Fluorspar, magnesium oxide, magnesium hydroxide, aluminum hydroxide, aluminum oxide, white fused alumina, olivine, graphite, calcium aluminate, aluminothermic slags
Mineral ores, anthracite, pci, steam coal, ferro alloys, slag, pig iron
Nickel sludge, spent nickel catalyst, spent copper catalyst, nickel vanadium fly ash, nickel crude sulfate