Sulphide Capacities of "FeO"-SiO_2, CaO-"FeO" and "FeO"-MnO Slags

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著者

    • NZOTTA M. M.
    • Department of Metallurgy, Royal Institute of Technology
    • SICHEN Du
    • Department of Metallurgy, Royal Institute of Technology

抄録

In view of the lack of sulphide capacity data for iron oxide-bearing slags that are of great importance in metallurgical processes, the present work was initiated to study the sulphide capacities of "FeO"-SiO<sub>2</sub>, "FeO"-CaO, and "FeO"-MnO melts. The melts were equilibrated with a gas mixture of CO, CO<sub>2</sub>, SO<sub>2</sub> and Ar with known sulphur and oxygen partial pressures in the temperature range of 1623 to 1873 K. The quenched slag samples were analysed for sulphur contents by the stoichiometric combustion method. Chemical analyses were also carried out to determine the chemical composition of the slag in view of the dissolution of iron and manganese from the slag into the platinum containers. The experimental results were compared with those obtained by other investigators and the thermodynamic aspects are discussed. On the basis of a sulphide capacity model developed in the present laboratory, the sulphide capacities in these three binary systems have been described as functions of temperature and composition.

収録刊行物

  • ISIJ international

    ISIJ international 39(7), 657-663, 1999-07-15

    The Iron and Steel Institute of Japan

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  • Sulphide Capacities in Some Multi Component Slag Systems

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被引用文献:  2件中 1-2件 を表示

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