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phosphorus iron ore Nigeria

Phosphorus Degradation Capability of Aspergillus terreus

2013-12-24  for selective removal of alumina [11]. Earlier on A. niger isolated from Nigeria’s Agbaja iron ore was used to mobilize phosphorus from the same ore and in 49 days of leaching, 81%, 63% and 68% efficiencies for Mesh 5, Mesh 100 and Mesh 250 grain sizes, respectively were achieved [12].

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the phosphorous issue at the Agbaja iron ore project in

2019-7-22  • Successfully demonstrated pre‐reduction of ore and smelting to produce pig iron with 98% Fe is achievable • Phosphorus and carbon predominantly reported to alloy during smelting and constituted the major impurities in the crude pig iron

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Phosphorus Removal Capability of Aspergillus Terreus

2013-12-24  Earlier on A. niger isolated from Nigeria’s Agbaja iron ore was used to mobilize phosphorus from the same ore and in 49 days of leaching, 81%, 63% and 68% efficiencies for Mesh 5, Mesh 100 and Mesh 250 grain sizes, respectively were achieved [11]. In this , a microbial leaching approach has been adopted for

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Laboratory Studies on Phosphorus Removal from Nigeria

2013-12-24  The iron ore, Plate 2.1, was collected from Agbaja, an indigenous community near Lokoja, Kogi State of Nigeria. Standard wares, heavy equipment, chemicals and disposables used in the phosphorus removal process were sourced locally. Plate 2.1 Agbaja iron ore 1kg of the iron ore was manually crushed in the oratory using hammer and anvil to

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Iron ore - Wikipedia

  

2019-10-12  Increasing iron ore demand, coupled with the depletion of high-grade hematite ores in the United States, after World War II led to development of lower-grade iron ore sources, principally the utilization of magnetite and taconite. Iron-ore mining methods vary by the type of ore being mined.

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Comparative Phosphorus Removal Capabilities of

Author: Obotowo William Obot, Charles Nwachukwu Anyakwo

Comparative Assessment of Phosphorus Removal from

2013-7-31  Comparative assessment of phosphorus removal from Nigeria’s agbaja iron ore using potassium chlorate and sodium hydroxide. American Journal of Research Communication, 2013, 1(8): 43-52} usa-journals, ISSN: 2325-4076. INTRODUCTION . The need for a drastic reduction in the concentrations of phosphorus present in iron ore as a way of

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Laboratory Studies on Phosphorus Removal from

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Overcoming the phosphorous issue at the Agbaja iron ore

2019-10-10  The Agbaja Iron Ore project in Kogi State Nigeria is a unique sedimentary hosted channel iron geothite 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

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Phosphorus Degradation Capability of Aspergillus

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

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Iron ore - Wikipedia

  

2019-11-11  Increasing iron ore demand, coupled with the depletion of high-grade hematite ores in the United States, after World War II led to development of lower-grade iron ore sources, principally the utilization of magnetite and taconite. Iron-ore mining methods vary by the type of ore being mined.

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Improving The Quality Of Nigeria s Agbaja Iron Ore

2019-7-1  Improving The Quality Of Nigeria’s Agbaja Iron Ore Through Biosorption Of Phosphorus Using Aspergillus Niger By O. W. Obot Department of Mechanical Engineering, Faculty of Engineering, University of Uyo, Uyo, Nigeria.

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Laboratory Studies on Phosphorus Removal from

Laboratory Studies on Phosphorus Removal from Nigeria's Agbaja Iron Ore by Bacillus Subtilis. isolated from Nigeria’s Agbaja iron ore was used to mobilize phosphorus from the same ore .

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Recovery of iron from high phosphorus oolitic iron ore using

Oolitic iron ore is one of the most important iron resources. This reports the recovery of iron from high phosphorus oolitic iron ore using coal-based reduction and magnetic separation. The influences of reduction temperature, reduction time, C/O mole ratio, and

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Laboratory Studies on Phosphorus Removal from

2011-7-9  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 well as pH of the system. 1.00mm/0.50mm, 0.50mm/0.25mm, and 0.25mm/0.125mm ore fractions obtained from sieving of the crushed iron ore in Shital Test kits, were used in sub-merged culture of

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Engineering Economy Analysis on the Production of

In line with the Federal government decision to attract direct foreign investment to the solid mineral sector and to further diversify the Nigerian economy; this study used the discounted cash flow micro-economic as-sessment to evaluate large-scale iron ore production in Nigeria.

