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Metallurgical and Materials Transactions B
Published in: Metallurgical and Materials Transactions B 6/2010

01-12-2010

Thermodynamic Modeling of Arsenic in Copper Smelting Processes

Authors: Chunlin Chen, Ling Zhang, Sharif Jahanshahi

Published in: Metallurgical and Materials Transactions B | Issue 6/2010

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Abstract

Published data on the activity coefficients of arsenic in liquid copper, matte and, slag have been reviewed, assessed, and used in the development of thermodynamic databases for solution models of melts. The databases were validated against the literature data on the equilibrium distribution of arsenic between the matte and the slag. The models and databases were used in investigating the effects of matte grade, slag chemistry, SO2 partial pressure, arsenic loading, and temperature on the equilibrium distribution of arsenic between the melts and gas phase during copper smelting and converting. The results obtained show that the continuous smelting processes operates close to equilibrium between condensed phases with most arsenic reporting to the gas phase. A comparison of the batch and continuous converting processes showed a considerable difference with respect to the elimination of the arsenic from condensed phases. These results indicate batch processes to be more efficient in the removal of arsenic through the gas stream.
previous article Thermodynamics of Arsenic in FeOx-CaO-SiO2 Slags
next article Phase Equilibria of “Cu2O”-“FeO”-CaO-MgO-Al2O3 Slags at PO2 of 10-8.5 atm in Equilibrium with Metallic Copper for a Copper Slag Cleaning Production

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Metadata
Title
Thermodynamic Modeling of Arsenic in Copper Smelting Processes
Authors
Chunlin Chen
Ling Zhang
Sharif Jahanshahi
Publication date
01-12-2010
Publisher
Springer US
Published in
Metallurgical and Materials Transactions B / Issue 6/2010
Print ISSN: 1073-5615
Electronic ISSN: 1543-1916
DOI
https://doi.org/10.1007/s11663-010-9431-z

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