Rongchang WANG 1, 2 ;Xinmin ZHAN 1 ;Yalei ZHANG 2 ;Jianfu ZHAO 2 ; Nitrifying population dynamics in a redox stratified membrane biofilm reactor (RSMBR) for treating ammonium-rich wastewater Rongchang WANG 1, 2 ;Xinmin ZHAN 1 ;Yalei ZHANG 2 ;Jianfu ZHAO 2 ; 1. Department of Civil Engineering, National University of Ireland, Galway, Ireland ; 2. State Key Laboratory of Pollution Control and Resource Reuse, Key Laboratory of Yangtze Aquatic Environment, Ministry of Education of China, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China ; Fig.1 Schematic of the RSMBR system Frontiers of Environmental Science & Engineering in China,2011,5(1),48-56. Doi:10.1007/s11783-011-0305-7