Magnetic separator yɛ adwinnade bi a ɛde nnyinasosɛm a ɛfa magnetic nneɛma ne magnetic fields ho di dwuma de tetew nneɛma a ɛyɛ den mu. Ɛyɛ adsorbs titiriw na ɛtetew magnetic nneɛma a ɛwɔ ade no mu no mu denam magnetic tumi a magnetic field no de ba no so. Nneɛma a wɔde yɛ magnetic nhyehyɛe .

Afiri a wɔde horo anhwea a ɛyɛ nkuruwankuruwa no yɛ nnwinnade a ɛyɛ adwuma yiye a wɔde hohoro anhwea na wɔde yi nsu fi mu wɔ nnwuma ahorow mu. Esiane sɛ ɛte sɛ nkuruwankuruwa nti, ɛtetew anhwea mu nneɛma nketenkete mu yiye na ɛtew ho. Wɔ yɛn asɛm no mu no, yɛhwehwɛ sɛnea ɛyɛ adwuma no mu, si mfiridwuma ho nimdeɛ a ɛkɔ anim a ɛwɔ akyi no so dua .

Wɔ nnwuma a wotu fagude mu no, tailings sohwɛ a etu mpɔn ho hia kɛse na ama wɔatumi ahwɛ ahu sɛ nnwuma no benya ahobammɔ ne nea ɛbɛkɔ so atra hɔ daa. Adwinnade biako a ɛho hia wɔ saa adeyɛ yi mu ne sɛ wɔde nsu a wɔde yi nsu fi mu di dwuma. Saa screens yi di dwuma titiriw wɔ nsu a ɛtetew ne nwura a ɛyɛ den no mu, a wonim no sɛ tailings, resul .