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首页> 外文期刊>Arabian Journal for Science and Engineering >Sono‑electro‑chemical Treatment of Reactive Black 5 Dye and Real Textile Effluent Using MnSO_4/Na_2S_2O_8 Electrolytes
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Sono‑electro‑chemical Treatment of Reactive Black 5 Dye and Real Textile Effluent Using MnSO_4/Na_2S_2O_8 Electrolytes

机译：MnSO_4 / Na_2S_2O_8电解质对活性黑5染料和真纺织品废水进行声电化学处理

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摘要

This study examines the decolourization of Reactive Black 5 (RB5) dye in aqueous solution and textile wastewater treatment by sono-electro-chemical method to obtain synergistic effect. The electrolytic cell equipped with stainless steel anode and graphite cathode was used for this study. Sodium persulphate (NaS) and manganese sulphate (MnS) are used as electrolytes to facilitate the process. The effects of various operational parameters such as initial solution pH, NaS concentration, MnS concentration, ultrasound power and voltage on the sono-electro-chemical treatment were investigated. The results have demonstrated that the enhanced colour removal efficiency was achieved at pH 2 for electro-chemical process; however, better efficiency was reached by synergistic effect of sono-electro-chemical treatment in the presence of less amount of electrolytes with the short reaction time than the individual sono-chemical and electro-chemical process. The maximum decolourization achieved was 89% under the condition: 100 ppm RB5, 50 ppm NaS, 75 ppm MnS, solution pH and 44 W ultrasound power, 20 V. When the similar methodology was adopted to real textile effluent, 90% of TOC removal was observed and it indicates the employment of studied process for industrial wastewater treatment purposes.
机译：本研究考察了活性黑5（RB5）染料在水溶液中的脱色和声电化学方法对纺织废水的处理，以达到协同作用。本研究使用了配备有不锈钢阳极和石墨阴极的电解池。过硫酸钠（NaS）和硫酸锰（MnS）用作电解质以促进该过程。研究了各种操作参数，如初始溶液的pH，NaS浓度，MnS浓度，超声功率和电压对声电化学处理的影响。结果表明，在电化学工艺中，在pH 2下可获得更高的脱色效率。但是，在存在较少量电解质且反应时间比单独的声化学和电化学过程短的情况下，通过声电化学处理的协同作用可以达到更高的效率。在以下条件下实现的最大脱色率为89％：100 ppm RB5、50 ppm NaS，75 ppm MnS，溶液pH和44 W超声功率，20V。当对实际纺织品废水采用类似方法时，去除90％的TOC观察到的结果表明该研究方法可用于工业废水处理。

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