The results indicate that biological process was the major mechanism for HAA removal, and biodegradation rates of HAA decreased as the number of halogen atoms increased.

• 研究结果显示，生物作用为慢滤池中造成HAA浓度大幅下降之主要机制，且降解速率与含卤素多寡有关，含越多卤素者，降解速率越慢；