Preparation of Crude Vanadium Alloy by Aluminothermic Process

Vanadium pentoxide and aluminum powder were used as raw materials to prepare crude vanadium alloy for electrorefining by aluminothermic process in the shaft furnace.The influences of unit thermal value of burden and aluminum coefficient on V recovery and Al content in the alloy were studied.Stability test results show that under the conditions of 4 080 kJ/kg of unit thermal value of burden and 100% of aluminum coefficient,the alloy obtained contains 92.65% of V and 2.79% of Al in average,and the average recovery rate of vanadium is 84.34%,which meet the requirements of vanadium metal preparation by electrorefining process.