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Advanced Oxidation Processes for Textile Wastewater Treatment

机译:纺织废水处理中的高级氧化工艺

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Advanced oxidation is one of the potential alternatives to decolorize and to reduce recalcitrant wastewater loads from textile dyeing and finishing effluents. This process implies generation and subsequent reaction of hydroxyl radicals, which are the most powerful oxidizing species after fluorine. Among AOPs, treatment with ozone (often combined with H_2O_2, UV, or both), an UV/H_2O_2 system, or Fenton and Photo-Fenton type processes have proven to yield very good results either for complete mineralization of reactive dyes or for their transformation into less complex structures that are more easily biodegradable. Particularly, we summarize recent researches in the AOP treatment using O_3 alone and or in combination with UV, US and H_2O_2 of textile wastewater for complete color and COD removal and decrease the toxicity of the treated wastewater for water.
机译:高级氧化是脱色和减少纺织品染色和后整理废水中难处理的废水负荷的潜在替代方法之一。这个过程意味着羟基自由基的产生和随后的反应,羟基自由基是仅次于氟的最强大的氧化物种。在AOP中,臭氧(通常与H_2O_2,UV或两者结合使用),UV / H_2O_2系统或Fenton和Photo-Fenton型工艺的处理已证明对于活性染料的完全矿化或它们的转化产生非常好的结果。分解成更简单,更易于生物降解的结构。特别是,我们总结了单独使用O_3和/或与纺织废水的UV,US和H_2O_2结合使用O_3进行AOP处理以完全去除颜色和COD并降低处理后废水对水的毒性的最新研究。

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