Abstract
This study is a result of a collaboration between Stillwater Mining Company and RHI AG aimed at the determination of refractory products to improve the lining life in the customer’s vessel by using optimized corrosion testing methods at RHI’s Technology Center.
As a first part of the work a complete chemical and mineralogical characterization as well as FactSage calculation was carried out based on provided slag samples. According to these results the rotary kiln tests were realized at different process temperatures with several selected magnesia-chromite- and alumina-chromia bricks. Based on the mineralogical investigation a high chemothermal load caused by the Ca-ferritic slag resulted in a deep-reaching infiltration of the brick micro structure and corrosion of main brick components. On the basis of this outcome the selection of suitable brick types will be described in detail in the following article.
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References
W.G. Davenport et al., Extractive Metallurgy of Copper (Kidlington, Oxford OX5 1GB, UK: Elsevier Science Ltd., 2002), 432.
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V. Reiter, D. Gregurek, “Investigation of slag samples received from Stillwater Mining Company, Columbus, Montana, U.S.A.“ (Internal RHI report, Technology Center Leoben, Austria, 2012).
D. Gregurek, “Investigation of basic and non-basic bricks after the rotary kiln test carried out for Stillwater Mining Company, Columbus, Montana, U.S.A.“ (Internal RHI report, Technology Center Leoben, Austria, 2012).
D. Gregurek, “Investigation of basic and non-basic bricks after the second rotary kiln test carried out for Stillwater Mining Company, Columbus, Montana, U.S.A.“ (Internal RHI report, Technology Center Leoben, Austria, 2012).
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© 2013 TMS (The Minerals, Metals & Materials Society)
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Gregurek, D. et al. (2013). State of the Art Refractory Corrosion Test Work for the Nonferrous Metals Industry. In: Battle, T., et al. Ni-Co 2013. Springer, Cham. https://doi.org/10.1007/978-3-319-48147-0_16
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DOI: https://doi.org/10.1007/978-3-319-48147-0_16
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-48581-2
Online ISBN: 978-3-319-48147-0
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