The result shows that by treating with 800? mg/L potassium ferrate for 15 minutes,the content of DDVP can be decreased from 80? mg/L to lower 0.05?

• 在20~80 mg/L敌敌畏水溶液中加入800 mg/L K2FeO4处理15 min可使敌敌畏质量浓度降低到0.；05 mg/L以下。