Nnianim Nsɛm a wɔde bɔ nneɛma a wɔde di dwuma no yɛ ade titiriw wɔ nnwuma te sɛ nneɛma a wotu, adansi, ne nneɛma a wɔsan de di dwuma bio no dwumadi mu. Tumi a wɔde bubu nneɛma akɛse a wɔde yɛ nneɛma a wɔde yɛ nneɛma nketenkete no mu nketenkete a wotumi di ho dwuma no ho hia ma adeyɛ a ɛwɔ ase ne sɛnea ɛyɛ adwuma yiye wɔ ne nyinaa mu. Nteaseɛ a ɛfa sɛdeɛ crushing eq .

NKYERƐKYERƐMUNsɛm a ɛfa magnetic separator a ɛkɔ soro no aba sɛ mfiridwuma ho nimdeɛ titiriw wɔ magnetic mpaapaemu mu, a ɛde mfaso kɛse ba wɔ atetesɛm akwan so. Saa nnwinnade yi di dwuma titiriw wɔ nnwuma ahorow a ɛfa ferromagnetic nneɛma a wɔtetew mu fi nea ɛnyɛ magnetic ho .

Nnianim Nsɛm Wɔ mfiridwuma tebea a ɛrekɔ so ntɛmntɛm no mu no, nneɛma a wɔde di dwuma yiye ne nea wɔde yɛ adwuma no a wɔde di dwuma yiye no di dwuma titiriw wɔ nneɛma a wɔyɛ no yiye ne nea wɔhwɛ hu sɛ nneɛma a wɔyɛ no ho tew mu. Wɔ saa nnwinnade a ɛho hia yi mu no, electromagnetic overband magnetic separator no da nsow sɛnea ɛte wɔ .