PRECIOUS METALS

KCA improves leach testing

Kappes, Cassiday & Associates (KCA) has developed the ‘lifterbottle’, a 3.5L wide-mouth HDPE bottle with lifters cast into the walls, for use in bottle roll leach tests

Staff reporter
In a bottle roll leach test crushed material is slurried with a leach solution and rolled on a jar-mill rolling table

In a bottle roll leach test crushed material is slurried with a leach solution and rolled on a jar-mill rolling table

KCA, which specialises in designing and evaluating cyanide leach projects, maintains a laboratory in Reno, Nevada, where it runs testing programmes for proposed and existing operations. One of the workhorse...

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