Molybdenum Oxide and Molybdenite Concentrate
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- Category: Molybdenum knowledge
- Published on 24 September 2013
- Written by 陈桂兰
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Molybdenum oxide is the chemical compound with the formula MoO2. It is a violet-colored solid and is a metallic conductor. It crystallizes in a monoclinic cell, and has a distorted rutile, (TiO2) crystal structure. In MoO2 the octahedra are distorted, the Mo atoms are off-centre, leading to alternating short and long Mo – Mo distances. The short Mo – Mo distance is 251 pm which is less than the Mo – Mo distance in the metal, 272.5 pm. The bond length is shorter than would be expected for a single bond. The bonding is complex and involves a delocalisation of some of the Mo electrons in a conductance band accounting for the metallic conductivity.
The major use of Roasted Molybdenite Concentrate is to add molybdenum to steel produced in the electric arc furnace.The material may be added to the charge or to the molten bath. For the adjustment of the final analysis, the use of Roasted Molybdenite Concentrate is not recommended.
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