beneficiating copper oxide ores prior to leaching in kazakhstan
Nov 01 2019 · The H 2 SO 4 leaching efficiency of oxidesulphide Cu ores rarely exceeds 75 mainly due to the difficulty of dissolving the sulphides in sulphuric acid at atmospheric pressure This means that the leach residues will contain sulphides that would trigger acid mine drainage AMD and a significant amount of recoverable metals...As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.