Panta Rei s.r.l. | Via Cavour 17 | 30032 Fiesso d'Artico (VE) | Italy | Tel +39 049 7968832 info@pantareiwater.com | www.pantareiwater.com Brief review on: Filamentous foaming and bulking in activated sludge treatments: causes and mitigation actions B.M. D’Antoni, F. Iracà , M. Romero June 2017