The questions about the effect of pH and free ammonia on shortcut nitrification and nitrite-oxidizing bacteria adept to the free ammonia are also being discussed.

• 同时,考察了不同HRT下高效反应器的处理效果,并探讨了不同pH对短程硝化效果的影响以及亚硝酸盐菌对游离氨浓度的适应性等问题。