The Influence of Temperature on the Gas/Slag/Matte/Spinel Equilibria in the Cu-Fe-O-S-Si System at Fixed P(SO2) = 0.25 atm

被引：0
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作者：
Taufiq Hidayat
Ata Fallah-Mehrjardi
Peter C. Hayes
Evgueni Jak
机构：
[1] Institut Teknologi Bandung,Metallurgical Engineering Research Group, Faculty of Mining and Petroleum Engineering
[2] Research Development and Innovation Aurubis AG,Pyrometallurgy Innovation Centre (PYROSEARCH), School of Chemical Engineering
[3] The University of Queensland,undefined
来源：
Metallurgical and Materials Transactions B | 2020年 / 51卷
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摘要：
Equilibria between gas/slag/matte/spinel phases in the Cu-Fe-O-S-Si system have been experimentally studied at 1523 K (1250 °C), P(SO2) = 0.25 atm, and a range of oxygen partial pressures. The experimental technique involved high temperature equilibration using spinel substrates in controlled gas atmospheres (CO/CO2/SO2/Ar), rapid quenching of the equilibrated phases, and direct measurement of phase compositions using Electron Probe X-ray Microanalysis. The influence of temperature on the gas/slag/matte/spinel equilibria has been analyzed. Comparisons with previous studies on the gas/slag/matte/tridymite equilibria and the most recent thermodynamic database have been provided. This is the first systematic study on the influence of temperature on the gas/slag/matte/spinel equilibria in the Cu-Fe-O-S-Si system at P(SO2) = 0.25 atm.
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页码：963 / 972
页数：9
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