![gold copper nickel ore processing Mobile Crushing Plant](/e69yszg/418.jpg)
gold copper nickel ore processing Mobile Crushing Plant
gold copper nickel ore processing Copper Ore Processing Methods. The four major steps in the production of marketable copper are mining, concentrating, smelting, and refining. In a few instances, however, leaching takes the place of concentrating, smelting, and refining. At present, although considerable leaching and directsmelting ores are ...