List Sulphide Minerals - Mineral Processing & Metallurgy
The sulphide minerals ... The furnace residue, called blue billy, is of the same composition as hematite, and it commonly used as an iron ore. Pyrite flotation concentrate is being used in a plant near Hamilton, Ontario, to produce elemental sulphur, sulphuric acid, and high grade iron ore. As a source of sulphur, native sulphur that is ...