Wastewater treatment plant for silver and gold mine

The Palmarejo Mine is based in the Sierra Madre Occidental Mountains of northwestern Mexico and is owned by Coeur D’Alene Mines, Idaho USA. The owners want to improve internal water balance so that water can be recycled from the tailings pond back to the mill.

The treatment plant will include two trains of Crown Solution’s ACTIFLO clarifier and Hydrotech Discfilters. The process also includes chemical feed systems and mixing/reaction tanks. The treatment solution is designed to get rid of residual cyanide and remove total suspended solids and metals and filter the water that is recycled back to the mill.

The Palmarejo Mine will also use the services of Veolia Water Solutions & Technologies Mexico for operational support. The new WTP is scheduled to be commissioned in mid-2011.