Abstract

Perovskite oxides SrFe0.5Co0.5O3-δsample was synthesized by citrate method. The structures and morphology of materials were analyzed by XRD and SEM respectively. The powder sintered at 850°C was used as photocatalyst for degrading the methyl orange solution under a high pressure mercury 400W lamp. Some effects on the photocatalytic degradation of methyl orange, such as the irradiation time, catalyst dose, initial concentration, pH value and H2O2were investigated in the process. The results showed the photocatalytic degradation efficiency of Methyl orange was up to 94.55% in 100 mL10 mg/L methyl orange solution containing 0.2 g catalyst for irradiation time of 120 min

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