Such alloys usually have tungsten base, and molybdenum from 1 to 50%. Toma Group extracts Rhenium and provides it in form of Ammonium Perrhenate with purity higher than Catalyst Grade and two by-products: powder of tungsten based oxide and molybdenum based oxide. Toma provides service for refining all physical forms of such alloys. Main refining part is done in pyrometallurgical oxidation furnaces with no air or water pollution.
Rhenium and precious metals refining