Abstract
Superfine precipitated alumina trihydrate is a very promising and environmentally acceptable filler and flame retardant for plastic and rubber materials, for paper, cardboard, paints, and as a component in ceramics and polishing compounds. For these applications, the most important product qualities are a high thermal stability (dehydration temperature ≥200 °C), brightness (≥95%), fine average particle size (0.8–2.0 μm), and the low alkali content (soluble Na2O ≤ 0.2%). Total consumption in the world exceeds 800,000 tons a year at the average price of 1000 €/t, and an annual growth rate of 4.3%. The properties of superfine precipitated alumina obtained by RUSAL’s carbonation technology is analysed and compared in this paper to similar products obtained by conventional technology involving the Bayer process.
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© 2018 The Minerals, Metals & Materials Society
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Panov, A., Senyuta, A. (2018). The Properties of Superfine ATH Precipitated by Carbonation Method. 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_6
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DOI: https://doi.org/10.1007/978-3-319-72284-9_6
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Publisher Name: Springer, Cham
Print ISBN: 978-3-319-72283-2
Online ISBN: 978-3-319-72284-9
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