In this study, it was used as an alternate oxidant to substitute chlorine.And the mechanisms of organic removal by potassium permanganate (KMnO4) were discussed.

• 为了减少消毒副产物的生成与后续处理单元的负荷，必须使用另一氧化剂来替代前加氯程序，在此选用高锰酸钾作为前氧化剂。