Abstract
With the rapid development of the electrolytic aluminum industry, the petroleum cokes used to prepare prebaked anodes for aluminum production are short of supply and the petroleum coke procurement strategy is gradually changing. This paper will deeply discuss the effects on the physical and chemical properties of prebaked anodes by using high-sulfur cokes. The analysis of experimental data indicated that the reactivity of the prebaked anode with certain percentage of a high-sulfur coke was higher than that of the prebaked anode with a low-sulfur coke, but there was no obvious difference in the air reactivity. The Ca, V and Ni contents of the high-sulfur coke anode are lower than that of the low-sulfur coke anode, but the Na content is a little bit higher. With the increase of the trace elements, both CO2 and air reactivity of the anode increased. Finally, the results showed that the electrical resistivity, compressive strength and porosity of the high-sulfur coke anode are lower than that of the low-sulfur coke anode by comparing the conventional physical and chemical properties of prebaked anodes made of two types of petroleum cokes.
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© 2018 The Minerals, Metals & Materials Society
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Jiang, HT., Tang, CT., Ma, ZQ., Zhou, P., Li, Y., Gao, PP. (2018). Effects of High-Sulfur Cokes on Physicochemical Properties of Prebaked Anodes in Aluminium Electrolysis. In: Martin, O. (eds) Light Metals 2018. TMS 2018. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-319-72284-9_156
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DOI: https://doi.org/10.1007/978-3-319-72284-9_156
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