spiral gravity separator for mineral beneficiation
. beneficiation of platinum group metals (PGMs) flotation tailings was carried out by means of spiral classifiers and a gravity separator (Knelson Concentrator KC CVD. 6 unit). The economic mineral reserves for PGMs are found in the. A Review of Spiral Technology for Fine Gravity Beneficiation. Increased spiral unit capacities to 7.0 t/h per start.