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微波活化过硫酸钾深度处理印染废水

Keywords: 过硫酸钾,微波,印染废水,深度处理

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Abstract:

为了深度处理印染废水生化出水,使其达到工业回用要求,利用微波活化过硫酸钾产生具有强氧化性的硫酸根自由基·SO4-,降解印染废水生化出水中的有机污染物。考察了硫酸亚铁的投加量,过硫酸钾的浓度及pH的影响,并通过对比实验讨论了微波活化作用效果。结果表明,过硫酸钾微波组合能够有效地去除生化出水中的TOC和色度。对于某印染废水生化出水,处理效果在pH=10时最好,当过硫酸钾浓度为14g/L时,TOC去除率达57.60%,脱色率为98.28%。研究结果表明,过硫酸钾微波组合对于印染废水的深度处理效果良好,有较好的应用前景。

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