Installed equipment in ore mines in Jeseniky are used for disposal of old ecological burdens in the extraction of minerals. In this area are acidic mine water and neutralized first modified and then drain the filter presses. Treated waste water after meeting all the parameters that are determined by legislative requirements, are discharged into surface streams. Dewatering filter cake is weighed at the designated landfill. Maximum power of this device is 380 m³/day.