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| Thermodynamic Analysis on Direct Alloying of Molybdenum Oxide for Stainless Steel in AOD Furnace |
| MA Deng,GUO Pei-min,PANG Jian-ming,ZHAO Pei |
| （Center of Efficient Utilization of Resources by Low-Temperature Metallurgy,China Central Iron and Research Institute Group, Beijing 100081, China） |
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Abstract The oxidation reaction of molybdenum and reduction reaction of molybdenum trioxide were discussed, and the effect of the addition of molybdenum oxide on AOD process and the component of liquid steel was also investigated. The subsequent research was focused on the volatilization of molybdenum oxide which had a serious impact on the recovery of molybdenum. Finally, thermodynamic analysis of “decarburization and molybdenum conservation” and “decarburization and chromium conservation”was accomplished. The direct alloying of molybdenum oxide in AOD is completely feasible, additional reducing agent and fixative agent, however, should be added to AOD, together with molybdenum oxide for higher recovery of molybdenum and better stainless steel.
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Received: 06 June 2013
Published: 07 May 2014
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2014, Vol. 49 
