Flotation machine is mainly used for separating copper, zinc, lead, nickel, gold and other non-ferrous metals, sand washing machine south africa which can also be used for the rough and fine separation of ferrous metals and non-metallic metals. Flotation process is suitable for treatment of fine and ultra fine grain material. With the other processing methods, it is difficult for the recovery of fine mineral particles smaller than 10μm, it can also be treated with flotation method.