Leadzinc sulphide ore contains lead sulphide (galena), and zinc sulphide (sphalerite). In the first flotation stage, galena is rendered hydrophobic with an organic collector such as xanthate, while sphalerite is kept from floating by depressants, and in the second flotation stage, .
Mar 12, 2018 The function of promoters in flotation is to increase the floatability of .. Strong promoter for gold and silver, copper and zinc sulphide ores. Contact US 17 Flotation of Gold Ores MyCourses. The flotation method is a technique widely used for the recovery of gold from gold . Live Chat