Abstract
Physicochemical property of sodium aluminate solution is an important theoretical basis for caustic process for alumina production, referring to digestion, hydrolyzation, settling, precipitation, and evaporation processes operation, which directly affect energy consumption and alumina quality. Thus, it is necessary to explore one method to conduct physical property prediction for liquor. Based on the Bayer process, the effects of relative factors on the physical properties of liquor were investigated, besides orthogonal test was designed to analyze the influence sequence of various factors like molar ratio of sodium aluminate, sodium carbon content, silicon index, and alumina content in the liquor, which can provide us with guidance for establishing appropriate mathematical models to calculate the physicochemical property of sodium aluminate solution based on electric conductivity analysis during alumina production process, and the results show that the order of each factor from primary to secondary is alumina content, caustic content, sodium carbon content, and silicon index, which can bring us instructive guidance when establishing appropriate mathematical models to predict the physicochemical property of sodium aluminate solution based on electric conductivity during alumina production process.
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Song, E., Qi, L., Han, D., Zhou, F. (2022). Study the Effects of Process Condition on the Electric Conductivity of Sodium Aluminate Solution. In: Eskin, D. (eds) Light Metals 2022. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-92529-1_5
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DOI: https://doi.org/10.1007/978-3-030-92529-1_5
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