Evaluation of iron ore tailings as replacement for fine …
Evaluation of the Iron Ore Tailings from Itakpe in Nigeria as Concrete Material. 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 iron ore tailings characteristics and iron ore
The scenario analysis for the Brazilian IOT production and construction industry indicates that the usage of IOT as a substitution for raw materials could reduce in up to 60% the volume of IOT designated to dams, while following the limitations of the standard for the replacement rates on construction materials. ... Iron ore tailings (IOTs ...
Effect of Iron Ore Tailing on the Properties of Concrete
Table 2 Chemical Composition of Itakpe Iron Ore tailing (IOT) Mineral Fe 2 O 3 SiO 2 CaO Al 2 O 3 MgO TiO 2 Composition (%) 47.70 45.64 0.607 3.26 0.393 0.240
Cement modification of tropical black clay using iron ore tailings …
Molybdenum tailings (MT) are inevitable industrial byproducts of raw ore refining [13] and are considered to be one of the main pollution sources causing environmental degradation [14,15]. It was ...
(PDF) Characterisation of Tailings from Itakpe Iron …
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 include;...
(PDF) Characterisation of Tailings from Itakpe Iron Ore Mine, Itakpe …
Knowledge of tailings characteristics is required for utilisation and management purposes in the mining and construction industry. Tailings from the mine waste dumps at Itakpe iron ore mine were collected and analysed in the laboratory to determine
Characterisation of Tailings from Itakpe Iron Ore Mine, …
waste generated during iron ore beneficiation [2]. Tailings are the products remaining after the extraction of metals by physical and c hemical methods. At the Itakpe iron ore mine, the tailings ...
Predicting the Concentration Characteristics of Itakpe …
between ore grades and concentration characteristics of Itakpe Iron ore. The Wilcoxon signed rank test has been used to establish a significant level of correspondence between actual values
chemical analysis of itakpe iron ore tailings
Therefore, the crude sample of Itakpe Iron Ore dumped tailings is a haematite rich mineral and has been found to be coarsely packed and . Charlar en Línea; The Study on the Reducibility of Itakpe Iron Ore Lumps. Chemical analysis of Itakpe:Table 1 shows the analytical results of the Itakpe iron ore chemical compositions.
Some Physical Properties Itakpe Iron Ore Tailings
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 …
Mechanical and chemical analysis of one-part
Three different iron ore tailings (IOT), obtained from flotation processes from three mines located at the Quadrilátero Ferrífero province, in Minas Gerais state, Brazil, were employed as fillers to produce geopolymer cement pastes. All materials were used in solid form. ... mainly based on their mechanical performance and chemical analysis ...
CHEMICAL AND MINERALOGICAL CHARACTERIZATION …
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 …
Using Iron Ore Tailings from Tailing Dams as Road Material
The iron ore tailings were characterized according to their chemical, mineralogical, environmental, and physical properties. Subsequently, the tailings were chemically stabilized using cement, lime, or steelmaking slag as binder. The tailing-cement, tailing-lime, and tailing-slag mixtures studied consisted of 1, 2, 5, and 10% binder …
CHEMICAL AND MINERALOGICAL CHARACTERIZATION OF ITAKPE IRON ORE MINE WASTES (TAILINGS
PDF | Samples of Itakpe Iron Ore waste dump (tailings) were collected using random sampling method from different locations at the tailings dump sites... | …
chemical analysis of itakpe iron ore tailings
chemical analysis of itakpe iron ore tailings. Gulin supply Mining and construction equipment for mineral handling. The crushing, screening, washing, grinding equipment in stationary, portable, tracked type is available. ... iron ore project lies on the Precambrian Congo Craton of West Africa. Iron is hosted within highly weathered iron-rich ...
The Behavior of Itakpe Iron-Ore Tailings in One
The specific gravity (Gs) of iron ore tailings was measured following ASTM (2002a) standard, giving the value of 2.99 The initial water content of the test is measured before application of loads ...
chemical analysis of itakpe iron ore tailings
(PDF) Concentration of Itakpe Iron Ore Chima . Chemical analysis was also carried out on the concentrates and tailings obtained, to determine their percentage iron content Froth Flotation10 ml sodium silicate, 200 ml water, 10 ml starch solution and 200 g ore sample were ground in the rod mill for 30 minutes The ground product was totally fed into the …
Evaluation of iron ore tailings as replacement for fine aggregate in
Concrete containing iron ore tailings (IOT) enhances compressive and splitting strengths. ... Table 1 shows the chemical composition of IOT. ... Evaluation of the iron ore tailings from Itakpe in Nigeria as concrete material. Adv. Mater., 3 (4) (2014), p. 27. CrossRef Google Scholar [13] S.K. Das, S. Kumar, P. Ramachandrarao.
Minerals | Free Full-Text | Recovering Iron from Iron Ore Tailings …
Iron ore tailings (IOTs) are a form of solid waste produced during the beneficiation process of iron ore concentrate. In this paper, iron recovery from IOTs was studied at different points during a process involving pre-concentration followed by direct reduction and magnetic separation. Then, slag-tailing concrete composite admixtures …
The Behavior of Itakpe Iron-Ore Tailings in One
between t he present iron ore tailings and p reviously published d ata on iron ore tailings and other geo-materials. The co mpression curves d o not conv erge to a unique line and this is an i ...
An evaluation of iron ore tailings characteristics and iron ore
Innovative methodology for comprehensive utilization of iron ore tailings Part 2: The residues after iron recovery from iron ore tailings to prepare cementitious material J. Hazard. Mater., 174 ( 2010 ), pp. 78 - 83, 10.1016/j.jhazmat.2009.09.019
(PDF) Iron Ore Tailings as Partial Replacement for Fine …
SEM analysis of the of sand with IOT is 25%. morphology of iron tailings powder revealed that after [37] carried out an experimental study on iron mechanical grinding, there are many small particles as ore tailings and bottom ash as fine aggregates in well as some coarse particles with irregular shapes.
A critical review on metallurgical recovery of iron from iron ore tailings
Fig. 2 illustrates the iron ore beneficiation process, particularly magnetic separation, resulting in the generation of inevitable tailings. Due to the characteristics of iron ores and the conditions during beneficiation, it is inevitable that approximately 2.5–3 tons of IOTs are generated for every 1 ton of iron ore concentrate produced [7].In 2019, the global annual …
Evaluation of the iron ore tailings from Itakpe in …
Sieve Analysis of the Fine Aggregate and IOT BS Sieve Sizes Percentage Passing (%) Fine Aggregate Iron Ore Tailings 2.36 mm 1.18 mm 425µm 212 µm 150 µm 106 µm 75 µm 63 µm Pan 99.7 89.12 59.12 17.30 - 1.07 0.42 0.17 - - - 99.9 83.8 73.3 66.5 12.4 0.00 The iron ore tailing (IOT) used for this work was sourced
Characterisation of Tailings from Itakpe Iron Ore Mine, …
Waste ro cks at the Itakpe iron ore m ine are associated rock mined during the exploitation of the deposit, while the tailings are waste generated during iron ore beneficiation [2]. Tailings are the products remaining after the extraction of metals by physical and c hemical methods. At the Itakpe iron ore mine, the tailings are
(PDF) CHEMICAL AND MINERALOGICAL CHARACTERIZATION OF ITAKPE IRON ORE …
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
Characterisation of Tailings from Itakpe Iron Ore Mine, …
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 …
[PDF] Characterisation of Tailings from Itakpe Iron Ore Mine, …
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 …
CHEMICAL AND MINERALOGICAL CHARACTERIZATION …
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 ...