FeV production
https://www.sciencedirect.com/topics/chemistry/ferrovanadium#:~:targetText=Ferrovanadium%20is%20produced%20by%20the,arc%20furnace%20utilizes%20three%20periods.&targetText=The%20slag%20with%20this%20low,is%20tapped%20from%20the%20furnace. seems a lot more involved than expected.