Outotec® Copper Chloride Leaching Process

Achieve sustainable and economical copper recovery from primary copper sulfides. Our copper chloride leaching process utilizes our highly effective atmospheric chloride leaching technology, including gold and silver recovery. We have coupled this with world-renowned VSF solvent extraction and electrowinning technology to make a process that is especially effective with low-grade and impure copper feed materials.

  • Provides combined copper, gold, and silver recovery from copper sulfides    
  • Produces copper as standard LME-A grade cathodes    
  • Includes atmospheric leaching technology without fine-grinding    
  • Lowers oxygen and lime(stone) consumption thanks to sulfide oxidation to elemental sulfur    
  • Functions more economically at lower capacities than traditional methods