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铁炭微电解-Fe2+/K2S2O8降解甲基橙

Keywords: 过硫酸盐,铁炭微电解,Fe2+,甲基橙,COD去除率,色度去除率

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Abstract:

针对偶氮类有机物废水具有色度大,难降解的特点,以对二甲基氨基偶氮苯磺酸钠(甲基橙)为模拟研究对象,对水体系中铁炭微电解-Fe2+/K2S2O8降解甲基橙的方法进行了研究。通过正交实验确定出该方法各因素的影响程度,进一步通过单因素影响实验确定该方法的最佳条件是:铁炭微电解填料、FeSO4和K2S2O8投加量分别为300g/L、1.3mmol/L和0.7mmol/L,初始pH值为7.0。在最佳条件下,甲基橙COD和色度去除率分别能达到64.7%和68.2%。

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