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Spinel crystals in tuyere coke

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Abstract

A number of dodecahedral and octahedral spinel crystals were found in tuyere coke. The possibility of spinel formation from a gas phase in the tuyere coke can be considered for dodecahedral crystals. The octahedral spinels may have been formed by annealing of precursor mineral aggregates followed by crystallization of new phases. Investigations into spinel crystals can be important for further interpretations of the conditions of origin and subsequent behavior of mineral matter during coke degradation.

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  1. the Laboratory of Process Metallurgy, University of Oulu, FIN-90014, Finland

    Stanislav Gornostayev (Research Scientist) & Jouko Harkki (Professor)

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  1. Stanislav Gornostayev
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  2. Jouko Harkki
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Gornostayev, S., Harkki, J. Spinel crystals in tuyere coke. Metall Mater Trans B 36, 303–305 (2005). https://doi.org/10.1007/s11663-005-0032-1

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  • DOI: https://doi.org/10.1007/s11663-005-0032-1

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