Multi-Mineral Froth Flotation Machine for Ore Beneficiation One machine, many ores. This multi-mineral froth flotation machine is built for polymetallic and mixed-mineral beneficiation, where the same plant has to separate several valuable minerals from a single feed. Cell volume and configuration can be matched to each duty in the circuit. Polymetallic oresSeparation of copper, lead, zinc and associated minerals. Gold and silverRecovery of precious-metal carriers from mixed