Percentage Of Phosphorus And Sulphur In Itakpe Iron Ore

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The Itakpe iron ore has tolerable percentage of both sulphur and phosphorous in iron and steel making. The percentage acid gangue should be less than 3.5 %. In this iron ore deposit, …

Iron et al., ore deposits have not been fully explored and exploited in Nigeria and if fully exploited can serve as foreign exchange for the country (Danmola and Abba, 2013). Agbado Okudu iron ore deposit has been worked on by Agava (2006). Who reported that the iron ore contained, on the average, total iron content of 38.82% and mineralogical

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.

At Okene, Kogi State, only 250 million tons of low-grade iron ore (35%Fe cf. 65%Fe in Guinea & Brazil) have been proven at Itakpe and Ajabonoko deposits, whereas only 500 million tons are indicated at Agbaja (Kogi mine) ironstones considered of very poor quality because of deleterious admixtures of phosphorus and alumina which are very ...

National Iron ore Mining Company at Itakpe, two liquid steel producing plants at Ajaokuta and Aladja-Warri, ... areas which they found to be high in phosphorus and sulfur which are deleterious to ...

At present, Nigeria has some large iron ore deposits including AGBAJA which bear tremendous iron ore with high sulphur content of 0.12%. Central composite design technique was applied to obtain ...

Keywords High-phosphorus iron ore · Characterization · Beneciation · Phosphorus removal 1 Introduction Iron ore is the essential raw material from which metallic iron is extracted. The Fe content in the ore should be at least 25 wt% so that it can be used for steel production. Never-theless, iron ore with an Fe content of less than 25% can be

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 …

The upgrade of iron content in the ore to 68.54% and the drastic reduction in phosphorous and sulphur contents has thus rendered the Koton Karfe iron ore suitable for use as a super concentrate ...

The Itakpe iron ore has tolerable percentage of both sulphur and phosphorous in iron and steel making. The percentage acid gangue should be less than 3.5 %. In this iron ore deposit, materials deleterious to iron and steel production (such as sulphur, phosphorous and non-ferrous metals) are absent from the mineral matrix. The particle size of ...

—Although the ore containedra high percentage of phosphorus, 0.124 per cent., no difficulty was experienced in keeping the percentage in the metal low. ... The Domnarfvet …

Australia's iron ore industry is undergoing a major transformation. Reserves of traditional high-grade ores are becoming depleted while the replacement ore types are lower in grade and sometimes require beneficiation to remove or minimise contaminants such as alumina, silica and phosphorus (Dukino et al., 2000).The phosphorus content of Australian iron ores is a …

Itakpe iron ore deposits in Ajaokuta, Kogi State, Nigeria, is where such ... CHEMICAL CONTENT PERCENTAGE Iron content 15 ... Sulphur 0.8 Phosphorus 1.0 Source: Fortune magazine, 2009 Ullas et al., (2010) carried out experimental studies on masonry units made of Iron ore tailings in compressed to 6 parts of sand). The sand portion was mixed with ...

In this study, a combination of alkali roasting and hydrothermal treatment is used as a method of gangue (Si, Al, and P) removal from iron ores as a means to upgrade low-grade iron ore (limonite ...

The current study was focused on the removal of sulfur from iron ore concentrate using chemical leaching technique. Magnetite iron ore concentrate was chosen for this purpose. ... After optimizing the experimental conditions, it was demonstrated that in addition to sulfur, more than 80% of phosphorus, another important impurity, was also ...

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 …

Optical microscopy results from a polished cross section of the ore (Fig. 1) show the oolitic structure of the ore, composed of lighter spherical grains in concentric layers embedded in a darker matrix. The presentation of the ore is consistent with the structure of oolitic ores.

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 ...

This research investigated the sintering characteristics of sinter blends produced from Agbaja iron ore concentrate of high phosphorus P2O5 1.50 2.14 and low silica content and Itakpe iron ore concentrate of low phosphorus P 0.03 and high silica in order to produce fluxed sinters suitable for pig iron production.

and figures 15 and 16 show the degree of reduction (%) of produced pellets in Itakpe and Agbaja iron ore as a function of furnace holding time for the reduction of produced pellets of Itakpe iron ...

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 ...

The highest reducibility value of the resultant pellet for the Itakpe iron ore value was 99.7% with the corresponding temperature at 1000 o C and time rate of 120mins, while the highest ...

The percentage loss ... The Itakpe iron ore concentrate has phosphorus in traces while the Agbaja iron ore contains some amount of phosphorus. Chemical analysis of Itakpe and Agbaja Iron ore

Itakpe iron ore deposits in Ajaokuta, Kogi State, Nigeria, is where such mining activities are going on, and has a total estimated reserve of about 182.5 million metric tonnes. ..., silicon and manganese. Page 75 Other reactions The …

the National Iron Ore Mining Company (NIOMCO), Itakpe, 60 km by rail from Ajaokuta Steel Company; as one of its primary raw materials. Additionally, NIOMCO will supply iron ore concentrate (super concentrate) to the Delta steel company, Aladja, Delta state. Iron ores are available in commercial quantities in Anambra and Edo states. However, the ...

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 ...

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The following are the average percentage elemental composition of the Itakpehaqematite as evaluated and include: Fe (29.55%), Si (24.68%) Zr (0.33%) Ti (0.19%), Zn (0.02%, Ca (0.04%), Cr (0.05%)...

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 ... 14.91%Ti, 8.36% Zr, 12.99% Al, and 45.68% Si. The percentage compositions of the cassiterite ...