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Article | REF: M2382 V1

Rhenium metallurgy and recycling

Authors: Pierre BLAZY, El-Aid JDID

Publication date: December 10, 2004 | Lire en français

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    6. Metallurgy

    The only industrial way to recover rhenium from primary sources is by roasting molybdenite concentrate. Hydrometallurgical processes have remained in the realm of recovery possibilities, but have not progressed beyond the pilot stage.

    6.1 Pyrometallurgical route

    The molybdenite is roasted to obtain the trioxide MoO 3 following the highly exothermic reaction : MoS2+72  O2→MoO3+2  SO2   −213 kcal  à   900  K

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