Short rod bacteria and spirillum were dominant in the denitrifying reactor.While cocci were the dominant bacteria in the nitrifying reactor.

于脱槽以短杆和弯曲杆为，而于化槽以球为主要的。

The most common method of biological nitrogen removal is by combining the nitrification of the autotrophic nitrobacter and nitrosomonas with the denitrification of heterotrophic denitrifying bacteria.

生物除氮最常利用的将自营性酸、亚酸之化作用与异营性脱之脱作用结合。