The results showed that the inhibition of the above five phenolic compounds on nitrification were all noncompetitive,and inhibition constants KI was equal to EC50.

• 利用富集培养的硝化污泥研究了苯酚及其衍生物2,4-二氯苯酚、对氨基酚、邻甲基酚和对硝基酚对氨氮生物硝化过程的抑制特性。