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Model for predicting the concentration of phosphorus

2014-9-26  filtrates for removing phosphorus from Agbaja (Nigeria) iron oxide ore. The results of this (Anyakwo and Obot,2008) show that phosphorus removal efficiencies at the end of the 49 days of the leaching process are 81, 63 and 68% for 5, 100 and 250 mesh grain sizes respectively. An attempt has been made in the past (Nwoye,2003)

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Factorial Analysis of Phosphorus Removal during

2014-11-30  bioprocessing of iron oxide ore using acidithiobacillus ferrooxidans. The essenceof this is to ascertain the level of dephosphorization achievable at different iron ore particle sizes where all other input process parameters are kept constant. MATERIALS AND METHODS . Agbaja (Nigeria) iron ore concentrate used for this

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Predictability of Phosphorus Removal Based on

2016-10-29  ore and associated finished products such as iron and steel have led to punitive legislation across the world aimed at discouraging importation of iron ores with high phosphorus content. In addition, the development of an economical dephosphorisation process is critical for the future success of iron ore, iron and steel making industry.

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Phosphorus Removal Capability of Aspergillus Terreus

2010-12-12  Comparative phosphorus removal capability of a microbial fungus-Aspergillus terreus and a bacterium-Bacillus subtilis from Nigeria’s Agbaja iron ore was investigated. Manual crushing and sieving of the iron ore in Shital Test Kits produced 5 grain size distributions namely: ≥1.0mm, 1.0mm/0.50mm, 0.50mm/0.25mm, 0.25mm/0.125mm, 0.125mm/0.00mm, from which the first and last grain sizes were

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Predictability of Phosphorus Removal Based on

2017-8-19  This presents the predictability of phosphorus removal based on simultaneously removed sulphur and mass-input of iron ore leached in potassium hydroxide. The reaction vessel containing the solution and ore was heated at a temperature of 600°C for 10minutes. The model; P = 61.8477 x 10 -3 μ - 2.27S shows that the predicted concentration of removed phosphorus, is

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Model for predicting the concentration of phosphorus

2014-9-26  filtrates for removing phosphorus from Agbaja (Nigeria) iron oxide ore. The results of this (Anyakwo and Obot,2008) show that phosphorus removal efficiencies at the end of the 49 days of the leaching process are 81, 63 and 68% for 5, 100 and 250 mesh grain sizes respectively. An attempt has been made in the past (Nwoye,2003)

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Producing Iron Ore, Phosphate Locally Leadership

2019-5-25  Iron ore is the raw material used to make pig iron, which is one of the main raw materials used to make steel. In fact, it is on record that about 98% of the mined iron ore is used to make steel.

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Predictability of Removed Phosphorus Concentration

2014-7-2  were used for removing phosphorus from Agbaja (Nigeria) iron oxide ore. The results of this [9] show . Predictability of Removed Phosphorus Concentration during Microbial Leaching of Iron Oxide Ore iosrjournals 20 Page that phosphorus removal efficiencies at the end of the 49 days of the leaching process are 81, 63 and 68% for 5,

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Mineralogy, geochemistry and the origin of high

Mineralogy, geochemistry and the origin of high-phosphorus oolitic iron ores of Aswan, Egypt The Coniacian-Santonian high-phosphorus oolitic iron ore at Aswan area is one of the major iron ore deposits in Egypt. However, there are no reports on its geochemistry, which includes trace and rare earth elements evaluation. and Nigeria (Mucke

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Nigeria Mining Week, 14-16 October 2019, Abuja,

1. Symbol Mining/Goidal Resources operating in the North East, currently mines lead zinc ore with a grading of 22% Zn (zinc) compared to the global average of 6%Zn (zinc). 2. Kogi Iron recently developed a process route that can produce viable iron ore concentrate from their high phosphorus iron ore deposit for the production of high-quality

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phosphorus iron ore china - ofspescaracolli

what is the phosphorus in iron ore . phosphorus iron ore china - . This presents the predictability of phosphorus removal based on simultaneously removed sulphur and mass-input of iron ore leached in potassium hydroxide. phosphorus iron ore china - .

