The Industrial Applications of Centrifuge to the Fine Tungsten Ores Recovery

There are a wide variety of associated minerals in a tungsten ore in which the grade of the WO₃ is very low. The wolframite and the scheelite were mixed and the ratio of the protogenetic ore and the weathering ore varies considerably. The former technology flow, "flotation in normal temperature-flotation in high temperature-low intensity magnetic separation -high intensity magnetic separation-gravity separation of high frequency shaking table", is applied to recover the fine tungsten ores. Due to its complicated technology, time-consuming and high cost, the main technological and economic indicators are not satisfactory. We uses the centrifugal concentrator selection process to substitute the former technology. A concentrate assaying 22.29 % WO₃ is obtained with 65.32 % WO₃ recovery.