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