430 9.8 (Anaerobic rotating biological contactor, AnRBC) Rotating biological contactor, RBC Rana , 9.11 Cortez , Hiras , 2004; Vlaeminck , Dutta , Rana , Tawfik , 2002; Kulikowska , 2010; Najafpour , 2006) 9.11 Yeh , 1997)