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首页> 外文期刊>Arabian journal of chemistry >Photo oxidative degradation of azure-B by sono-photo-Fenton and photo-Fenton reagents
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Photo oxidative degradation of azure-B by sono-photo-Fenton and photo-Fenton reagents

机译：声光芬顿试剂和光芬顿试剂对天青B的光氧化降解

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摘要

A model for the decomposition of azure-B by photo-Fenton reagent in the presence of ultrasound in homogeneous aqueous solution has been described. The photochemical decomposition rate of azure-B is markedly increased in the presence of ultrasound. It is a rather inexpensive-reagent for wastewater treatment. The effect of different variables like the concentration of ferric ion, concentration of dye, hydrogen peroxide, pH, light intensity etc. on the reaction rate has been observed. The progress of the sono-photochemical degradation was monitored spectrophotometri-cally. The optimum sono-photochemical degradation conditions were experimentally determined. The results showed that the dye was completely oxidized and degraded into CO2 and H2O. A suitable tentative mechanism for sono-photochemical bleaching of azure-B by sono-photo-Fenton's reaction has been proposed.
机译：已经描述了在均相水溶液中超声存在下通过光芬顿试剂分解天青B的模型。在存在超声波的情况下，天蓝色B的光化学分解速率显着提高。它是用于废水处理的相当便宜的试剂。已经观察到不同变量如铁离子浓度，染料浓度，过氧化氢，pH，光强度等对反应速率的影响。分光光度法监测声光化学降解的进程。通过实验确定了最佳的声光化学降解条件。结果表明该染料被完全氧化并降解为CO2和H2O。已经提出了通过声光-芬顿反应对天青-B进行声光化学漂白的合适的初步机理。

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