期刊
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE
卷 43, 期 5, 页码 1034-1045出版社
SPRINGER
DOI: 10.1007/s11663-012-9683-x
关键词
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资金
- Australian Research Council Linkage program
- Rio Tinto Kennecott Utah Copper, Corp.
- Xstrata Technology
- Xstrata Copper
- BHP Billiton Olympic Dam Operation
- Outotec Oy
- University of Queensland Research Scholarship (UQRS)
- Endeavour International Postgraduate Research Scholarship (IPRS) programs
Phase equilibria of the Cu-Fe-O-Si system have been investigated in equilibrium: (1) with air atmosphere at temperatures between 1373 K and 1673 K (1100 A degrees C and 1400 A degrees C) and (2) with metallic copper at temperatures between 1373 K and 1573 K (1100 A degrees C and 1300 A degrees C). High-temperature equilibration/quenching/electron-probe X-ray microanalysis (EPMA) techniques have been used to accurately determine the compositions of the phases in equilibrium in the system. The new experimental results are presented in the form of Cu2O-Fe2O3-SiO2 ternary sections. The relationships between the activity of CuO0.5(l) and the composition of slag in equilibrium with metallic copper are discussed. The phase equilibria information of the Cu-Fe-O-Si system is of practical importance for industrial copper production processes and for the improvement of the existing thermodynamic database of copper-containing slag systems.
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