Abstract
The behaviour of lead compounds present in feed of beneficiation process has been discussed. Changeability of copper and lead content in feed during last decades has been described. Galena was pointed as a major source of lead and the beneficiation kinetic of this mineral was presented comparing with other sulphides, including copper sulphides. Significant amount of galena together with its very good concentrating properties crucially effect on quality of concentrates produced in Lubin concentrator plant.
Highlights
One of the most important issue of ore processing in Lubin concentrator plant is occurrence accompanied metals with crucial position of lead
The gradually increase of lead content in feed and consistently raised lead amounts in concentrates effects on achieved ore processing indexes, what was discussed in this paper
The lead content in ore During last years the increase of lead content with simultaneous decrease of copper amounts in feed is being observed at Lubin concentrator plant
Summary
One of the most important issue of ore processing in Lubin concentrator plant is occurrence accompanied metals with crucial position of lead. The gradually increase of lead content in feed and consistently raised lead amounts in concentrates effects on achieved ore processing indexes, what was discussed in this paper. The lead content in ore During last years the increase of lead content with simultaneous decrease of copper amounts in feed is being observed at Lubin concentrator plant. The changes in copper and lead contents observed during last years allow us to make a conclusion that feed to process realized in Lubin concentrator is copper-lead ore (the copper to lead ratio is 2:1). Getting higher lead contents effects negatively on concentrate grade at acceptable copper recovery values
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