SOCIOECONOMIC ANALYSIS process chemicals and air areinjected to make different minerals float. Sodium dichromate is used to depress lead when treating the ore containing both copper and lead. There is no sodium dichromate left in products that the concentrators sell downstream to .
copper concentrates, scrap and recycling raw materials which are processed further into copper products. Hence, our aim is to ensure the income from TC/RC's for smelting/refining and to earn the copper cathode premium as well as the surcharges for the sale of our products We need to hedge against negative copper price fluctuations in order to