Tin and lead industry

6FE2O3 = 4FE3O4 + O2

Fe3O4 = Fe2O3 + Feo

[CU2S · 3FES] + 3FE3O4 + 5SIO2 = 5 (2FEO · SIO2) + SO2 ? +[Cu2s · 2fes]

Currently, electric melting of ore raw materials is used in copper, nickel, tin and lead industry and in the production of ferroalloys.