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Erschienen in:
2016 | OriginalPaper | Buchkapitel
Economic and Environmental Alternative for Destination of Spent Pot Lining from Primary Aluminum Production
verfasst von : Bruna Meirelles, Henrique Santos
Erschienen in: Light Metals 2014
Verlag: Springer International Publishing
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The residue from the demolition of electrolytic cells for the production of primary aluminum is the Spent Potlining (SPL). This material is classified as Class I (non-inert — traces of cyanide) waste. Among the possibilities of neutralizing the SPL there are the process at elevated temperatures with the formation of silicates and calcium compounds. The processes of secondary metallurgy of steel are characterized by high temperature and the slag is from the CaO-Al2O3-SiO2 system saturated with CaO. Additionally, other fluidizing components used are found on the composition of SPL. In this work was investigated and evaluated the possible development and application of SPL as alternative in steelmaking.