•It consists of the improvement of the Pre-treatment of the current reverse osmosis plant that supplies the Minera Caserones Hydrometallurgy Zone, due to the change in the quality of raw water entering the system.

•With the above, it is possible to treat with the same treatment plant, raw water of 3500 mg / L TSD, compared to the 1400 mg / L that is designed, maintaining the current equipment.