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This article is going to continue talking about the leaching of copper ore methods.
Amine separation process. With organic amine as collectors, amine flotation technology of copper leaching is suitable for copper ore like malachite and azurite. In copper leaching plant, the main amine collectors are cocoanut oil amine and lauryl amine; the relatively effective inhibitors include sodium alginate, lingosulfonate, polyacrylic acid and fiber lignin sulfonate.
Chelating agent copper leaching process. With chelating agent or neutral oil as collectors, this chelating agent copper separation process is fit for the unmanageable copper oxide ores like chrysocolia. The commonly used chelating collectors are imidazole, with advantages of strong collecting capacity and good selectivity. However, it is relatively expensive, so economic factors should be carefully considered.
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