Throughout the last few years the efficiency of the existing wastewater cleaning systems has been considerably improved. The sewage networks for industrial and household wastewater have been completely renovated and the rain and drainage sewage has been partially reconstructed. The local cleaning equipment has been renovated (oil and water separators, sedimentation tanks) and new ones have been constructed, which has prevented petroleum products from entering the wastewater that is discharged.
Aurubis Bulgaria AD. The construction activities of the project are implemented by a consortium called “Port Build Engineering”, which consists entirely of local companies (Polistroy 21, Oloplast, Reizh, Trans Build and Himgardsystem).
The efficient use of the water resources and the decrease in water consumption is another corporate aim in which there has been a substantial improvement in implementation. The total water consumption at Aurubis Bulgaria in 2017 decreased by 30 % compared to the consumption in 2003.
The specific metal water emissions (g/t) per ton of copper output have decreased by 97% since the year 2000.
commissioning of the rainwater treatment plant (2014).