RECOVERY OF VANADIUM FROM STEEL MAKING CONVERTER SLAG

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BAFGHI M.S.; ABOUTALEBI M.R.; EMAMI A.H.

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Journal: Year:2006 | Volume:39 | Issue:6 (94) Page(s): 813-820

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Information Journal Paper

Title

RECOVERY OF VANADIUM FROM STEEL MAKING CONVERTER SLAG

Author(s)

BAFGHI M.S. | ABOUTALEBI M.R. | EMAMI A.H. | Issue Writer Certificate

Keywords

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Abstract

A salt roasting-water leaching process was adopted for the recovery of vanadium from steel making converter slag produced at Isfahan steel plant. A mixture of slag and sodium carbonate was palletized and roasted under various conditions. The effects of roasting parameters such as temperature, sodium carbonate content of the mixture, particle size, oxygen content of gas atmosphere and time were studied. The highest efficiency of roasting was achieved at 850°C with salt (sodium carbonate) to slag weight ratio of 0.5 and slag powder particle size of - 246μm. It was observed that the oxygen partial pressure in gas atmosphere has a little effect on the roasting efficiency. This observation is in accordance with the form of vanadium in the slag which is in pentavalent state as revealed by XRD analysis. To extract vanadium compounds, the roasted products were leached in hot water under optimum conditions reported in the literature. Vanadium compounds were precipitated from the solution and was analyzed by XRD and XRF techniques where in β-Na4V2O7 and V3O4 detected.

Cites

RECOVERY OF VANADIUM FROM QARAH-AGHAJ TITAN MAGNETITE ORE BY ROASTING AND LEACHING

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APA: Copy

BAFGHI, M.S., ABOUTALEBI, M.R., & EMAMI, A.H.. (2006). RECOVERY OF VANADIUM FROM STEEL MAKING CONVERTER SLAG. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 39(6 (94)), 813-820. SID. https://sid.ir/paper/14054/en

Vancouver: Copy

BAFGHI M.S., ABOUTALEBI M.R., EMAMI A.H.. RECOVERY OF VANADIUM FROM STEEL MAKING CONVERTER SLAG. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2006;39(6 (94)):813-820. Available from: https://sid.ir/paper/14054/en

IEEE: Copy

M.S. BAFGHI, M.R. ABOUTALEBI, and A.H. EMAMI, “RECOVERY OF VANADIUM FROM STEEL MAKING CONVERTER SLAG,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 39, no. 6 (94), pp. 813–820, 2006, [Online]. Available: https://sid.ir/paper/14054/en

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