Cowal Secondary Leach Train


Evolution Mining


Cowal, New South Wales




  • Improve recoveries by extracting from lower grade ore previously going to tails
  • Gain more return from existing mining, crushing and grinding investment
  • New leach circuit to treat flotation tails including new carbon handling and electrowinning facilities
  • Installation of new reagent mixing and distribution systems needed for the operation of the leach circuit, detoxification facilities and carbon handling facilities

Highlights and Achievements

  • Novel design of secondary leach train based on CPC experience
  • Significant size of brownfield facility demanded unique design

Benefits for Client

  • Facility designed to take increased input for future upgrades
  • Enabled the client to benefit from higher returns during period of elevated gold price