purification of copper by electrolysis metal extraction reduction of .The extraction of copper from copper ores & purification by electrolysis. Doc Brown's . Mining of Minerals and Methods of Extracting of Metals. How do we.coopper ore processing from minning to fuel purification,zinc processing | BritannicaJul 26, 1999 . Zinc processing, preparation of the ore for use in various products. . Brass, an alloy of copper and zinc, was produced by the Romans as . and several hundred retorts were banked together and fired by gas. . Mining and concentrating . zinc sulfate solution, and (3) electrolysis of the purified solution.
coopper ore processing from minning to fuel purification