THERMODYNAMICS OF V REDUCTION IN SMELTING REDUCTION SLAG FOR VANADIUM-TITANIUMCONTAINING MAGNETITE

Acta Metall Sin

1993, Vol. 29

Issue (5): 49-55 DOI:

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THERMODYNAMICS OF V REDUCTION IN SMELTING REDUCTION SLAG FOR VANADIUM-TITANIUMCONTAINING MAGNETITE

LIU Qingcai;LI Changwei;ZOU Deyu;SUN Jinbiao Chongqing UniversityZHANG Binghuai;professor;Department of Metallurgy and Materials Engineering.Chong ping University.Chongping 630044

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LIU Qingcai;LI Changwei;ZOU Deyu;SUN Jinbiao Chongqing UniversityZHANG Binghuai;professor;Department of Metallurgy and Materials Engineering.Chong ping University.Chongping 630044. THERMODYNAMICS OF V REDUCTION IN SMELTING REDUCTION SLAG FOR VANADIUM-TITANIUMCONTAINING MAGNETITE. Acta Metall Sin, 1993, 29(5): 49-55.

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Abstract For slag system of CaO-SiO_2-Al_2O_3-MgO-V_2O_5, time of V reduction toapproach the dynamical equilibrium is about 6 h. The equilibrium time is not evidently influ-enced by the ratio CaO/SiO_2, and shortens with the increase of temperature. If the ratio be-tween slag and iron-bath is 1/2, CaO/SiO_2 0.8 and temperature 1773 K, the maximum dis-tribution coefficient of V reduction is 32.4 and maximum recoverv of V is 96.1%.

Key words: magnetite smelting reduction thermodynamics

Received: 18 May 1993

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