Vanadium distribution in melts intermediate to ferroalloy production from vanadiferous slag |
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| Authors: | R L Howard S R Richards B J Welch J J Moore |
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| Affiliation: | (1) African Mining and Trust Co., Johannesburg, South Africa;(2) Industrial Research Ltd., Wellington, New Zealand;(3) Department of Chemical and Materials Engineering, University of Auckland, New Zealand;(4) Department of Metallurgical and Materials Engineering, Colorado School of Mines, 80401 Golden, CO |
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| Abstract: | Processing of vanadiferous slags through the pyrometallurgical process route appears to offer advantages both in terms of
ferroalloy production and in the potential for efficient vanadium recovery from hot metal. In order to investigate the effect
of slag composition on the phase distribution of vanadium, a series of laboratory smelting experiments was carried out. The
effect of basicity adjustments on the slag/metal distribution of iron, vanadium, and manganese was investigated using carbon
and FeSi as a reductant. A simulation of the final stage of slag reduction was also carried out to determine the efficiency
of vanadium recovery during metallothermic smelting using aluminum and FeSi.
Formerly with Industrial Research Ltd., Wellington, New Zealand |
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