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Solid State Desulphurization of Iron Ore and Empirical

2013-8-4  their cultural filtrates were used for removing phosphorus from Agbaja (Nigeria) iron oxide ore. The results of this [2] show that phosphorus removal efficiencies at the end of the 49 days of the leaching process are 81, 63 and 68% for 5, 100 and 250 mesh grain sizes respectively. Experimental and model-aided analysis of hydrometallurgy

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phosphorus removal from agbaja iron ore «

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Emerging iron ore producer Kogi Iron supplies

2017-9-18  The Agbaja mineral resource was a unique sedimentary hosted magnetite deposit with a resource grade averaging 41.3% iron. ASX-listed Kogi Iron is focusing exclusively on the advancement of its Agbaja iron ore project in Nigeria’s Kogi state which it has advanced over the last seven years. The

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phosphorus removal from agbaja iron ore «

4.6/5

Emerging iron ore producer Kogi Iron supplies

2017-9-18  The Agbaja mineral resource was a unique sedimentary hosted magnetite deposit with a resource grade averaging 41.3% iron. ASX-listed Kogi Iron is focusing exclusively on the advancement of its Agbaja iron ore project in Nigeria’s Kogi state which it has advanced over the last seven years. The

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Iron Ore - businessadvisorynet

In Nigeria there are over 3billion tons of iron ore found in various states like Kogi, Enugu, Niger, Zamfara, and Kaduna States. PRODUCTION AND CONSUMPTION. Iron is the world’s most commonly used metal steel, of which iron ore is the key ingredient, representing almost 95% of all metal used per year.

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Solid State Desulphurization of Iron Ore and Empirical

2015-9-7  results on the use of Aspergillus niger and their cultural filtrates for removing phosphorus from Agbaja (Nigeria) iron oxide ore. Results of the investigation show that phosphorus removal efficiencies at the end of the 49 days of the leaching process are 81, 63 and 68% for 5,

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Solid State Desulphurization of Iron Ore and Empirical

2014-11-30  oxide ore and also predicting removed phosphorus concentrations using empirical models. A model was derived for predictive analysis of the concentration of phosphorus removed during leaching of iron oxide ore in sulphuric acid solution [6]. The indicated that phosphorus removal from the iron oxide ore as obtained from experiment and

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Phosphorite - Wikipedia

2019-10-22  Phosphorite, phosphate rock or rock phosphate is a non-detrital sedimentary rock which contains high amounts of phosphate minerals.The phosphate content of phosphorite (or grade of phosphate rock) varies greatly, from 4% to 20% phosphorus pentoxide (P 2 O 5).Marketed phosphate rock is enriched ("beneficiated") to at least 28%, often more than 30% P 2 O 5.This occurs through

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Empirical Analysis of Iron Extraction Based on

2016-9-9  Leaching Time of Iron Ore in Hydrogen Peroxide Solution T. O. Chime. Department of Chemical Engineering, Enugu State University of Science Technology, Enugu, Nigeria ABSTRACT Empirical analysis of iron extraction was carried out based on removed phosphorus concentration and leaching time of iron ore in hydrogen peroxide. A model was derived

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penalty rate phosphorus in iron ore - magazene

More than 80% of Western Australian iron ore contains an average of 015% phosphorus, and attracts a penalty due to its high level of phosphorus when it is exported At the current rate of mining, identified premium grade iron ore with low phosphorus content (005%) will be depleted in 30 yearsGet Info

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phosphorous removal from iron ore in solid state

phosphorus removal by gravity separation in iron ore. phosphorous removal from iron ore in solid state Combined with the data of the phosphorus content in bioleaching solid residue, the removal percentage of phosphorus, the percentage of ore solid dissolved and the percentage of iron lost, it was concluded that the optimal ore solid concentration for selective removal of phosphorus from high

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Characterization studies on Agbaja iron ore: a high

2019-4-16  Vol.:(0123456789) SN Applied Sciences (2019) 1:204 https://doi/10.1007/s42452-019-0218-9 Research Article Characterization studies on Agbaja iron ore: a high

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