TABLE 1: Chemical Composition of Itakpe Iron Ore Mineral Fe2O3 Fe3O4 SiO2 CaO Al2O3 MgO TiO2 ... iron ore concentrate (underflow) was effectively separated from the tailings (overflow), Fig. 1 SIZE ANALYSIS GRAPH FOR THE ORE 0 20 40 60 80 100 120-1000 0 1000 2000 3000 4000 500 Sieve size (mm)
Tailings from the mine waste dumps at Itakpe iron ore mine were collected and analysed in the laboratory to determine their chemical and physical characteristics and these …
Samples of Itakpe Iron Ore waste dump (tailings) were collected using random sampling method from different locations at the tailings dump sites of National Iron Ore Mining Company …
Billions of tons of mine tailings are generated annually from extracting and processing of metal and mineral ores, 1, 2, 3 stockpiled in about 4,800 mine tailings storage facilities (TSFs), 4 occupying >240,000 ha of land worldwide. 4 Iron (Fe) ore tailings are one of the most challenging global tailings liability, 5 with over 1.4 billion tons of tailings generated …
Geochemical Evaluation of Itakpe Iron Ore Mine Tailings, ... chemical analyses show that the tailings are weakly acidic and neutral with low organic matter. The energy ... constituting the ore matrix. EDX analysis of the regions within the ore matrix revealed the presence of Si, Fe, Al, K, Ca, Nb, Y, Ag, Zn, Mg, Cl, P, S, Na, Ti, Zr; such that ...
It should be noted that the geo-chemical processes in mine tailings have a great influence on their geo-mechanical behaviors [43,44,45]. However, due to the long-term effects …
Elinwa Augustine Uchechukwu, Mbi Juliana Ezekiel. Evaluation of the Iron Ore Tailings from Itakpe in Nigeria as Concrete Material. Advances in Materials. Vol. 3, No. 4, 2014, pp. 27-32. doi: 10.11648/j.am.20140304.12 Abstract: An evaluation of the Itakpe iron ore tailings (IOT) for concrete production has been carried out using the material
researchers have examined utilization of iron ore tailings as raw material to make value added construction products. The main focus of these studies was on further beneficiation possibilities and utilization of silica present in tailings as raw material in ceramic industry (Ghosh & Sen, 1999; Das et al., 2000).
3.1 Mix proportion of concrete mixes incorporating iron ore tailings. 35 4.1 Chemical Composition of Itakpe Iron Ore Mine Tailings 39 4.2: Specific Gravity Of Gravel 41 4.3 Slump And Compacting Factor Test 41 4.4 Bulk Densities Of Gravel 42 4.5 Compressive Strength Result 43 4.5 Compressive Strength Result At 28 Days 46
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 of the country and more than thirty iron ore deposits have been reported in the country with estimated reserves of over one (1) billion tons of iron ...
The Itakpe iron ore processing plant in Nigeria presently produces a tail sometimes containing up to 22% iron minerals mostly natural fines in the ore and fines produced inevitably during …
The Study on the Reducibility of Itakpe Iron Ore Lumps. The Study on the Reducibility of Itakpe Iron Ore Lumps. Dr. Christopher Nwankwo Mbah. 2020, Research & Development in Material Science. See Full PDF Download PDF.
In order to study the feasibility and sand substitution mechanism of cement mortar mixed with iron ore tailings (IOT), iron ore tailings cement mortars (referred to as IOTC) with IOT content of 0% ...
chemical analysis of itakpe iron ore tailings. machines that extract iron from tailings without chemicals. Waste rock and tailings at the Kiruna Iron Mine containing chemicals used during Enormous machines extract 26 million tons of iron ore from >Get Price; processing / beneficiation / crusher machine supplier. chemical analysis of itakpe iron ore tailings. chemical washing …
1 depicts the oxide composition of Iron ore tailings obtained from some countries of the world as reported by Oritola et al., (2015). Vale et al., (2013), in their study of mineral composition of 19 Iron ore tailings pond, found out that, Iron ore tailings from different origins; do not have the same geotechnical behaviour. Iron ore
Hematite (Fe2O4) to magnetite (Fe3O4) conversion of Fe‑ore tailings In many cases, the Fe-ore tailings are dumped as overburden from the Fe ore mining and production industries due to the high production growth in the Fe and steel industries in Africa. Itakpe Fe ore in Nigeria produces about 36% ore on average from 200 million tons.
and split tensile behavior of concrete with IOT that was sourced from itakpe Kogi state in different proportions with respect to age of concrete. Test on the mechanical properties of ... 2.1 Previous Research on the use of Iron Ore Tailings in Concrete 6 2.2 Composition of Normal Strength Concrete 12 2.2.1 Aggregates 13 2.3 Flexural Strength of ...
Geochemical speciation with quantitative X-ray powder diffraction was used to evaluate the chemical and mineral composition of Itakpe iron ore tailings. The aim is to offer base line data …
on determination of economic liberation and mineralogical characterization of the Itakpe iron ore deposit and to suggest effective processing method for the deposit. 2. Materials and Methods 2.1 Ore sourcing and preparation Iron ore used for this investigation was sourced from Itakpe iron ore deposit on Longitude 6°18'35" E and Latitude
Samples of Itakpe Iron Ore waste dump (tailings) were collected using random sampling method from different locations at the tailings dump sites of National Iron Ore Mining Company
The output of the physical properties, oxide composition and sieve analysis of Itakpe iron ore tailings reveals that it has similar properties which are close in comparison to that of natural sand. This suggest that Itakpe iron ore tailings can be used to partially or fully replace natural sand in concrete, mortar and some other construction ...
