... all roughing, cleaning and scavenging duties, which can be used to separate nonferrous metal, ferrous metal, noble metal, nonmetallic mine ... out by the impeller, and then goes to the whole trough. When the froth rises to the stable level, after the enrichment ... becomes residue. SF Flotation MachineSF Flotation Machine can be used to separate nonferrous metal, ferrous metal, noble metal, nonmetallic mine ...