Abstract

Effect of slag basicity on selenium distribution between slag and metal phase was studied at 1473 K under reducing conditions by equilibrating sodium-borate slags of different Na 2 O/B 2 O 3 ratios (0.527 to 0.864) with Cu-Se alloys containing different initial selenium amounts. Results show that there is an improvement in Se transfer from metal phase to slag with the increase in slag basicity. The Se distribution pattern at equilibrium between slag and metal follows a quantitative relationship In (%Se)/[%Se]=4b-2.76 where b is the slag basicity

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