Influence of Vanadium Slag Cooling Scheme on Particle Size of Vanadium Spinel and Sodium Roasting

Fu Zibi; Yin Danfeng; Zhang Xinxia

Volume 33 Issue 3

Jun. 2012

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Fu Zibi, Yin Danfeng, Zhang Xinxia. Influence of Vanadium Slag Cooling Scheme on Particle Size of Vanadium Spinel and Sodium Roasting[J]. IRON STEEL VANADIUM TITANIUM, 2012, 33(3): 6-10.

Citation:

Fu Zibi, Yin Danfeng, Zhang Xinxia. Influence of Vanadium Slag Cooling Scheme on Particle Size of Vanadium Spinel and Sodium Roasting[J]. IRON STEEL VANADIUM TITANIUM, 2012, 33(3): 6-10.

Fu Zibi, Yin Danfeng, Zhang Xinxia. Influence of Vanadium Slag Cooling Scheme on Particle Size of Vanadium Spinel and Sodium Roasting[J]. IRON STEEL VANADIUM TITANIUM, 2012, 33(3): 6-10.

Citation:

Fu Zibi, Yin Danfeng, Zhang Xinxia. Influence of Vanadium Slag Cooling Scheme on Particle Size of Vanadium Spinel and Sodium Roasting[J]. IRON STEEL VANADIUM TITANIUM, 2012, 33(3): 6-10.

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Influence of Vanadium Slag Cooling Scheme on Particle Size of Vanadium Spinel and Sodium Roasting

1. Pangang Group Research Institute Co., Ltd., State Key Laboratory of Comprehensive Utilization of Vanadium and Titanium Resources, Panzhihua 617000, Sichuan, China;
2. Faculty of Metallurgical and Energy Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China

Received Date: 2012-02-10

Abstract

Abstract

Phase structures and spinels’ particle size of water-cooled vanadium slag,air-cooled vanadium slag and slowly cooled vanadium slag are analyzed,and the effect of holding time at 1 000 ℃ under nitrogen atmosphere on particle size of the vanadium spinel is studied.In addition,comparisons of sodium roasting of water-cooled vanadium slag,air-cooled vanadium slag and slowly cooled vanadium slag under the same conditions are made.According to the research,slow cooling and holding at 1 000 ℃ benefits the growth of vanadium spinel particles;for the vanadium slag of-0.125 mm roasted without vanadium extraction tailings,the conversion rate of water-cooled vanadium slag at different size range is 1%~2% lower than that of slowly cooled vanadium slag at the same size range;for the vanadium slag of-0.125 mm roasted with vanadium extraction tailings,the conversion rate of water-cooled vanadium slag is 0.56% lower than that of slowly cooled vanadium.
- vanadium slag,
- cooling scheme,
- vanadium spinel,
- roasting effect,
- particle size

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