Abstract
The paper reports on processing of molybdenite concentrate to recover molybdenum and rhenium products. The process involves roasting of molybdenite in a fluid bed. The fluid bed exhaust is passed through a cyclone, a electrostatic separator and finally subjected to wet gas scrubbing. The scrub is sent to solid ion exchange resin to produce ammonium perrhenate. The cinder from fluid bed roaster is processed to calcium molybdate and the dust from dust recovery is processed to ammonium paramolybdate.
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