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| Analysis of factors for Si-Ca-Ba alloy+CaF2 dearsenication of molten steel |
| LI Wen-bo1,2，BAO Yan-ping1,2，WANG Min1,2，LIN Lu1,2 |
1. State?Key?Laboratory?of?Advanced?Metallurgy，?University?of?Science?and?Technology?Beijing，? Beijing?100083，China
2. School of Metallurgical and Ecological Engigeering， University of Science and Technology Beijing， Beijing 100083， China |
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Abstract To make full use of domestic iron ore containing arsenic， the dearsenication agent of Si-Ca-Ba alloy＋CaF2 were researched in laboratory. It has been shown that the ratio of Si-Ca-Ba alloy， temperature， the amount of dearsenicatior and initial sulfur content in molten steel can affect the results of dearsenication. The present results indicate that the ratio of Si-Ca-Ba alloy which is in the range of 65%-75% has the most obvious dearsenication effect. Simultaneously， elevating temperature of molten steel， increasing the amount of dearsenication agent and reducing the initial sulfur content can improve the rate of dearsenication..
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Received: 16 December 2014
Published: 08 September 2015
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2015, Vol. 50 
