1.
Rahoman MA, Tianyu C, Tong Z. Study on Sludge Characteristics and Nitrogen Removal Mechanism of Hybrid Partial Nitrification Anammox Reactor (HPNA). ASRJETS-Journal. 2017;29(1):80-115. Accessed September 26, 2025. https://asrjetsjournal.org/American_Scientific_Journal/article/view/2638