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Title: $Thermodynamic Research of Nitrogen Reaction with Oxides in the Ladle Slag(2)
Abstract: From the theoretical calculation of nitrogen reaction with oxides(V2O5,Nb2O5,La2O3)in the ladle slag,at the lower pressure,the oxides added to the reducing ladle slag may react with nitrogen in the molten steel,which is benefit for the nitrogen removal from the liquid steel;The accelerating role of vanadium oxide on the nitrogen removal from the molten steel is much stronger than that of the rest of oxides;Under the condition of the liquid steel that is deeply deoxidized,the oxides in the molten slag can promote the nitrogen removal ability of liquid steel.