Abstract
Results of using of Outotec’s technological solution for liquid and solid phase separation for processing of aluminum raw material to alumina and chemical products are shown. Laboratory test work simulating Outotec SUPAFLO thickener with alumina production sludge showed that capacity can be increased at least in 1,3 times while reducing flocculant consumption in 3 times compared with existing technology. High density of thickened product and low solids content in overflow were achieved. Pressure filters, vacuum filters and capillary ceramic disk filters using in Outotec technological flowchart for red mud and amorphous aluminum hydroxides filtration and washing allow getting product with required chemical composition with 21–80% residual moisture level and 35–280 kgDS/m2 ∙h capacity.
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Seytenov, R.A., Lipin, V.A. (2015). Modern Technologies for Difficult to Filter Substances in Alumina Refinery. In: Hyland, M. (eds) Light Metals 2015. Springer, Cham. https://doi.org/10.1007/978-3-319-48248-4_18
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DOI: https://doi.org/10.1007/978-3-319-48248-4_18
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-48610-9
Online ISBN: 978-3-319-48248-4
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