refining nickel leaching icas2017conference
Electrolytic Refining Mineral Processing amp; Metallurgy. Basis of Electrolytic Refining Methods. The anodes used in refining base metals nickel, copper, leadby electrolysis usually contain gold, silver, platinum, palladium, etc., as well as selenium and tellurium in some amount. Some of the worlds copper is produced by leaching and electrolysis.