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 :
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Metallurgy
Recycling and secondary resources
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