The Mining Process Waihi Gold
This process removes 93% of the gold and 70% of the silver. The wash solutionpregnant electrolyteis passed through electrowinning cells where gold and silver is won onto stainless steel cathodes. See more detail on elution and electrowinning. 7. Bullion production The loaded cathodes are rinsed to yield a gold and silver bearing sludge which is dried, mixed with fluxes and put into