Enhancing simultaneous nitrification and denitrification (SND) and repulsing nitrite-loop in an energy-efficient bioreactor with airlift transverse internal-loop along cross section - Lifang Yu; Ran Liu; Bufeng Dai; Yexing Liu; Wenlin Xia; Xin Tian; Dangcong Peng (Journal of Water Process Engineering, 2024)