The active sludge from a pesticide plant adapted to 2,4-dichlorophenol andgained the 2,4-dichlorophenol degrading ability after three months acclimation.

• 用60mg/L2,4-二氯酚对从杭州农药厂污水处理爆气池取样活性污泥进行驯化，经过15轮共一个月的驯化后，该活性污泥具有对2,4-二氯酚的抗性，经沉淀后上层液体澄清，且获得了降解2,4-二氯酚的能力。