National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology;
Engineering Research Center of Beijing;
Beijing University of Technology;
Beijing 100124;
China;
Xinkai Water Environmental Investment Co.Ltd.;
Beijing 101101;
China;
Zhongshan Public Utilities Water Co.Ltd.;
Zhongshan 528400;
China;
Complete ammonia oxidizing(comammox); bacteria; Nitrogen cycle; Physiological characteristics; Wastewater treatment;