Slag a wɔyɛ no yɛ anammɔn titiriw wɔ nnwuma ahorow mu, te sɛ nea wotu fam, ne nneɛma a wɔsan de di dwuma, baabi a ɛsɛ sɛ wɔtew efĩ fi nneɛma a wɔpɛ no ho. Nea ɛbɛyɛ na wɔanya mpaapaemu a etu mpɔn na etu mpɔn no, magnetic separators a ɛtra hɔ daa a wɔde di dwuma no agye din kɛse. Saa mpaapaemu a ɛkɔ anim yi .

JIG mfiri ahorow abɛyɛ nnwuma ahorow no fã titiriw, na ɛsakra ɔkwan a wɔfa so tetew nneɛma ahorow mu yiye na etu mpɔn no. Wɔ saa asɛm yi mu no, yɛbɛhwehwɛ jig mfiri wiase no mu yiye, ahwehwɛ wɔn dwumadi, dwumadie, mfasoɔ, ne nneɛma a ɛbɛma yɛahyia .

Nneɛma atitiriw a ɛwɔ slag a efi afie mu nwura a wɔhyew mu ba no bi ne slag, glass, ceramics, abo, ne nea ɛkeka ho, a emu dodow no ara te sɛ anhwea a ɛyɛ fitaa a ɛyɛ abon ne nea ɛyɛ hare. Ɛwom sɛ slag yɛ nwura a ɛyɛ den de, nanso ɛyɛ ade a wotumi yɛ foforo a ɛboa nkɔso na ɛhyɛ ho nkuran denneennen, sɛ d .