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:<math>\mathrm{S _{(bath)} + CaO _{(slag)} \longrightarrow CaS_{(slag)} + O _{(bath)}}</math>
So, additions of lime are added to dilute sulfur in the metal bath. Also, aluminum or silicon maybe added to remove oxygen. Other trimming alloy additions might be added at the end of the step. After sulfur levels have been achieved the slag is removed from the AOD vessel and the metal bath is ready for tapping. The tapped bath is then either sent to a stir station for further chemistry trimming or to a caster for casting.ok
[[Category:Steelmaking]]
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