Collaborative Innovation Center of Steel Technology;
University of Science and Technology Beijing;
Beijing 100083;
China;
National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology;
Institute of Process Engineering;
Chinese Academy of Sciences;
Beijing 100190;
China;
State Key Laboratory of Advanced Metallurgy;
University of Science and Technology Beijing;
Beijing 100083;
China;
vanadium slag; molten salt electrolysis; separation; electrochemical analysis;