Experimental Study of Ferrous Calcium Silicate Slags: Phase Equilibria at {\text{P}}_{{{\text{O}}_{2} }} Between 10?5?atm and 10?7?atm |
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Authors: | Taufiq Hidayat Peter C Hayes Evgueni Jak |
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Affiliation: | (1) Pyrometallurgy Research Centre (PYROSEARCH), School of Chemical Engineering, The University of Queensland, Brisbane, QLD, 4072, Australia |
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Abstract: | Ferrous calcium silicate slags, whose principal components are “FeO
x
”-CaO-SiO2, are widely used in copper smelting and converting operations. In the current study, high-temperature equilibration and rapid
quenching techniques were used to study the phase equilibria of the ferrous calcium silicate slags. The compositions of phases
in the slags were measured accurately using electron probe X-ray microanalysis (EPMA). The phase equilibria of the system
have been characterized at oxygen partial pressures between 10−5 atm and 10−7 atm at selected temperatures between 1473 K and 1623 K (1200 °C and 1350 °C). The effects of oxygen partial pressure and temperature
on the compositions of phases in the slags are presented. |
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Keywords: | |
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