Choose a highly cost-effective and efficient zinc concentrate direct leaching solution. Outotec's zinc direct leaching process enables efficient zinc and by-product recovery from a wide range of primary zinc sulfides. Direct leaching requires no investment in a roaster or acid plant, so it is especially suitable for smaller plants and plant expansions.
- Recovers zinc as SHG ingots and by-products such as Cu, Cd, Co, Ni, In, Ga, and Ge
- Adapts to different feed qualities and by-product recovery demands
- Scales to a wide range of production capacities
- Enables efficient oxidation at low cost with specially designed reactors for atmospheric leaching
- Boasts a low CAPEX as no roaster or acid plant is needed
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