Abstract
The activity of sulfur in the Fe-S and Ni-S binary and the Fe-Ni-S ternary systems was investigated at 1250°C by equilibrating molten mattes with gaseous mixtures of H2S and H2. From the sulfur activity data the activities of iron and nickel in the Fe-S and Ni-S binary systems as well as the activities of FeS and Ni3S2 in the ternary system were calculated. Isoactivity diagrams are presented for S, FeS, and Ni3S2 in the Fe-Ni-S ternary system. Some comments are offered on the industrial problems of nickel slag loss and ferronickel separation.
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Byerley, J.J., Takebe, N. Thermodynamics of the Fe-Ni-S system at 1250°C. Metall Trans 3, 563–568 (1972). https://doi.org/10.1007/BF02642062
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DOI: https://doi.org/10.1007/BF02642062