Vanadium extraction from a magnetite ore using alkaline roasting and acid leaching processes: optimization of parameters by response surface methodology

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GHODDOCY NEJAD D.; TAGHIZADEH M.; KHANCHI A.R.

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Journal: JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES) Year:2019 | Volume:10 | Issue:1 Page(s): 241-255

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Title

Vanadium extraction from a magnetite ore using alkaline roasting and acid leaching processes: optimization of parameters by response surface methodology

Author(s)

GHODDOCY NEJAD D. | TAGHIZADEH M. | KHANCHI A.R. | Issue Writer Certificate

Keywords

Magnetite OreQ1

VanadiumQ2

Alkaline RoastingQ1

Acid LeachingQ1

OptimizationQ1

Abstract

In this work, the Alkaline Roasting and sulfuric Acid Leaching processes were employed to extract Vanadium from the Magnetite Ore of Saghand mine in central Iran. The response surface methodology based on the central composite design model was applied to optimize the parameters involved in the processes. The studied roasting parameters were temperature (900-1100 ° C), sodium carbonate percentage (30-50 wt%), and time (1-3 h). In addition, the studied leaching factors included temperature (70-90 ° C), liquid-to-solid ratio (L/S) (5-20 mL/g), sulfuric acid concentration (2-6 M), and time (3-6 h). Under the optimal conditions, the values for temperature, time, and sodium carbonate amounted to 1010 ° C, 2. 1 h, and 41 wt%, respectively, for the roasting process, while the values for temperature, L/S, sulfuric acid concentration, and time for the leaching process were estimated to be 85 ° C, 12. 4 mL/g, 4. 25 M, and 4. 7 h, respectively. Under these conditions, about 83. 8 ± 0. 9% of Vanadium was leached from the Magnetite Ore.

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APA: Copy

GHODDOCY NEJAD, D., TAGHIZADEH, M., & KHANCHI, A.R.. (2019). Vanadium extraction from a magnetite ore using alkaline roasting and acid leaching processes: optimization of parameters by response surface methodology. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), 10(1 ), 241-255. SID. https://sid.ir/paper/256339/en

Vancouver: Copy

GHODDOCY NEJAD D., TAGHIZADEH M., KHANCHI A.R.. Vanadium extraction from a magnetite ore using alkaline roasting and acid leaching processes: optimization of parameters by response surface methodology. JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES)[Internet]. 2019;10(1 ):241-255. Available from: https://sid.ir/paper/256339/en

IEEE: Copy

D. GHODDOCY NEJAD, M. TAGHIZADEH, and A.R. KHANCHI, “Vanadium extraction from a magnetite ore using alkaline roasting and acid leaching processes: optimization of parameters by response surface methodology,” JOURNAL OF MINING AND ENVIRONMENTAL (INTERNATIONAL JOURNAL OF MINING & ENVIRONMENTAL ISSUES), vol. 10, no. 1 , pp. 241–255, 2019, [Online]. Available: https://sid.ir/paper/256339/en

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