W.T.E.  designed, engineered and delivered the system for collection and separation of rain water system to be installed on the waste to energy  plant  SILLA II, owned by AMSA SpA in Milano.

The new design considered a passive system for separation of first rain water to be collected in a dedicated tank. The new system allowed the operators to control and regulate inflow and outflow  of rain water by means DCS in compliance with rules concerning the waste water treatment.