. . . . . "By-products, such as iron, sulphate, copper, silver, zinc and other precious metals like dissolved gold, platinum and palladium, if collected efficiently could be re-used for industrial purposes.Benefits of the process:Removal of toxic pollutants in the wastewaterTreated water able to be re-used in the systemEconomically feasibleHigh recovery rate of precious metalsThe company is also developing n" . .