leaching of nigerian iron ore i hydrochloric acid

(PDF) Quantitative Leaching of a Nigerian Iron Ore in ...

Besides that, Alafara et al. [8] also studied the leaching kinetic of Nigerian ilmenite ore by HCl acid. In their study, 77% of iron-ore was dissolved within 120 min at a stirring speed of 360 rpm

(PDF) Quantitative leaching of a Nigerian iron ore in ...

Abstract A study on the quantitative leaching of iron ore in hydrochloric acid solution has been undertaken. The elemental composition of the iron ore was also carried out using ICP-MS technique. The major elements in the iron ore include: Fe

Quantitative Leaching of a Nigerian Iron Ore in ...

quantitative leaching of a Nigerian iron ore. Therefore, this work will provide data on the quantitative leaching and the kinetics of dissolution behaviour of the iron ore in hydrochloric acid solutions. This work is interesting from the industrial perspective, as it could provide optimum conditions for the commercial production of ferric

Quantitative Leaching of a Nigerian Iron Ore in ...

2005-12-31 · Abstract (summary): A study on the quantitative leaching of iron ore in hydrochloric acid solution has been undertaken. The elemental composition of the iron ore was also carried out using ICP-MS technique. The major elements in the iron ore include: Fe(66.7%); Al

Quantitative Leaching of a Nigerian IronOre in ...

Furthermore, the leaching of the iron-ore in different media has been studied by many investigators (D’Hugues, et al, 2002; Baba, et al, 2003 and Bolorunduro, et al, 2003).To the best of our knowledge, there is no reported works viz a viz the quantitative leaching of a Nigerian iron ore.

Alafara, A. Baba; Adekola, F A; Folashade, A. O ...

Iron oxide in samples of clay containing 8.15% iron oxide was leached in aqueous oxalic acid and hydrochloric acid solutions. Leaching experiments were conducted in the temperature range of 40–80°C for times up to 90 minutes in 0.2 M to 2 M acid solutions.

Leaching of a Nigerian Columbite in Hydrochloric Acid ...

2012-1-3 · This paper presents the kinetics of dissolution of a Nigerian columbite mineral ore sample in hydrochloric acid media. The effects of acid concentration, process temperature, stirring rate and particle size on the dissolution rate were examined. Experimental results showed that the columbite dissolution increases with increasing acid concentration, temperature, stirring speed and decreases ...

A kinetic study of the leaching of a Nigerian ilmenite ore ...

1999-7-1 · A kinetic study of the leaching of powdered ilmenite ore by hydrochloric acid has been investigated. The effects of (a) stirring speed ranging from 100 to 500 min −1, (b) particle size ranging from 20 to 74 μm, (c) acid concentration ranging from 7.2 to 9.6 M and (d) temperature ranging from 70 to 90°C on titanium and iron dissolution are reported.

Hydrometallurgical application for treating a Nigerian ...

2013-11-20 · The dissolution kinetics of a Nigerian chalcopyrite ore in hydrochloric acid was studied in this article. Acid concentration, reaction temperature, and ore particle size were chosen as experimental parameters. The chemical and morphological studies of the ore before and after leaching at optimal conditions were carried out by X-ray diffraction (XRD) and scanning electron microscopy (SEM). It ...

Upgrading of a Nigerian Vermiculite-Phillipsite Rich Talc ...

2021-2-11 · In another research by Baba et al. , iron content reduction of typical Nigerian talc ore from the Isanlu area of Kogi State was established with a decrease in iron

Quantitative Leaching of a Nigerian IronOre in ...

Furthermore, the leaching of the iron-ore in different media has been studied by many investigators (D’Hugues, et al, 2002; Baba, et al, 2003 and Bolorunduro, et al, 2003).To the best of our knowledge, there is no reported works viz a viz the quantitative leaching of a Nigerian iron ore.

Quantitative Leaching of a Nigerian Iron Ore in ...

2005-12-31 · Abstract (summary): A study on the quantitative leaching of iron ore in hydrochloric acid solution has been undertaken. The elemental composition of the iron ore was also carried out using ICP-MS technique. The major elements in the iron ore include: Fe(66.7%); Al

Alafara, A. Baba; Adekola, F A; Folashade, A. O ...

Iron oxide in samples of clay containing 8.15% iron oxide was leached in aqueous oxalic acid and hydrochloric acid solutions. Leaching experiments were conducted in the temperature range of 40–80°C for times up to 90 minutes in 0.2 M to 2 M acid solutions.

Leaching of a Nigerian Columbite in Hydrochloric Acid ...

2012-1-3 · This paper presents the kinetics of dissolution of a Nigerian columbite mineral ore sample in hydrochloric acid media. The effects of acid concentration, process temperature, stirring rate and particle size on the dissolution rate were examined. Experimental results showed that the columbite dissolution increases with increasing acid concentration, temperature, stirring speed and decreases ...

Purification of a Nigerian talc ore by acid leaching ...

2015-9-1 · A study on the purification of a Nigerian talc ore by acid leaching was examined. The initial and leached talc ore were appropriately characterized. Specific surface area of the ore increased from 0.15 m 2 /g to 3.59 m 2 /g at optimal leaching. A process

Investigation of Chemical and Microbial Leaching of Iron ...

Investigations on the chemical and microbial leaching of a Nigerian Iron-ore in sulphuric acid have been carried out. The influence of physico-chemical parameters such as acid concentration ...

Upgrading of a Nigerian Vermiculite-Phillipsite Rich Talc ...

