... fine, feebly magnetic minerals, such as hematite, limonite, wolfram, ilmenite, and tantalum-niobium, etc. In recent years, it is ... processing fine magnetic minerals, such as hematite, limonite, wolfram, ilmenite and tantalum-niobium. Recently, this equipment has also been ... mineral separation of such materials as magnetite, pyrrhotine, roasted ore and ilmenite, etc. and it is also applicable for iron ...