Colonno/Lombardy

Building of the main header of the waste water system for 30.000 inhabitant. This is a  activated sludge plant with diving membrane (MBR), with an ultra filtration membrane ZENON and a phosphate precipitation, denitrification and nitrification. The system is able to handle 1.200 mc/h of waste water.
The system includes a over 50 km pipe system, 5 pump stations and 5 km pipes under water.