Geochemical speciation with quantitative X-ray powder diffraction was used to evaluate the chemical and mineral composition of Itakpe iron ore tailings. The aim is to offer base line data …
An evaluation of the Itakpe iron ore tailings (IOT) for concrete production has been carried out using the material to replace sand and cement, in proportions of 5 % up to 30 …
The iron ore tailings were dried at a temperature of 30 ± 2°C for a minimum of 40 h prior to testing [37,38], while particles of different sizes (see Table 1) were obtained using standard ASTM ...
Iron ore tailings were also used in other concrete applications. For example, Das et al. [13] studied the use of IOT to develop ceramic tiles and their study showed, that tiles produced at a maximum of 40% of IOT were superior in terms of scratch hardness and strength, compared to European standard specifications. In a related research, Yao et al. [14] produced …
Geochemical speciation with quantitative X-ray powder diffraction was used to evaluate the chemical and mineral composition of Itakpe iron ore tailings. The aim is to offer …
CHEMICAL AND MINERALOGICAL CHARACTERIZATION OF ITAKPE IRON ORE MINE WASTES (TAILINGS) Alabi, O.O., Gbadamosi, Y., Olatunji T. A. and Ola-Omole O.O ... the ore matrix. EDX analysis of regions ...
Slope Stability Analysis of Itakpe Iron Ore Mine, Itakpe, Nigeria. 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 ... به خواندن ادامه دهید
IJESC, 2019. Iron Ore Tailings (IOT) are the waste slag resulted from iron ore mines. Large amount of Iron Ore Tailings (IOT) have been generating every year posing serious environmental problems, large production of cement everyday resulting the emission of CO 2 and increase in the consumption of river sand for construction activities making the river beds over …
Iron ore tailings (IOT), as one of the main mining wastes, is produced after multiple crushing and magnetic separation on iron ore [15].In China, stored IOT has reached 5 billion tons and is growing steadily at a rate of over 0.3 billion tons per year, whereas only 20 % of them has been reused [16].IOT that have not been effectively utilized are often stored in …
COMPRESSIVE STRENGTH OF CONCRETE CONTAINING ITAKPE IRON ORE TAILINGS *Isyaku, M. A., Oritola, S.F., Abbas, B. A. Department of Civil Engineering, Federal University of Technology, PMB 65 ... Sieve analysis test (BS 812, 1985), determination of moisture content (BS 812-109, 1990) and specific gravity test (BS 812-2, 1990) ...
The analysis of iron ore tailings from the Itakpe iron ore deposit in Nigeria would typically involve a range of tests to determine various properties and characteristics of the tailings. These tests provide valuable information for understanding the composition and behavior of the tailings, as well as for potential utilization or disposal options.
Main chemical composition obtained by XRF (X-ray uorescence) of dif ferent iron ore tailings (IOT) Main chemical composition / % Mine location Reference Fe 2 O 3 SiO 2 Al 2 O 3 CaO MgO Other compounds
Therefore, the crude sample of Itakpe Iron Ore dumped tailings is a haematite rich mineral and has been found to be coarsely packed and interlocked with magnetite and silica with silica as major impurity. However, easy liberation was facilitated by communition due to the coarsely packed nature of ore matrix.
Elinwa Augustine Uchechukwu, Mbi Juliana Ezekiel. Evaluation of the Iron Ore Tailings from Itakpe in Nigeria as Concrete Material. Advances in Materials. Vol. 3, No. 4, 2014, pp. 27-32. doi: 10.11648/j.am.20140304.12 Abstract: An evaluation of the Itakpe iron ore tailings (IOT) for concrete production has been carried out using the material
Request PDF | On Jan 1, 2014, Elinwa Augustine Uchechukwu published Evaluation of the Iron Ore Tailings from Itakpe in Nigeria as Concrete Material | Find, read and cite all the research you need ...
Samples of Itakpe Iron Ore waste dump (tailings) were collected using random sampling method from different locations at the tailings dump sites of National Iron Ore Mining Company (NIOMCO) in Itakpe, Kogi State, Nigeria and properly homogenized to give the head sample. ... the time taken by the laboratory to generate the chemical analysis is ...
The chemical analyses show that the tailings are weakly acidic and neutral with low organic matter. The energy dispersive x-ray fluorescence spectroscopy analysis of the samples shows that they contain high concentrations of Fe2O3, SiO2, and other trace compounds.
Characterization of the Itakpe iron ore tailings showed that it has pozzolanic properties, and can be used as a retarder for hot-weather concreting, and could be used to predict relationships of IOT-OPC concrete. An evaluation of the Itakpe iron ore tailings (IOT) for concrete production has been carried out using the material to replace sand and cement, in …
The Itakpe iron ore processing plant in Nigeria presently produces a tail sometimes containing up to 22% iron minerals mostly natural fines in the ore and fines produced inevitably during comminution.