The mechanism of biological phosphours removal was confirmed by DNP inhibition experiment,and it was also found that the phosphours removal in the SBR of submerged biofilm process was completed by metabolism of microorganism.

• 通过 2 ,4 二硝基苯酚的抑制实验 ,证实了生物除磷机理的观点 ,亦即 ,生物膜序批式反应器中磷的去除是由微生物的新陈代谢完成的