Abstract
In this research an Electro Slag Remelting (ESR) process for metallothermic reduction of molybdenum trioxide by aluminum and silicon is described. The process uses fine MoO 3 scrap as a raw material. After melting of nickel electrode, molybdenum is alloyed with nickel by direct reduction of MoO 3 added to the slag. A mixture of aluminum and silicon can be used as reductant and the reduction is carried out in situ in the molten slag. Nickel–molybdenum ingots containing up to 33.7-wt% of molybdenum were produced by this process. The results show that Al–50%Si is a suitable compound for reduction of MoO 3 and by using proper amount of reductants, flux and charge, high efficiency of reduction will be achieved; as the mean efficiency in these experiments was 92%.
Published Version
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