KINETICS OF ROASTING OF VANADIUM PENTOXIDE WITH SODIUM CARBONATE

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SADRNEZHAAD S.K.; ASJODI F.

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Journal: Year:2009 | Volume:43 | Issue:2 (120) Page(s): 197-204

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Information Journal Paper

Title

KINETICS OF ROASTING OF VANADIUM PENTOXIDE WITH SODIUM CARBONATE

Author(s)

SADRNEZHAAD S.K. | ASJODI F. | Issue Writer Certificate

Keywords

SALT ROASTINGQ3

SODIUM CARBONATEQ3

SODIUM VANADATEQ3

KINETICSQ3

SHRINKING CORE MODELQ3

Abstract

Vanadium is distributed widely and scarcely (150 ppm) on the earth. Its major applications are in steelmaking, dye-production and catalyst-fabrication industries. With the ever-increasing demand for this metal, secondary resource-exploitation of such waste materials as spent catalysts is recommended. Many reactions are involved in vanadium-extraction from these resources. Since roasting in comparison with other reactions is too slow, its investigation is crucial for vanadium revitalization. This paper focuses on sodium-carbonate roasting of vanadium oxide and brings about both process KINETICS and the governing rate equations. Experiments are carried out at isothermal conditions with different molar ratios of vanadium oxide to SODIUM CARBONATE species (1:1, 3:1 and 6:1). Prevailing mechanism and the activation energies of the roasting steps are determined by application of SHRINKING CORE MODEL to the pertaining two-phase reaction.

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APA: Copy

SADRNEZHAAD, S.K., & ASJODI, F.. (2009). KINETICS OF ROASTING OF VANADIUM PENTOXIDE WITH SODIUM CARBONATE. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 43(2 (120)), 197-204. SID. https://sid.ir/paper/14403/en

Vancouver: Copy

SADRNEZHAAD S.K., ASJODI F.. KINETICS OF ROASTING OF VANADIUM PENTOXIDE WITH SODIUM CARBONATE. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2009;43(2 (120)):197-204. Available from: https://sid.ir/paper/14403/en

IEEE: Copy

S.K. SADRNEZHAAD, and F. ASJODI, “KINETICS OF ROASTING OF VANADIUM PENTOXIDE WITH SODIUM CARBONATE,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 43, no. 2 (120), pp. 197–204, 2009, [Online]. Available: https://sid.ir/paper/14403/en

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