2007•Acta ArmamentariiRequires access

Treatment of Wastewater of Recovery RDX by Fenton and Photo-Fenton Process

Wenguo Xu

Abstract

Fenton process and photo-Fenton process were employed to treat the wastewater formed during the recovery of RDX.The effects of Fe2SO4 dosage,H2O2 dosage,pH,reaction time and temperature on removal efficiency of chemical oxygen demand(COD) the wastewater were investigated.The results show that the optimum FeSO4 dosage and pH value are 700 mg/L and 2.5,respectively,and that the COD removal efficiency of the wastewater increases with the rise of H2O2 dosage but decreases with the rise of temperature.Under the conditions with H2O2 dosage of 100 mg/L and the reaction temperature of 15 ℃,the best removal efficiency of COD is obtained at 82.07%.In the photo-Fenton process,FeSO4 dosage could be reduced sharply to 50 mg/L.

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Key concepts: Wastewater, Chemical oxygen demand, Chemistry, Pulp and paper industry, Sewage treatment, Environmental engineering, Environmental science, Engineering