ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Regular Article
Mechanochemical Effects on the Roasting Behavior of Vanadium-bearing LD Converter Slag in the Air
Junyi XiangQingyun HuangXuewei LvChenguang Bai
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2017 Volume 57 Issue 6 Pages 970-977

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Abstract

Mechanical activation study was carried out to enhance the oxidation roasting of the LD converter slag. XRD, SEM/EDS, particle size, specific surface area and thermal gravimetric analysis methods were used to determine the effect of mechanical activation. It has been shown that mechanical activation leads to the decrease of particle size, the increase of surface area, and the disorder of the crystal structure. TGA results reveals that mechanical activation not only can decrease the final oxidation temperature by 50 to 100°C, but also significantly decreased the apparent activation energy.

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© 2017 by The Iron and Steel Institute of Japan
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