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Metallurgical and Materials Transactions B
Published in: Metallurgical and Materials Transactions B 3/2020

16-03-2020

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

Authors: Taufiq Hidayat, Ata Fallah-Mehrjardi, Peter C. Hayes, Evgueni Jak

Published in: Metallurgical and Materials Transactions B | Issue 3/2020

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Abstract

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.
previous article Kinetics of Slag Reduction in Silicomanganese Production
next article Development of Ferrous-Calcium Silicate Slag for the Direct to Blister Copper-Making Process and the Equilibria Investigation

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Metadata
Title
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
Authors
Taufiq Hidayat
Ata Fallah-Mehrjardi
Peter C. Hayes
Evgueni Jak
Publication date
16-03-2020
Publisher
Springer US
Published in
Metallurgical and Materials Transactions B / Issue 3/2020
Print ISSN: 1073-5615
Electronic ISSN: 1543-1916
DOI
https://doi.org/10.1007/s11663-020-01807-x

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