Ochokochko,T ajimi,Agbado-Okudu, Ebiya,
The Itakpe iron ore deposit is located about 16 km northeast of Okene town in Kogi state and is reported to form a series of iron-bearing quartzites ridge in that area.
This paper re-examines the Itakpe iron ore deposit using geostatistics and artificial neural network techniques and develops ordinary kriging (OK) model that produced ...
It was reported that iron ore is one of the most common metallic minerals in Nigeria and is found in various locations in the north-western, north-central, south-western, and south-eastern parts ...
The Global Infrastructure Holding Ltd. (GIHL) took over the National Iron Ore Mining Company (NIOMCO), Itakpe, Kogi State, in 2016, and got its agreement terminated in 2019 due to non-performance.
Thus, it was established that Itakpe iron ore is best processed using PAX at pH 11 and particle size of 125 µm yielding concentrates assaying 67.66% Fe2O3 at a recovery of ~90% while for Agbaja ...
The Itakpe iron ore deposit, situated along the Okene-Lokoja area, is reported to be the purest and most prominent iron ore [22,23], interbedded within the Migmatite Gneiss Complex of the Precambrian Basement Rocks. ... Schematic diagram showing the data processing flow chart in this study. 2.1.1. First vertical derivative (1VD)
Iron ore quality in India is deteriorating due to continual increase in consumption of good grade ores. It is imperative to use low grade iron ores to meet the current demand. In the Jharkhand …
India's Iron Ore: Main types: Hematite and Magnetite. Most mines are near coal fields in the northeastern plateau region. states: Odisha, Jharkhand, Chhattisgarh, Karnataka, …
ore grade and recovery at Itakpe, using historic concentration characteristics of Itakpe ores. MATERIALS AND METHOD The approach in predicting the cut – off grade of Itakpe deposit is …
A coarser particle will have a reduced chance of passing through the jig screen and thereby will report to the overflow as tailings (Mohanty, et al 2002). CONCLUSION The results of this project work have clearly shown that …
The Itakpe iron-ore deposit is localized within the gneiss-migmatite quartzite unit (Akinrisola and Adekeye, 1993). Figure 2 shows the Geological map of the Itakpe iron ore deposit. Figure 3 shows a sample of Itakpe iron ore. Figure 2: Geological Map of …
Itakpe iron ore was enriched from 36.18% Fe2O3 to 67.84% Fe2O3 while Agbaja's assay rose to a maxima value of 61.63% Fe2O3. At 63 m, it is evident that the % recovery of Itakpe iron ore decreases sharply as the pH value varies from 9 to 10, and then slightly decreases at pH 11.
ore with high percentage of fine mineral components. The Itakpe iron ore deposit in Nigeria which has a total estimated reserve of about 182.5 million metric tonnes consists mainly of quartzite with magnetite and hematite (Soframines, 1987). The deposit has been developed to supply iron ore concentrates to Ajaokuta
The National Iron Ore Mining Company (NIOMCO) Itakpe is a Parastatal under the supervision of the Federal Ministry of Mines and Steel Development in Nigeria The FGN by Decree No. 19 of April 1971, established the Nigeria Steel Development Authority (NSDA) to plan, operate and maintain Iron Ore Steel plants in the country as well as to carry out ...
The Itakpe Iron Ore Mine was divided into four benches; 241 - 258 m, 263 - 275 m, 276 - 286 m and 308 - 312 m. Joints along the discontinuities were mapped. The data obtained were analyzed using ...
Itakpe iron ore deposit and other techno-economic parameters as updated by Brian (2021). In the analysis below, 150USD was adopted as the price per ton of concentrate as against the current price ...
of Radiological Impacts due to Natural Radioactivity Around Itakpe Iron-Ore Mines O. M. Isinkaye*, S. Adeleke and D. A. Isah Department of Physics, Ekiti State University, P.M.B. 5363, Ado Ekiti, Nigeria Received: 08 January 2018 / Accepted: 12 April 2018 / Published online: 3 May 2018 Metrology Society of India 2018
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The National Iron Ore Mining Company Ltd, Itakpe, Kogi state Nigeria, operates two pits: the East Pit and West Pit. While exploitation work is currently going on the East pit, the process has ...
Core samples of the iron ore sourced from Itakpe, Kogi State, Nigeria … Expand. PDF. 1 Excerpt; Save. 22 References. Citation Type. Has PDF. Author. More Filters. More Filters. Filters ... India, was studied. The work involved separating the gangue minerals viz. quartz and … Expand. 51. Save.
The resulting material has a self-cementing tendency, and the finely ground portion may be added to cement to produce a Equatorial Journal of Engineering (2018) Conclusion The results obtained from this work showed that with careful design, it is possible to design a production process that will produce 1.5MT of steel from Itakpe iron ore since ...
In 1979, Nigeria had initiated construction of the iron and steel projects which by 1985 were over 90% complete, including the National Iron ore Mining Company at Itakpe, two liquid steel ...
Concentration of Itakpe Iron Ore ... Semicommercial scale studies using flotation column and dual extraction column on iron ores of Goa, India. Danda Rao, Prabhakar Swarna. download Download free PDF View PDF chevron_right. …
The highest reducibility value of the resultant pellet for the Itakpe iron ore value was 99.7% with corresponding temperature at 1000 o C and time rate of 120mins, while the highest reducibility ...
Itakpe iron ore deposit is a multi-grade ore deposit with ore grades varying from 14.8%Fe to 41%Fe in the 25 ore layers. At the point of design of the mine, several low grade ores were deposited ...