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 5070%, and the sulfur content of sulfidic ores is in the range of 1520%. Zinc concentration is in the range of 4060%, with sulfur content in sulfidic ores in the range of 2634%. Ores with a mixture of lead and zinc ...