Removal of iron-containing impurities using the magnetic separation method

The methods of removal of iron-containing impurities from raw material are considered. In order to increase the efficiency of iron removal, dry refining of the raw material with self-cleaning roller-type separators with a magnetic system consisting of Nd - Fe - B permanent magnets is proposed. The installation of such separators will make it possible to remove from 50 to 90% of the iron-containing impurities present in the material. Translated from Steklo i Keramika, No. 1, pp. 28 – 29, January, 1999.