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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Influence of GPC Properties on the CPC Quality
verfasst von : Zhao Jingli, Zhao Qingcai, Zhao Qingbo, Yu Lei, Yu Pusheng
Erschienen in: Light Metals 2013
Verlag: Springer International Publishing
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A detailed study was carried out on green petroleum coke (GPC) from refineries in different locations in China and the corresponding calcined coke (CPC). The significant influence of GPC properties on the CPC quality was revealed. The content of ash and metal impurities such as Si, V, and Ni etc. increases during calcination, while the sulfur content is reduced. This shows that the sulfur in GPC from the different sources has a quite different reactivity due to the complex nature of sulfur and only a part of the sulfur reacts during calcination. The data revealed inhibition of CPC CO2 activity by sulfur. Sodium and calcium enhance the coke CO2 reactivity, while impurities such as vanadium and nickel promote air reactivity.