LEAD ZINC EXTRACTION PROCESSES
the pyrometallurgical process, ore concentrate containing lead, zinc, or both is fed, in some cases after sintering, into a primary smelter. Lead concentrations can be 50 70%, and the sulfur content of sulfidic ores is in the range of 15 20%. Zinc concentration is in the range of 40 60%, with sulfur content in sulfidic ores in the range of 26 34%.
