Flotation of Gold and GoldBearing Ores ScienceDirect
The three flotation plants that are currently in operation are to be found at the Vaal Reefs (now Vaal River) Gold Mine and at the Chemwes and Ergo residue retreatment operations. Copper sulfate is used at two plants (Vaal Reefs and Chemwes), while single collectors are added at the Vaal Reefs Mine (Aeropromoter 407) and Chemwes operation (SIBX).