ETAR do Choupal, Coimbra
Trickeling Filters, Sludge AD and Energy production | 213.350 P.E.
ETAR de Parada, Maia
Activated Sludge, Sludge AD, Sludge Composting, Energy production | 250.000 P.E.
ETAR da UNICER, Porto
UASB reactor + aerobic UNITANK, sludge dewatering