Integrated Technology for Processing Rhenium-containing Molybdenite Concentrates to Recover Molybdenum and Rhenium into Commercial Products

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.

Keywords::

• Fluid bed roasting
• Molybdenite processing
• Molybdenum and rhenium commercial products
• Pyro and hydrometallurgical technology