Improving the Continuous Copper Converting Process Using Ferrous Calcium Silicate Slags

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Replacement of refractories due to slag attack is a major cost in the copper making process. Metallurgists need to find a better slag which retains the benefits of current slags but is less aggressive towards refractories. This project will assess the suitability of a newly proposed ferrous calcium silicate slag for continuous copper converting. The outcomes will be to: (1) provide fundamental knowledge of the properties of the SiO2-CaO-FeO slag system, (2) provide data on the rate and mechanism of refractory attack by this slag and (3) enable the copper smelting industry to assess the potential of this slag to reduce operating costs.