If the wastewater concentration was too high, it would stimulate fungus, aminate bacteria, denitrifying bacteria and some anaerobic bacteria to propagate.

污水浓度过大，会刺激土菌、氨化细菌、反硝化细菌及些厌气性菌的繁殖。

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.

生物除利用的是将自营性硝酸菌、亚硝酸菌之硝化作用与异营性脱硝菌之脱硝作用结合。