By the experiment, the best reaction conditions were suggested: iron powder added 140 g/L, H 2O 2 added 21.5 g/L, FeSO 4 added 3.8 g/L,(aeration time 7 h), oxidation time 4 h and pH 5.0.

• 小试确定了 Fe粉加入量为 14 0 g/ L、曝气时间为 7h、Fenton法预处理 D- HPG废水的最佳反应条件 :H2 O2 质量浓度为 2 1.；5 g/ L；Fe SO4 质量浓度为 3