Sulfuric acid concentrate
If the mineral input feed contains zinc sulfide ore, it is processed in the flotation unit of Kaniparvaran Company, and the zinc sulfide is enriched and separated from the zinc oxide ore. Zinc sulfide concentrate is produced at an average grade of 55%. This by-product enters the ingot production circuit using modern methods, also the zinc sulfide concentrate is sold in domestic and foreign markets due to the low level of interfering elements.