A review of several important factors influencing the Anammox process
HAN Xue-ke1, WANG Zheng-rong1, PENG Yong-zhen1, HAN Hong-gui2
1. National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, Engineering Research Center of Beijing, Beijing University of Technology, Beijing 100124, China; 2. Faculty of Information Technology, Beijing University of Technology, Beijing 100124, China
Abstract:Anaerobic ammonium oxidation (Anammox) technology is the most promising biological nitrogen removal process today. Under anaerobic conditions, Anammox bacteria directly oxidize ammonia nitrogen to nitrogen with nitrite as the electron acceptor, which has the advantages of no aeration, no need for organic carbon sources, and less excess sludge production. However, anaerobic ammonia oxidizing bacteria have strict requirements for their growth environment and numerous influencing factors, which has become the biggest bottleneck for large-scale engineering applications. This article reviewed the effects of five main influencing factors (substrate concentration, organic matter, dissolved oxygen, temperature, pH) on anammox, and discusses how to maximize the use of anammox technology based on different reactor types and bacteria species, in order to provide reference for the application of anaerobic ammonia oxidation in mainstream sewage treatment.
韩雪恪, 王峥嵘, 彭永臻, 韩红桂. 几种重要因素对厌氧氨氧化过程的影响综述[J]. 中国环境科学, 2023, 43(5): 2220-2227.
HAN Xue-ke, WANG Zheng-rong, PENG Yong-zhen, HAN Hong-gui. A review of several important factors influencing the Anammox process. CHINA ENVIRONMENTAL SCIENCECE, 2023, 43(5): 2220-2227.
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