2021-2-12 · Upgrading of a Nigerian Vermiculite-Phillipsite Rich Talc Ore by Flotation-Cum-Acid Leaching Routes for Industrial Applications ... iron content reduction of typical Nigerian talc ore from the Isanlu area of Kogi State was established with a decrease in iron content from 3.75 to ... Fig. 5 reveals that an increase in hydrochloric acid ...

Production of a ferric chloride coagulant by leaching an ...

2020-9-1 · Iron ore tailing was used as a raw material for the production of ferric chloride. • Leaching studies were carried out with hydrochloric acid. • Best results were attained with a 10.8 mol L-1 of HCl, a temperature of 80°, and a leaching time of 120 min. • The procedures allowed 94% recovery of iron present in the iron ore tailing. •

MULTISTAGE DILUTE ACID LEACHING OF A MEDIUM

2017-6-9 · supply of iron ore super concentrates to the Aladja Steel Midrex plant necessitates further studies to upgrade these iron ore deposits. Hence, the aim of this research work is to upgrade the Koton Karfe iron ore from these deposits to a super-concentrate through multistage leaching using dilute hydrochloric acid. 2.

Reductive leaching of ilmenite ore in hydrochloric acid ...

2004-4-1 · The reactivity of ilmenite ore during leaching with hydrochloric acid can be greatly enhanced by reduction in solution using metallic iron. Addition of a particular amount of iron powder after a certain time of reaction will reduce all the dissolved Fe 3+ to Fe 2+ and reduce a portion of the dissolved Ti 4+ to Ti 3+.As the leaching continues, any further dissolved Fe 3+ will be simultaneously ...

Quantitative Leaching of a Nigerian IronOre in ...

Furthermore, the leaching of the iron-ore in different media has been studied by many investigators (D’Hugues, et al, 2002; Baba, et al, 2003 and Bolorunduro, et al, 2003).To the best of our knowledge, there is no reported works viz a viz the quantitative leaching of a Nigerian iron ore.

Leaching of a Nigerian Columbite in Hydrochloric Acid ...

2012-1-3 · This paper presents the kinetics of dissolution of a Nigerian columbite mineral ore sample in hydrochloric acid media. The effects of acid concentration, process temperature, stirring rate and particle size on the dissolution rate were examined. Experimental results showed that the columbite dissolution increases with increasing acid concentration, temperature, stirring speed and decreases ...

ACIDIC LEACHING OF IRON FROM KAOJE GOETHITE ORE

ACIDIC LEACHING OF IRON FROM KAOJE GOETHITE ORE BY HYDROCHLORIC ACID: KINETICS MODELLING, K. I. Ayinla, et al Nigerian Journal of Technology, Vol. 39, No. 3, July 2020 802 C 0 (%) is the metals content of Fe in oxide ore sample and M (g) is the mass of the Fe oxide ore.

Upgrading of a Nigerian Vermiculite-Phillipsite Rich Talc ...

2021-2-12 · Upgrading of a Nigerian Vermiculite-Phillipsite Rich Talc Ore by Flotation-Cum-Acid Leaching Routes for Industrial Applications ... iron content reduction of typical Nigerian talc ore from the Isanlu area of Kogi State was established with a decrease in iron content from 3.75 to ... Fig. 5 reveals that an increase in hydrochloric acid ...

[PDF] OPTIMIZATION STUDY OF A NIGERIAN DOLOMITE

The optimum condition for leaching dolomite ore in hydrochloric acid solutions was determined in this study. The optimized parameters referred to the temperature, the acid concentration, the time and particle size. It was found that the leaching temperature was 80°C, the acid concentration was 2 mol/L, the leaching time - 60 minutes, while the particle size - 0.01 mm.

A Kinetic Study of the Leaching of Iron and Manganese

A kinetic study of the leaching of iron and manganese from powdered tantalite-columbite ore by Hydrochloric Acid (HCl) and Sulphuric Acid (H 2 SO 4) solutions has been carried out. The effects of (a) particle size ranging from 63 to 250 μm (b) stirring speed ranging from 180 to 540 min -1 (c) acid concentration ranging from 4.0 to 10.0 M (d ...

Kinetics of Leaching of Iron Oxide in Clay in Oxalic Acid ...

2020-8-21 · Iron oxide in samples of clay containing 8.15% iron oxide was leached in aqueous oxalic acid and hydrochloric acid solutions. Leaching experiments were conducted in the temperature range of 40–80°C for times up to 90 minutes in 0.2 M to 2 M acid solutions. The mixed kinetic mechanism seemed to be the most appropriate model to fit the kinetic data of leaching in oxalic acid while product ...

Comparative Kinetics of Iron Ore Dissolution in Aqueous ...

2013-12-24 · results, it is concluded that the ore was an iron ore. 3.2. Effect of Acid Concentration . The effect of 3:1 HCl-HNO. 3. solution concentration on the dissolution of the iron ore was studied using the fol- lowing concentrations; 1 M, 2 M, 4 M, and 8 M. Figure 1.

Kinetics of Hydrochloric Acid Leaching of Titanium from ...

2016-1-13 · The hydrochloric acid leaching of titanium from titanium-bearing electric furnace slag was investigated under different experimental conditions. The results indicate that particle size, hydrochloric acid concentration and reaction temperature were of significance to the leaching kinetics. Specifically, reaction temperature was the most important factor followed by hydrochloric acid ...

Hydrochloric Acid Copper Leaching

2018-12-3 · Table of ContentsPertinent Chemistry and MineralogyPreliminary Process ConsiderationsExperimental Data Experimentation with chalcopyrite concentrate in dilute hydrochloric acid, under reflux conditions (in Pyrex flasks) and with an inert purge gas,

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