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Enhanced photocatalytic oxidation of reactive dye using manganese catalyst complex

In this work, the treatment efficiency of advanced oxidation processes
 H2O2/UV enhanced by the addition of a manganese catalyst complex (MnTACN)
 was investigated on a model dye solution and a real dye-house effluent. The
 experimental results were evaluated in terms of absorbance (A) and total
 organic carbon (TOC) reduction. The major degradation products of the model
 dye solution were identified by high resolution gas chromatography/mass
 spectrometry analyses. In addition, the toxicity of the final reaction
 solution after H2O2/UV/MnTACN treatment to Vibrio fischeri bacteria was
 determined. The results showed that the addition of the H2O2/UV/MnTACN
 system at in different concentrations of the catalyst solution increased
 enhance the decolourization rate compared to H2O2/UV for both the model dye
 solution and real dye-house effluent.