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Lead anode mud generally contains less gold and does not contain platinum group metals, but contains high lead. Nickel anode mud is mainly platinum group metal except for a small amount of gold and silver. It can effectively capture gold and silver. In production, lead anode mud or nickel anode mud is usually mixed and smelted together with copper cation to recover valuable metals.
Recovery of gold and silver from copper anode mud
Cu, Pb, Ni electrolytic anode mud metallurgical fire is basically the same, because the most complex component of the copper anode slime, the longest production process employed. Which process is roughly divided into: copper removal off selenium, lead smelting reduction expensive to produce, expensive to produce lead oxide refining of gold-silver alloy, silver silver electrolytic refining separation, and electrolytic refining gold and platinum group metals recovery and the like.