The company's operation in iron-ore exploration project is currently within two project sites of Kogi and Nasarawa State. The Kogi site is located on Koton Karfe plateau consisting of Olitic iron ore deposit and the …

Factors Affecting Dephosphorization of Agbaja Iron Ore (Kogi State), Nigeria (pp 538-546) S. M. O. Obiorah*1, E. E. Nnuka1, ... 2.2 Determination of iron and phosphorus phase

Nigeria's iron ore exploration dated as far back as the 1970s when viable quantities were discovered at Itakpe, Kogi State with an estimated reserve of 200 million tonnes [1].

low grade iron ore deposit. There is also phosphorus element present at 1.8 %. The presence of phosphorus in the ore makes it unique when compared to other iron ore deposits found in Nigeria.The mesh of grind was found to be 875 µm and the liberation size was established to be less

Nigeria – This follows the application to the Nigerian Ministry of Mines & Steel development in December 2016 for two mining licences – to ensure the entire footprint of its Agbaja tenements are covered for the long term.. The mining licences cover 90.7 km 2 and contain the 586 Mt of indicated and inferred resources.. Kogi iron chairman Ian …

The purpose of this research work is to determine the optimal factor combinations for dephosphorization of a Nigerian Agbaja iron deposit –the largest inferred deposit of about 1.250 billion tones. The process parameters used in dephosphorization include concentration, particle size and time dwell. Because of sequential …

The State lies between longitudes 6 0 42′ and 6 0 70′ E and latitudes 7 0 30′ and 7 0 50′ N. It has a landmass of 29,833 square kilometres. The geological setting of Kogi State is unique ...

As obtained iron ore from Agbaja community in Kogi State of Nigeria was crushed and sieved to select 0.50/0.25mm particle size. Bacillus cereus was one of the microorganisms identified after ...

phosphorus suitable for local steel mills, can be produced from the Agbaja ore. The results of these phases of testing and the interpretationand development into a flowsheet suitable for the Agbaja ore are discussed. INTRODUCTION . The Agbaja iron ore project is in the Kogi State, Republic of Nigeria. The Agbaja plateau hosts an

IRON ORE MARKET AND KOGI PRODUCT ... for phosphorus and alumina content. Kogi's long term forecast for these 56% Fe fines are US$73 per tonne FOB Nigeria, and equates to iron ore fines of 58% Fe ...

Iron ore mines acts as an important source of major metals; mainly Fe and Mn, and also contributes for trace metals into the environment (Ratha et al., Yellishettya et al. 2008, Xu et al. 2006.

The investigation into whether or not Bacillus subtilis can remove phosphorus from the Nigerian Agbaja iron ore was carried out with careful monitoring of the population of the removing agent as ...

2018. Ore deposits are sources of raw materials for industries. This paper examines the types of ore deposits in Nigeria. Ores of iron, tin-niobium-tantalum deposits, and precious metals in the Nigerian basement complex are predominantly associated with the metasediments (gneisses and schists). Associated with the older granites and ...

Claim Listing. 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 …

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 ...

Improving The Quality of Nigeria's Agbaja Iron Ore Through Biosorption of Phosphorus Using Aspergillus Niger - written by O. W. Obot, C. N. Anyakwo published on 2013/07/30 download full article with reference data and citations. ... Map of Nigeria showing Kogi State(Source: Map data 2013 Google) ...

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 ...

A microbial fungus -Aspergillus terreus was used to degrade phosphorus in Nigeria's Agbaja iron ore in the laboratory. The ore was first crushed to very tiny particles, screened using Shital test ...

The research found out Aspergillus terreus and Bacillus subtilis have separately and successfully removed phosphorusa deleterious non-metalic inclusion …

Phosphorus Degradation Capability of Aspergillus terreus on Nigeria's Agbaja Iron Ore

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 ...

Characterization of Obajana iron ore deposit, Kogi State, Nigeria was carried out using XRF, XRD, SEM and petrological microscope. The XRF result revealed that the ore …

IRON ORE MARKET AND KOGI PRODUCT ... for phosphorus and alumina content. Kogi's long term forecast for these 56% Fe fines are US$73 per tonne FOB Nigeria, and equates to iron ore fines of 58% Fe ...

New steel supply for Nigeria is on the table. ASX-listed steel-focused mining company Kogi Iron has confirmed the positive capex and opex economics of its Agbaja cast steel project in Nigeria following the conclusion of a review undertaken by Farnborough Engineering Consulting Services (FEC). FEC is an internationally …

The laboratory investigations found out that B. subtilis has the capability to remove phosphorus from the Nigerian Agbaja iron ore, and was the systematic reduction in bacterial cells count in colony forming unit per mililitre, which justified the pH trend observed during the process of cumulative phosphorus removal. The investigation into …

CHARACTERIZATION AND BENEFICIATION OF OBAJANA IRON ORE, KOGI STATE, NIGERIA 1. ... 15 P Phosphorus 0.38 0.36 Table 3: Chemical analysis of the oxide composition Obajana iron ore Chemical Compound Assay (%) SiO 2 24.1 Al 2O 3 1.45 K 2O 11.43 CaO 7.2 TiO 2 4.61 V 2O

The product has a 99.61% iron grade with minimal impurities – 0.00939% carbon, 0.003% manganese, 0.015% silicon, 0.0194% phosphorus and under 0.0632% sulphur. An extensive review of Nigerian and ...

The Agbaja Iron Ore project in Kogi State Nigeria is a unique sedimentary hosted channel iron goethite deposit. The sedimentary ore allows for a simple beneficiation circuit resulting in a low-cost concentrate feed for pre-reduction and smelting to produce steel billets. However, the ore contains high levels of phosphorous (1-2 %) which need to be reduced …

The result of iron ore compositional analysis is presented in Table 1. This result shows a 1.25% P 2 O 5 and 34.77% Al 2 O 3 contents in the AgbajaIJERT iron ore which corroborates the high phosphorus and high alumina status also earlier observed by[15]. Table 1. Nigeria's Agbaja Iron Ore Composition Analysis, (%) Entries %, Content Fe T ...

ABSTRACT. The Agbaja Iron Ore project in Kogi State Nigeria is a unique sedimentary hosted channel iron goethite deposit. The sedimentary ore allows for a simple beneficiation circuit resulting in a low-cost concentrate feed for pre-reduction and smelting to produce …