발간논문

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Vol.32, No.8, 982 ~ 989, 1994
Title
Smelting Reduction for Vanadium - Recovery from LD - Slag (1)
박현서Hyun Seo Park, 반봉찬Bong Chan Ban, 조규성Kyu Seong Cho
Abstract
Smelting reduction technique was applied for the recovery of valuable metals such as V and Cr from LD slag using a Tamman furnace. In the present study, the parameters to increase the reduction rate and efficiency were selected by changing the slag additives, basicity, temperature and amount of reductant. The optimum basicity was found to be 1.4 and maximum reduction of V was reached to less than 0.02% V in the slag in 30 min. The temperature dependence of reduction rate calculated from the experimental data. was 0.0012∼0.0021kg/㎡·s. Metallization degree of slag was 58% (1400℃), 70%(1500℃), 74%(1550℃), 82%(1600℃) and 98%(1600℃, 30min).
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